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Location: London, United Kingdom; Remote - Europe About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We’re looking for a Senior Hypervisor Engineer to contribute to the development of our hyperscaler platform. The Hypervisor team supports and develops the parts of the Cloud platform that directly affect the KVM hypervisor and QEMU device emulator. We understand the granular details of hardware virtualization and device emulation, paying close attention to performance and protection against untrusted code. You will work on substantial extensions for the QEMU/KVM virtualization stack in close cooperation with the opensource community. I n this position, your responsibility will be to : Optimize I/O for emulated disk and network devices Integrate the hypervisor with other platform services and storage facilities for user data Efficiently distribute resources between virtual machines Improve guest system support Advance the cutting-edge of open source virtualization Provide low-level security for the hypervisor and emulator Provide general support, fix bugs, and monitor the upstream Collaborate with other team members and stakeholders We expect you to have : 5+ years of professional software engineering experience Fluent in C programming language 3+years of experience with Linux At least 3 years of engineering experience with QEMU/KVM General understanding of x86-compatible systems (virtual memory, interrupts, privilege rings) Experience writing general system code in user mode for Linux, including debugging, analysis, and optimization tools (the emulator is built on the user mode system process for Linux) It would be an added bonus if you had : Aсcepted patches in Linux Kernel or QEMU/KVM Experience working with Linux kernel Some experience with ARMv8, including virtualization extensions Understanding of PCI, SCSI, and ACPI Experience working with the Linux kernel Excellent communication skills for cross-team collaboration Strong work ethic We conduct coding interviews as part of the process. Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and ownership Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Location: Amsterdam, Netherlands; Remote - Europe About Nebius: Nebius is leading a new era in cloud infrastructure for the global AI economy. We are building a full-stack AI cloud platform that supports developers and enterprises from data and model training through to production deployment, without the cost and complexity of building large in-house AI/ML infrastructure. Built by engineers, for engineers. From large-scale GPU orchestration to inference optimization, we own the hard problems across compute, storage, networking and applied AI. Listed on Nasdaq (NBIS) and headquartered in Amsterdam, we have a global footprint with R&D hubs across Europe, the UK, North America and Israel. Our team of 1,500+ includes hundreds of engineers with deep expertise across hardware, software and AI R&D. The role We’re looking for a Senior Hypervisor Engineer to contribute to the development of our hyperscaler platform. The Hypervisor team supports and develops the parts of the Cloud platform that directly affect the KVM hypervisor and QEMU device emulator. We understand the granular details of hardware virtualization and device emulation, paying close attention to performance and protection against untrusted code. You will work on substantial extensions for the QEMU/KVM virtualization stack in close cooperation with the opensource community. I n this position, your responsibility will be to : Optimize I/O for emulated disk and network devices Integrate the hypervisor with other platform services and storage facilities for user data Efficiently distribute resources between virtual machines Improve guest system support Advance the cutting-edge of open source virtualization Provide low-level security for the hypervisor and emulator Provide general support, fix bugs, and monitor the upstream Collaborate with other team members and stakeholders We expect you to have : 5+ years of professional software engineering experience Fluent in C programming language 3+years of experience with Linux At least 3 years of engineering experience with QEMU/KVM General understanding of x86-compatible systems (virtual memory, interrupts, privilege rings) Experience writing general system code in user mode for Linux, including debugging, analysis, and optimization tools (the emulator is built on the user mode system process for Linux) It would be an added bonus if you had : Aсcepted patches in Linux Kernel or QEMU/KVM Experience working with Linux kernel Some experience with ARMv8, including virtualization extensions Understanding of PCI, SCSI, and ACPI Experience working with the Linux kernel Excellent communication skills for cross-team collaboration Strong work ethic We conduct coding interviews as part of the process. #LI-JS1 Benefits & Perks: Competitive compensation Career growth and learning opportunities Flexibility and ownership Collaborative and innovative culture Opportunity to work on impactful AI projects International environment and talented teams What's it like to work at Nebius: Fast moving - Bold thinking - Constant growth - Meaningful impact - Trust and real ownership - Opportunity to shape the future of AI Equal Opportunity Statement: Nebius is an equal opportunity employer. We are committed to fostering an inclusive and diverse workplace and to providing equal employment opportunities in all aspects of employment. We do not discriminate on the basis of race, color, religion, sex (including pregnancy), national origin, ancestry, age, disability, genetic information, marital status, veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by applicable law. Applicants must be authorized to work in the country in which they apply and will be required to provide proof of employment eligibility as a condition of hire. If you need accommodations during the application process, please let us know.

Location: Afton, Texas Who We Are: Galaxy Digital Inc. (Nasdaq: GLXY) is a global leader in digital assets and data center infrastructure, growing the economy that runs on code. Galaxy delivers the onchain infrastructure that connects institutions to digital assets, including trading, advisory, asset management, staking, self-custody, and tokenization. Galaxy also develops and operates data center infrastructure to power AI and HPC workloads. Anchored by its Helios campus in Texas, Galaxy is building a multi-gigawatt pipeline of more than 5.7 GW of potential capacity, positioning it among the largest and fastest-growing data center developers in North America. The Company is headquartered in New York City, with offices across North America, Europe, the Middle East, and Asia. Additional information about Galaxy's businesses and products is available on www.galaxy.com . What We Value: We are a diverse team of free thinkers, and fast movers united to help investors and creators energize the global economy. We are looking for individuals who thrive in a culture of builders and overachievers and embrace high performance, transparent feedback, and a mission-first approach. Our culture shapes our way of working and gets us where we want to be. Seek Excellence. Be Selective To Be Effective. Be Highly Aligned, Loosely Coupled. Disagree Transparently. Encourage Independent Decision-Making. Build Dream Teams. Who You Are: You are a hands-on technical professional who enjoys working directly with enterprise infrastructure and helping colleagues solve IT problems. At Galaxy’s Tier 4 AI data center in Afton, Texas, you will work closely with Site Reliability Engineering and Network Engineering to deploy and maintain high-density GPU compute and high-performance networking infrastructure. You are comfortable troubleshooting servers, physical connectivity, Windows and macOS endpoints, and day-to-day employee technology issues. You follow documented procedures, communicate clearly, and are eager to grow your networking, systems administration, and infrastructure engineering skills. What You'll Do: Site Reliability Engineer (SRE) works to execute infrastructure deployments, maintain server and network hardware, troubleshoot physical connectivity, and support data center reliability. It also serves as an on-site IT support resource for Windows and macOS devices, endpoint management, account administration, and general technical troubleshooting . Key Responsibilities: Network Cabling & Connectivity Install, label, route, and maintain copper and fiber optic cabling. Troubleshoot physical connectivity involving cables, transceivers, patch panels, and switch ports. Perform basic copper and fiber connectivity testing using appropriate tools. Assist Network Engineering with physical-layer troubleshooting, equipment installation, and connectivity changes. Document cabling issues, port assignments, equipment connections, and rack elevations. Escalate complex network issues with clear troubleshooting findings. Onsite IT & End-User Support Provide Tier 1 and basic Tier 2 support for hardware, software, operating systems, account access, and connectivity. Provision, configure, deploy, troubleshoot, and maintain Windows and macOS laptops, desktops, and endpoint devices. Assist with device enrollment, configuration, application deployment, and compliance through MDM platforms such as Microsoft Intune. Support user accounts, password resets, access troubleshooting, and basic group management in Active Directory and Microsoft Entra ID. Troubleshoot Microsoft 365 applications, including Outlook and Teams. Support onboarding and offboarding, including device preparation, access, and equipment recovery. Install and troubleshoot printers, peripherals, conference room equipment, and on-site technology. Maintain device assignments, asset inventory, and endpoint lifecycle records. Track, document, and resolve IT support requests through the ticketing system. Infrastructure Reliability & Operational Support Respond to infrastructure alerts, hardware failures, and onsite incidents under SRE and Network Engineering direction. Perform routine equipment inspections and basic infrastructure health checks. Assist incident investigations by gathering information and performing on-site diagnostics. Follow change management, maintenance windows, and documented SOPs/MOPs. Document completed work, troubleshooting, and infrastructure changes. Collaborate with engineering teams and vendors to resolve technical issues. Participate in scheduled maintenance, including occasional after-hours work. What We’re Looking For: 1–3 years of experience in data center infrastructure, IT support, desktop support, or a related technical role. Hands-on experience installing, cabling, maintaining, or troubleshooting physical servers, switches, or enterprise IT equipment. Familiarity with racks, structured cabling, fiber optics, and basic data center hardware maintenance. Experience supporting and troubleshooting Windows and macOS. Familiarity with endpoint management or MDM solutions, preferably Microsoft Intune. Basic experience with Active Directory and/or Entra ID user account and access management. Understanding of IP addressing, Ethernet, DNS, DHCP, and basic connectivity troubleshooting. Experience troubleshooting end-user hardware, software, and peripherals. Familiarity with IT ticketing, technical documentation, and inventory management. Ability to follow technical instructions and engineering direction accurately. Strong communication, organization, collaboration, and problem-solving skills. Bonus Points: Experience in enterprise and/ or colocation data centers. Familiarity with enterprise server platforms. Exposure to networking equipment. Experience with fiber optics, transceivers, and/ or high-speed links. Experience with Intune enrollment, configuration profiles, compliance policies, and/ or application deployment. Experience with Microsoft 365 administration and/ or endpoint security tools. Basic familiarity with Hypervisor virtualization, VM management, and self hosted enterprise storage. Exposure to cable certification, fiber testing, and/ or network diagnostic tools. Familiarity with infrastructure monitoring, asset management, and/ or documentation platforms. Basic PowerShell, Bash, or Python scripting experience. Experience with employee onboarding, device lifecycle, and/ or IT asset tracking. Familiarity with IT change management and incident response. OSHA 10-Hour or OSHA 30-Hour Outreach Training completion (construction or general industry); current training card preferred. What We Offer: Competitive base salary and discretionary bonus Paid Time Off Company-paid health and protective benefits for employees, partners, and other dependents Company Paid Holidays (14) 3% 401(k) company contribution Generous paid Parental Leave Free virtual coaching and counseling sessions through Headspace Opportunities to learn about the Crypto industry Free daily snacks and daily meals Smart, entrepreneurial, and fun colleagues Employee Resource Groups Benefits may vary depending on location. Apply now and join us on our mission to engineer a new economic paradigm. Galaxy respects diversity and seeks to provide equal employment opportunities to all employees and job applicants for employment without regard to actual or perceived age, race, color, creed, religion, sex or gender (including pregnancy, childbirth, lactation and related medical conditions), gender identity or gender expression (including transgender status), sexual orientation, marital or partnership or caregiver status, ancestry, national origin, citizenship status, disability, military or veteran status, protected medical condition as defined by applicable state or local law, genetic information or predisposing genetic characteristic, or other characteristic protected by applicable federal, state, or local laws and ordinances. We will endeavor to make a reasonable accommodation to the known limitations of a qualified applicant with a disability unless the accommodation would impose an undue hardship on the operation of our business. If you believe you require such assistance to complete the application process or to participate in an interview, please contact careers@galaxy.com.

