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Senior Propulsion Components Test Engineer

Remote Posted Jul 26, 2026 0 views

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Job description

Relativity SpaceJobs
Senior Propulsion Components Test Engineer

Senior Propulsion Components Test Engineer

Reposted 3 Hours Ago
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Long Beach CA USA
In-Office
133K-171K Annually
Senior level
Aerospace • Hardware • Robotics • Software • Manufacturing
Building reusable rockets to empower science and exploration.
The Role
Lead design commissioning and improvement of propulsion test assets and systems. Author and execute test procedures analyze component test data standardize operational requirements for safety and repeatability and manage projects to advance test capabilities from development into high-volume production.
Summary Generated by Built In

At Relativity Space we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science exploration and innovation pioneering progress that reaches beyond the known.

Joining Relativity means becoming part of something where autonomy ownership and impact exist at every level. Here you're not just executing tasks; you're solving problems that haven’t been solved before helping develop a rocket a factory and a business from the ground up. Whether you’re in propulsion manufacturing software avionics or a corporate function you’ll collaborate across teams shape decisions and see your work come to life in record time. Relativity is a place where creativity and technical rigor go hand in hand and your voice will help define the stories we’re writing together. Now is a unique moment in time where it’s early enough to leave your mark on the product the process and the culture but far enough along that Terran R is tangible and picking up momentum. The most meaningful work of your career is waiting. Join us.

About the Team:

The Engine Manufacturing team is dedicated to delivering high-performance engines and advancing innovative manufacturing systems that continuously improve cost quality and lead time. You’re not just executing on designs; you actively provide input that shapes new hardware iterations and regularly interface with engineers to make critical decisions for the Aeon R program. Having successfully developed and refined processes for our initial development engines the team is now focused on producing flight engines at rate for Terran R’s aggressive launch manifest.

About the Role:

  • Design and commission new test assets and systems - incorporating fluid mechanical and electrical components – to unlock new capabilities or enhance existing ones
  • Author and optimize test sequences procedures and operational processes to support first-article development and transition into high-volume production
  • Review and analyze test data to evaluate Terran-R & Aeon-R component performance
  • Define and standardize operational requirements and processes to improve safety data quality and test repeatability
  • Plan and execute projects that improve test capabilities and operational efficiency in a manner that aligns with the Integrated Master Schedule (IMS)

About You:

  • Bachelor’s Degree or higher in Aerospace Mechanical or Electrical Engineering; or other related discipline.
  • 5+ years of relevant technical experience including (but not limited to):
    • Authoring & Executing Test Procedures
    • Designing & Commissioning Complex Fluid-Mechanical Systems
    • Leading Failure & Anomaly Investigations
  • Strong understanding of and ability to apply engineering fundamentals in fluid thermal mechanical and electrical engineering.
  • Demonstrated knowledge of safety standards common test hazards and appropriate mitigations.
  • Ability to find simple innovative solutions for difficult problems and make critical decisions under pressure.

Nice to haves but not required:

  • Familiarity with Industry Test Standards: e.g. SMC-S-016 MIL-STD-1540D & MIL-STD-810G.
  • In-depth knowledge and experience with test automation data acquisition and control systems.
  • Knowledge of engine components such as pumps valves regulators check valves as well as electric pneumatic and hydraulic valves actuators and other fluid system components.
  • Desire to work hands-on as part of a team in both the development and production phases of a product lifecycle.

At Relativity Space we are committed to transparency and fairness in our compensation practices. Actual compensation will be determined based on experience qualifications and other job-related factors.
Compensation is only one part of our total rewards package. Relativity Space offers competitive salary and equity a generous PTO and sick leave policy parental leave an annual learning and development stipend and more! To see some of the benefits & perks we offer please visit here.

Hiring Range:
$133000$170500 USD

We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race religion color national origin gender sexual orientation age marital status veteran status or disability status.

If you need a reasonable accommodation please contact us at [email protected].


Skills Required

  • Bachelor's degree or higher in Aerospace Mechanical Electrical Engineering or related discipline
  • 5+ years of relevant technical experience
  • Authoring and executing test procedures
  • Designing and commissioning complex fluid-mechanical systems
  • Leading failure and anomaly investigations
  • Strong understanding and application of fluid thermal mechanical and electrical engineering fundamentals
  • Knowledge of safety standards common test hazards and appropriate mitigations
  • Ability to find simple innovative solutions and make critical decisions under pressure
  • Familiarity with industry test standards (e.g. SMC-S-016 MIL-STD-1540D MIL-STD-810G)
  • In-depth knowledge and experience with test automation data acquisition and control systems
  • Knowledge of engine components (pumps valves regulators check valves) and fluid system components (electric pneumatic hydraulic valves actuators)
  • Desire to work hands-on in development and production phases

Relativity Space Compensation & Benefits Highlights

  • Healthcare StrengthComprehensive medical dental and vision coverage with company‑funded HSA contributions mental‑health resources and One Medical are highlighted. EAP access a wellness stipend and gym discounts further reinforce the health and wellness offering.
  • Parental & Family SupportGenerous parental leave and a $10000 stipend for fertility adoption and other family‑building needs are prominently offered. Adoption assistance a return‑to‑work program partnership with Carrot Fertility and an onsite Mother’s Room add depth.
  • Wellbeing & Lifestyle BenefitsEveryday perks include complimentary lunches/snacks visiting food trucks quarterly barbecues offsites and milestone celebrations. An annual learning stipend Lunch‑and‑Learns and conference access support growth and day‑to‑day engagement.

Relativity Space Insights

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The Company
HQ: Long Beach CA
2200 Employees
Year Founded: 2016

What We Do

Relativity Space is on a mission to better connect humanity to space and the universe beyond our planet. Our medium-to-heavy lift reusable rocket Terran R will deliver customer payloads to orbit meeting the growing demand for launch capacity. But that’s just the start. Achieving commercial success with Terran R will unlock new opportunities to advance science exploration and innovation pioneering progress that reaches beyond the known.

Why Work With Us

Joining Relativity means becoming part of something where autonomy ownership and impact exist at every level. Here you're not just executing tasks; you're solving problems that haven’t been solved before helping develop a rocket a factory and a business from the ground up.

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Relativity Space Offices

OnSite Workspace

At Relativity Space we are an office-first company. We believe our best work happens in person—where collaboration is faster problem-solving is sharper and ideas flow more freely.

Typical time on-site: None
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HQThe Wormhole
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Launch Complex 16
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NASA Stennis Space Center
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Kent WA
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Washington DC
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