Entry-Level Propulsion Test Engineer: Build & Test Rockets

Relativity Space; United States; On-site; USD 90,000 - 136,000; Full time

Job summary

Relativity Space is seeking an entry-level Propulsion Test Engineer for our Stennis, Mississippi site. You will work on test stands and articles for Terran R, under experienced engineers, technicians, and welders.

The role offers hands-on opportunities to design, build, and test high‑energy components while advancing rocket readiness. Expect collaboration across Design & Build, Operations and Integration, with shifts and rigorous safety standards.

Qualifications

• Bachelor’s degree in mechanical engineering, aerospace engineering, or a related field.
• No aerospace experience needed—we value unique backgrounds.
• Demonstrated ability to safely operate common power tools.
• Ability to deliver on tight schedules, especially when unconventional solutions are necessary.
• This role may require travel to production and launch locations, up to 10%.
• Valid driver’s license to operate vehicles on the test site.

Responsibilities

• Design and build fluid, structural, and test stand components.
• Develop fabrication work instructions and source components.
• Operate test stands and monitor telemetry.
• Lead test campaigns and improve processes.
• Create and maintain work instructions and standards across sites.
• Collaborate with engineers, technicians, and welders to move projects forward.

Skills

Power tools

Strong schedule management

Team collaboration

Education

Bachelor’s degree in mechanical or aerospace engineering

Tools

3D modeling

GD&T

Job description

Relativity Space is seeking an entry-level Propulsion Test Engineer for our Stennis, Mississippi site. You will work on test stands and articles for Terran R, under experienced engineers, technicians, and welders.

The role offers hands-on opportunities to design, build, and test high‑energy components while advancing rocket readiness. Expect collaboration across Design & Build, Operations and Integration, with shifts and rigorous safety standards.