Вакансии

Location: United States; Washington, District of Columbia, United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is seeking a Senior Account Executive – Federal (Intelligence Community Focus) to own and expand one of our most strategic territories, centered on the U.S. Intelligence Community. This is a quota-carrying individual contributor role focused exclusively on strategic selling, renewal expansion, and net-new growth across the IC ecosystem. The territory includes a significant multi-million-dollar renewal footprint and substantial opportunity for expansion across IC agencies, program offices, and mission-aligned organizations operating in some of the most sensitive and demanding environments in the world. The ideal candidate brings deep IC domain expertise, established relationships across agency acquisition and mission stakeholders, and experience working with Federal Systems Integrators and cleared partners to accelerate program-level adoption. What You'll Do Own and Grow the Intelligence Community Territory Serve as the primary seller responsible for Mattermost's IC business, including agencies across the IC, program offices, and mission-aligned stakeholders operating in classified and controlled environments Develop and execute multi-year account strategies aligned to IC modernization, zero trust initiatives, and mission priorities Expand Mattermost's footprint across additional agencies and programs through strategic penetration and executive alignment Drive Strategic Renewals and Expansion Outcomes Maintain executive ownership of large-scale renewals and expansion motions across the territory Partner closely with an Account Manager who supports renewal execution, while retaining accountability for strategic renewal outcomes Identify cross-agency and cross-program expansion opportunities within existing deployments Close Complex Enterprise SaaS Transactions Lead sophisticated, multi-threaded sales cycles involving technical validation, security review, accreditation workflows, and executive sponsorship Navigate IC-specific procurement environments, including FAR/DFARS requirements, classified contracting workflows, and common contract vehicles (IDIQs, GWACs, OTAs) Build strong internal deal governance and forecasting discipline through Salesforce Execute a Federal Partner Ecosystem Motion Develop and manage strategic co-sell relationships with major cleared Federal Systems Integrators (FSIs), including Booz Allen Hamilton, Leidos, SAIC, Northrop Grumman, Palantir, and others operating within the IC Partner effectively with Federal distributors and cleared VARs to navigate contract vehicles, renewal workflows, and net-new agency entry Align with partner capture teams and distributor resources to position Mattermost within prime contracts, task orders, and program-level pursuits Maintain clear ownership of deal strategy and close execution while leveraging partners to accelerate procurement and expand reach Deliver Predictable Revenue and Forecast Accountability Carry and achieve an annual quota across net-new and strategic expansion outcomes Maintain high forecast accuracy, deal hygiene, and pipeline rigor Provide clear visibility to Sales leadership and Finance on deal timing, risks, and execution plans What We're Looking For Required Qualifications Proven track record of enterprise SaaS sales experience with demonstrated success closing complex, multi-million-dollar transactions Substantial experience selling directly into U.S. Intelligence Community agencies with a deep understanding of IC acquisition, accreditation, and mission environments Demonstrated success navigating IC-specific procurement, classification requirements, and authorization-to-operate (ATO) processes Experience co-selling with cleared Federal Systems Integrators and navigating partner-influenced deal structures within the IC Deep understanding of IC procurement, acquisition, and contracting processes Clearance Requirements Must be eligible to obtain and maintain a U.S. security clearance Active Secret clearance required TS/SCI strongly preferred; polygraph is a plus Preferred Qualifications Experience selling secure collaboration, DevSecOps, cybersecurity, or mission-critical infrastructure software into IC environments Familiarity with IC-specific compliance and security frameworks including ICD 503, NIST 800-53, and cross-domain solution requirements Experience supporting deployments in controlled or classified environments (IL4/IL5/IL6/TS networks) Established relationships within key IC agency acquisition stakeholders and cleared FSI partner ecosystems Familiarity with IC-specific contract vehicles and procurement pathways including ODNI, NSA, CIA, DIA, and other agency-specific vehicles What Success Looks Like in Year 1 Successfully retain and expand major IC renewal footprint Build executive-level relationships across IC agency acquisition and mission hierarchies Establish repeatable co-sell execution with strategic cleared FSIs Close net-new program opportunities across IC agencies and program offices Deliver predictable, finance-ready forecasting and pipeline visibility Why Mattermost Mattermost is uniquely positioned at the intersection of secure collaboration, mission software, and intelligence community modernization. Our platform is built for the environments where security is not a feature — it is the foundation. This role offers the opportunity to shape and scale Mattermost's presence within one of the most strategically important and security-sensitive markets in the world. If you thrive in complex, classified environments, understand how mission outcomes drive technology adoption, and want to sell software that protects the nation's most sensitive operations — we would love to hear from you. Target Salary Range: $125,000 – $150,000 USD, plus commission Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . #LI-KR1 Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Зарплата не указана

