Sr. Space Systems Engineer SME

Space Systems Command (SSC), is the United States Space Force field command responsible for acquiring, developing, and delivering resilient capabilities to outpace emerging threats and protect our Nation’s strategic advantage in, from, and to space.

SSC plays a critical role in advancing the United States’s space capabilities, delivering cutting-edge solutions to protect and enhance national security.

Join us and be part of the mission to shape the future of space and protect the assets that keep our nation secure.

The ideal Sr Space Systems Engineer SME possesses deep experience in space system architecture, mission design, and end-to-end systems integration for defense or national security space programs. They should be proficient in requirements development, interface control, space-to-ground integration, and have demonstrated success leading multi-mission or proliferated architectures in contested environments.

Essential Job Function

• System Architecture Development: Lead the design and evolution of end-to-end space system architectures, ensuring alignment with SSC mission objectives and resiliency requirements.
• Requirements Engineering: Develop, manage, and validate system and subsystem-level requirements, including interface control and performance specifications across space, ground, and comm segments
• Systems Integration & Test Oversight: Guide integration and test planning across multi-domain components, ensuring seamless interoperability and mission assurance.
• Technical Trade Studies & Analysis: Conduct and lead engineering analyses and trade studies to inform design decisions, optimize system performance, and support rapid technology insertion.
• Stakeholder Coordination & Technical Leadership: Serve as a senior technical advisor to program leadership, coordinating across government, contractor, and mission partner teams to resolve complex engineering challenges.

• MS with over 10 years of experience
• Expert in classified space control space, ground, and C2 systems (concepts, development, build, and test)
• Expert in space control-related technologies, including but not limited to, electromagnetic spectrum, signal processing, comms
• Expert in developing and managing technical requirements and space system acquisition efforts
• Highly knowledgeable in electronic attack technologies and system design implementation
• Highly knowledgeable in classified space control systems engineering processes and procedures, including but not limited to requirements development, configuration control, and government Deficiency Review (DR) board establishment, execution, and DR disposition and management
• Active TS/SCI

STI-TEC offers a competitive benefits package including:

• Medical, dental, and vision coverage
• Life insurance
• Short term/long term disability coverage
• Retirement savings - 401(k)
• Paid time off (PTO)
• Holiday leave
• Alternate work schedules (depending on work site)
• Flexible spending account options

Whether you’re an experienced professional, a veteran, a former military or civilian federal employee, or a recent graduate, STI-TEC has a career opportunity for you. Applicants selected may be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. STI-TEC is an equal opportunity employer and values diversity. Employment is decided on the basis of qualifications, merit, and business need. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, disability, protected Veteran status, gender identity and sexual orientation. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, transfer, leaves of absence, compensation and training. If you need assistance or an accommodation due to a disability, you may contact us at or you may call us at 1+918.583.9900.

*This job posting is to identify potential candidates for positions in order to respond to a request for proposal. This job posting, including but not limited to, qualifications, duties, compensation and benefits, is subject to change based on the terms and conditions of the awarded contract and is contingent on STI-TEC being awarded the contract.