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Spacecraft Bus, Avionics & Systems Engineer


Job Location:

Chantilly, VA - USA

Yearly Salary: $ 180000 - 240000
Posted: 21 August 2026 (Yesterday)
Application Deadline: 18 November 2026
Vacancies: 1 Vacancy

Job Summary

SSI is seeking an Spacecraft Bus Avionics & Systems Engineerto join our team in Chantilly VA.

We seek technical individuals who will thrive in a highly collaborative work environment of small teams using the most modern tools and methodologies to tackle the challenges of integrating complex space and ground communications systems.

This role evaluates contractor bus design subsystem trade studies radiation- hardening strategies flight software architecture and environmental testing.

Role and Responsibilities include:

  • Provide the technical leadership and assessment for the ESS Program Office in the prime contractor delivery of the space vehicle in the area of Mechanical Electrical or Test.
  • Lead the trades for unit and subsystem designs if necessary integration and testing into the spacecraft bus payload and space vehicle.
  • Ensure thetechnical designand interfaces within the space vehicle along with the ground and terminal segments.
  • Support all component and unit test programs including space qualification testing ensuring survivability in the space environment. Develop test documentation e.g. test plans and reports as necessary.
  • Support the space vehicle test program ensuring survivability in the space environments. Develop test documentation e.g. test plans and reports as necessary.
  • Build and maintain strong collaborative relationships with various government customer organizations contractors and FFRDC teammates.
Required Qualifications:
  • Must possess an active Top Secret/SCI clearance with the ability to obtain a Polygraph.
  • Bachelor of Science in a technical field such as engineering mathematics physics software or computer science.
  • 15 years experience with spacecraft bus or subsystems or Masters degree and 12 years experience.
  • Previous provencoordinationexperience.
  • Effectivecommunication(both written and oral) andinterpersonal skills.
  • Ability to perform in highly visible and stressful situations.
  • DOD or IC space experience preferred.
  • Space systems engineering experience desired at the unit subsystem spacecraft or space vehicle levels.
  • Key Technical & Capability Requirements:
    • Radiation Hardening: Deep Understanding of Beyond Low Earth Orbit (BLEO)radiation environments single-event effects (SEE/SEU) total ionizing dose (TID)and mitigation strategies for Galactic Cosmic Rays (GCR) and Solar ParticleEvents (SPE).
    • Thermal & Environmental Controls: Evaluation of thermal architectures
      designed for extreme lunar eclipses long thermal soak periods and deep-spacesinks (using thermal modeling tools like Thermal Desktop).
    • High- v Propulsion: Technical oversight of liquid bipropellant monopropellantor high-power electric propulsion (EP) systems required for lunar orbit insertionand station keeping.
    • Avionics & Flight Software: Review of rad-hard FPGAs power processing units (PPU) and flight software framework architectures (e.g. NASA cFS VxWorks RTOS) featuring autonomous fault management.
    • SETA Oversight Duties: Leads technical review of contractor Assembly
      Integration & Test (AI&T) plans Thermal Vacuum (TVAC) test matrices andvendor verification cross-reference matrices (VCRM).
  • Requirement to work on site atLAAFB100%. Remote work unavailable.
  • Approximately 10% travel within Southern California and CONUS depending on prime contractor selection of unit suppliers.
$180000 - $240000 a year
Target salary range: $180000 - $240000. The estimate displayed represents the typical salary range for this position based on experience and other factors. We offer medical/dental/vision benefits and 401k contribution.
#ssi #weknowhowtobuildit #spacejobs

Required Experience:

IC


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Systems Engineering, Spacecraft Development, Program Management – SSI has the Experience

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