Location: United States; Washington, District of Columbia, United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is seeking a Senior Account Executive – Federal (US Army Focus) to own and expand one of our most strategic territories, centered on the United States Army. This is a quota-carrying individual contributor role focused exclusively on strategic selling, renewal expansion, and net-new growth across the Army ecosystem. The territory includes a significant multi-million-dollar renewal footprint and substantial opportunity for expansion across Army commands, program offices, and mission-aligned organizations. The ideal candidate brings deep Army domain expertise, established relationships across acquisition and mission stakeholders, and experience working with Federal Systems Integrators (FSIs) to accelerate program-level adoption. What You'll Do Own and Grow the US ARMY Territory Serve as the primary seller responsible for Mattermost's US Army business, including Army commands, program executive offices (PEOs), program offices, and mission-aligned stakeholders Develop and execute multi-year account strategies aligned to Army modernization and mission priorities Expand Mattermost's footprint across additional commands and programs through strategic penetration and executive alignment Drive Strategic Renewals and Expansion Outcomes Maintain executive ownership of large-scale renewals and expansion motions across the territory Partner closely with an Account Manager who supports renewal execution, while retaining accountability for strategic renewal outcomes Identify cross-program expansion opportunities within existing deployments Close Complex Enterprise SaaS Transactions Lead sophisticated, multi-threaded sales cycles involving technical validation, security review, contracting workflows, and executive sponsorship Navigate Federal procurement environments, including FAR/DFARS requirements and common contract vehicles (IDIQs, GWACs, OTAs) Build strong internal deal governance and forecasting discipline through Salesforce Execute a Federal Partner Ecosystem Motion Develop and manage strategic co-sell relationships with major Federal Systems Integrators (FSIs), including Lockheed Martin, Raytheon, Northrop Grumman, Leidos, SAIC, LMI, and others Partner effectively with Federal distributors and VARs (e.g., Carahsoft) to navigate contract vehicles, renewal workflows, and net-new agency entry Align with partner capture teams and distributor resources to position Mattermost within prime contracts, task orders, and program-level pursuits Maintain clear ownership of deal strategy and close execution while leveraging partners to accelerate procurement and expand reach Deliver Predictable Revenue and Forecast Accountability Carry and achieve an annual quota across net-new and strategic expansion outcomes Maintain high forecast accuracy, deal hygiene, and pipeline rigor Provide clear visibility to Sales leadership and Finance on deal timing, risks, and execution plans What We're Looking For Required Qualifications Proven track record of enterprise SaaS sales experience with demonstrated success closing complex, multi-million-dollar transactions Substantial experience selling directly into U.S. Federal and DoD accounts with a deep understanding of the defense acquisition landscape Demonstrated success selling into the US Army ecosystem specifically (Army commands, PEOs, program offices, and acquisition stakeholders) Proven ability to close complex, multi-million-dollar software transactions Experience co-selling with Federal Systems Integrators and navigating partner-influenced deal structures Deep understanding of DoD procurement, acquisition, and contracting processes Clearance Requirements Must be eligible to obtain and maintain a U.S. security clearance Active Secret clearance preferred TS/SCI clearance is a plus Preferred Qualifications Experience selling secure collaboration, DevSecOps, cybersecurity, or mission-critical infrastructure software Familiarity with Army modernization initiatives, including Army Futures Command (AFC), Program Executive Office Enterprise Information Systems (PEO EIS), and Army enterprise software delivery organizations Experience supporting deployments in controlled or classified environments (IL4/IL5/IL6) Established relationships within key Army acquisition stakeholders, commands, and FSI partner ecosystems Familiarity with Army-specific contract vehicles and procurement pathways What Success Looks Like in Year 1 Successfully retain and expand major US Army renewal footprint Build executive-level relationships across Army acquisition and mission hierarchies Establish repeatable co-sell execution with strategic FSIs Close net-new program opportunities across Army commands and program offices Deliver predictable, finance-ready forecasting and pipeline visibility Why Mattermost Mattermost is uniquely positioned at the intersection of secure collaboration, mission software, and defense modernization. This role offers the opportunity to shape and scale Mattermost's presence within one of the largest and most strategic branches of the U.S. Department of Defense. If you thrive in complex environments, understand how mission outcomes drive technology adoption, and want to sell software that matters — we would love to hear from you. Target Salary Range: $125,000 to $150,000 USD, plus commission Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . #LI-KR1 Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking an experienced and results-driven Federal Account Manager (AM) who is collaborative, territory-aligned sales role that operates alongside Federal Account Executives (AEs). AMs independently manage defined Federal expansion and renewal motions while exercising sound judgment on when to partner with AEs on larger or more complex opportunities. Responsibilities Include Expansion Ownership Lead expansions within existing accounts when scope and complexity allow Identify upsell and cross-sell opportunities through customer engagement and usage insights Partner with AEs on expansions that become larger, more strategic, or more complex Manage inbound expansion requests from existing customers (e.g., incremental license additions) Renewal Management (Value-Driven) Own renewals requiring active customer engagement, risk mitigation, or expansion discovery Collaborate cross-functionally to ensure smooth, on-time renewals Become a trusted advisor to customers by helping to realize the value of Mattermost and building business cases to support renewals Federal Sales & Ecosystem Exposure Gain hands-on experience with the Federal buying cycle and procurement considerations Engage with Federal System