Relativity Space is looking for a Senior Avionics Hardware Engineer to join our Interplanetary Program. You will take ownership of the design, development, and delivery of spacecraft avionics systems from concept through flight, creating reliable hardware that enables deep-space exploration.
What You'll Do
- Develop complete avionics systems, including architecture, design, integration, and verification, from initial concept through flight-qualified hardware.
- Collaborate with propulsion, guidance and control, thermal and software teams to ensure seamless integration and performance.
- Implement robust design and test processes that ensure reliability and safety for deep-space missions.
- Lead the technical execution of avionics hardware builds, including PCB design, harnessing, embedded systems, and environmental qualification.
- Coordinate with suppliers and internal stakeholders to manage component selection, testing, and delivery schedules.
- Maintain accurate design documentation, test plans, and reports.
What We're Looking For
- Bachelor's or Master's degree in Aerospace Engineering, Electrical Engineering, or a related technical field.
- 5+ years of experience designing, developing, and delivering avionics or electronics for aerospace systems or similarly complex environments.
- Demonstrated ability to take a design from concept through production with minimal supervision.
- Hands-on experience with schematic capture, PCB layout, embedded software interfaces, and system-level testing.
- Proven track record of working cross-functionally and communicating technical information clearly to diverse audiences.
- Ability to work effectively in a collaborative, fast-paced team environment, demonstrating adaptability and problem-solving skills.
Nice to Have
- Direct technical experience in Mars missions.
- Experience with NASA aerospace systems engineering practices in an applied / new-space manner.
- Experience with deep-space or high-radiation avionics systems.
- Background in spaceflight hardware environmental testing and qualification.
Team & Environment
You will be part of the Interplanetary Sciences Program, where you will collaborate across multidisciplinary teams.
Benefits & Compensation
- Compensation: $148,000—$203,500 USD + competitive equity.
- Generous PTO and sick leave policy.
- Parental leave.
- Annual learning and development stipend.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.



