Senior Propulsion Test Engineer (Aerospace)

Location: On-site at Stennis Space Center, Mississippi, United States; travel to production and launch locations may be required, up to 10%.

Salary: $124,000–$186,000 USD per year, plus equity.

Company

Develops Terran R, a heavy-lift orbital launch vehicle designed to deliver customer payloads to orbit.

What you will do

• Design, analyze, fabricate, activate, maintain, and upgrade propulsion test stands and their fluid, structural, and mechanical systems.
• Conduct test operations for high-energy components, rocket engines, and booster and upper stages.
• Control test stands and test articles through GUIs and automation while monitoring cameras and telemetry.
• Run flight acceptance, qualification, and development testing campaigns to validate and improve Terran R designs.
• Prepare test articles through inspections, functional checks, leak checks, repairs, and non-conformance management.
• Author work instructions and coordinate test preparation, post-test processing, technician activities, and quality inspections.

Requirements

• Bachelor’s degree in mechanical engineering, aerospace engineering, or a related field.
• Ability to safely operate common power tools and vehicles on the test site; a valid driver’s license is required.
• Ability to deliver on tight schedules and develop unconventional, creative solutions to technical problems.
• Successful candidates must pass a US government-administered background check to obtain clearance for on-site work at the government partner location in Stennis, Mississippi.
• Operations and integration assignments typically require a scheduled morning or evening shift.

Nice to have

• 3D modeling and drafting experience, including GD&T.
• Engineering fundamentals in thermal fluid systems and structures.
• Hands-on fabrication experience with complex assemblies.
• Experience with fluid components, large-scale fluid P&IDs, high-pressure gas, cryogenic fluids, flammables, or hydraulics.
• Technical writing or documentation experience.

Culture & Benefits

• Hands-on, highly operational, and collaborative work with large-scale rocket test systems.
• Opportunities to work across Design & Build, Operations, and Integration focus areas.
• Competitive salary and equity.
• Generous paid time off and sick leave, parental leave, and an annual learning and development stipend.
• Work that directly supports Terran R flight readiness and routine launch operations.