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Location: Torrance, United States As a Flight Software Engineer, you will play a key role in designing, developing, and testing flight software that powers these advanced systems. You'll work closely with multidisciplinary teams to deliver high-performance, real-time embedded software that operates reliably under extreme conditions. This is a hands-on role for an engineer who thrives on solving hard problems, building robust systems from the ground up, and moving fast without compromising quality. RESPONSIBILITIES Design, develop, and test real-time embedded flight software for missile systems Collaborate with GNC engineers, systems engineers, and hardware teams to ensure seamless integration Implement and maintain software for high-reliability, safety-critical environments Support simulation, hardware-in-the-loop (HIL), and flight testing to validate performance Participate in root cause analysis and debugging across software and system interfaces Follow rigorous software lifecycle practices, including configuration management and verification Contribute to defining and improving development processes, tools, and standards Stay informed on emerging technologies and best practices relevant to flight software and real-time systems BASIC QUALIFICATIONS Bachelors or Master's degree in Computer Science, Electrical Engineering, Aerospace Engineering, or related field Experience: Open to candidates across all experience levels, from early-career engineers to senior technical contributors. Professional experience, internships, research, open-source contributions, or other hands-on technical work will be considered. Proficiency in C/C++ and experience with real-time operating systems (RTOS) Familiarity with hardware/software integration and real-time system constraints Experience working with GNC systems or similar control-intensive applications Strong understanding of testing practices including simulation and HIL environments Excellent problem-solving skills and attention to detail Ability to work effectively in a fast-paced, multidisciplinary team environment Active or eligible for a Top-Secret security clearance PREFERRED SKILSS AND EXPERIENCE Experience developing flight software for missile, launch vehicle, or spacecraft systems Exposure to FPGA-based systems and embedded software optimization techniques Knowledge of secure software development and cybersecurity best practices Familiarity with agile or iterative development methodologies Hands-on experience with software verification, validation, and integration in defense environments

Location: Torrance, United States As an Embedded Software Engineer you will be at the forefront of creating, developing, and testing the software that drives and simulates our flight systems. Your role involves close collaboration with fellow Client's engineers across software and hardware domains to implement and debug software across the entire technology stack from applications and operating systems to networking, firmware, and simulation, ensuring complete mission success. We seek intelligent, collaborative, an driven engineers of all levels who are passionate about problem-solving and eager to contribute to an extraordinary mission. If you thrive in challenging environments and are excited by the prospect of making a tangible impact, we want to hear from you. RESPONSIBILITIES Autonomous Systems: Design and implement reliable autonomous software systems, along with the simulations required to validate their precision and dependability. Comprehensive Software Development: Manage the entire software development process, from initial design, prototyping, and testing, to final integration and deployment for mission-critical applications. System Testing: Evaluate test outcomes and troubleshoot issues necessitating detailed investigations, including hands-on integration and debugging of hardware/software systems. Develop tools to facilitate testing across various environments: virtualized hardware, real hardware-in-the-loop, and vehicle-in-the-loop testing. COLLABORATION Partner with multidisciplinary engineering teams to brainstorm, design, and develop next-generation hypersonic missile capabilities, including advanced guidance algorithms and integrated seeker image processing. Project Leadership: Lead major projects that propel Client's mission forward, ensuring alignment with overall objectives and occasionally traveling to launch and customer sites for testing and operations. Enhance Standards and Practices: Continuously improve software standards and best practices within the software team, fostering an environment of ongoing improvement and innovation. BASIC QUALIFICATIONS Educational Background: Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or a related STEM field, or equivalent practical experience. Experience: Open to candidates across all experience levels, from early-career engineers to senior technical contributors. Professional experience, internships, research, open-source contributions, or other hands-on technical work will be considered. Technical Proficiency: Experience with systems programming in languages such as C++, Python, or Rust, and familiarity with Linux-based development environments. Experience may include work with low-level systems such as Linux kernel development, hardware interfaces, or driver development (e.g., UART, I2C, or similar peripherals). PREFERRED SKILLS AND EXPERIENCE Programming Expertise : Proven proficiency in C++, Rust, or similar systems programming languages. System Experience: Practical experience with real-time embedded systems or distributed computing environments in Linux-based systems, including developing high-quality Linux-based C++ software for common processors and microcontrollers (e.g., PowerPC, x86, ARM). TECHNICAL SKILLS Proficiency in Linux, including Bash shell scripting, network troubleshooting, and performance analysis (strace, ftrace, etc.), with strong skills in debugging, performance optimization, and unit testing. System Knowledge: Comprehensive understanding of computer architecture and networking protocols (TCP, UDP, etc.). Problem-Solving: Innovative problem-solving approach using first-principles thinking, including developing prototypes to validate key design concepts and quantify technical constraints.

