Pipefitter I

Relativity Space; Mississippi; On-site; USD 31,409 - 47,113; Full time

Benefits offered by this job

Equity

PTO & sick leave

Parental leave

Learning stipend

Job summary

Relativity Space is building the Terran R rockets at the Stennis, Mississippi site, with a hands-on Pipefitter / Structural fitter role focused on new test stand facilities and modifications to support critical site testing milestones.

You will read blueprints, use welding equipment (TIG/MIG), and perform part layout and fit-up, with occasional night shifts and travel. The team collaborates across propulsion, manufacturing, and operations in a fast-paced environment.

Qualifications

• 2+ years of pipefitting experience.
• Must be able to lift a minimum of 50 lbs. unassisted, stand for extended periods, and use industry standard PPE.
• Ability to read and understand blueprints, technical documents, and/or engineering drawings.
• Experience using welding equipment (TIG, MIG, etc.).
• Experience and ability to perform part layout and fit-up.
• This position will require occasional night shifts and possible travel.

Responsibilities

• Assemble, modify, and build new test stand facilities.
• Modify existing test stands to support site testing milestones.
• Work with technicians, operators, and engineers to ensure flight readiness.

Skills

Pipefitting

Blueprint reading

Welding (TIG/MIG)

Layout & fit-up

Night shifts / travel

Job description

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.

About the Role:

As a Pipefitter / Structural fitter, you will perform functions in building of new test stand facilities and modifying existing test stands to support site testing milestones.

About You:

• 2+ years of experience working as a Pipefitter
• Must be able to lift a minimum of 50 lbs. unassisted, stand for extended periods, and use industry standard PPE
• Ability to read and understand blueprints, technical documents, and/or engineering drawings
• Experience using a variety of welding equipment (TIG, MIG, etc.)
• Experience and ability to perform part layout and fit-up
• This position will require occasional night shifts and possible travel

Nice to haves but not required:

• Advanced knowledge of fluid systems and their components
• Advanced knowledge engineering ISO prints
• Advanced knowledge and ability using welding systems and their components

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.

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: $22.80 - $34.20 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 [e-mail].