Relativity Space · 9 hours ago
Senior Avionics Mechanical Engineer
Long Beach, California
Full-time
Onsite
Senior Level
$138K/yr - $178K/yr
5+ years expRelativity Space is building rockets to serve today's needs and tomorrow's breakthroughs. The Avionics Mechanical Responsible Engineer will own the design, development, and delivery of all mechanical hardware supporting next-generation space science avionics platforms, ensuring they can survive launch and space environments while solving complex challenges.
3D TechnologyAerospaceArtificial Intelligence (AI)Manufacturing
Responsibilities
Own the design, development, and delivery of all mechanical hardware supporting our next-generation space science avionics platforms
Ensure the delivered Avionics can survive launch and space environments
Solve complex thermal and structural challenges in tight, mass-efficient packaging
Work from first principles to rapidly iterate on designs, perform analysis and testing, and lead the delivery of flight-ready avionics mechanical systems
Qualification
Required
Bachelor's or Master's degree in Mechanical Engineering, Aerospace Engineering, or a related field
5+ years of experience in mechanical design, packaging, or thermal management for aerospace or ruggedized electronic systems
Proven ability to deliver mechanical systems from concept through qualification and flight
Proficiency with CAD (SolidWorks, NX, or equivalent) and analysis tools for structural and thermal performance
Hands-on experience building, testing, and debugging hardware in a lab environment
Strong communication skills and comfort working cross-functionally in a fast-paced, rapidly iterating team environment
Preferred
Familiarity with NASA or other spaceflight structural verification standards, environmental testing and qualification
Experience designing mechanical systems for spaceflight avionics or payloads
Experience with high-density electronics cooling (conduction, heat pipes, cold plates)
Knowledge of materials and processes for vacuum and radiation environments
Benefits
Competitive salary and equity
Generous PTO and sick leave policy
Parental leave
Annual learning and development stipend
Company
Relativity Space
Relativity Space is an aerospace company that designs, develops, and builds 3D printed rockets.
1001-5000 employees
Funding
Current Stage
Late StageTotal Funding
$1.36BKey Investors
FidelityTiger Global ManagementPlayground Global
2023-11-15Series F· $20M
2022-02-03Secondary Market
2021-06-08Series E· $650M
Leadership Team
Eric Schmidt
Chair and CEO
David Giger
VP of Engineering
Recent News
Research & Development World
2025-12-24
2025-11-14
2025-11-12
Company data provided by crunchbase