Location: Torrance, United States 📍 Location: Torrance, CA 📄 Employment Type: Full-Time 🏢 Work Arrangement: 100% On-site, Monday–Friday 🚀 Start Date: TBD 💰 Compensation: TBD — based on skills and experience Important Screening Requirements Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or a related STEM field , or equivalent practical experience. Open to candidates across experience levels, including early-career engineers and senior technical contributors . Experience with systems programming using C++, Python, Rust, or similar languages . Familiarity with Linux-based development . Experience with low-level systems, hardware interfaces, or embedded software. Must be able to work on-site in Torrance, CA . U.S. work authorization and export-control eligibility requirements may apply. Security clearance or other U.S. Government authorization may be required depending on the position. Embedded Software Engineer- JD About the Role We are seeking Embedded Software Engineers to develop, test, and integrate software that drives and simulates advanced flight systems. The role spans multiple layers of the technology stack, including applications, operating systems, networking, firmware, and simulation . Engineers will work closely with hardware and software teams to build and debug mission-critical systems. Embedded Software Engineer- JD What We’re Looking For We’re looking for engineers at all experience levels who enjoy working close to the hardware , solving difficult systems problems, and building reliable software for complex flight systems. Embedded Software Engineer- JD Key Responsibilities Design and implement reliable autonomous software systems. Develop simulations used to validate software precision and system dependability. Participate throughout the software development lifecycle, from design and prototyping through testing, integration, and deployment . Evaluate test results and troubleshoot complex hardware/software issues. Perform hands-on integration and debugging across software and hardware systems. Develop tools supporting virtualized hardware, hardware-in-the-loop, and vehicle-in-the-loop testing . Collaborate with multidisciplinary engineering teams on advanced flight-system capabilities. Contribute to guidance algorithms and integrated seeker image-processing efforts. Lead major software projects when appropriate. Support testing and operations at launch or customer sites when required. Improve software standards, development practices, and engineering processes. Embedded Software Engineer- JD Required Qualifications Bachelor’s degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or related STEM field, or equivalent practical experience. Experience with systems programming in C++, Python, Rust, or similar languages . Familiarity with Linux-based development. Understanding of low-level systems programming and hardware interfaces. Experience with interfaces such as UART and I2C is valuable. Strong problem-solving and debugging skills. Ability to work effectively in a multidisciplinary engineering environment. Embedded Software Engineer- JD Preferred Qualifications Strong C++ or Rust experience. Real-time embedded or distributed computing experience. Experience with Linux systems. Experience working with PowerPC, x86, ARM, or similar architectures . Bash, networking, and performance-analysis tools. Experience with debugging, performance optimization, and unit testing. Knowledge of TCP/UDP networking . Experience building prototypes from first principles. Embedded Software Engineer- JD

Location: Torrance, United States We are hiring experienced Avionics Hardware Engineers to specialize in high-speed digital design, flight computer architecture, and advanced avionics hardware development across our avionics organization. This role is ideal for engineers with deep EE fundamentals and hands-on ownership experience designing complex embedded hardware for mission-critical systems. Engineers in this role focus on flight computer architecture, high-speed digital board design, system bring-up, and hardware validation across real flight hardware. The ideal candidate has experience owning complex board designs from architecture through integration and thrives in fast-paced hardware development environments. RESPONSIBILITIES Design and develop advanced board-level electrical hardware including schematic capture, PCB layout oversight, component selection, and interface definition. Own high-speed digital and embedded flight computer architectures including processors, memory systems, and board-level integration Perform board bring-up, validation, debugging, and root-cause analysis in the lab Test reference boards and early prototypes using standard lab equipment Drive signal integrity, power integrity, and hardware reliability considerations throughout the design lifecycle Work with avionics, embedded software, test, and manufacturing teams to iterate designs quickly Support hardware/software integration and troubleshooting across avionics platforms Document designs, test results, and engineering changes clearly BASIC QUALIFICATIONS Bachelor's degree in electrical engineering or related field Strong experience with complex digital or mixed-signal hardware design Experience with high-speed digital systems, embedded processors, memory interfaces, and board-level architecture Experience with PCB design tools (Altium preferred) Hands-on experience with oscilloscopes, logic analyzers, and power supplies Strong understanding of core EE principles including digital systems, signal integrity, power distribution, and hardware debugging Comfortable working in a fast-paced, highly collaborative environment PREFERRED QUALIFICATIONS Experience owning flight computer, avionics, or embedded compute hardware architectures Experience taking complex PCBAs from concept through bring-up, validation, and integration Exposure to embedded systems, firmware, or FPGA interaction Familiarity with aerospace, automotive, robotics, defense, or other high-reliability hardware environments Familiarity with interfaces such as Ethernet, SPI, I2C, UART, CAN, PCIe, or DDR memory systems Basic scripting or programming experience (Python, C/C++)

