
Propulsion Components Test Specialist III
Compensation
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Job Description
At Relativity Space, weâre building rockets to serve todayâs needs and tomorrowâs breakthroughs. Our Terran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launch capacity. But thatâs 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 havenât been solved before, helping develop a rocket, a factory, and a business from the ground up. Whether youâre in propulsion, manufacturing, software, avionics, or a corporate function, youâll 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 weâre writing together. Now is a unique moment in time where itâs 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. Youâre 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 Râs aggressive launch manifest.
About the Role:
- Build & Commission new test assets and systems - incorporating fluid, mechanical, and electrical components â to unlock new capabilities or enhance existing ones.
- Author & Optimize test sequences, procedures, and operational processes to support first-article development and transition into high-volume production.
- Identify & Mitigate hazards in a fast-paced test environment to ensure the safety of all personnel.
- Mentor & Train production technicians on test equipment operation and best practices.
- Plan & Execute test campaigns in collaboration with Engineering to achieve Development, Qualification, and Acceptance test objectives.
About You:
- At minimum: High School Diploma or GED.
- 5+ years of relevant technical experience, including (but not limited to):
- Authoring & Executing Test Procedures
- Building Complex Fluid-Mechanical Systems
- Operating hazardous equipment with multiple sources of energy
- Proficiency with Basic Office Software (Excel, Word, Outlook, Slack).
- Demonstrated knowledge of safety standards, common test hazards, and appropriate mitigations.
- Desire to teach and mentor less experienced team members.
- Ability to precisely plan an activity, then execute according to that plan with minimal changes.
Nice to haves but not required:
- Associates Degree or Trade Certifications in pertinent disciplines: e.g., Aviation/Automotive Mechanic.
- 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 rocket 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.
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].
Job Details
- Department
- Manufacturing
- Category
- Mechanical
- Employment Type
- Full Time
- Location
- Long Beach, California
- Last updated
- Dec 17, 2025, 05:18 PM
- Compensation
- $48.25 - $61.6 per hour
About Relativity Space
Part of the growing space industry ecosystem pushing humanity toward interplanetary exploration.
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