Location: San Francisco; New York Workplace: Hybrid ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F https://www.baseten.co/blog/announcing-our-series-f/, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE Every agent on Baseten Sandboxes runs in its own microVM. Agents call models, reach tools and APIs, expose services, and more and more often talk to each other. Networking built into today's cloud providers was not designed for very large numbers of isolated machines that suspend, resume, and exchange data constantly. The Agent Infra team builds its own networking stack for sandboxes, designed from the start for that scale. It runs in user space, with VPP (FD.io http://FD.io) as its main data plane technology, and is built from virtualized network functions (VNF/NFV): carrier-grade, low-latency packet processing designed for very large numbers of agents. In September 2026, Baseten acquired Blaxel https://www.baseten.co/blog/blaxel-is-joining-baseten-to-build-the-future-of-agentic-cloud/, whose sandboxes, storage, and networking are the foundation for Baseten Sandboxes https://docs.baseten.co/sandboxes. You'll build multi-tenant virtual private networking that connects each customer's agents and services privately and securely, using modern overlay technologies. We are building a cloud, not just using one. We want engineers who expose the network as a programmable API and write the code, not operators who push router and switch configuration. The team is small and ownership is big: we ship in weeks and months, not multi-year programs. This role is separate from Baseten's GPU-to-GPU networking. Here you'll own how sandboxes connect to each other, to Baseten services, to customer networks, and to the internet. If you've built user-space data planes, virtualized network functions, or multi-tenant cloud networking and want to design one for agents, we'd love to talk. EXAMPLE INITIATIVES - Blaxel is joining Baseten to build the future of agentic infrastructure https://www.baseten.co/blog/blaxel-is-joining-baseten-to-build-the-future-of-agentic-cloud/ - Securing the open frontier with NVIDIA OpenShell and Blaxel sandboxes https://www.baseten.co/blog/announcing-carbon/ - Baseten Sandboxes documentation https://docs.baseten.co/sandboxes RESPONSIBILITIES - Design and build the user-space, VPP-based data plane that connects microVM sandboxes to each other, to Baseten services, and to the internet - Build multi-tenant virtual private networking and overlays (for example EVPN, GENEVE, VXLAN) across regions - Expose the network as a programmable API that the rest of the platform calls - Cut latency and raise connection scale for agent-to-agent and agent-to-service traffic - Build routing that sends each request to the nearest region and keeps connections working as sandboxes suspend and resume - Build secure ingress and egress for sandboxes, including firewalling, static egress IPs, and custom domains with managed TLS - Build L7 proxies for request inspection, filtering, secret injection, and auditing - Own per-sandbox addressing, including IPv6, and network isolation between tenants - Build observability for the packet path across guest, host, and network, and debug production issues end to end - Work closely with the compute, storage, GPU infrastructure, and datacenter teams REQUIREMENTS - Experience with user-space packet processing (DPDK, VPP, or similar) or virtualized network functions (VNF/NFV) - Experience building multi-tenant networking in production (VXLAN, GENEVE, VRF) - Experience building a software-defined network, overlay network, or packet-processing data plane in production - You write production code: strong systems programming in Rust, Go, and/or C/C++. Network architects are welcome if they build, not only configure - Experience building cloud networking as the provider, not only consuming a cloud provider's network - Solid grounding in TCP/IP and routing - Experience building or operating proxies, load balancers, or L4/L7 gateways at scale - Experience debugging latency and throughput problems with packet captures, tracing, and profiling - You move fast and like owning a problem end to end on a small team NICE TO HAVE - Experience with VPP / FD.io http://FD.io, our main networking technology - Experience with GENEVE or VXLAN overlays and EVPN - Linux kernel networking: eBPF/XDP, netfilter or nftables, network namespaces - Familiarity with virtual machine networking: virtio-net, vhost, TAP devices, or networking for Firecracker or Cloud Hypervisor - Experience running IPv6 at scale - Background in telecom user-plane or 5G core networking, or in low-latency trading networks - Experience with multi-region traffic routing, anycast, or BGP - Experience with TLS termination, DNS, and egress security controls BENEFITS - Competitive compensation, including meaningful equity - (U.S. only) 100% coverage of medical, dental, and vision insurance for employee and dependents - Flexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!) - Paid parental leave - Fertility and family-building stipend through Carrot - (U.S. only) Company-facilitated 401(k) - Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities. Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you. At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).