Integrators (FSIs) and partner-led opportunities Territory Enablement & Hygiene Act as a capacity multiplier for Federal AEs Maintain strong CRM hygiene, forecasting accuracy, and deal documentation by owning the renewal & expansion records for all assigned accounts Share insights and learnings to improve territory execution Required Background / Skills 3–5+ years of experience in sales, account management, renewal management, or commercial closing roles Proven ability to run multiple sales cycles in parallel Strong discovery, communication, and deal execution skills Experience using CRM systems (Salesforce preferred) This role may require the candidate to obtain and maintain a U.S. security clearance in the future. Preferred Qualifications: Experience selling into US Federal or regulated environments Exposure to Federal procurement or partner-led sales motions SaaS or enterprise technology sales experience Target Salary Range: $100,000 to $130,000 USD plus commission Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is seeking a Senior Technical Account Manager (TAM) to serve as a trusted technical advisor to our U.S. Federal and enterprise customers . In this role, you will ensure the successful deployment, integration, and secure operation of the Mattermost platform in mission-critical and high-security environments . You will combine expertise in infrastructure, cybersecurity, and DevSecOps with strong customer engagement and project leadership skills. As a strategic partner, you will bridge engineering, product, and customer teams , driving secure, compliant, and scalable implementations that enable organizations to collaborate with confidence. Key Responsibilities Customer Success & Secure Solution Delivery Lead technical onboarding, configuration, and production deployments for strategic enterprise and U.S. Federal customers Design, validate, and implement secure, scalable architectures for Mattermost across cloud, on-premise, hybrid, and air-gapped environments Support alignment with security and compliance frameworks such as FedRAMP, NIST 800-53, DoD STIG, and SOC 2 Guide customers in integrating Mattermost with authentication and identity management systems (SSO, SAML, OAuth) , DevOps pipelines, and monitoring tools Provide proactive technical guidance to minimize operational risk and ensure long-term platform success Technical Leadership & Advocacy Serve as the primary technical point of contact for assigned accounts Collaborate with Product, Engineering, and Support to resolve complex technical issues and advocate for customer needs Develop reusable deployment assets including scripts, playbooks, and technical documentation to accelerate implementations Participate in internal reviews to improve onboarding methodologies and deployment best practices Communication & Stakeholder Management Present complex technical concepts to both executive and technical stakeholders , tailoring communication to audience and context Build trusted relationships that drive adoption, expansion, and long-term customer success Maintain detailed records of architectural decisions, deployment strategies, and customer feedback Required Qualifications Senior-level experience in Technical Account Management, Sales Engineering, Customer Success Engineering, or a similar customer-facing technical role Strong technical knowledge of Linux system administration, networking, containers (Docker/Kubernetes), and cloud infrastructure Hands-on scripting or development experience with Python, Go, Node.js, or similar languages Strong understanding of cybersecurity principles and secure system architecture Familiarity with DevSecOps tools and workflows (GitHub, Jenkins, Jira, Terraform, etc.) Experience managing large enterprise or government customers and aligning technical delivery with business and security requirements Excellent communication skills with the ability to collaborate across technical and non-technical stakeholders Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. This role may require the candidate to obtain and maintain a U.S. government security clearance in the future. Preferred Qualifications Experience working with U.S. Federal agencies, defense organizations, or regulated industries Familiarity with IT Service Management (ITSM) frameworks Knowledge of compliance standards such as FedRAMP, NIST, SOC 2, or ISO 27001 Experience with secure collaboration platforms or open-source technologies Exposure to mobile device management (Intune, Workspace ONE, MobileIron) environments Experience working in a startup or high-growth SaaS environment Target Salary Range: $125,000 - $165,000 USD plus commission Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking a Senior Mobile Engineer to take ownership of the Mattermost mobile experience for teams working in defense, intelligence, and critical infrastructure. Our users operate in DDIL environments where connectivity may be disconnected, denied, intermittent, or limited, security is non-negotiable, and the software they depend on has to keep working. Our mobile app is primarily React Native and TypeScript today, with native iOS and Android integrations. Your immediate focus will be making that experience more reliable and performant. Over time, you'll also help shape the next generation of our cross-platform mobile architecture. You'll work hands-on across application and native layers, partner closely with platform and feature teams, work directly with customer-facing teams on field reports from constrained environments, and help raise the bar for how we observe, diagnose, and build mobile software. Responsibilities Reliability and Performance Architect the app for DDIL and other constrained network environments Improve data and functional reliability across connection lifecycle, synchronization, recovery, and failure scenarios Own crash-free and release-health outcomes, using telemetry to proactively identify regressions and drive them through diagnosis to resolution Profile and improve performance across startup, networking, storage, rendering, memory, and battery usage Mobile Platform Ownership Own critical iOS and Android integrations and the boundaries between native and cross-platform code Maintain and evolve platform capabilities including push notifications, background execution, secure storage, app lifecycle, and