Senior Mechanisms Engineer – Flight Hardware & Actuation

Relativity; Long Beach (CA); On-site; USD 130,000 - 190,000; Full time

Job summary

Relativity Space is shaping the future of space access with Terran R and integrated manufacturing. The Structures and Mechanisms team leads the full lifecycle design, build, and testing of mechanisms and flight hardware, from concept to flight readiness.

You will work across propulsion, avionics and manufacturing to deliver high‑importance subsystems on a fast timeline. We value hands‑on hardware ownership, strong problem solving, and collaboration in a fast‑paced environment where decisions

Qualifications

• Bachelor's degree in engineering or related field.
• 8+ years in full-cycle design engineering (CAD, analysis, build, test).
• Fundamental knowledge of kinematic synthesis, actuation, structures strength and fatigue.

Responsibilities

• Lead design, analysis, manufacturing, and testing of Terran R mechanisms.
• Collaborate with structures, avionics, fluids and manufacturing teams.
• Define design criteria and subsystem requirements; perform trade studies.
• Ensure on-time delivery within budget and quality targets.

Skills

Problem solving

Leadership

Team collaboration

Ambiguity tolerance

Ownership

Education

Bachelor's degree in engineering

Tools

NX

TeamCenter

Ansys

Femap

Python/MATLAB

Job description

Relativity Space is shaping the future of space access with Terran R and integrated manufacturing. The Structures and Mechanisms team leads the full lifecycle design, build, and testing of mechanisms and flight hardware, from concept to flight readiness.

You will work across propulsion, avionics and manufacturing to deliver high‑importance subsystems on a fast timeline. We value hands‑on hardware ownership, strong problem solving, and collaboration in a fast‑paced environment where decisions