Location: San Francisco; New York Workplace: Hybrid ABOUT BASETEN Baseten powers mission-critical inference for the world's most dynamic AI companies, like Cursor, Notion, OpenEvidence, Abridge, Clay, Gamma, and Writer. By uniting applied AI research, flexible infrastructure, and seamless developer tooling, we enable companies operating at the frontier of AI to bring cutting-edge models into production. We're growing quickly and recently raised our $1.5B Series F https://www.baseten.co/blog/announcing-our-series-f/, led by Altimeter Capital, Conviction Partners, and Spark Capital. Join us and help build the platform engineers turn to ship AI products. THE ROLE Every agent on Baseten Sandboxes gets its own microVM, where it writes and runs code, calls tools, and keeps state across long tasks. Agents pause and resume constantly, so the machine underneath has to start, stop, snapshot, fork, and resume fast, and keep every tenant isolated while it does. General-purpose virtualization was not built for that workload. The Agent Infra team builds that layer. Sandboxes run in microVMs with custom Linux kernels on bare-metal servers we operate. You'll own how sandboxes start, stop, snapshot, fork, and resume, and how they perform on each host's CPU and memory, down to the hardware. You'll also own the guest and host side of each sandbox: its identity, how it attaches to different storage classes for performance or capabilities, and the virtual devices that connect it securely to the network. In September 2026, Baseten acquired Blaxel https://www.baseten.co/blog/blaxel-is-joining-baseten-to-build-the-future-of-agentic-cloud/, whose microVM sandboxes are the foundation for Baseten Sandboxes https://docs.baseten.co/sandboxes. We are building a cloud, not just using one. That means designing for many tenants from day one and thinking through what each decision means all the way down to the datacenter. The team is small and ownership is big: we ship in weeks and months, not multi-year programs. If you've worked deep in KVM and Firecracker, Cloud Hypervisor, or QEMU and want to build the computers AI agents run on, we'd love to talk. EXAMPLE INITIATIVES - Blaxel is joining Baseten to build the future of agentic infrastructure https://www.baseten.co/blog/blaxel-is-joining-baseten-to-build-the-future-of-agentic-cloud/ - Securing the open frontier with NVIDIA OpenShell and Blaxel sandboxes https://www.baseten.co/blog/announcing-carbon/ - Baseten Sandboxes documentation https://docs.baseten.co/sandboxes RESPONSIBILITIES - Own the microVM lifecycle for agent sandboxes: start, stop, suspend, resume, snapshot, and fork - Build and tune the custom guest kernels sandboxes run on - Tune host CPU and memory configuration so sandboxes run fast and safely on each type of hardware we operate - Manage host-level resources and sandbox density on each machine - Own startup and resume performance end to end, from VM boot or snapshot restore to the first command - Own the guest and host side of each sandbox: its identity, how it attaches to storage, and the virtual devices that connect it to the network - Design isolation for multi-tenant workloads where the hypervisor is the security boundary - Debug virtualization and isolation issues at scale, from userspace through the kernel to the hardware - Contribute architecture decisions and code back to the open-source projects we build on REQUIREMENTS - Hands-on experience with KVM, plus Firecracker, Cloud Hypervisor, or QEMU - Deep understanding of Linux internals: namespaces, cgroups, memory management, and the boot path - Experience building cloud infrastructure as the provider (multi-tenant compute that customers run on), not only running workloads on a cloud provider - Experience building multi-tenant infrastructure where isolation is a security boundary - Strong systems programming background in Rust and/or Go; C/C++ also welcome - Experience debugging performance and correctness problems across userspace and kernel boundaries - You move fast and like owning a problem end to end on a small team NICE TO HAVE - Contributions to KVM, Firecracker, Cloud Hypervisor, QEMU, rust-vmm, or the Linux kernel - Experience with Xen - Working knowledge of container runtimes and sandboxing (containerd, runc, gVisor, Kata Containers) - Experience with VM snapshot and restore, fast VM resume, or building and tuning custom Linux kernels - Experience running virtualization on bare metal and tuning for specific CPU and memory architectures - Experience building a sandbox, serverless, or function runtime product - Familiarity with Linux performance tooling such as eBPF, perf, and ftrace BENEFITS - Competitive compensation, including meaningful equity - (U.S. only) 100% coverage of medical, dental, and vision insurance for employee and dependents - Flexible PTO policy including company wide Winter Break (our offices are closed from Christmas Eve to New Year's Day!) - Paid parental leave - Fertility and family-building stipend through Carrot - (U.S. only) Company-facilitated 401(k) - Exposure to a variety of ML startups, offering unparalleled learning and networking opportunities. Apply now to embark on a rewarding journey in shaping the future of AI! If you are a motivated individual with a passion for machine learning and a desire to be part of a collaborative and forward-thinking team, we would love to hear from you. At Baseten, we are committed to fostering a diverse and inclusive workplace. We provide equal employment opportunities to all employees and applicants without regard to race, color, religion, gender, sexual orientation, gender identity or expression, national origin, age, genetic information, disability, or veteran status. We are an Equal Opportunity Employer and will consider qualified applicants with criminal histories in a manner consistent with applicable law (by example, the requirements of the San Francisco Fair Chance Ordinance, where applicable).

Location: Arlington, VA, United States Job Title Cyber Virtualization Engineer Why IDS? IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS tailors solutions for a diverse range of government, military, nonprofit, and public-sector clients. Locations Arlington, VA Shifts Available Please note, candidates must be flexible. Shift times are general hours; some projects may require earlier or later reporting based on customer requirements. Job Description SITE 525 is seeking a highly skilled Cyber Virtualization Engineer to support the development and sustainment of advanced cyber training environments. This role involves hands-on engineering of secure, scalable, and AI-enabled virtual ranges that emulate realistic, adversarial network conditions across IT and OT domains. These environments are used for cyber mission rehearsals, red/blue/gray team operations, and full-spectrum cybersecurity exercises. Must be willing to travel up to 25%. Responsible for designing, deploying, and maintaining advanced virtualized training environments that replicate realistic, large-scale, and adversarial network conditions. This position focuses on engineering and integrating dynamic, hypervisor-driven platforms and virtualization technologies to support cyber mission rehearsals, red/blue/gray team operations, and full-spectrum training exercises. Key Duties Engineer and implement scalable virtualized environments leveraging hypervisors (KVM, VMware, Hyper-V), virtual machines, containers, and software-defined networking across hybrid, edge, and cloud infrastructures. Implement and manage virtualization stacks including private cloud platforms, hypervisor clusters, and orchestration frameworks for large-scale, multi-tenant environments. Develop automation and orchestration tooling for provisioning, snapshotting, and lifecycle management of virtualized assets using Infrastructure-as-Code and CI/CD pipelines. Integrate advanced traffic simulation capabilities (burst, steady-state, geo-distributed, AI/ML-driven) to emulate realistic user and system behaviors within virtual ranges. Build and maintain frameworks and tooling for user and NPC emulation across virtualized environments to enhance operational realism, including threat emulation and defensive toolsets for network monitoring, incident detection, and response. Implement observability pipelines for performance monitoring, traffic replay, autoscaling validation, and centralized logging in production-grade virtual infrastructures. Administer and secure hypervisor platforms and virtual networking components, ensuring isolation, resiliency, and compliance for mission-critical environments. Manage network and server infrastructure including Active Directory, identity management systems, and virtualized security controls. Integrate third-party virtualization and orchestration tools to improve fidelity and scalability of training environments. Support exercise operations including setup, execution, troubleshooting, and real-time scenario management for White Cell operations. Collaborate with technical working groups and stakeholders to validate and enhance virtualization strategies for cyber training environments. Apply knowledge of OT systems (SCADA, ICS, PLCs, IoT/IIoT) within virtualized contexts for realistic emulation. Relevant Technologies & Tools: Virtualization & Hypervisors: VMware ESXi/vSphere, KVM/QEMU, Microsoft Hyper-V, Proxmox, OpenStack Virtual Infrastructure Management: VM lifecycle management, snapshotting, cloning, orchestration frameworks Cloud & Containerization: Private cloud platforms, AWS, Azure, Kubernetes (K8s), Docker, Podman, hybrid and edge deployments Networking & SDN: Virtual switches (vSwitch, vDS), software-defined networking, network segmentation, VPNs, dynamic Network-as-Code tools Automation & IaC: Infrastructure-as-Code (Terraform, Ansible, Packer, Helm, Nomad ), CI/CD integration for infrastructure Performance & Observability: Metrics collection, centralized logging, traffic replay, load simulation, autoscaling validation Security in Virtualized Environments: Identity management, Active Directory (GPOs, tiered admin scripts), secure isolation of virtual ranges Cyber Range Engineering: Virtualized cyber training environments, adversarial network simulation, AI/ML-driven traffic emulation Traffic Simulation & User Emulation: Lariat, CMU GHOSTS, MITRE Caldera, Red Canary, Atomic Red Team, TRex, BreakingPoint, Locust, k6, custom Python/TypeScript scripts, AI-enabled agents Compliance & Assurance: NIST 800-series, ISO 27001, FedRAMP, CUI-compliant controls Monitoring & Control Interfaces: Custom dashboards for exercise operations, centralized scenario orchestration Requirements Bachelor’s or Master’s degree in Cybersecurity, Computer Engineering, or related field. 5+ years of experience in cyber engineering, network operations, or cyber range development. Top Secret security clearance. Proficiency in virtualization, containerization, and cloud technologies. Experience with offensive and defensive cybersecurity tools and frameworks. Familiarity with AI/ML integration in cyber environments. Strong scripting and automation skills (e.g., Python, Bash, PowerShell). Experience with infrastructure-as-code tools (e.g., Terraform, Ansible). Knowledge of OT systems and protocols. Security certifications (e.g., CISSP, CEH, OSCP) are a plus. Compensation Competitive Hourly Pay Benefits Questions? Please reach out to lolney@idsinternational.com for additional questions or information.

