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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** QuEST Defense - **Location:** Los Angeles, CA, United States - **Experience:** Expert - **Salary:** $125,000.0 - $150,000.0 - **Contract:** Permanent contract - **Skills:** Computing Platforms, Systems Engineering, JIRA, Automation of Tests, Field-Programmable Gate Array (FPGA), Software Tools, Requirements Traceability, Software Requirements Analysis, System on a Chip, Systems Integration, Jama (Software), Scripting, Git, Information Technology, DO-178B - **Published:** August 11, 2026 - **Apply:** https://www.indeed.com/viewjob?jk=b3208c7208c9f4e7 ## About the Role * Bachelor's degree in Engineering, Computer Science, or another STEM discipline with 8+ years of relevant experience, or an advanced degree with 5+ years of relevant experience. * Strong Systems Engineering experience at the board, device, or embedded hardware/software level. * Experience supporting hardware/software integration for complex embedded or avionics systems. * Experience developing, capturing, validating, and maintaining system and high-level requirements, including software- and/or hardware-allocated requirements. * Working knowledge of safety-critical aerospace development standards, including ARP4754A/B, DO-254, and/or DO-178C. * Experience with system integration, verification, validation, and troubleshooting in a laboratory environment. * Ability to collaborate effectively across systems, hardware, software, and AEH/FPGA engineering disciplines. * Strong technical documentation and communication skills. * U.S. Citizenship required. Preferred / Differentiating Skills: * Previous experience working on Collins Aerospace programs, including familiarity with Collins engineering processes, requirements capture, and documentation practices. * Experience with System-on-Chip (SoC), processor-based, or other complex embedded computing platforms. * Strong understanding of DO-254, DO-178C, and ARP4754A/B development and certification processes. * Experience with avionics equipment certification and associated lifecycle documentation. * Hands-on experience working with and testing embedded hardware and software at the board or device level. * Experience developing concepts of operation, use cases, and detailed technical documentation. * Experience with Jama, Jira, and Git. * Experience developing automated tests or engineering tools using scripting languages. * Demonstrated ability to troubleshoot complex issues spanning hardware, software, and systems engineering domains. * Strong communication skills and the ability to work effectively with cross-functional technical teams and customers. ## Description Quest Defense Systems & Solutions is seeking a Senior Systems Engineer to support the development of next-generation avionics computing technology for Collins Aerospace. This role will focus on a System-on-Chip (SoC) platform and requires strong experience working at the intersection of hardware and software. You will collaborate across systems, hardware, software, and AEH teams to capture requirements, support hardware/software integration, and verify system functionality in the lab. The ideal candidate will bring strong board- and device-level systems engineering experience, along with knowledge of ARP4754B, DO-254, and DO-178C., * Capture, develop, and maintain system requirements, designs, test cases, and test procedures in accordance with program development plans and ARP4754B objectives. * Support board- and device-level systems engineering for System-on-Chip (SoC) and embedded avionics applications. * Work closely with systems, hardware, software, and Airborne Electronic Hardware (AEH) teams to support technical integration. * Define and validate high-level hardware and software-allocated requirements. * Integrate, validate, and verify embedded hardware and software functionality in a laboratory environment. * Troubleshoot and resolve technical issues that cross hardware and software functional domains. * Support development activities in accordance with DO-254 and DO-178C processes and certification objectives. * Create and maintain technical documentation, requirements traceability, and development artifacts using tools such as Jama, Jira, and Git. * Collaborate with technical stakeholders to develop use cases, concepts of operation, and system-level solutions. * Support development of automation and scripting solutions for engineering, integration, or verification activities as needed. * Participate in technical reviews and communicate findings, risks, and recommendations across engineering teams. ## Related Videos - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Improving quality with Agentic AI with Rovo Dev and Xray](https://www.wearedevelopers.com/videos/2005-improving-quality-with-agentic-ai-with-rovo-dev-and-xray) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Crew Management System for Airlines: Plan duties for pilots & flight attendants worldwide](https://www.wearedevelopers.com/videos/1444-crew-management-system-for-airlines-plan-duties-for-pilots-flight-attendants-worldwide) - [Collaboration Quantified: Lessons from Open Source Developer Networks](https://www.wearedevelopers.com/videos/1422-collaboration-quantified-lessons-from-open-source-developer-networks) - [Git for Code Reviews](https://www.wearedevelopers.com/videos/429-git-for-code-reviews) ## Related Articles - [How We Built a Worry-Free System That Runs for 10+ Years – And What We’d Do Again](https://www.wearedevelopers.com/magazine/751-how-we-built-a-worry-free-system-that-runs-for-10-years-and-what-we-d-do-again) - [What is Software Engineering?](https://www.wearedevelopers.com/magazine/289-what-is-software-engineering) - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [Top Characteristics of a Software Engineer](https://www.wearedevelopers.com/magazine/166-top-characteristics-of-a-software-engineer) - [Is Software Engineering Hard?](https://www.wearedevelopers.com/magazine/448-is-software-engineering-hard) - [Software Engineer Career: Things You Should Know](https://www.wearedevelopers.com/magazine/143-software-engineer-career-things-you-should-know)