Location: United States As a Senior Thermal Engineer, you will own the thermal engineering methodology across our missile systems. You will define thermal architectures, develop high-fidelity thermal models, and use first-principles analysis, simulation, and hardware testing to ensure our vehicles perform reliably in some of the most demanding thermal environments imaginable. You'll work across aerodynamics, structures, electrical, propulsion, systems, manufacturing, and test engineering to develop integrated thermal solutions from concept through flight. Your work will span transient mission analysis, electronic unit thermal management, specialized ground testing, and flight-test instrumentation and data analysis. This role is ideal for an engineer who enjoys moving fluidly between analytical models, real hardware, and flight data—and who wants to directly influence vehicle architecture and design decisions from day one. Responsibilities: Thermal design and analysis of unmanned air vehicles at conceptual, preliminary, and detailed design maturities Define thermal system architectures and material selection strategies for vehicles operating in demanding flight environments Thermal analysis of flight vehicles using standard thermal analysis codes and engineering/hand methods Transient thermal analysis for time-varying mission profiles Ground test planning, execution, and analysis in specialized thermal test facilities Flight test planning, execution, and post-flight thermal data analysis Use first principles and MATLAB/Python models to inform design decisions Collaborate with aerodynamics, structures, electrical, and systems engineers on integrated solutions Present thermal status at formal reviews internally and with customers Prepare formal documentation (specifications, test procedures, technical reports) Basic Qualifications: BS or higher degree in Aerospace Engineering, Mechanical Engineering, or Applied Physics In-depth understanding of heat transfer, fluid dynamics, and high-temperature environments 5+ years of experience in aerospace thermal engineering on rocket, spacecraft, aircraft, or missile programs Experience with electronic unit thermal analysis and control to component junctions Ground testing experience with thermal instrumentation and data acquisition Strong programming skills in MATLAB, Python, or similar for tool development Experience preparing formal documentation CAD experience with SolidWorks or Siemens NX Ability to obtain and hold a U.S. security clearance Preferred Skills and Experience: MS or higher degree in Aerospace Engineering, Mechanical Engineering, or Applied Physics with focus on heat transfer and fluid dynamics Experience with material ablation response modeling in extreme thermal environments Knowledge of material degradation and surface phenomena under demanding conditions Experience with specialized thermal ground test facilities Flight test experience including instrumentation design and post-flight analysis Experience with Thermal Desktop/SINDA Experience with manufacturing and assembly of thermal systems Active U.S. security clearance

Location: United States As a Flight Software Engineer, you will play a key role in designing, developing, and testing flight software that powers these advanced systems. You'll work closely with multidisciplinary teams to deliver high-performance, real-time embedded software that operates reliably under extreme conditions. This is a hands-on role for an engineer who thrives on solving hard problems, building robust systems from the ground up, and moving fast without compromising quality. Responsibilities: Design, develop, and test real-time embedded flight software for missile systems Collaborate with GNC engineers, systems engineers, and hardware teams to ensure seamless integration Implement and maintain software for high-reliability, safety-critical environments Support simulation, hardware-in-the-loop (HIL), and flight testing to validate performance Participate in root cause analysis and debugging across software and system interfaces Follow rigorous software lifecycle practices, including configuration management and verification Contribute to defining and improving development processes, tools, and standards Stay informed on emerging technologies and best practices relevant to flight software and real-time systems Basic Qualifications: Bachelors or Master's degree in Computer Science, Electrical Engineering, Aerospace Engineering, or related field Experience: Open to candidates across all experience levels, from early-career engineers to senior technical contributors. Professional experience, internships, research, open-source contributions, or other hands-on technical work will be considered. Proficiency in C/C++ and experience with real-time operating systems (RTOS) Familiarity with hardware/software integration and real-time system constraints Experience working with GNC systems or similar control-intensive applications Strong understanding of testing practices including simulation and HIL environments Excellent problem-solving skills and attention to detail Ability to work effectively in a fast-paced, multidisciplinary team environment Active or eligible for a Top-Secret security clearance Preferred Skills and Experience: Experience developing flight software for missile, launch vehicle, or spacecraft systems Exposure to FPGA-based systems and embedded software optimization techniques Knowledge of secure software development and cybersecurity best practices Familiarity with agile or iterative development methodologies Hands-on experience with software verification, validation, and integration in defense environments

Location: United States As an Embedded Software Engineer you will be at the forefront of creating, developing, and testing the software that drives and simulates our flight systems. Your role involves close collaboration with fellow client engineers across software and hardware domains to implement and debug software across the entire technology stack from applications and operating systems to networking, firmware, and simulation, ensuring complete mission success. We seek intelligent, collaborative, and driven engineers of all levels who are passionate about problem-solving and eager to contribute to an extraordinary mission. If you thrive in challenging environments and are excited by the prospect of making a tangible impact, we want to hear from you. Responsibilities: Autonomous Systems: Design and implement reliable autonomous software systems, along with the simulations required to validate their precision and dependability. Comprehensive Software Development: Manage the entire software development process, from initial design, prototyping and testing, to final integration and deployment for mission-critical applications. System Testing: Evaluate test outcomes and troubleshoot issues necessitating detailed investigations, including hands-on integration and debugging of hardware/software systems. Develop tools to facilitate testing across various environments: virtualized hardware, real hardware-in-the-loop, and vehicle-in-the-loop testing. Collaboration: Partner with multidisciplinary engineering teams to brainstorm, design, and develop next-generation hypersonic missile capabilities, including advanced guidance algorithms and integrated seeker image processing. Project Leadership: Lead major projects that propel Client's mission forward, ensuring alignment with overall objectives and occasionally traveling to launch and customer sites for testing and operations. Enhance Standards and Practices: Continuously improve software standards and best practices within the software team, fostering an environment of ongoing improvement and innovation. Basic Qualifications: Educational Background: Bachelor's degree in Computer Science, Computer Engineering, Electrical Engineering, Mathematics, or a related STEM field, or equivalent practical experience. Experience: Open to candidates across all experience levels, from early-career engineers to senior technical contributors. Professional experience, internships, research, open-source contributions, or other hands-on technical work will be considered. Technical Proficiency: Experience with systems programming in languages such as C++, Python, or Rust, and familiarity with Linux-based development environments. Experience may include work with low-level systems such as Linux kernel development, hardware interfaces, or driver development (e.g., UART, I2C, or similar peripherals). Preferred Skills and Experience: Programming Expertise: Proven proficiency in C++, Rust, or similar systems programming languages. System Experience: Practical experience with real-time embedded systems or distributed computing environments in Linux-based systems, including developing high-quality Linux-based C++ software for common processors an microcontrollers (e.g., PowerPC, x86, ARM). Technical Skills: Proficiency in Linux, including Bash shell scripting, network troubleshooting, and performance analysis (strace, ftrace, etc.), with strong skills in debugging, performance optimization, and unit testing. System Knowledge: Comprehensive understanding of computer architecture and networking protocols (TCP, UDP, etc.). Problem-Solving: Innovative problem-solving approach using first-principles thinking, including developing prototypes to validate key design concepts and quantify technical constraints

