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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Systems Engineer - **Company:** Honu Services - **Location:** San Antonio, TX, United States - **Experience:** Expert - **Salary:** $195,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Computer Programming, Data Transmissions, Network Interface Controllers, Systems Analysis, Software Requirements Analysis, Systems Modeling Language, System Testing, DODAF - **Published:** September 17, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9170411/senior-systems-engineer ## About the Role The ideal candidate is a technically skilled and mission-focused professional who combines systems engineering expertise, strategic thinking, and strong communication skills to deliver results in a fast-paced DoD environment., The Senior Systems Engineer must have: * Active DoD Top Secret clearance with SCI eligibility * 10+ years of relevant Department of Defense (DoD) experience supporting systems engineering, RDT&E, acquisition, or related technical programs * Experience supporting System Program Offices (SPOs), Program Management Offices (PMOs), or system and capability delivery to SPOs/PMOs * Demonstrated experience with Research, Development, Test, and Evaluation (RDT&E) and test and training materiel systems * Experience with the deployment, integration, operation, and sustainment of space test and training materiel systems * Strong knowledge and practical application of Systems Engineering (SE) principles and processes supporting system RDT&E, integration, and fielding * Experience with Cameo Systems Modeler and Systems Modeling Language (SysML) * Working knowledge of the Joint Capabilities Integration and Development System (JCIDS) and DoD Architecture Framework (DoDAF) processes and artifacts * Experience across relevant space technology disciplines, such as space system architectures, satellite and ground segment design, electro-optical/infrared (EO/IR) and radio frequency (RF) sensors, astrodynamics, propulsion, Guidance, Navigation and Control (GNC), space data communications, or Space Battle Management and Control * Ability to work full-time on-site and travel up to 25%, as required, * Bachelor of Science (BS) degree (required) in Systems Engineering or a related engineering field (e.g., Mechanical, Electrical, Software, etc.) * Degrees in other Science, Technology, Engineering, or Mathematics (STEM) fields may be considered with substantial, relevant professional experience Preferred * Master's degree (MS/ME/MA) in Systems Engineering or a related field * Degrees in other STEM fields may also be considered with significant, relevant professional experience ## Description Galapagos Federal Systems LLC is seeking an experienced Senior Systems Engineer to support the United States Space Force (USSF) and its mission-critical space operations. In this role, you will support the Operational Test and Training Infrastructure (OTTI) Integrated Program Office (IPO) and Space Systems Command's System Delta 81, contributing to the development, acquisition, integration, and sustainment of advanced test and training capabilities that enhance USSF readiness and operational effectiveness., The Senior Systems Engineer will: * Conduct feasibility studies and concept exploration to evaluate system and capability solutions * Perform Design Reference Mission (DRM) engineering and supporting system analysis * Develop and refine Concepts of Operations (CONOPS) to support mission and operational requirements * Develop and manage system requirements, Interface Control Documents (ICDs), verification plans, system validation activities, and operational support requirements * Perform change management and technical analysis to assess impacts to system requirements, interfaces, and program objectives * Assess, align, and integrate Planning, Programming, Budgeting, and Execution (PPBE) activities with technical efforts supporting the Operational Test and Training Infrastructure (OTTI) * Support systems engineering activities throughout Research, Development, Test, and Evaluation (RDT&E), integration, fielding, and sustainment * Collaborate with government, engineering, acquisition, and program stakeholders to support successful system and capability delivery, Work may involve sitting or standing for extended periods of time and typing and reading from a computer screen. The candidate must have enough mobility, including bending, reaching, and kneeling, to complete daily duties in a prompt and efficient manner, and that may include lifting up to thirty pounds, as necessary. ## Related Videos - [Why Your Best Mediors Never Become Seniors (And How to Fix It)](https://www.wearedevelopers.com/videos/2108-why-your-best-mediors-never-become-seniors-and-how-to-fix-it) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [How To Test A Ball of Mud](https://www.wearedevelopers.com/videos/173-how-to-test-a-ball-of-mud) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Detecting Money Laundering with AI](https://www.wearedevelopers.com/videos/111-detecting-money-laundering-with-ai) - [How I Built QA from Scratch in a Scaling Startup - no fluff real life story](https://www.wearedevelopers.com/videos/2041-how-i-built-qa-from-scratch-in-a-scaling-startup-no-fluff-real-life-story) ## Related Articles - [Is Software Engineering Over-Saturated?](https://www.wearedevelopers.com/magazine/418-is-software-engineering-over-saturated) - [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’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer) - [Highest Paying Tech Companies for Developers](https://www.wearedevelopers.com/magazine/220-highest-paying-tech-companies-for-developers) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Best Countries for Software Engineers](https://www.wearedevelopers.com/magazine/267-best-countries-for-software-engineers)