> Markdown version of [/jobs/ext/2718948-mission-system-engineer](https://www.wearedevelopers.com/jobs/ext/2718948-mission-system-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Mission System Engineer - **Company:** FEDERAL LOFTS LLC - **Location:** United States - **Salary:** $180,000.0 - $235,000.0 - **Contract:** Permanent contract - **Skills:** Systems Engineering, Integrated Development Environments, Requirements Management, Subsystems, Hfss - **Published:** September 4, 2026 - **Apply:** https://startup.jobs/principal-mission-systems-engineer-loft-federal-8408044 ## About the Role * Active Top Secret clearance is required with the ability to obtain Sensitive Compartmented Information (TS/SCI) clearance is required. * Preference will be given to candidates with a DoD or Intelligence Community Top Secret background investigation with at least 3 years of eligibility remaining or CE status; and SCI eligibility with current experience in SCI programs and/or Special Access Programs * Must be a US Citizen Mission Credentials * You enjoy being the face of the technical requirements and working with a team to deliver quality hardware. * You pioneer innovation in aerospace bringing commercial space solutions to US government customers. * You have comprehensive system-level knowledge and experience in Tactical RF or Optical subsystems. * As a technical specialist, you analyze subsystem performance introducing novel strategies to accomplish mission objectives. * You thrive in a dynamic and fast-paced development environment, where your ability to adapt and excel under pressure sets you apart. * Prior experience delivering a spacecraft to orbit and/or space-qualified hardware to a customer. * You have 12+ years of experience as a Electrical/Systems Engineer with detailed knowledge of RF and/or Optical Subsystems * Experience with STK, HFSS and requirements management tools highly preferred. ## Description As a Mission System Engineer, you'll embark on a dynamic journey, working with business development and program management teams to shape multiple satellite missions simultaneously, each boasting a unique multi-payload configuration. Your role will transcend boundaries as you collaborate seamlessly across various teams, including program management, systems engineering, discipline engineering, and AI&T. In this role, you'll not only contribute to the success of our satellite missions but also have the opportunity to collaborate with a diverse and dynamic team, fostering innovation and driving impactful solutions in the ever-evolving space industry. Mission Objectives * Collaborate with internal teams and our customers to conduct RF/payload/communication system analysis, modeling, and simulation estimating system performance and maintaining technical budgets. * Engage closely with internal teams and customers to craft and manage system specifications and verification techniques, ensuring alignment with ambiguous customer requirements. * Play a pivotal role in shaping mission CONOPS, fostering partnerships with customers and teammates. * Provide support to program management and product management, serving as a liaison with customers ensuring smooth program execution. * Extend your expertise to support test planning and actively participate in the integration and test campaigns at our spacecraft manufacturer's site, ensuring adherence to rigorous quality standards. ## Related Videos - [Robots are coming into the wild! 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