Location: Edinburgh, IN, United States Senior Systems Engineer About SITE 525 SITE 525 is at the forefront of delivering cutting-edge training solutions for information maneuver specialists. Our mission is to empower the warfighter with realistic, high-fidelity training environments that simulate the challenges of modern information warfare. SITE 525 is looking for a Senior Systems Engineer to join our team support the Cybertropolis Technology Environment Platform (CTEP). The CTEP provides a one-of-a-kind platform for DoD and Joint, Interagency, Intergovernmental, and Multinational (JIIM) partners to conduct training or Research, Development, Testing & Experimentation (RDT&E) in a wide variety of emerging technology areas, but primarily related to cyberspace and cyber-electromagnetic (CEMA) operations. This position may require the employee to travel within the CONUS and to keep a flexible 40-hour week. This role sits at Camp Atterbury in Indiana and is contingent upon award. Responsibilities: Manage, maintain, troubleshoot, and restore hardware, operating systems, applications, and software including updates, security patches, and backups. Engineer, build, and configure computer networks including routing, switching, firewalls, DNS, Active Directory, VPNs, VLANs, SANs utilizing bare metal systems as well as virtualized systems (VMware). Collaborates with others to develop the best way to tackle complex technological infrastructure, security, or development problems. Participates in architecture and software development activities. Tier 2 engineering and administration support for customer events, as required. Working in ambiguous environment and collaborating across multiple areas. Required Qualifications: Windows and Linux enterprise systems engineering and administration experience. Experience working with a wide variety of technology including but not limited to:  Cellular systems, camera systems, Industrial Control Systems, Internet of Things (IoT) devices, building management systems, and radio frequency (RF) communications devices. Meet IAT Level 2 requirements of DoD 8570.1M by holding one of the following: CCNA Security CySA+ ** GICSP GSEC Security+ CE CND or SSCP. Bachelor’s degree in a technical discipline or equivalent experience in network operations Hold or be able to acquire an interim Top Secret clearance within 30 days of hire. Maintain active Top Secret/SCI Security Clearance. Preferred Qualifications: Operational experience in Cyberspace Operations and/or Information Warfare Cellular and Industrial Control Systems engineering and administration experience. Experience with containers and container orchestration services, automation, provisioning, and imaging, with products such as Ansible, Terraform, Kubernetes, Chef, FOG Projects, etc. Exercise design, test and evaluation, modeling, and simulations, as well as research and development familiarity. Computer Skills: Working knowledge of Microsoft Office (Word, Excel, and PowerPoint). Cloud, physical, and virtual network engineering experience required. Experience with hypervisors such as VMware, CypherPath, KVM, etc. Benefits eligibility may vary based on project site or contract but typical benefits are listed below.

Location: Muscatatuck, IN, United States Job Title Computer Systems Administrator I Why IDS? IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS tailors solutions for a diverse range of government, military, nonprofit, and public-sector clients. Locations Muscatatuck, Indiana Shifts Available Please note, candidates must be flexible. Shift times are general hours; some projects may require earlier or later reporting based on customer requirements. Job Description IDS is seeking a Computer Systems Administrator I to support the administration, operation, and maintenance of enterprise computing environments. The selected candidate will provide technical support for Windows and Linux systems, assist with network and infrastructure operations, and support virtualized and cloud-based environments. This role requires experience administering computer systems, monitoring infrastructure performance, and maintaining secure and reliable computing environments in support of mission requirements. Key Duties • Administer and maintain Windows enterprise and Linux server operating systems. • Support the operation and maintenance of computer systems and network infrastructure. • Monitor system and infrastructure performance to ensure availability and reliability. • Support cloud, physical, and virtual network environments. • Configure, manage, and troubleshoot virtualized platforms and services. • Maintain system documentation and administrative records. • Assist with system updates, patches, and configuration management activities. • Support implementation and maintenance of security controls and system hardening measures. • Troubleshoot hardware, software, and network-related issues. • Coordinate with technical teams to support operational and project requirements. Requirements • Bachelor's degree or equivalent experience. • Active Secret security clearance required. • Minimum of two (2) years of experience working with computer systems. • Demonstrated experience with Windows enterprise and Linux server operating systems engineering and administration. • Demonstrated experience with cloud, physical, and virtual network architecture, engineering, and infrastructure monitoring. • Expertise with hypervisors such as VMware, KVM, and Xen. Compensation • Competitive Hourly Pay • Benefits

Location: Muscatatuck, IN, United States Job Title Computer Systems Engineer I (Computer Network Architect) Why IDS? IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS tailors solutions for a diverse range of government, military, nonprofit, and public-sector clients. Locations Muscatatuck, Indiana Shifts Available Please note, candidates must be flexible. Shift times are general hours; some projects may require earlier or later reporting based on customer requirements. Job Description IDS is seeking a Computer Systems Engineer I (Computer Network Architect) to support the design, implementation, operation, and maintenance of complex cyber range and test bed environments. The selected candidate will be responsible for architecting and configuring physical, virtual, and cloud-based network infrastructures that support training, testing, and operational requirements. This role requires experience with network engineering, systems administration, virtualization technologies, automation tools, and infrastructure orchestration. The ideal candidate will possess a strong understanding of enterprise Windows and Linux environments, cyber infrastructure, and emerging technologies including ICS/SCADA, IoT, RF, and integrated sensor systems. Key Duties • Design, configure, and maintain cyber range and computer test bed environments. • Architect and support physical, virtual, and cloud-based network infrastructures. • Configure and manage routing, switching, firewalls, DNS, Active Directory, VPNs, VLANs, and SAN technologies. • Deploy and maintain bare metal and virtualized systems in support of mission requirements. • Develop and implement automation, provisioning, imaging, orchestration, and configuration management solutions. • Utilize tools such as Ansible, Chef, FOG, Python, and Bash to streamline system administration and deployment activities. • Engineer and administer VMware, KVM, Xen, and other virtualization platforms. • Administer and maintain Windows enterprise and Linux server operating systems. • Monitor infrastructure performance and support network and systems troubleshooting activities. • Identify and address network vulnerabilities, attack vectors, and mitigation strategies. • Support integration and operation of technologies including camera systems, ICS/SCADA environments, IoT devices, and RF systems. • Collaborate with stakeholders to support cyber training, testing, and operational objectives. Requirements • Bachelor's degree or equivalent experience. • Must meet DoDM 8140.03 IAT II requirements. • Active Secret security clearance required. • Minimum of three (3) years of experience in the configuration and operation of cyber range or computer test bed environments. • Demonstrated experience designing and configuring computer networks, including routing, switching, firewalls, DNS, Active Directory, VPNs, VLANs, and SANs utilizing bare metal and virtualized systems. • Demonstrated experience with automation, provisioning, imaging, orchestration, and configuration management using Ansible, Chef, FOG, Python, and Bash scripting. • Cloud, physical, and virtual network architecture, engineering, and infrastructure monitoring experience. • Experience with hypervisors such as VMware, KVM, and Xen. • Demonstrated experience with Windows enterprise and Linux server/operating systems engineering and administration. • Knowledge of network vulnerabilities, attack vectors, and mitigation techniques. • Demonstrated experience working with technologies including camera systems, ICS/SCADA, IoT, and RF devices. Compensation • Competitive Hourly Pay • Benefits

Location: Muscatatuck, IN, United States Job Title Information Technology Technician I (Computer Network Support Specialist) Why IDS? IDS believes in resolving conflict, building innovative approaches to do so. Combining operational expertise with an intimate understanding of today’s greatest challenges, we bring our customers the solutions required for success in a complex and multidimensional world. IDS tailors solutions for a diverse range of government, military, nonprofit, and public-sector clients. Locations Muscatatuck, Indiana Shifts Available Please note, candidates must be flexible. Shift times are general hours; some projects may require earlier or later reporting based on customer requirements. Job Description IDS is seeking an Information Technology Technician I to provide technical support for computer systems, network infrastructure, and enterprise IT environments. The selected candidate will assist with the administration, maintenance, monitoring, and troubleshooting of Windows and Linux systems while supporting physical, virtual, and cloud-based network environments. This position requires a foundation in information technology and networking, along with experience supporting enterprise systems and virtualization technologies in a secure operational environment. Key Duties • Support the operation and maintenance of computer systems and network infrastructure. • Assist with administration of Windows enterprise and Linux server operating systems. • Monitor system and network performance across physical, virtual, and cloud environments. • Troubleshoot hardware, software, and network-related issues. • Support virtualization platforms and hosted environments. • Assist with implementation and maintenance of network and system configurations. • Support infrastructure monitoring and routine system maintenance activities. • Identify and report system vulnerabilities and support mitigation efforts. • Maintain technical documentation and administrative records. • Coordinate with technical teams to support operational and project requirements. Requirements • Associate degree or equivalent experience. • Active Secret security clearance required. • Minimum of one (1) year of experience working with computer systems, information technology, and networking. • Demonstrated experience with Windows enterprise and Linux server operating systems engineering and administration, including knowledge of network vulnerabilities, attack vectors, and mitigation. • Demonstrated experience with cloud, physical, and virtual network architecture, engineering, and infrastructure monitoring. • Expertise with hypervisors such as VMware, KVM, and Xen. Compensation • Competitive Hourly Pay • Benefits