Location: United States We are hiring Avionics Hardware Engineers to own flight critical electronics across design, bring up, test, and integration. This role is intended for engineers with experience in complex electronic systems who can take responsibility for avionics subsystems and operate effectively in a high tempo development environment. Engineers in this role may own areas such as motor controllers, avionics backplanes, power distribution, or outward facing avionics test and integration. Responsibilities: Own avionics hardware from architecture and schematic design through PCB layout, bring-up, and production support Drive design decisions including component selection, interfaces, and system tradeoffs Lead hardware bring-up, debugging, and root-cause analysis across lab, integration, and flight test Collaborate cross-functionally to ensure avionics hardware meets performance, reliability, and mission requirements Define and execute hardware validation strategies appropriate to development and flight maturity Produce clear technical documentation covering designs, test results, and engineering changes Partner with manufacturing and suppliers to transition hardware from prototype to production Continuously improve designs based on test results, field data, and evolving requirements Basic Qualifications: Bachelor's degree in electrical engineering or related field Proven end-to-end ownership of avionics or high reliability electronic hardware Strong experience with PCB design, bring up, and lab debugging Ability to operate autonomously and drive hardware issues to closure Preferred Qualifications: Avionics, aerospace, missile, space, automotive, or defense hardware experience Experience with motor controllers, backplanes, power electronics, or flight hardware Familiarity with MILSTD or aerospace hardware standards (e.g., DO254 exposure) Embedded systems or FPGA adjacent hardware experience Experience supporting hardware in integration, test, or flight environment

Location: United States We are hiring experienced Avionics Hardware Engineers to specialize in high-speed digital design, flight computer architecture, and advanced avionics hardware development across our avionics organization. This role is ideal for engineers with deep EE fundamentals and hands-on ownership experience designing complex embedded hardware for mission-critical systems. Engineers in this role focus on flight computer architecture, high-speed digital board design, system bring-up, and hardware validation across real flight hardware. The ideal candidate has experience owning complex board designs from architecture through integration and thrives in fast-paced hardware development environments. Responsibilities: Design and develop advanced board-level electrical hardware including schematic capture, PCB layout oversight, component selection, and interface definition Own high-speed digital and embedded flight computer architectures including processors, memory systems, and board-level integration Perform board bring-up, validation, debugging, and root-cause analysis in the lab Test reference boards and early prototypes using standard lab equipment Drive signal integrity, power integrity, and hardware reliability considerations throughout the design lifecycle Work with avionics, embedded software, test, and manufacturing teams to iterate designs quickly Support hardware/software integration and troubleshooting across avionics platforms Document designs, test results, and engineering changes clearly Basic Qualifications: Bachelor's degree in electrical engineering or related field Strong experience with complex digital or mixed-signal hardware design Experience with high-speed digital systems, embedded processors, memory interfaces, and board-level architecture Experience with PCB design tools (Altium preferred) Hands-on experience with oscilloscopes, logic analyzers, and power supplies Strong understanding of core EE principles including digital systems, signal integrity, power distribution, and hardware debugging Comfortable working in a fast-paced, highly collaborative environment Preferred Qualifications: Experience owning flight computer, avionics, or embedded compute hardware architectures Experience taking complex PCBAs from concept through bring-up, validation, and integration Exposure to embedded systems, firmware, or FPGA interaction Familiarity with aerospace, automotive, robotics, defense, or other high-reliability hardware environments Familiarity with interfaces such as Ethernet, SPI, I2C, UART, CAN, PCIe, or DDR memory systems Basic scripting or programming experience (Python, C/C++

