Senior Mechanical Systems Engineer

Loft Federal is committed to delivering the U.S. national security space community 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.

At Loft, we empower our team with autonomy, ownership, and bold problem‑solving opportunities while fostering a tight‑knit, supportive environment. We value diversity, inclusivity, and community as the foundation of an open and innovative culture. We seek kind, collaborative, and mission‑driven teammates who excel in problem‑solving and communication.

Are you ready to embark on this exciting journey with us?

As a Mechanical Systems Engineer you will work with business development and program management teams to shape multiple satellite missions simultaneously, each with a unique multi‑payload configuration. You will coordinate across program management, systems engineering, discipline engineering, and AI/T teams, ensuring seamless collaboration.

• Technical lead for mechanical system design and subsystem procurement.
• Create and maintain CAD models in collaboration with internal teams and customers to conduct mechanical layout.
• Perform system optimization trades, analyze system performance, and maintain technical budgets.
• Oversee spacecraft‑level structural and thermal analysis.
• Engage closely with internal teams and customers to craft and manage system specifications and verification techniques, ensuring alignment with ambiguous customer requirements.
• Provide support to program management and product management, serving as a liaison with customers to ensure smooth program execution.
• Conduct inspections and reviews of engineering documents and hardware.
• Extend 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 is required, and 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 U.S. citizen.

• Experience delivering a spacecraft to orbit and/or space‑qualified hardware to a customer.
• 5+ years of experience as a Mechanical Engineer with detailed knowledge of spacecraft structures.
• Comprehensive system‑level knowledge and experience in mechanical subsystems.
• Detailed understanding of GD&T and tolerance analysis.
• Proficiency with Solid Works or similar CAD software.
• Pragmatic vibration testing experience (pre‑test inputs, test oversight, data reduction, report generation).
• Ability to act as the face of technical requirements and work with a team to deliver quality hardware.
• Pioneer innovation in aerospace, bringing commercial space solutions to U.S. government customers.
• Adaptability and resilience in a dynamic, fast‑paced development environment.

$131,750 – $178,250 USD.

Loft Federal is an Equal Employment Opportunity and Affinitive 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.