Location: Muscatatuck, IN, United States Systems Administrator/Engineer – II (Systems Administrator/Engineer) Why IDS? IDS delivers innovative, mission-focused solutions that support national security and critical operations. Our teams combine deep technical expertise with real-world operational insight to solve complex challenges across the defense and public sectors. At IDS, you’ll work on impactful programs in dynamic, high-stakes environments. Location Muscatatuck, Indiana Job Description IDS is seeking a skilled Systems Administrator/Engineer II to support advanced cyber environments and enterprise infrastructure within a DoD setting. This role requires a hands-on technical expert with strong experience in systems engineering, network architecture, virtualization, and automation. The ideal candidate will have a strong background in designing, deploying, and maintaining complex environments spanning physical, virtual, and cloud-based systems. Key Responsibilities Design, configure, and maintain enterprise network and system architectures Deploy and support routing, switching, firewalls, VPNs, DNS, Active Directory, VLANs, and SANs Perform system provisioning, imaging, automation, and orchestration Manage and maintain virtualized and bare-metal environments Support infrastructure monitoring and performance optimization Engineer and administer Windows and Linux server environments Identify and mitigate network vulnerabilities, threats, and attack vectors Support integration of emerging technologies including IoT, ICS/SCADA, RF devices, and camera systems Requirements Education Bachelor’s degree in network engineering, Cybersecurity, Information Management, or related discipline OR equivalent experience in lieu of degree Certifications Must meet DoD 8140.03 IAT II requirements (e.g., Security+, CCNA Security, etc.) Experience Minimum of 7 years of experience as a Cyber SME, Cyber Architect, Systems Administrator/Engineer, or similar role Experience designing and configuring: Network infrastructure (routing, switching, firewalls) Core services (DNS, Active Directory, VPNs, VLANs, SANs) Experience with: Automation, orchestration, and configuration management Tools such as Ansible, Python, and other open-source platforms Experience across: Cloud, physical, and virtual infrastructure environments Infrastructure monitoring and performance tuning Experience with hypervisors: VMware, KVM, Xen Strong experience with: Windows Enterprise and Linux system administration Cybersecurity principles, vulnerabilities, and mitigation techniques Exposure to diverse technologies including: ICS/SCADA systems IoT devices RF technologies and sensor systems Desired Skills Strong troubleshooting and problem-solving abilities Experience in complex, mission-driven environments Ability to work independently and within cross-functional teams Strong documentation and communication skills Experience supporting cyber range or lab environments (preferred) Security Clearance Active Top Secret (TS) / Sensitive Compartmented Information (SCI) required

Location: Remote, Global Workplace: Remote ABOUT SUPABASE Supabase is the Postgres development platform, built by developers for developers. We provide a complete backend solution including Database, Auth, Storage, Edge Functions, Realtime, and Vector Search. All services are deeply integrated and designed for growth. ABOUT THE ROLE We’re looking for a Software Engineer to join our Turso core database team and help bring forward the future of agentic databases. Turso is both an Open Source database that replaces SQLite—with an ongoing project to also support the Postgres interface—and a Cloud offering where users can create databases on demand. You’ll work closely with customers and other teams at Supabase to build the future of what databases look like in a world where users and agents are creating millions of databases a day. This role is ideal for someone who thrives in async, fast-paced environments and is excited about building database technology tools that scale to billions. WHAT YOU’LL BE RESPONSIBLE FOR - Driving the progress of the Turso Open Source database, in particular the Postgres compatibility layer. - Making sure code works, and never breaks, and putting the systems and guarantees in place for that to happen. - Maintaining the Turso Cloud operations, including the Cloud API and data plane operations. - Improving the scalability of the Turso Cloud operations to support a 100x larger number of databases YOU MIGHT BE A GOOD FIT IF YOU - Have written databases before, and/or other high-stakes low-level systems like Hypervisors, OS Kernels, storage devices, etc. - Have experience working with remote teams and Open Source communities. - Have a passion and experience for correct systems that work, and have the experience in the tools to make that happen: Deterministic Simulation Testing, formal verification methods, fuzz and differential testing, etc. - Have experience deploying, operating and debugging large scale software systems in production in cloud environments such as AWS & Kubernetes - Have experience improving the observability, reliability and performance of complex cloud systems. - Are comfortable working in Rust. - Are comfortable with LLM-assisted development and evals. - Are comfortable working with Embedded databases. - Communicate clearly across both technical and non-technical audiences. - Are energized by solving real-world problems for developers - Are comfortable navigating ambiguity and moving quickly WHAT WE OFFER - Fully Remote We hire globally. We believe you can do your best work from anywhere. There are no Supabase offices, but we provide a WeWork membership or co-working allowance you can use anywhere in the world. - ESOP Every team member receives ESOP (equity ownership) in the company. We want everyone to share in the upside of what we’re building together. - Tech Allowance Use this budget to set up your ideal work environment—laptop, monitor, headphones, or whatever helps you do your best work. - Health Benefits Supabase covers 100% of health insurance for employees and 80% for dependents, wherever you are. Your wellbeing and your family’s health are important to us. - Annual Off-Sites Once a year, the entire company gathers in a new city for a week of connection, collaboration, and fun. It’s a highlight of our year. - Flexible Work We operate asynchronously and trust you to manage your own time. You know what needs to be done and when. - Professional Development Every team member receives an annual education allowance to spend on learning—courses, books, conferences, or anything that supports your growth. ABOUT THE TEAM Supabase was born-remote and open-source-first. We believe our globally distributed team is our secret weapon in building tools developers love. - ~400 team members - 60+ countries - 20+ languages spoken - Over $1B raised (including our $500M Series F) - 540,000+ community members We move fast, build in public, and use what we ship. If it’s in your project, we probably use it in ours too. We believe deeply in the open-source ecosystem and strive to support—not replace—existing tools and communities.

Crusoe is looking for a Senior Staff Linux Security Engineer to harden Linux kernel systems and lead vulnerability remediation.