Location: Montreal, Canada ROLE OVERVIEW Our client is seeking a CONOPS and Mission Analysis System Engineer to own the definition, development and documentation of CONOPS, mission scenarios, operational concepts and quantitative mission analyses for current and next‑generation earth observation and communications satellite missions. The engineer will work closely with customers, prime contractors and internal multidisciplinary teams to translate stakeholder needs into clear, traceable operational concepts that guide system architecture, requirements allocation, risk assessment and program planning . Requirements & Systems Engineering Capture stakeholder functional, performance, environmental, and security requirements. Conduct workshops and trade studies to define mission needs. Translate mission objectives into system-level requirements with full traceability. Define and manage spacecraft, payload, and ground-segment interfaces (ICDs, data flows). CONOPS & Mission Analysis Develop and maintain the Concept of Operations (CONOPS) covering all mission phases. Produce supporting artifacts (timelines, scenarios, flow diagrams). Perform mission modeling and analysis (orbit, coverage, link budget, resources). Evaluate architectural trade-offs (orbit, constellation, payload) across cost, risk, and performance. Integration, Verification & Program Support Develop verification plans, test matrices, and validation procedures. Support system integration, IVV activities, and operational readiness. Present technical results at key reviews (SRR, PDR, CDR, ORR). Maintain configuration control within PLM tools. Support B&P activities and technology roadmapping. Operations & On-Orbit Support Support mission operations during critical phases. Monitor telemetry, analyze performance, and update models/CONOPS as missions evolve. Assist with contingency handling, SOOH development, and operator training. Leadership & Collaboration Lead trade studies and coordinate cross-functional teams. Communicate risks and technical status to management and customers. Mentor junior engineers and contribute to process improvement initiatives. Qualifications B.Sc. in Aerospace, Electrical Engineering, or Physics with 8+ years in LEO/MEO mission planning & operations. Strong foundation in systems engineering, orbit mechanics, and space environment. Hands-on integration and troubleshooting experience. Experience with Confluence and JIRA. Strong analytical, communication, and independent working skills. English required; French is an asset.

Location: Montreal, Canada ON-SITE IN MONTREAL IS PREFERRED; REMOTE OR HYBRID IS POSSIBLE FOR THE RIGHT CANDIDATE. Open for candidates in Canada as well as the US Tasks Contribute to the system architecture design of advanced digital telecom payloads. Support system-level performance and functional analysis , including link budgets and signal routing paths. Participate in Failure Detection, Isolation, and Recovery (FDIR) strategy development and analysis. Assist in RF signal analysis and system-level integration activities. Contribute to the creation and maintenance of payload performance budgets . Support requirements derivation, traceability, and management across subsystems. Collaborate with cross-functional teams to define interfaces and ensure end-to-end system performance. Participate in design reviews, technical documentation, test planning, and troubleshooting throughout the development lifecycle. Must haves Bachelor’s or Master’s degree in Electrical Engineering, Telecommunications, or a related field. 2–5 years of experience in space systems, satellite communications, or a related discipline. Foundational knowledge of digital signal processing , RF systems , and telecommunications architectures . Relevant Experience with testing of satellite subsystems. Strong attention to detail, analytical mindset, and team-oriented approach. Effective communication and technical documentation skills. Must be eligible to work in Canada and capable of obtaining necessary security clearance. Complementary skills/knowledge Previous experience in Space and/or Constellation Operations Knowledge of requirements Management tools such as DOORS/Windchill/Jama Demonstrated capability to efficiently work autonomously and with little to no supervision Strong written and verbal communications skills in English, knowledge of French will be considered favorably

Location: Montreal, Canada An experienced EMC/EMI system engineer (SME) with experience on conducted and radiated EMC/EMI analysis & tests at satellite level (for commercial application) to: Lead and produce system level analysis with pertinent hands-on experience and understanding/considering: Mission requirements (frequency bands of operation, type of payloads, coupling between antennas) Unit specs Spacecraft cavity geometry, MLI location, units’ arrangement on spacecraft panels Coupling effects between DC, RF connections and units Spacecraft Panel shielding effectiveness Support writing/reviewing the EMC/EMI satellite test plan Analysis to produce: CE/CS analysis (satellite auto-compatibility) RE/RS RF analysis (Satellite auto compatibility) RE/RS analysis (Launch Vehicle compatibility) Magnetic analysis Surface charging analysis (satellite level) Internal charging analysis (satellite level)

Location: Long Beach, United States Your Mission on the Team: You will be responsible for the overall design and development of satellites for the Meridian Space constellation, from concept through on-orbit operation. This includes top level design, risk and cost assessment, systems engineering, testing and operations. As part of a small team tackling ambitious challenges, you’ll take full ownership of satellite performance in orbit - driving each phase of development to ensure mission success and dependable service delivery. Basic Qualifications: 5+ years professional design/development experience in satellite systems. Proven experience as a leader on at least one satellite program. Skill in using and creating software tools to model systems performance across a variety of disciplines (MATLAB, Python, Excel, etc.) Strong understanding of satellite technologies, design principles, and concepts of operations Bachelor’s degree in aerospace engineering or related field Strong interpersonal, verbal, and written communication skills Preferred Qualifications: 10+ years professional design/development experience in satellite systems Master's degree in Electrical or Systems Engineering, or related field Previous experience with spacecraft and/or space mission top level design Previous work on small LEO satellites Breadth of experience leading satellite systems development and testing Experience with creating satellite simulations and models Satellite operations experience