real-time communications Build within mobile distribution and device-management constraints, including App Store, enterprise and MDM deployment, AppConfig, and Intune MAM Diagnose production issues from native traces, telemetry, device profiling, and sparse field logs Make architecture recommendations that balance near-term delivery with the long-term direction of the mobile platform Craft and Delivery Mentor engineers on mobile architecture, reliability, performance, and platform best practices Uphold security and compliance standards required by government and enterprise customers Contribute to the open-source codebase Use AI coding tools effectively, applying strong engineering judgment to increase output without compromising reliability or quality What We Are Looking For We care about what you've built and the problems you've solved — not how long you've been building. If you have strong outcomes to speak to in mobile engineering, we want to hear from you. Required: Deep expertise in iOS or Android development, with strong working knowledge of the other platform Strong understanding of mobile architecture, platform SDKs, lifecycle constraints, and networking fundamentals Experience building reliable mobile systems that behave predictably through unreliable connectivity, local state changes, synchronization, and recovery Strong mobile performance profiling and production debugging skills on real devices Experience using production data, crash metrics, and release-health signals to drive reliability improvements Experience making architecture recommendations and owning technical outcomes Ability and willingness to work across native and cross-platform codebases AI fluency and experience using coding agents to increase engineering output while applying judgment to ensure reliable outcomes Preferred: Experience with React Native and TypeScript Experience with mobile persistence, synchronization, or offline-capable systems Experience with real-time communications or platform media frameworks such as WebRTC, CallKit, or Android audio APIs Experience with enterprise mobile distribution, MDM, AppConfig, or Intune MAM Experience building mobile software for security-sensitive, regulated, or operationally constrained environments Open-source contributions Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration including the U.S. Department of War and critical infrastructure operators worldwide Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership AI-forward environment: We actively adopt and build AI-enabled workflows. Agentic development is core craft here, not a novelty End-to-end ownership: Ship and own complex software across the full stack with real accountability for what you build Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration Target Salary Range: $165,000 – $215,000 Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking a Staff Full Stack Engineer to set the technical direction for and scale Mattermost’s core web platform for teams operating in defense and critical infrastructure sectors. You’ll drive architecture and technical strategy across our Go backend and React/TypeScript web frontend — partnering across teams to ship features that hold up under strict security, compliance, and reliability requirements . Our engineering culture is AI-forward. We expect engineers to work fluently with AI coding agents such as Claude Code day-to-day — for scaffolding, refactors, code review, and test generation — and treat that as core craft rather than a shortcut. We would rather hire smart people who get stuff done than chase an exact tech-stack match. If you have a track record of shipping and owning complex software end-to-end, we want to hear from you. What You Will Do Define and drive the technical architecture and roadmap for Mattermost’s core web platform across multiple engineering teams, spanning Go, React, TypeScript, PostgreSQL, and Redis Set org-wide standards and best practices for AI-agentic engineering workflows — going beyond personal fluency with tools like Claude Code and Cursor to shape how the broader engineering org adopts them, while retaining accountability for correctness, security, and design decisions Lead the internal tooling and testing infrastructure strategy that speeds up delivery for the broader engineering org, not just your immediate team Own the testing strategy and quality bar across frontend and backend systems, and hold other engineers accountable to it through design reviews and mentorship Drive architectural decisions for REST and WebSocket API design, grounded in deep networking fundamentals Partner directly with security, compliance, and product leadership on strategic technical bets tied to our government and enterprise customer requirements Mentor senior engineers and act as a technical multiplier across the org Contribute to and help shape technical direction for Mattermost’s open-source codebase What We Are Looking For Required: Senior full-stack development experience in Go and React (or a comparable stack), with a track record of owning complex systems end-to-end Proven experience designing and owning distributed systems or high-availability service architecture at scale Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals Relational database experience including PostgreSQL, schema design, and query optimization Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation — with the judgment to know when to trust the output and when to take the wheel yourself Demonstrated ability to influence technical direction across multiple teams without relying on formal authority Experience mentoring senior engineers and raising the technical bar for a broader team Comfortable operating in regulated or high-compliance environments (e.g., enterprise security, government, or critical infrastructure requirements) Nice to Have: Prior experience operating as a staff, principal, or technical lead engineer at another company Experience maintaining (not just contributing to) an open-source project Program-level familiarity with compliance frameworks relevant to defense or government customers (e.g., FedRAMP, ITAR) Experience helping scale engineering practices or standards across a growing organization Background in defense, intelligence, or critical infrastructure products Experience building tools, skills, or workflows on top of AI coding agents including MCP servers, agent skills, or CI-integrated agents How Success Is Measured First 90 Days: Build cross-team credibility by shipping a meaningful full-stack feature on the core platform, while assessing the technical landscape and identifying the highest-leverage architectural or process improvements to pursue. Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration including the U.S. Department of War and critical infrastructure operators worldwide Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership AI-forward environment: We actively adopt and build AI-enabled workflows. Agentic development is core craft here, not a novelty End-to-end ownership: Ship and own complex software across the full stack with real accountability for what you build Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration Compensation Mattermost takes a market-based approach to pay. Actual compensation may vary based on location, skills, experience, qualifications, and market conditions. Target Salary Range: $172,724 – $227,135 U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: Toronto, Ontario, Canada Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking a Staff Full Stack Engineer to set the technical direction for and scale Mattermost’s core web platform for teams operating in defense and critical infrastructure sectors. You’ll drive architecture and technical strategy across our Go backend and React/TypeScript web frontend — partnering across teams to ship features that hold up under strict security, compliance, and reliability requirements . Our engineering culture is AI-forward. We expect engineers to work fluently with AI coding agents such as Claude Code day-to-day — for scaffolding, refactors, code review, and test generation — and treat that as core craft rather than a shortcut. We would rather hire smart people who get stuff done than chase an exact tech-stack match. If you have a track record of shipping and owning complex software end-to-end, we want to hear from you. What You Will Do Define and drive the technical architecture and roadmap for Mattermost’s core web platform across multiple engineering teams, spanning Go, React, TypeScript, PostgreSQL, and Redis Set org-wide standards and best practices for AI-agentic engineering workflows — going beyond personal fluency with tools like Claude Code and Cursor to shape how the broader engineering org adopts them, while retaining accountability for correctness, security, and design decisions Lead the internal tooling and testing infrastructure strategy that speeds up delivery for the broader engineering org, not just your immediate team Own the testing strategy and quality bar across frontend and backend systems, and hold other engineers accountable to it through design reviews and mentorship Drive architectural decisions for REST and WebSocket API design, grounded in deep networking fundamentals Partner directly with security, compliance, and product leadership on strategic technical bets tied to our government and enterprise customer requirements Mentor senior engineers and act as a technical multiplier across the org Contribute to and help shape technical direction for Mattermost’s open-source codebase What We Are Looking For Required: Senior full-stack development experience in Go and React (or a comparable stack), with a track record of owning complex systems end-to-end Proven experience designing and owning distributed systems or high-availability service architecture at scale Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals Relational database experience including PostgreSQL, schema design, and query optimization Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation — with the judgment to know when to trust the output and when to take the wheel yourself Demonstrated ability to influence technical direction across multiple teams without relying on formal authority Experience mentoring senior engineers and raising the technical bar for a broader team Comfortable operating in regulated or high-compliance environments (e.g., enterprise security, government, or critical infrastructure requirements) Nice to Have: Prior experience operating as a staff, principal, or technical lead engineer at another company Experience maintaining (not just contributing to) an open-source project Program-level familiarity with compliance frameworks relevant to defense or government customers (e.g., FedRAMP, ITAR) Experience helping scale engineering practices or standards across a growing organization Background in defense, intelligence, or critical infrastructure products Experience building tools, skills, or workflows on top of AI coding agents including MCP servers, agent skills, or CI-integrated agents How Success Is Measured First 90 Days: Build cross-team credibility by shipping a meaningful full-stack feature on the core platform, while assessing the technical landscape and identifying the highest-leverage architectural or process improvements to pursue. Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration including the U.S. Department of War and critical infrastructure operators worldwide Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership AI-forward environment: We actively adopt and build AI-enabled workflows. Agentic development is core craft here, not a novelty End-to-end ownership: Ship and own complex software across the full stack with real accountability for what you build Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration Compensation Mattermost takes a market-based approach to pay. Actual compensation may vary based on location, skills, experience, qualifications, and market conditions. Target Salary Range: $195,001 – $238,965 Canada Eligibility & Compliance Candidates must be legally authorized to work in Canada without current or future sponsorship. This role may require obtaining and maintaining a government security clearance or equivalent designation (such as Reliability Status or Secret clearance under Canada's Controlled Goods Program), depending on customer engagement. Candidates must meet eligibility requirements to be considered. Given Mattermost's work with U.S. defense and government customers, some positions may also require compliance with U.S. export control laws, including EAR and ITAR, which can apply to non-U.S. based employees working on covered technical data. For more information, visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls. Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: Ontario, Canada; Toronto, Ontario, Canada Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking a Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our Go backend and React/TypeScript web frontend, building features that hold up under strict security, compliance, and reliability requirements. Our engineering culture is AI-forward. We expect engineers to work fluently with AI coding agents such as Claude Code day-to-day — for scaffolding, refactors, code review, and test generation — and treat that as core craft rather than a shortcut. We would rather hire smart people who get stuff done than chase an exact tech-stack match. If you have a track record of shipping and owning complex software end-to-end, we want to hear from you. What You Will Do Architect and build full-stack features optimized for scalability and performance across Go, React, TypeScript, PostgreSQL, and Redis Leverage AI coding agents such as Claude Code and Cursor as a core part of your daily workflow while retaining full accountability for correctness, security, and design decisions Develop internal tooling and testing infrastructure to speed up the team's delivery, including agentic workflows and skills that make AI tooling more effective for the broader team Own testing strategy across frontend and backend code you ship Design and consume REST and WebSocket APIs with solid networking fundamentals Maintain the security and compliance standards required by our government and enterprise clients Contribute to Mattermost's open-source codebase What We Are Looking For Required: Strong full-stack development experience in Go and React, or a comparable stack Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals Relational database experience including PostgreSQL, schema design, and query optimization Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation — with the judgment to know when to trust the output and when to take the wheel yourself Bias toward shipping and owning complex software end-to-end without close supervision Nice to Have: Experience with distributed systems or high-availability service architecture Familiarity with enterprise or regulated-environment security requirements Background in defense, intelligence, or critical infrastructure products Open-source contributions Experience working on distributed or remote-first teams Experience building tools, skills, or workflows on top of AI coding agents including MCP servers, agent skills, or CI-integrated agents How Success Is Measured First 90 Days: Shipping full-stack features on the core platform using an AI-forward agentic development workflow and owning testing strategy across the code you ship. Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration including the U.S. Department of War and critical infrastructure operators worldwide Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership AI-forward environment: We actively adopt and build AI-enabled workflows. Agentic development is core craft here, not a novelty End-to-end ownership: Ship and own complex software across the full stack with real accountability for what you build Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration Compensation Mattermost takes a market-based approach to pay. Actual compensation may vary based on location, skills, experience, qualifications, and market conditions. Target Salary Range: CAD $162,591–$195,000 Canada Eligibility & Compliance Candidates must be legally authorized to work in Canada without current or future sponsorship. This role may require obtaining and maintaining a government security clearance or equivalent designation (such as Reliability Status or Secret clearance under Canada's Controlled Goods Program), depending on customer engagement. Candidates must meet eligibility requirements to be considered. Given Mattermost's work with U.S. defense and government customers, some positions may also require compliance with U.S. export control laws, including EAR and ITAR, which can apply to non-U.S. based employees working on covered technical data. For more information, visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls. Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com We are seeking a Senior Full Stack Engineer to help build and scale Mattermost's core web platform for teams operating in defense and critical infrastructure sectors. You will contribute across our Go backend and React/TypeScript web frontend, building features that hold up under strict security, compliance, and reliability requirements. Our engineering culture is AI-forward. We expect engineers to work fluently with AI coding agents such as Claude Code day-to-day — for scaffolding, refactors, code review, and test generation — and treat that as core craft rather than a shortcut. We would rather hire smart people who get stuff done than chase an exact tech-stack match. If you have a track record of shipping and owning complex software end-to-end, we want to hear from you. What You Will Do Architect and build full-stack features optimized for scalability and performance across Go, React, TypeScript, PostgreSQL, and Redis Leverage AI coding agents such as Claude Code and Cursor as a core part of your daily workflow while retaining full accountability for correctness, security, and design decisions Develop internal tooling and testing infrastructure to speed up the team's delivery, including agentic workflows and skills that make AI tooling more effective for the broader team Own testing strategy across frontend and backend code you ship Design and consume REST and WebSocket APIs with solid networking fundamentals Maintain the security and compliance standards required by our government and enterprise clients Contribute to Mattermost's open-source codebase What We Are Looking For Required: Strong full-stack development experience in Go and React, or a comparable stack Experience designing and consuming REST and WebSocket APIs with solid networking fundamentals Relational database experience including PostgreSQL, schema design, and query optimization Hands-on daily fluency directing AI coding agents such as Claude Code, Cursor, or Copilot for scaffolding, refactors, code review, and test generation — with the judgment to know when to trust the output and when to take the wheel yourself Bias toward shipping and owning complex software end-to-end without close supervision Nice to Have: Experience with distributed systems or high-availability service architecture Familiarity with enterprise or regulated-environment security requirements Background in defense, intelligence, or critical infrastructure products Open-source contributions Experience working on distributed or remote-first teams Experience building tools, skills, or workflows on top of AI coding agents including MCP servers, agent skills, or CI-integrated agents How Success Is Measured First 90 Days: Shipping full-stack features on the core platform using an AI-forward agentic development workflow and owning testing strategy across the code you ship. Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration including the U.S. Department of War and critical infrastructure operators worldwide Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership AI-forward environment: We actively adopt and build AI-enabled workflows. Agentic development is core craft here, not a novelty End-to-end ownership: Ship and own complex software across the full stack with real accountability for what you build Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration Target Salary Range: $142,723- $172,723 Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role may require obtaining and maintaining a U.S. government security clearance. Candidates must meet federal eligibility requirements to be considered. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: Tokyo, Japan Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is seeking a highly skilled and motivated Technical Sales Engineer to join us as we enter the Japanese market. This is a high impact, early-stage opportunity requiring a player coach mentality with significant room for ownership, autonomy, and professional growth. As the first technical hire in Japan and the Indo Pacific region, you will lead technical demonstrations and serve as a strategic partner to our sales team, directly shaping regional growth and ensuring customer success in high trust environments. Mattermost is an open core technology company building secure collaboration solutions for organizations in high trust environments. We enable secure messaging and workflow automation across the world's most sensitive deployments, from air gapped defense systems to private clouds. In this role, you are the technical face of Mattermost in Japan, driving our expansion into one of our most critical growth regions. What You'll Do Lead all regional technical activities, including presales architecture, product demos, and deep dive technical evaluations Architect and deploy solutions within complex on premise, air gapped, and private cloud environments, ensuring operational resilience for defense and national security customers Collaborate with system integrators, VARs, and distributors to build a sustainable technical network and contribute to the regional partner go to market plan Translate complex technical details into value propositions for audiences ranging from executive C suite (General Officers) to frontline operational personnel Act as a bridge between Japanese customers and our global product and engineering teams, representing local requirements to help build world class, mission ready software Support technical engagements for key accounts to ensure customers are achieving their specific mission outcomes and workflow automation goals What We're Looking For Senior level technical experience, specifically within the cybersecurity sector or high growth SaaS/technology companies Proven experience serving defense, national security, or critical infrastructure customers Strong knowledge of closed cloud environments, on premise deployments, and the technical and operational concepts utilized within secure sectors Independent, creative problem solver capable of negotiating technical win win scenarios; experience in global startups is preferred Native Japanese language skills and strong English proficiency (reading/writing) Ability to travel based on business needs to support partner events, tradeshows, and customer sites (up to 50%) Nice to Have Active security clearance, highly desired due to the nature of our mission critical customer base Awareness of GenAI and its applications in secure collaboration Bachelor's degree in a technical field or equivalent work experience How Success Is Measured Quota attainment: consistent achievement of enterprise ACV and ARR targets. Pipeline generation: self-sourced pipeline as a percentage of total pipeline created. Deal quality: average deal size, sales cycle length, and win rate across enterprise accounts. Executive engagement: multi-threaded relationships and documented executive alignment in target accounts. Cross-functional feedback: positive collaboration scores from Sales Engineering, Customer Success, and Product partners. Why Mattermost Mission-driven work: Your deals directly support the organizations and missions that depend on secure, reliable collaboration — from the tactical edge to the enterprise. AI-forward environment: We actively adopt and build AI-enabled workflows — you’ll have access to cutting-edge tooling to accelerate your productivity. Open source at the core: Be part of a vibrant community shaping the future of secure collaboration. High-growth opportunity: Strong momentum in the defense and enterprise markets, with meaningful equity upside as we scale toward our revenue goals. Compensation Mattermost takes a market-based approach to pay. Actual compensation may vary based on location, skills, experience, qualifications, and market conditions. Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.