Location: San Francisco, CA | New York City, NY | Seattle, WA About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Frontier AI is on track to be among the most consequential and most adversarially-targeted technology in the world. The capability curve is steep, the adversaries who want these systems are extremely well-resourced, and the security bar this will eventually require is well beyond where the industry operates today. Incremental hardening alone is not going to close that gap, so we need breakthroughs and a group of people to go find them. Security Labs is that team. We run a portfolio of high-risk, high-expected-value security projects: the work that seems impractical until someone optimistic and stubborn enough actually tries it. Projects run on the order of weeks rather than quarters, and each one is either handed off to the Anthropic team that will own it in production or wound down with a writeup of what we learned. We expect a meaningful fraction of our bets not to land. This team is intentionally scrappy and ambitious. We're intentionally iterating fast on high-risk research bets and we expect a meaningful fraction not to land. If a 30% project success rate sounds uncomfortable, or uncharted and chaotic territory isn’t both frightening and exciting, this probably isn't the right fit. There are other places in Anthropic Security doing important work with more structure, less risk, and more certain paths to positive outcomes. The questions we're trying to answer include: Can our core research workflows survive extreme isolation? Can we replace trust with cryptographic guarantees? Can the models themselves become our most effective security control? What would it actually take to defend against a tier-1 state adversary, and how much of that can we build now? Who we're looking for. We're hiring generalists with rare depth. You're a strong software engineer as a baseline, and on top of that you've gone deep in at least one area most engineers don't get near: firmware or hardware security, applied cryptography, OS / kernel / hypervisor internals, formal methods, reverse engineering, or high-assurance and cross-domain systems. You've built things under your own direction, you're comfortable jumping layers when the problem demands it, and you'd rather take a swing at something that might not work than ship the safe incremental thing. You think the trajectory of AI matters a great deal, you're not comfortable with how the security side of it is going by default, and you'd rather be on the inside building the answer than watching from outside. Current Project Areas The portfolio changes as we learn. The kinds of bets currently in flight or queued: Standing up a prototype high-assurance research cluster: running real Anthropic training and research workloads under extreme isolation and physical security controls, and finding out exactly where productivity breaks and what we'd need to invent to get it back Provable inference: cryptographic verification (zero-knowledge proofs, attestation chains) that a given output came from a specific model running specific code, replacing "trust us" with math Build hypervisor-isolated microVM workload isolation across the fleet Compiling an ML kernel through a formally verified pipeline where every lowering step carries a machine-checked proof of equivalence, making compilation-layer sabotage mathematically detectable Regenerating clusters: automation that spins up a purpose-built cell, runs a workload, and tears the whole thing down on a TTL measured in hours, so attacker persistence has an expiry date Using Claude itself to drive security work end to end: threat modeling new compute platforms, rewriting critical services to zero external dependencies, running the test equipment that validates what hardware datasheets claim Part of your job is deciding what comes next. We hire people we trust to pick good bets, and project selection is owned by the engineers doing the work. Key responsibilities Own Security Labs projects end to end. You'll scope the bet, build the prototype, run it against real workloads, and bring it to either a hand-off or a documented exit Stand up novel security infrastructure fast (isolated clusters, attestation chains, hypervisor and runtime work, verification tooling) optimizing for what we learn rather than for permanence Find the receiving team early, bring them along while you build, and hand them something they actually want to own Work embedded with research and infrastructure teams (Pretraining, RL, Inference, Compute) to test whether their workflows survive what you're proposing, and document precisely where they don't Turn experimental results into short writeups that shape Anthropic's long-term security architecture, and into costed contingency plans we could execute on short notice Help pick the next round of bets and influence the industry to get better along the way Minimum qualifications Genuinely care about where AI is heading and want to work on the security problems that determine whether it goes well. This is the most important thing on this list Have real depth in at least one area most software engineers don't touch (e.g. firmware or hardware security, applied cryptography, OS / kernel / hypervisor internals, formal methods and verification, reverse engineering and exploit development, or high-assurance / cross-domain systems) Have built and shipped things under your own direction. Maybe you founded a company or research group, maintained an open-source project other people depend on, or shipped research that changed how people in your field work. We weight this far more than where you've worked or for how long Have a track record of choosing the problem yourself and seeing it through, rather than only executing a plan someone else handed you Are comfortable jumping between domains and layers of the stack when the problem calls for it, and have actually done so Have run prototypes or experiments where the goal was answering a hard question rather than shipping a permanent system, including ones that didn't pan out Write clearly enough to turn weeks of work into a couple of pages someone can act on Change your mind when the evidence says to, and are fine being the least-expert person in a room full of specialists Care about defense. Plenty of folks here come from offense and that background is valuable, but what you actually want to spend your time on now is making systems hold up Are a strong programmer (Python plus at least one of Rust, Go, or C/C++) and can stand up real infrastructure without that being the interesting part of your week Preferred qualifications Experience inside airgapped or high-side environments (classified networks, cross-domain solutions, ICS/SCADA, financial trading infrastructure) and the operational realities of working in them A background in offensive security, red teaming, or vulnerability research, with calibrated intuitions for which threats actually matter Familiarity with ML infrastructure (training pipelines, distributed schedulers, inference serving, accelerator hardware) sufficient for grounded conversations with researchers about what their workloads actually need A history of working in environments built around rapid iteration rather than rigid change control: startups, applied research groups, independent consulting, small security shops The annual compensation range for this role is listed below. For sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commissions/sales bonuses target and annual base salary for the role. Annual Salary: $320,000 — $485,000 USD Logistics Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices. Visa sponsorship: We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this. We encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listed.  Research shows that people who identify as being from underrepresented groups are more prone to experiencing imposter syndrome and doubting the strength of their candidacy, so we urge you not to exclude yourself prematurely and to submit an application if you're interested in this work. We think AI systems like the ones we're building have enormous social and ethical implications. We think this makes representation even more important, and we strive to include a range of diverse perspectives on our team. Your safety matters to us. To protect yourself from potential scams, remember that Anthropic recruiters only contact you from @anthropic.com email addresses. In some cases, we may partner with vetted recruiting agencies who will identify themselves as working on behalf of Anthropic. Be cautious of emails from other domains. Legitimate Anthropic recruiters will never ask for money, fees, or banking information before your first day. If you're ever unsure about a communication, don't click any links—visit anthropic.com/careers directly for confirmed position openings. How we're different We believe that the highest-impact AI research will be big science. At Anthropic we work as a single cohesive team on just a few large-scale research efforts. And we value impact — advancing our long-term goals of steerable, trustworthy AI — rather than work on smaller and more specific puzzles. We view AI research as an empirical science, which has as much in common with physics and biology as with traditional efforts in computer science. We're an extremely collaborative group, and we host frequent research discussions to ensure that we are pursuing the highest-impact work at any given time. As such, we greatly value communication skills. The easiest way to understand our research directions is to read our recent research. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. Come work with us! Anthropic is a public benefit corporation headquartered in San Francisco. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues. Guidance on Candidates' AI Usage: Learn about our policy for using AI in our application process.

