Relativity Space
Propulsion Manufacturing Engineer II, Combustion Devices
$104K–$156K
Long Beach, California, United States · Full-time · Posted Aug 17, 2026
- Experience
- Minimum 2+ years of relevant experience; 3+ years is a nice-to-have.
- Education
- Bachelor of Science in aerospace, mechanical, or manufacturing engineering, or equivalent.
About the job
Owns manufacturing engineering for combustion device hardware, developing processes and tooling and coordinating fabrication, assembly, and testing for Aeon R and Vacuum Engine programs.
What you'll do
- Develop manufacturing processes, tooling, and fixtures for combustion device hardware.
- Coordinate hardware through manufacturing workcenters, resolve bottlenecks, and deliver against development milestones.
- Collaborate with manufacturing and cross-functional teams to improve manufacturability, quality, and production efficiency.
What they ask for
- Bachelor of Science in aerospace, mechanical, or manufacturing engineering, or equivalent.
- Minimum 2+ years of relevant hands-on engineering experience in hardware development, manufacturing, fabrication, or testing.
- Demonstrated ability to design and develop mechanical tooling, fixtures, or hardware from concept through implementation.
- Proficiency in mechanical CAD software; experience developing manufacturing processes, work instructions, or procedures for complex hardware or assemblies.
Nice to have
- Experience with combustion device, rocket propulsion, or aerospace hardware.
- Experience developing prototype or early-stage hardware through iterative design, fabrication, assembly, and testing.
Pay
$104,000 — $156,000 USD (base salary)
Tools
Siemens NX, SolidWorks
Model-written summary · the original posting is authoritative