Location: Montreal, Canada Role overview: Our client is seeking a Satellite Bus System Engineer to design structural, thermal, power distribution, attitude control, propulsion, CD&H, TT&C/PDT, FSW and interface architecture that supports payloads and mission‑operations for current and next‑generation remote sensing and communications satellites. The role leads the definition, design, integration, verification and on‑orbit support of the platform subsystems, ensuring compliance to mission requirements and our client's best‑practice processes. Tasks summary: Architecture Concept & Requirements Translate mission‑level requirements (CONOPs, mass, volume, power, envelope, pointing, lifetime, redundancy, reliability…etc.) into system requirements and allocate them to platform subsystems (structures, TCS, EPS, GNC, PROP, C&DH, TT&C/PDT, FSW). Develop the Platform Architecture Description Document, Interface Control Documents (ICD) and Design Description. Perform requirement management and maintain bidirectional traceability throughout the program life cycle. Lead trade studies for structural approach, thermal control concepts (MLI, heat pipes, radiators…etc.), power generation options (e.g. solar array & battery technologies). Concept Trade & Feasibility Detailed Design Oversee detailed design of all major subsystems (structures, TCS, EPS, PROP, C&DH, C&T, GNC, payload interfaces). Conduct failure‑mode‑effects‑analysis (FMEA) in support to FDIR, fault‑tree analysis and reliability & availability predictions. Ensure compliance with mission requirement and payload specifics. Maintain platform level performance budgets Support FSW and Satellite Reference Database developments Cross‑Functional Coordination, Stakeholder & Program Interaction Present technical status, risk analyses, and trade‑study results to senior management. Negotiate and maintain ICDs with payload and all platform subsystems. Support to DC & RF harness design, Platform and Payload layout. Support B&P (Phase 0 & pre-phase A). Integration & Verification (IVV) Author verification plans, test matrices, and validation procedures for unit, subsystem, and platform level tests. Coordinate, supervise or support: o  Structural vibration, acoustic & shock testing o TCT & Thermal vacuum testing o  Power distribution functional test o  Closed‑loop test on avionic testbed Support FSW integration Technical Leadership & Mentorship Mentor, guide, lead a multidisciplinary team of junior or intermediate system engineers & interns Act as technical liaison with customers, partners and external vendors Act as Continuous Improvement stakeholder Contribute to client’s knowledge‑base, process enhancements, and standards development. Configuration, Documentation & Standards Management Maintain platform‑wide standards (structural margin, thermal‑control, power‑bus architecture, redundancy philosophy…etc.). Ensure all artefacts, analysis, software, documentations and deliverables are version controlled in PLM environment. Support design reviews (SRR, PDR, CDR, MRR/TRR…etc.). Support Technology Road‑Mapping & Innovation Launch‑Site, On‑Orbit & Operations Support Support launch‑site interface checklists with LVI responsible engineer, pre‑launch checkout procedures, and early‑orbit checkout scripts. Provide real‑time platform engineering support during launch, on‑orbit commissioning, anomaly investigations and contingency operations. Support SOOH development and associated operator training. Required Qualifications: B.Sc. in Electrical Engineering, Aerospace or Physics with 10 + years of system design experience on LEO/MEO/GEO platforms. Deep knowledge of spacecraft bus subsystems and their interactions. Experience with power‑electronics design and high‑precision attitude‑control hardware. Strong understanding of aerospace system engineering fundamentals Hands-on individual who can support systems integration processes and capability to test systems and resolve problems Experience with Confluence and JIRA Demonstrated capability to efficiently work with little supervision Ability to distill complex problems to fundamentals to solve with analysis, similarity, or creativity Demonstrate excellent written and oral communication skills in English; knowledge of French will be considered an asset (Contact with clients outside Quebec and work on deliverables in English).

Location: Montreal, Canada 📍 Location: Montreal, Quebec, Canada 📄 Employment Type: Contract-to-Permanent (Preferred) / Contract 🏢 Work Arrangement: Remote 🚀 Start Date: Immediate 💰 Compensation: TBD -- based on skills and experience Important Screening Requirements Must be legally authorized to work in Canada . Must be eligible to obtain the required security clearance. This position offers remote set-up for US and Canadian Citizen and provides relocation assistance for Europeans. Contract-to-permanent candidates are strongly preferred , although pure contract candidates will also be considered. English proficiency is required. French is considered an asset. About the Role We are seeking an experienced Synthetic Aperture Radar (SAR) Payload Engineer to support the development, integration, and testing of advanced SAR remote sensing payloads for LEO and MEO satellite missions. In this role, you will collaborate with multidisciplinary engineering teams to design, integrate, and validate high-performance radar payload systems while ensuring mission requirements are met throughout the development lifecycle. The ideal candidate has extensive experience in SAR systems, satellite payload integration, and aerospace systems engineering. Key Responsibilities Support the design, development, integration, and testing of Synthetic Aperture Radar (SAR) payload systems. Define and manage system requirements, interface control documents (ICDs), and technical specifications. Support payload integration, verification, validation, and troubleshooting activities. Develop technical documentation, including requirements, test procedures, risk assessments, and engineering reports. Collaborate with customers, suppliers, and multidisciplinary engineering teams throughout the project lifecycle. Participate in system design reviews, trade studies, and technical analyses. Support payload performance evaluation and system optimization. Utilize Confluence and JIRA to support engineering documentation and project execution. Required Qualifications Bachelor's degree in Electrical Engineering, Computer Science, Physics , or a related field. 10+ years of experience supporting Synthetic Aperture Radar (SAR) remote sensing system development, integration, and testing for LEO and/or MEO satellite missions . Strong understanding of aerospace systems engineering principles. Hands-on experience supporting system integration, testing, troubleshooting, and issue resolution. Strong technical writing skills, including requirements, ICDs, test procedures, and risk documentation. Experience using Confluence and JIRA . Ability to work independently and solve complex engineering problems through analytical and creative thinking. Excellent written and verbal communication skills in English . Preferred Qualifications French language proficiency. Experience supporting end-to-end SAR payload development for commercial or government satellite programs. Strong background in satellite payload integration, remote sensing systems, and mission verification. Experience working on advanced Earth observation or spaceborne radar missions.