Location: Canada; United States Workplace: Remote ABOUT DOCKER Docker has been one of the most loved brands in developer tooling, trusted by more than 20 million monthly users and over 20 billion container image pulls. From solo founders to the world's largest companies, developers rely on Docker to build, share, and run their applications across our suite of products including Docker Desktop, Docker Hub, and Docker Scout. We are a globally distributed, remote-first team building the tools that define how software gets built and delivered. As AI agents redefine software development, Docker is at the center of that shift, providing the sandboxed environments, verified images, and secure infrastructure that make autonomous workflows trustworthy by default. _______________________________________________________________________ THE ROLE The Products Team at Docker is looking for a Principal Product Manager to lead components of Docker Sandboxes. You will own and drive this strategic product area from high-level concept design through delivery, adoption, and operation. You will help shape how developers and AI agents use fast, secure, isolated environments across local and cloud workflows. You will work closely with developers inside and outside of Docker, our customers, and our partners to expand our open ecosystem offering and provide value. As the company and ecosystem grow, you will help foster teams eager to continuously build, measure, and learn. To thrive in this role, you will need experience working with developers, deep technical fluency in systems and developer infrastructure, and prior experience as a software engineer. You will need to understand containers, sandboxes/microVMs, virtualization technologies, hypervisors, the software development lifecycle, and how untrusted or agent-generated code can be safely executed and orchestrated. You will need a relentless drive to try new things and an eye for detail. Your long-term success will depend on your ability to own the product roadmap, earn the trust of the developer community, and scale reliable services. Most importantly, you will need to be comfortable taking ownership of big objectives with big goals, working with a cross-functional team, and maintaining a bias for action. _______________________________________________________________________ RESPONSIBILITIES - You own Docker Sandboxes, its long-term vision, roadmap, revenue, adoption, and results. - You believe in and can succinctly articulate our customers, their workflows, and their pain points. You empathize with the world they live in and the security, performance, compatibility, and cost constraints they work through. - You will engage deeply with developers building AI agents, coding environments, CI and testing systems, and other workloads that require secure, isolated execution, finding solutions for today while optimizing for tomorrow's vision. - You enjoy building infrastructure products that are easy to adopt and use. You will turn complex tradeoffs across isolation, startup time, performance, density, networking, storage, and cost into simple product experiences. - You are comfortable with ambiguity and will guide product definition, feature prioritization, and scope in concert with engineering, design, security, operations, and go-to-market teams. - You are a fan of iterative development, working with customers and cross-functional teams to hypothesize, measure adoption and impact, learn from releases, and continually improve the roadmap. _______________________________________________________________________ QUALIFICATIONS - You have deep empathy for the needs of developers and are obsessed with talking to your users. - You have prior professional experience as a software engineer, ideally in systems, infrastructure, platform engineering, developer tools, or cloud. - You have strong technical familiarity with sandboxes/microVMs, containers, virtualization technologies, and hypervisors, including the isolation and security boundaries each provides. - You understand the building blocks of modern developer infrastructure, including Linux, container runtimes, orchestration, networking, storage, APIs, and cloud services. - You have experience designing, building, or operating systems that execute customer-provided, untrusted, or agent-generated code at scale. - You are comfortable interacting with a command-line interface and discussing APIs, SDKs, and technical architecture with engineers and developers. - You have experience building B2B or SaaS products, or a background in public cloud and developer infrastructure. - You understand software supply chain and software security concerns, including multi-tenant isolation, identity, secrets management, observability, and reliability. - You can break down complex technical problems into small, releasable, user-valuable features. - You can explain complex ideas simply and communicate effectively in writing, verbally, and visually across diverse stakeholders. - You can analyze qualitative and quantitative data to inform decisions, define success metrics, and prioritize investments. - You have a collaborative approach, experience running products from greenfield to scale, and the ability to work with fast-moving, distributed, cross-functional teams. You are a doer as well as a strategist; we are small and need all hands on deck. _______________________________________________________________________ WHAT TO EXPECT FIRST 30 DAYS - Get to know Docker: our vision, mission, and values. - Understand the Docker Sandboxes team's mission, product strategy, and technical architecture. - Meet the team along with peers across the business unit and company. - Work closely with designers, researchers, engineers, security partners, and customers to understand user needs and current pain points. - Work with your manager and team to review and create quarterly goals. - Understand the product roadmap, key technical and business tradeoffs, and the data available to make data-driven decisions. FIRST 90 DAYS - Understand the company's and business unit's product vision and how Docker Sandboxes contributes to it. - Provide clarity on product vision, target users, priority use cases, and how the team contributes to the overall success of Docker. - Develop a deep understanding of our developers and customers, how they use isolated environments, and why they choose Docker. - Shape the team roadmap and product strategy in close collaboration with design, engineering, security, and go-to-market peers. - Lead the definition of team OKRs and success metrics for the quarter, and provide clear progress reports. ONE YEAR OUTLOOK - Lead product initiatives across cross-functional teams that make secure, isolated execution simple and valuable for developers and AI agents. - Drive the long-term direction of Docker Sandboxes, including improvements to adoption, ecosystem integration, reliability, scale, unit economics, and ARR. Visa sponsorship: Not available for this role. _______________________________________________________________________ COMPENSATION & EQUITY All full-time roles include equity. Final compensation is determined on factors including but not limited to experience, skills, qualifications, and location. Canada CA$255,500 - CA$365,000 base United States: $280,000 – $300,000 base ______________________________________________________________________ POSTING INFORMATION - Open vacancy: This posting is for an existing open role. - AI in hiring: Docker may use AI-assisted tools during our recruiting process. - Interview recordings: Candidates will be invited to opt in to interview recordings to support interviewer calibration and consistent evaluations. Recordings are optional and require explicit consent. ______________________________________________________________________ PERKS & BENEFITS - Remote-first by design – Work from your home, with offices in Seattle and Paris for connection and collaboration. - Flexibility that fits your life – We trust you to manage your schedule while delivering great work. - Time to recharge – Generous PTO, designated quarterly Whaleness Days, and a designated end-of-year Whaleness break. - Home office support – Set up your workspace for comfort and success. - Technology stipend – Equivalent to US$100 net per month to help support your work. - Learning & development – Annual stipend for conferences, courses, certifications, and continued learning. - Parental leave – 16 weeks of paid parental leave after six months of employment. - Equity for all full-time employees – Share in Docker's long-term success as we continue to grow. - Comprehensive benefits – Medical, retirement, and paid holidays vary by country. - Docker swag – Because representing the whale never gets old. Docker is proud to be an equal opportunity employer. We are committed to building a team that reflects a broad range of backgrounds, experiences, and perspectives. We believe diverse teams build better products, make better decisions, and better serve our global community. #LI-REMOTE

Location: Berlin ROLE HIGHLIGHTS: - Senior DevOps / Platform Engineer, ISR - Location: Berlin, Germany - Department: ISR Analytics - Reports to: VP of ISR Analytics - Employment type: Permanent - Workplace model: Hybrid - Employment is subject to applicable security screening (incl. SUPO, where required) WHY THIS ROLE MATTERS: ICEYE's Intelligence, Surveillance and Reconnaissance (ISR) team builds products that put ICEYE satellite data to work for military and intelligence users. We deliver tactical and strategic intelligence to sovereign mission customers, many of them using space-based data at scale for the first time. The team brings together military intelligence, data science and AI, and software engineering. Our products run in secure, sovereign environments. We develop in the cloud for convenience, but customers run the product on their own servers, often in air-gapped networks. This role is not about keeping one system running and tuning it. Here, every environment is temporary: you build the automation that creates, ships, upgrades and tears down complete deployments, reliably and repeatably, in places with no internet access. You work inside the product team, not beside it, and many of your changes will touch the application codebase.   WHO WE ARE ICEYE is the world leader in sovereign intelligence from space. We deliver persistent monitoring capabilities to detect and respond to changes in any location on Earth.   ICEYE owns the world's largest and most advanced SAR (synthetic aperture radar) satellite constellation. To our customers we provide intelligence with unmatched quality, latency and revisit times, in any weather, day or night. To governments who choose to operate their own constellation we provide this proven capability as a sovereign system.   ICEYE-built constellations serve customers in defence and intelligence, environmental monitoring, insurance and emergency management. We enable fast decisions that contribute to a safer future.   Founded and headquartered in Finland, ICEYE operates globally with over 1000 employees across Europe, North America, the Middle East, and Asia-Pacific. YOUR DAY-TO-DAY RESPONSIBILITIES   - Build and own the automation that packages our product and deploys it to on-prem and air-gapped customer environments. - Write tooling (mostly Python) that fills the gaps between off-the-shelf tools, rather than only configuring them. - Provision and manage infrastructure from bare metal and hypervisors up to Kubernetes, and make it reproducible from code. - Keep cloud development environments fast and disposable, so engineers can spin up a full stack on demand. - Build CI/CD pipelines that produce signed, versioned, offline-installable releases. - Set up observability that works when nobody can reach the system from outside. - Spot what the team needs next and raise it, without waiting to be asked.   WHAT WE’RE LOOKING FOR Must haves: - Senior hands-on engineer (not an engineering manager or architect role). - Strong experience building infrastructure and deployment automation, not only operating existing systems. - Solid coding skills in Python, or deep experience in another language (for example Go) and willingness to work in Python. - Daily use of AI tools in engineering work, beyond chat: generating and reviewing code, configuration and tests (for example Claude Code, Cursor). - High autonomy: you find problems, propose fixes and drive them through. - Motivation to work in new defense: building technology used by defense forces.   Nice to haves: - On-prem or datacenter experience: bootstrapping servers, virtualization (VMware, Proxmox), storage and networking, not just public cloud. - Delivered to air-gapped or otherwise restricted environments. - Release engineering: shipping a packaged product to many customer environments on a fixed schedule. - Built internal tools and automation used by other engineers (a CLI, an operator, a provisioning service). - Operated PostgreSQL in production (upgrades, backups, migrations); PostGIS a plus. - Strong IC track record in a startup or a fast-changing company launching new products. - Comfortable in an environment where process and requirements change often and are not always fully defined. - Clear communicator who works well with experienced, opinionated engineers.   APPLICATION PROCESS - Outline the stages of this role, including task stages. WORKING AT ICEYE At ICEYE, you’ll join a diverse and highly engaged team united by the ambition to make the impossible possible. As a global scale-up, we combine speed and ambition with the opportunity to take real ownership from day one. Your growth, wellbeing, and success are a priority, with continuous professional development, training opportunities, and a culture where collaboration is how we win. HOW WE WORK (OUR VALUES) Make the impossible possible: We set ambitious goals and stay calm under pressure. We bring grit, optimism, and ownership when things get hard, and we keep moving until we find a way. - Be curious: Go deep, ask questions, listen carefully, and think critically. Understand the “why” behind decisions. - See the big picture: Stay close to what’s happening across the company so you can make better decisions. Consider how your work affects others. - Drive effective teamwork: Create psychological safety, invite different perspectives, and build inclusive teams. There are no bad questions. - Act as one team: We win together. We match tasks to the right owner and stay agile as priorities shift. - Have fun: What we do matters—and it should be enjoyable. Celebrate progress, take pride in results, and share the wins. BENEFITS Our benefits are designed to support your health and wellbeing, at work and beyond. We keep improving them based on employee feedback, and offerings vary by location. Talent Acquisition will confirm what applies for this role and location during the process.   OUR COMMITMENT TO DIVERSITY, EQUITY, AND INCLUSION We want ICEYE to be a place where people can be themselves and do great work. Different backgrounds and perspectives make us stronger, which is why we work to create an environment where people feel included, respected, and able to speak up. Whatever your background, we want you to bring your authentic self to the table. We’re committed to fair, inclusive hiring and equal opportunity. Everyone is welcome to apply. If you need any adjustments or support during the recruitment process, tell us—we’ll do our best to help. Apply now to start your ICEYE journey, and help us continue to make the impossible possible together. Read more about ICEYE and working with us at iceye.com http://iceye.com.

