Principal Mission Systems Engineer

About Loft Federal

Loft Federal is committed to delivering the U.S. national security space community a fast, affordable, and streamlined pathway to orbit. As a wholly owned U.S. subsidiary of Loft Orbital Solutions, Inc., we specialize in providing mission‑ready space infrastructure with unmatched efficiency.

A Mission System Engineer will work with business development and program management teams to shape multiple satellite missions simultaneously, each featuring a unique multi‑payload configuration. This role requires seamless collaboration across program management, systems engineering, discipline engineering, and AI&T teams.

• Collaborate with internal teams and 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 and fostering partnerships with customers and teammates.
• Provide support to program management and product management, serving as a liaison with customers to ensure 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.

• Active Top Secret clearance required, with the ability to obtain Sensitive Compartmented Information (TS/SCI) clearance.
• Preference for 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 U.S. Citizen.

• You enjoy being the face of technical requirements and working with a team to deliver quality hardware.
• You pioneer innovation in aerospace, bringing commercial space solutions to U.S. government customers.
• You have comprehensive system‑level knowledge and experience in Tactical RF or Optical subsystems.
• As a technical specialist, you analyze subsystem performance and introduce novel strategies to accomplish mission objectives.
• You thrive in a dynamic and fast‑paced development environment, adapting and excelling under pressure.
• Prior experience delivering a spacecraft to orbit and/or space‑qualified hardware to a customer.
• You have 12+ years of experience as an Electrical/Systems Engineer with detailed knowledge of RF and/or Optical subsystems.
• Experience with STK, HFSS, and requirements‑management tools highly preferred.

Salary Range: $180,000 USD – $235,000 USD

Per Colorado law, we disclose the base compensation range for this role. Compensation will be determined by your education, experience, knowledge, skills, and abilities.

Loft Federal is an Equal Employment Opportunity and Affinity Action Employer. We consider all qualified applicants for employment without regard to race, color, age, religion, sex, gender identity or expression, sexual orientation, marital status, national origin, ancestry, veteran status, genetic information, disability, pregnancy, or any other legally protected status.

If you require a reasonable accommodation due to a disability when applying for an open position, please contact us at for assistance.