Location: United States Location & Work Arrangement Costa Mesa, CA (On-Site) preferred Remote opportunities may be considered for exceptionally strong candidates located elsewhere in the U.S. Employment Details Contract: 6 months, with potential for extension or conversion to a permanent position Target Bill Rate: Up to $120/hour Requirements Must be a U.S. Citizen Must be eligible to obtain and maintain a Top Secret security clearance WHAT YOU'LL DO Thermal design and analysis of unmanned air vehicles at conceptual, preliminary, and detailed design maturities Define thermal system architectures and material selection strategies for vehicles operating in demanding flight environments Thermal analysis of flight vehicles using CFD, FEA, and engineering methods Material response modeling under combined thermal and mechanical loads Transient thermal analysis for time-varying mission profiles Ground test planning, execution, and analysis in specialized thermal test facilities Flight test planning, execution, and post-flight thermal data analysis Use first principles and MATLAB/Python models to inform design decisions Collaborate with aerodynamics, structures, electrical, and systems engineers on integrated solutions Present thermal status at formal reviews internally and with customers Prepare formal documentation (specifications, test procedures, technical reports) REQUIRED QUALIFICATIONS MS or higher degree in Aerospace Engineering, Mechanical Engineering, or Applied Physics with focus on heat transfer and fluid dynamics In-depth understanding of heat transfer, fluid dynamics, and high-temperature environments 5+ years of experience in aerospace thermal engineering on rocket, aircraft, or missile programs Experience with thermal analysis in high-speed flight regimes Thermal analysis experience using CFD (STAR-CCM+, ANSYS Fluent) and/or FEA thermal solvers Experience with thermal-structural coupling Ground testing experience with thermal instrumentation and data acquisition Strong programming skills in MATLAB, Python, or similar for tool development Experience preparing formal documentation CAD experience with SolidWorks or Siemens NX Passion for defending the United States and her allies Ability to obtain and hold a U.S. Top Secret security clearance PREFERRED QUALIFICATIONS Experience with material response modeling in extreme thermal environments Knowledge of material degradation and surface phenomena under demanding conditions Experience with specialized thermal ground test facilities Experience with chemical kinetics and finite-rate chemistry modeling Flight test experience including instrumentation design and post-flight analysis Experience with thermal-structural analysis codes (NASTRAN, Abaqus, ANSYS Mechanical) Material characterization experience at elevated temperatures Experience with manufacturing and assembly of thermal systems Active U.S. security clearance

Location: United States Location & Work Arrangement Costa Mesa, CA (On-site) preferred Remote opportunities may be considered for exceptionally strong candidates located elsewhere in the U.S. Employment Details Contract: 6 months, with potential for extension or conversion to a permanent position Target Bill Rate: Up to $120/hour Requirements Must be a U.S. Citizen Must be eligible to obtain and maintain a Top Secret security clearance What You'll Do · Own thermal design and analysis for integrated hardware products, including drones, aircraft, missiles, or related defense systems. · Use first-principles engineering judgment to determine the right level of analysis for each design decision, including hand calculations, spreadsheets, MATLAB / Python models, FEA, and CFD. · Define thermal architectures that can withstand rugged environments, demanding flight envelopes, and operational edge cases, including hot, cold, transient, and mission-specific thermal conditions. · Partner with electrical, mechanical, aerospace, software, and systems engineers to document power dissipation, operating modes, thermal constraints, and design tradeoffs. · Build and maintain thermal FEA / CFD models to predict system performance, establish design limits, and define red / yellow operating thresholds for test and field use. · Define and execute prototype builds and thermal tests, including CAD support, sensor selection, DAQ setup, data post-processing, and results documentation. · Present thermal status, risks, tradeoffs, timelines, and recommendations in internal design reviews and customer-facing technical reviews. · Develop internal tools, workflows, or analysis methods that improve speed, consistency, and quality of thermal decision-making. · Support failure reviews and root-cause investigations using test data, thermal analysis, and first-principles reasoning. Required Qualifications · MS or PhD in Mechanical Engineering, Aerospace Engineering, Applied Physics, or a related field with a focus on heat transfer, fluid dynamics, thermal sciences, or thermal systems. · 5+ years of experience designing, analyzing, or validating thermal systems for integrated hardware products. · Strong first-principles understanding of heat transfer and fluid dynamics, including conduction, convection, radiation, fluid flow, and transient thermal behavior. · Experience supporting thermal design for aerospace, aircraft, rocket, missile, UAV, defense, or other high-performance hardware systems. · Experience using thermal analysis, modeling, simulation, and/or physical test data to drive design decisions for passive or active thermal management systems. · Ability to communicate technical tradeoffs clearly across engineering, program, and customer stakeholders, and ability to obtain and maintain a U.S. Top Secret security clearance. Preferred Qualifications · Experience with thermal analysis tools such as STAR-CCM+, ANSYS, Icepak, Flotherm, or comparable FEA / CFD platforms. · Experience using MATLAB, Python, spreadsheets, or similar tools for first-order thermal modeling, transient analysis, or engineering trade studies. · Experience designing thermal hardware such as heat sinks, cold plates, fans, pumps, heat exchangers, thermal interface materials, liquid cooling systems, or air-cooling systems. · Experience planning or executing thermal tests, including sensor selection, data acquisition, data post-processing, and correlation of test results to analysis. · Experience with SolidWorks, Siemens NX, or comparable CAD tools. · Experience supporting formal design reviews, customer reviews, flight test, qualification testing, or fielded hardware. · Experience developing reusable analysis tools, automation workflows, reduced-order models, or other methods that improve analysis speed and consistency. · Strong motivation to support Client’s mission of defending the United States and allied partners.

