Relativity Space
Direct Greenhouse career site

Apprentice Propulsion Test Technician

Location
Stennis Space Center, MS · On-site
Job type
Full-time
Level
Entry level
Education
Associate degree
Listed
14 days ago

Skills & highlights for this role

  • Basic experience in medium to heavy industrial maintenance, instrumentation, data and control systems, avionics hardware, or mechanical systems, OR an Associate's degree in a related mechanical or electrical technical discipline
  • Ability to operate a wide range of hand and power tools
  • Ability to lift 50 lbs unassisted
  • Ability to stand for extended periods
  • Ability to stoop, bend, crawl, and maneuver in tight spaces

Also useful

  • Experience with fluid/pneumatic systems and components (mechanical focus)
  • Experience with mechanical components and their systems (mechanical focus)
  • Experience with electronic circuits and sensor types measuring temperature, pressure, flow, displacement, and vibration (instrumentation focus)
  • Background in aviation, automotive, manufacturing, offshore operations, industrial systems, or construction

About the Role

As an Apprentice Propulsion Test Technician, you will perform functions in daily test operations supporting engine testing, building of new test stand facilities, and modifying existing test stands.

  • Perform the installation, operational checkouts, troubleshooting, and maintenance of test stand equipment and hardware
  • Fabrication, installation, troubleshooting, and maintenance of fluid system tubing and hardware
  • Assemble, install, checkout, and maintain a wide array of components that include sensors for fluid system monitoring
  • Proactively perform work according to procedures, specifications, and test instructions
  • Disassembly and precision cleaning of valves, regulators, and other components
  • Monitor and maintain an inventory of consumables, tooling, and equipment
  • Must be able to lift a minimum of 50 lbs unassisted
  • Must be able to stand for extended periods
  • Must be able to stoop, bend, crawl, and maneuver in tight spaces
  • This position will require occasional night shifts, weekends and possible travel

About You

Basic experience in medium to heavy industrial maintenance, instrumentation, data and control systems, avionics hardware, and/or mechanical systems OR Associates degree in related mechanical of electrical technical discipline. Each technician has a primary focus area: mechanical or instrumentation. Below are skills needed for all technicians as well as skills necessary for each focus area.

  • Ability to operate a wide range of hand and power tools for fabrication operations

Skills needed for each focus area

  • Mechanical:
  • Experience with fluid/pneumatic systems and their components
  • Experience with mechanical components and their systems
  • Instrumentation:
  • Experience with electronic circuits and sensor types used to measure temperature, pressure, flow, displacement, and vibration
  • Experience with electronic test equipment, e.g. oscilloscopes, signal generators, and/or multi-meters

Nice to haves but not required

  • Experience operating industrial warehouse equipment
  • Operational understanding of sensor types used to measure temperature, pressure, flow, and displacement
  • Experience installing and making repairs to instrumentation, data acquisition systems, and/or avionics systems
  • Experience fabricating, installing, and checking out fluid system tubing and hardware

Additional information

Successful candidates must clear a background check administered by the US government to obtain clearance for on-site work at our government partner location in Stennis, Mississippi.

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.

Pay and benefits

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: $23.27 - $34.90 USD

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.

About Relativity Space

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 Stennis Test team designs, builds, and operates Relativity's propulsion and stage test stands. Team members are hands-on with large-scale, complex systems including fully integrated engines and stage assemblies, pushing hardware to the limits and directly contributing to flight readiness.

The work is fast-paced and highly operational, ideal for those with backgrounds in aviation, automotive, manufacturing, offshore operations, industrial systems, construction, or adjacent industries. You'll work in a close-knit, dynamic environment where collaboration between technicians, operators, and engineers is not only encouraged, but expected.

As the company scales, the Stennis Test team becomes even more critical to unlocking our next phase of growth: proving out full-stage systems and paving the way for routine, reliable flights of Terran R.

Read the original posting

From Relativity Space's careers page, first listed on Rolev.ai on October 26, 2026. Rolev.ai is not the employer.

How Rolev.ai helps with this application

Rolev.ai is a job search and application tool for US job seekers. For this Apprentice Propulsion Test Technician role at Relativity Space, it shows how your resume fits, tailors your resume to the posting, and prepares the application for you to review.

  • See how you fit

    Openings from employer career sites are ranked against your whole resume—and searchable inside Claude, ChatGPT, and Cursor via Rolev.ai MCP.

  • Tailor without inventing

    Every change to your resume is checked against your original. New experience goes in only with your yes—zero fabricated claims.

  • Draft the full kit

    Tailored and Full Match resumes, role-specific cover letters, and answers to employer screening questions are prepared in seconds.

  • 1-Click Extension Autofill

    The Chrome extension fills the employer's Greenhouse, Workday, Lever, or Ashby form in 1 click. You review it and press Submit.

Common questions

Where is the Apprentice Propulsion Test Technician job at Relativity Space located?

This Apprentice Propulsion Test Technician position at Relativity Space is located in Stennis Space Center, MS (On-site). Always check Relativity Space's application page for specific state eligibility or relocation policies.

What qualifications are required for Apprentice Propulsion Test Technician at Relativity Space?

For the Apprentice Propulsion Test Technician role, Relativity Space highlights a associate degree; experience with Basic experience in medium to heavy industrial maintenance, instrumentation, data and control systems, avionics hardware, or mechanical systems, OR an Associate's degree in a related mechanical or electrical technical discipline, Ability to operate a wide range of hand and power tools, Ability to lift 50 lbs unassisted, Ability to stand for extended periods, Ability to stoop, bend, crawl, and maneuver in tight spaces. Rolev.ai can score your existing resume against these requirements and show any skill gaps before you apply.

How do I apply for the Apprentice Propulsion Test Technician position at Relativity Space?

This listing links directly to Relativity Space's Greenhouse application page. You can apply directly on Relativity Space's site, or use Rolev.ai to check your resume fit, generate a zero-hallucination tailored resume and cover letter for this posting, and autofill the Greenhouse application form in 1 click with the Rolev.ai Chrome extension. You always review the form and press Submit yourself.