Cryogenic Test Systems Engineer

Relativity Space, Inc.; Long Beach (CA); Hybrid; USD 55,000 - 83,000; Full time

Job summary

Relativity Space, Inc. is seeking a hands-on professional to support the Factory Test team at our Long Beach facility. You will design, build, and operate pressurized cryogenic/pneumatic/hydraulic systems for cutting-edge rocket testing, and develop real-time data control solutions with engineers.

The role emphasizes hazard mitigation, test planning, and resolving reliability issues to boost hardware performance. A first-shift schedule with overtime is provided in a collaborative environment.

Qualifications

• High School Diploma or GED required.
• 4+ years of relevant technical experience in rocket/test environments.
• Proficiency with basic office software (Excel, Word, Outlook, Slack).

Responsibilities

• Design, build, and operate pressurized cryogenic/pneumatic/hydraulic systems for rocket testing.
• Develop and manage advanced data control systems for real-time monitoring and analysis.
• Provide expert guidance to engineers on testing practices, system capabilities, and limitations.
• Proactively identify and mitigate hazards to ensure a safe testing environment.
• Create, maintain, and refine test plans and procedures for reliability.
• Troubleshoot and resolve reliability issues to improve hardware performance.

Skills

Office software

Communication

Problem-solving

Education

High School Diploma or GED

Tools

Test automation

Data acquisition

Control systems

Job description

Factory Test Technical Specialist II - 1st Shift

Long Beach, California, United States

At Relativity Space, we’re building rockets to serve today’s needs and tomorrow’s breakthroughs. OurTerran R vehicle will deliver customer payloads to orbit, meeting the growing demand for launchcapacity. But that’s just the start. Achieving commercial success with Terran R will unlock newopportunities to advance science, exploration, and innovation, pioneering progress that reaches beyondthe 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. Nowis a unique moment in time where it’s early enough to leave your mark on the product, the process, andthe culture, but far enough along that Terran R is tangible and picking up momentum. The mostmeaningful work of your career is waiting. Join us.

About the Team:

The Factory Test team is responsible for all hazardous testing in our Long Beach facilities. We use our breadth of experience and collaborative engineering approach to support everything from very large structural tests to precise valve actuation. To that end, we design, build, and operate all test assets in Long Beach from initial concept to test execution. If you enjoy working on a multi-disciplinary team with a broad mandate and want to put hands on hardware, then this is the team for you.

This is a first-shift position with a standard schedule of Monday through Friday, 5:00 a.m. to 3:30 p.m. PT. The role is structured around a 50-hour workweek, including 10 guaranteed overtime hours each week.

About the Role:

• Design, build, and operate pressurized cryogenic/pneumatic/hydraulic systems to support cutting-edge rocket testing.
• Develop and manage advanced data control systems for real-time monitoring and analysis.
• Provide expert guidance to engineers on testing best practices, system capabilities, and operational limitations.
• Proactively identify and mitigate hazards to ensure a safe and efficient testing environment.
• Create, maintain, and refine test plans and procedures to drive consistent and reliable testing outcomes.
• Troubleshoot and resolve reliability issues, improving hardware performance and test effeciency

About You:

• High School Diploma or GED.
• 4+ years of relevant technical experience, including (but not limited to):
  • Experience working with pressureized flight components
  • Operating hazardous equipment with multiple sources of energy
  • Building Complex Fluid-Mechanical Systems
• Proficiency with Basic Office Software (Excel, Word, Outlook, Slack).

Nice to haves but not required:

• Associates Degree or Trade Certifications in pertinent disciplines: e.g., Aviation/Automotive Mechanic.
• 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.

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:

$40.20 - $60.30 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.

Please note: Relativity Space does not accept unsolicited resumes, candidate profiles, or referrals from recruitment agencies or search firms. Any unsolicited submission - via email, our website, social media, or directly to an employee - will be deemed the property of Relativity Space, and no fee will be owed absent a current, fully executed agreement with Talent Acquisition that specifically authorizes submissions for the applicable role.

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