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Relativity Space

Senior Propulsion Test Engineer

Relativity Space · Stennis Space Center, Mississippi

Posted about 2 months ago

or apply directly on Relativity Space's site. We never take the application ourselves.

Is this posting real?

This role has been open
66 days
Relativity Space's roles stay open a median of 66 days
Reposted
No
Salary listed
No
1% of Relativity Space's roles list one
Ghost-job risk at Relativity Space
high
286 stale, 2 reposted of 350 open
Hiring momentum
498 roles opened in the last 90 days
↑ up vs. the prior 90 days
Last confirmed on the employer's board
2026-10-08

Measured from postings appearing on and disappearing from Relativity Space's own greenhouse board since 2026-08-03. Full hiring picture for Relativity Space.

About this role

As a Senior Propulsion Test Engineer at Relativity Space, you will engage in the testing of high-energy components, rocket engines, and stages for the Terran R vehicle. Your role will involve designing fluid and structural systems, conducting test operations, and managing test articles through various phases of preparation and post-test processing. You will work collaboratively across different teams to solve technical problems and improve testing processes, contributing directly to the readiness of the rocket for flight.

Our read on this posting2.2out of 5
benefits
2/5
freshness
1/5
career value
4/5
role clarity
4/5
pay transparency
0/5

Scored from the posting itself — how clearly the role is described, how much it says about pay and benefits, and how recently it was listed. Not a judgement of Relativity Space as an employer.

What you need

  • Bachelor's degree in mechanical engineering, aerospace engineering, or a related field
  • Demonstrated ability to safely operate common power tools
  • Ability to deliver on tight schedules, especially when unconventional & creative solutions are necessary
  • Valid driver's license to operate vehicles on the test site

Nice to have

  • Proficiency in 3D modeling and drafting, including GD&T
  • Strong engineering fundamentals in Thermal Fluid Systems and Structures
  • Hands-on fabrication experience for complex assemblies
  • Working knowledge of fluid components and ability to understand/develop fluid P&IDs for large-scale test systems
  • Experience safely operating complex fluid systems, including high pressure gas, cryogenic fluids, flammables, and hydraulics

What you get

  • Competitive salary and equity
  • Generous PTO and sick leave policy
  • Parental leave
  • Annual learning and development stipend

Worth weighing

  • No aerospace experience needed, which may indicate a focus on diverse backgrounds
  • Role may require travel to production and launch locations, up to 10%
  • Background check required for on-site work at government partner location
  • Compensation range provided, but actual salary determined by experience and qualifications

Summarised from Relativity Space's posting. Read the full original.

Listed by Relativity Space on their greenhouse job board, last confirmed open on 2026-10-08. PitchMeAI is not the employer.

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