Test Technician jobs in California

Relativity Space

Full-time · Long Beach, CA · $40 – $60 / hour

A factory technician role leading test operations for rocket components at an aerospace manufacturer, suited to experienced technicians comfortable with leadership responsibilities and complex troubleshooting in a high-stakes manufacturing environment.

Listed on Relativity Space’s careers site · Apply there ↗

Terran Orbital

Full-time · Irvine, CA · $35 – $40 / hour

This role involves conducting environmental testing on satellite components and spacecraft using thermal, vacuum, and vibration equipment in a aerospace manufacturing setting. It suits technicians with hands-on experience in test operations and equipment maintenance who want to contribute to defense and commercial space missions.

Listed on Terran Orbital’s careers site · Apply there ↗

Astranis

San Francisco, CA · $25 – $52 / hour

This role involves operating and maintaining environmental testing equipment for spacecraft and components, simulating the harsh conditions of space. It suits someone with hands-on test lab experience who enjoys precision work and can handle flexible scheduling during critical mission phases.

Listed on Astranis’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $31 – $47 / hour

This role involves building and operating test equipment for rocket propulsion systems, authoring test procedures, and ensuring safety in a high-performance manufacturing environment. It suits someone with hands-on technical experience who wants to work on cutting-edge aerospace hardware while mentoring junior team members.

Listed on Relativity Space’s careers site · Apply there ↗

Relativity Space

Long Beach, CA · $38 – $58 / hour

This role involves designing and executing tests on rocket engine subassemblies, working with mechanical, fluid, electrical, and avionics systems to ensure they meet safety and performance standards before full engine testing. You'll develop test procedures, collaborate with engineering teams, and operate complex aerospace hardware in a high-consequence environment.

Listed on Relativity Space’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $40 – $60 / hour

This role involves designing, building, and operating pressurized systems for hazardous rocket testing in a manufacturing facility, supporting hands-on technical work across fluid mechanics, pneumatics, and data systems. It suits experienced technicians who want to work directly with complex hardware on a fast-moving aerospace team.

Listed on Relativity Space’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $27 – $41 / hour

A test technician role at a rocket manufacturer, performing assembly, calibration, and inspection of aerospace components on a dedicated testing team. Suited for someone with hands-on aerospace experience who works independently and wants to grow into a leadership capacity within a fast-moving hardware company.

Listed on Relativity Space’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $27 – $41 / hour

A test technician supporting hardware validation for rocket components at a spaceflight manufacturer, responsible for independent assembly, calibration, and troubleshooting of aerospace systems. Suits technically-minded people with hands-on aerospace or manufacturing experience who want exposure across a full product lifecycle without requiring prior aerospace credentials.

Listed on Relativity Space’s careers site · Apply there ↗

Relativity Space

Full-time · Long Beach, CA · $33 – $50 / hour

A leadership-track testing technician role at a rocket manufacturer, leading test campaigns and mentoring technicians on complex hardware and infrastructure. Suits experienced aerospace test technicians ready to move into technical supervision while staying hands-on with rocket component testing.

Listed on Relativity Space’s careers site · Apply there ↗