Location: Costa Mesa, United States 📍 Location: Costa Mesa, California 📄 Employment Type: Contract-to-Perm 🏢 Work Arrangement: Remote Opportunity for Top Candidates 🚀 Start Date: TBD 💰 Compensation: TBD — based on skills and experience Important Screening Requirements Remote opportunity is open to qualified candidates within the United States . Relocation assistance is available to qualified candidates from other countries. 5+ years of experience designing, analyzing, or validating thermal systems for integrated hardware products. MS or PhD in Mechanical Engineering, Aerospace Engineering, Applied Physics, or a related field, with a focus on heat transfer, fluid dynamics, thermal sciences, or thermal systems. Strong first-principles understanding of heat transfer and fluid dynamics . Experience supporting thermal design for aerospace, aircraft, rocket, missile, UAV, defense, or other high-performance hardware . Experience with thermal analysis, modeling, simulation, and/or physical test data. Ability to communicate technical tradeoffs across engineering, program, and customer stakeholders. Ability to obtain and maintain a U.S. Top Secret security clearance , where required. About the Role We are seeking a Senior Thermal Engineer to own thermal design and analysis for advanced defense hardware across drones, aircraft, missiles, and related flight systems. This role is ideal for an engineer with deep expertise in heat transfer and fluid dynamics , strong thermal analysis capabilities, and the engineering judgment to select the appropriate level of analysis—from first-order hand calculations through detailed FEA and CFD—to support rapid and effective design decisions. You will work across multidisciplinary engineering teams to develop thermal architectures, evaluate system performance, support prototype testing, and drive thermal design decisions for demanding operating environments. What We’re Looking For We’re looking for a senior thermal engineer who can take ownership of thermal engineering from early design and analysis through testing and validation . The ideal candidate combines strong fundamentals in heat transfer and fluid dynamics with hands-on experience applying thermal analysis to complex, high-performance hardware. You should be comfortable working across disciplines, making engineering tradeoffs, troubleshooting thermal issues, and communicating technical recommendations to both engineering and customer stakeholders. Key Responsibilities Thermal Design & Analysis Own thermal design and analysis for integrated hardware products, including drones, aircraft, missiles, and related defense systems . Apply first-principles engineering judgment to determine the appropriate level of analysis for each design decision, including: Hand calculations Spreadsheets MATLAB/Python models FEA CFD Define thermal architectures capable of operating in rugged environments and demanding flight envelopes. Evaluate hot, cold, transient, and mission-specific thermal conditions . Cross-Functional Engineering Partner with electrical, mechanical, aerospace, software, and systems engineers to document: Power dissipation Operating modes Thermal constraints Design tradeoffs Build and maintain thermal FEA/CFD models to predict system performance, establish design limits, and define red/yellow operating thresholds for testing and field use. Prototype Testing & Validation Define and execute prototype builds and thermal tests. Support CAD activities, sensor selection, DAQ setup , data post-processing, and test-result documentation. Use test data and thermal analysis to validate designs and support engineering decisions. Technical Leadership & Continuous Improvement Present thermal status, risks, tradeoffs, timelines, and recommendations during internal design reviews and customer-facing technical reviews. Develop internal tools, workflows, and analysis methods that improve the speed, consistency, and quality of thermal decision-making. Support failure reviews and root-cause investigations using test data, thermal analysis, and first-principles engineering reasoning. Required Qualifications MS or PhD in Mechanical Engineering, Aerospace Engineering, Applied Physics, or a related field focused on heat transfer, fluid dynamics, thermal sciences, or thermal systems. 5+ years of experience designing, analyzing, or validating thermal systems for integrated hardware products. Strong first-principles understanding of: Conduction Convection Radiation Fluid flow Transient thermal behavior Experience supporting thermal design for aerospace, aircraft, rocket, missile, UAV, defense, or other high-performance hardware systems. Experience using thermal analysis, modeling, simulation, and/or physical test data to drive design decisions for passive or active thermal management systems. Ability to clearly communicate technical tradeoffs across engineering, program, and customer stakeholders. Ability to obtain and maintain a U.S. Top Secret security clearance , where required. Preferred Qualifications Experience with thermal analysis tools such as: STAR-CCM+ ANSYS Icepak FloTHERM Comparable FEA/CFD platforms Experience using MATLAB, Python, spreadsheets , or similar tools for first-order thermal modeling, transient analysis, or engineering trade studies. Experience designing thermal hardware such as: Heat sinks Cold plates Fans Pumps Heat exchangers Thermal interface materials Liquid cooling systems Air-cooling systems Experience planning or executing thermal tests, including sensor selection, data acquisition, data post-processing, and correlation of test results to analysis. Experience with SolidWorks, Siemens NX, or comparable CAD tools . Experience supporting formal design reviews, customer reviews, flight testing, qualification testing, or fielded hardware. Experience developing reusable analysis tools, automation workflows, reduced-order models, or other methods that improve analysis speed and consistency.