Location: San Francisco, CA | New York City, NY | Seattle, WA About Anthropic Anthropic’s mission is to create reliable, interpretable, and steerable AI systems. We want AI to be safe and beneficial for our users and for society as a whole. Our team is a quickly growing group of committed researchers, engineers, policy experts, and business leaders working together to build beneficial AI systems. About the role Every time Claude runs code, uses a computer, or works as an agent, it does so inside a sandbox. Our Sandboxing team builds the isolation layer behind that work. The same systems run the code Claude writes for users, the environments we train and evaluate models in, and the agents our customers deploy. These workloads are untrusted by design, and there are a lot of them. Sandboxes need to start in milliseconds, hold up under adversarial code, and scale to a very large number of concurrent sessions. You will work at the boundary between the Linux kernel, virtualization, and the container ecosystem. You will partner with research, product, and security teams to make sure that safe and fast do not trade off against each other. Key responsibilities Design, build, and operate the sandboxing infrastructure that runs untrusted, model-generated code and agent workloads at scale Improve sandbox startup time, density, and throughput, including snapshot and restore, checkpointing, and warm pools Strengthen isolation across compute, filesystem, and network, including egress controls and per-session credential handling Investigate and fix performance, reliability, and security issues at the kernel, hypervisor, and container runtime level Build the monitoring, tracing, and debugging tools that show where time and resources go inside a sandbox Work with researchers to support reinforcement learning environments and evaluations that need fast, reproducible, isolated execution Work with product and platform engineers to expose sandboxes as a dependable, well-designed capability for Claude products and customers Partner with security teams to threat-model the platform and to test, harden, and respond to escape and abuse scenarios Work with cloud providers on the hardware and platform features that our workloads depend on Share knowledge on systems programming and Linux internals, and help set technical standards for the team Minimum qualifications Software engineering experience in Linux systems programming, kernel development, or another low-level area Strong programming skills in at least one systems language such as Rust, C, C++, or Go Working knowledge of virtualization or container isolation technologies such as KVM, QEMU, Firecracker, gVisor, or runc Understanding of Linux resource management, including namespaces, cgroups, scheduling, and memory management Experience profiling and debugging performance issues at the system level Ability to work in unfamiliar codebases and technical areas, and to ship practical solutions with measurable results Strong communication skills and a commitment to building safe, reliable systems Preferred qualifications Experience building or operating a multi-tenant sandbox, serverless, or code execution platform Experience with microVMs, user-space kernels, or lightweight virtualization, including snapshot and restore Experience with OS-level security hardening, including seccomp, LSMs, and threat modeling of untrusted code Experience with eBPF and kernel tracing tools Experience with Kubernetes and cloud infrastructure at scale (AWS, GCP) Experience with network isolation, high-performance networking, or building egress proxies and policy layers Experience with sandboxes for AI agents, computer use, or reinforcement learning environments Experience with GPU virtualization, accelerators, or performance work on machine learning workloads Prior experience as a technical lead or mentor Representative projects Cutting sandbox cold start from seconds to milliseconds with snapshot-based restore and pre-warmed pools Designing a network egress policy layer so agents can reach approved services without exposing secrets Running many thousands of parallel reinforcement learning environments with strong isolation between them Building tracing tools that attribute latency and resource use inside a running sandbox Reducing per-sandbox memory overhead to raise density on each host Hardening the runtime against escape attempts found in internal red-team exercises The annual compensation range for this role is listed below. For sales roles, the range provided is the role’s On Target Earnings ("OTE") range, meaning that the range includes both the sales commissions/sales bonuses target and annual base salary for the role. Annual Salary: $320,000 — $485,000 USD Logistics Minimum education: Bachelor’s degree or an equivalent combination of education, training, and/or experience Required field of study: A field relevant to the role as demonstrated through coursework, training, or professional experience Minimum years of experience: Years of experience required will correlate with the internal job level requirements for the position Location-based hybrid policy: Currently, we expect all staff to be in one of our offices at least 25% of the time. However, some roles may require more time in our offices. Visa sponsorship: We do sponsor visas! However, we aren't able to successfully sponsor visas for every role and every candidate. But if we make you an offer, we will make every reasonable effort to get you a visa, and we retain an immigration lawyer to help with this. We encourage you to apply even if you do not believe you meet every single qualification. Not all strong candidates will meet every single qualification as listed.  Research shows that people who identify as being from underrepresented groups are more prone to experiencing imposter syndrome and doubting the strength of their candidacy, so we urge you not to exclude yourself prematurely and to submit an application if you're interested in this work. We think AI systems like the ones we're building have enormous social and ethical implications. We think this makes representation even more important, and we strive to include a range of diverse perspectives on our team. Your safety matters to us. To protect yourself from potential scams, remember that Anthropic recruiters only contact you from @anthropic.com email addresses. In some cases, we may partner with vetted recruiting agencies who will identify themselves as working on behalf of Anthropic. Be cautious of emails from other domains. Legitimate Anthropic recruiters will never ask for money, fees, or banking information before your first day. If you're ever unsure about a communication, don't click any links—visit anthropic.com/careers directly for confirmed position openings. How we're different We believe that the highest-impact AI research will be big science. At Anthropic we work as a single cohesive team on just a few large-scale research efforts. And we value impact — advancing our long-term goals of steerable, trustworthy AI — rather than work on smaller and more specific puzzles. We view AI research as an empirical science, which has as much in common with physics and biology as with traditional efforts in computer science. We're an extremely collaborative group, and we host frequent research discussions to ensure that we are pursuing the highest-impact work at any given time. As such, we greatly value communication skills. The easiest way to understand our research directions is to read our recent research. This research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. Come work with us! Anthropic is a public benefit corporation headquartered in San Francisco. We offer competitive compensation and benefits, optional equity donation matching, generous vacation and parental leave, flexible working hours, and a lovely office space in which to collaborate with colleagues. Guidance on Candidates' AI Usage: Learn about our policy for using AI in our application process.

Location: Turkey FREEDOM FINANCE TECHNOLOGIES is a Cyprus-based fintech company and part of the international financial holding Freedom Finance. We develop and maintain trading and banking IT products, as well as the holding’s IT infrastructure worldwide. Our team currently consists of 170 professionals.  Over the past three years, we have grown fourfold and continue to actively expand our team. Since 2009, we have been developing our core product - a trading system for brokerage operations in the stock market. More than 700,000 users across 41 countries use our applications. We are looking for a VMware Virtualization Engineer to strengthen our Virtualization and Network Infrastructure team. Key Responsibilities: Operate and develop production virtualization infrastructure based on VMware vSphere (ESXi, vCenter). Support high-availability virtualization clusters and participate in incident resolution. Analyze and resolve technical issues related to hypervisor performance, network infrastructure, and storage systems. Work with storage systems using Fibre Channel and iSCSI. Collaborate with the network infrastructure team to ensure the proper operation of the virtualization environment. Participate in the installation, connection, and commissioning of server hardware. Operate server remote management systems (iDRAC and similar tools). Take part in infrastructure modernization, migration, and testing projects. Requirements Experience administering VMware vSphere in a production environment. Understanding of VMware architecture, including the ESXi scheduler, NUMA architecture, memory management, and storage subsystem. Experience working with storage systems: Fibre Channel zoning, multipathing, latency, and performance analysis. Knowledge of networking technologies required for virtualization operations: VLANs, trunks, LACP, MTU/jumbo frames, and basic L2/L3 principles. Understanding of KVM virtualization principles and architectural differences from VMware. Experience working with enterprise-grade server hardware (Dell, Supermicro, or similar). Experience with server remote management systems (iDRAC), including remote access, firmware updates, and basic hardware diagnostics. Strong independent troubleshooting and technical problem-solving skills. Native Russian Benefits Fully remote work. Daytime and evening working hours according to the Moscow time zone. A service contract with a Cyprus-based company. Fixed monthly salary in euros. Paid annual leave of 21 working days. Paid sick leave. Public holidays: New Year holidays until January 4–6, plus May 1–2 or May 8–9. One additional paid day off per month. Coverage of professional training courses related to your area of work. Coverage of participation in professional online conferences. Training on products and processes. A genuinely comfortable and professional working environment. Opportunities to grow and develop alongside the company and its products.