Location: United States Mattermost is the leading collaborative workflow platform for defense, intelligence, security, and critical infrastructure. Trusted by the U.S. Department of War and Fortune 500s, our platform runs on-premises and in private clouds, delivering secure messaging, file sharing, workflow automation, audio/screenshare, and project management—all with full data and operational control. Mattermost powers high-stakes workflows across mission planning, real-time, real-world operations, DevSecOps, incident response, and cyber defense—enabling secure collaboration from tactical edge and DDIL environments to enterprise HQ. Teams operate across web, desktop, and mobile, with embedded interoperability for Microsoft Teams, Outlook, and Microsoft 365. To learn more, visit www.mattermost.com Mattermost is hiring a GRC Manager to own and modernize our governance, risk, and compliance program across both federal and commercial markets. This is a program-ownership role for someone who brings a modern, engineering-led approach to compliance — harnessing GRC engineering and AI to reduce manual effort and scale our programs. You will own Mattermost's compliance posture end to end, accountable for our federal readiness and commercial certifications, and you will modernize how we run them: automated, continuously monitored, and AI-native. You will do the hands-on compliance work while coordinating across internal stakeholders in engineering, infrastructure, and IT who implement controls, the external auditors who assess them, and the customers whose trust rests on the outcome. As the program scales, you will grow and lead the team behind it. What You'll Do Own and modernize Mattermost's compliance programs across federal and commercial markets Lead readiness, certification, and surveillance cycles across both programs Operate the risk management program end to end — from identification and assessment through treatment and acceptance Own the third-party and vendor risk management program, including security assessments and supply chain risk Apply GRC engineering and automation to replace manual evidence collection with continuous controls monitoring Build AI-native workflows to accelerate and improve the quality of recurring compliance work Maintain the control library, system security plans, POA&Ms, and policies Coordinate external audits from scoping through remediation Accelerate deal cycles by owning customer security questionnaires, trust center content, and reusable compliance artifacts Grow and lead the GRC team as the program scales What We're Looking For Bachelor's degree in computer science, information security, or related field — or significant professional GRC and compliance experience Proven senior-level experience in governance, risk, and compliance, security compliance, or IT audit, including direct ownership of a certification or authorization program Experience with U.S. Federal standards including CMMC and NIST series (800-171 / 800-53) Experience with ISO 27001 and SOC 2 Type II Experience operating a formal risk management program Experience running a third-party and vendor risk management program Experience owning customer-facing security assurance, including security questionnaires and trust center content Working knowledge of security controls for cloud environments (AWS, GCP, and/or Azure) Excellent written and verbal communication skills Nice to Have Professional GRC certifications such as CISA, CRISC, CISM, CISSP, or CIPP Experience working with AI platforms such as Claude, OpenAI, or Gemini Experience with compliance automation tooling such as Vanta or Drata, and continuous controls monitoring Direct experience applying AI or LLM-based workflows to GRC tasks Proficiency in no-code automation or scripting languages Past success in critical infrastructure industries including defense, cybersecurity, communications, or manufacturing How Success Is Measured CMMC Level 2 gap assessment and readiness roadmap delivered within first 90 days SOC 2 Type II and ISO 27001 audit cycles completed on time without slippage Manual evidence collection replaced with automated, continuously monitored controls Customer security questionnaires and trust center content maintained to unblock deal cycles GRC team grown and operating as a scalable, program-driven function Why Mattermost Mission-driven work: Your contributions directly support the organizations and missions that depend on secure, reliable collaboration Remote-first culture: Work from anywhere with a globally distributed, high-trust team built for autonomy and ownership Open source at the core: Be part of a vibrant developer community shaping the future of secure collaboration AI-forward environment: We actively adopt and build AI-enabled workflows — you'll work with and on cutting-edge tooling Unique scope: Own the compliance program end to end across both federal and commercial markets at a high-growth Series B company Target Salary Range: $139,254-$168,318 Mattermost takes a market-based approach to pay and pay may vary depending on your location. The successful candidate’s starting pay will be determined based on job-related skills, experience, qualifications, work location, and market conditions. These ranges may be modified in the future. Mattermost offers a remote-first work environment with medical, dental, and vision coverage. You’ll also receive unlimited PTO plus company holidays, a work from home stipend, an annual learning and development budget for conferences, certifications, and courses, paid parental leave for all parents, and a 401(k) plan. U.S. Eligibility & Compliance This role requires U.S. citizenship. Candidates must be located in the United States and eligible to obtain and maintain a U.S. government security clearance. For more information visit Security Clearances — United States Department of State Applicants must meet eligibility requirements for access to export-controlled information as defined by U.S. export control laws, including EAR and ITAR. For more information visit the Bureau of Industry and Security and the Directorate of Defense Trade Controls . Mattermost is an EEO Employer, we are a remote-first, open-source company. We are continually working to expand our hiring in more countries and regions, ensuring compliance with local laws and regulations, which takes time. Mattermost values your unique perspective—we welcome all applicants. We encourage individuals from all backgrounds to apply and are committed to assessing candidates based on their skills and qualifications. We do not tolerate discrimination against staff or applicants based on race, religion, national origin, age, disability, pregnancy status, veteran status, or other personal characteristics. If you require accommodations during the interview process, please let us know—we’re happy to assist.