Welder III

Relativity Space; Mississippi; On-site; USD 69,056 - 103,584; Full time

Benefits offered by this job

Competitive salary

Equity

Generous PTO & sick leave

Parental leave

Learning stipend

Job summary

Relativity Space is seeking a Welder III to join the Stennis Test team, building and modifying test stands to support site milestones. You will read blueprints, prepare materials, and perform welds across SMAW, GMAW, GTAW, and FCAW.

This on-site role requires 5+ years of welding experience, ability to lift 50 lbs, and occasional night shifts or travel. You’ll work with TIG/MIG processes and layout tasks, under safety and quality standards at our government partner location in Stennis,

Qualifications

• 5+ years of welding experience.
• Ability to read blueprints and technical drawings.
• Experience with TIG, MIG welding and other processes.
• Must lift 50 lbs, stand for long periods, and wear PPE.
• Night shifts and occasional travel may be required.

Responsibilities

• Reads and interprets blueprints and specifications to determine pipe layouts, materials, and installation procedures.
• Knowledgeable and competent in various welding processes, including SMAW, GMAW, GTAW, and FCAW.
• Prepare and fit materials for welding, including cutting and grinding. Perform welds in multiple positions (flat, horizontal, vertical, overhead).
• Inspect completed welds for quality and conformance to specifications.
• Use measuring tools and layout tools accurately, operate grinders, torches, and other tools for prepping material.
• Proactively perform work according to procedures, specifications, and work instructions; monitor and maintain an inventory of consumables, tooling, and equipment.

Skills

Blueprint reading

Welding

Welding processes

Fit-up / layout

Lifting 50 lbs

Night shifts / travel

Education

5+ years welding experience

Tools

TIG welding

MIG welding

Other welding equipment

Job description

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 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 Welder III, you will perform functions in building of new test stand facilities and modifying existing test stands to support site testing milestones.

Responsibilities:

• Reads and interprets blueprints and specifications to determine pipe layouts, materials, and installation procedures.
• Knowledgeable and competent in various welding processes, including SMAW, GMAW, GTAW, and FCAW.
• Prepare and fit materials for welding, including cutting and grinding. Perform welds in multiple positions (flat, horizontal, vertical, overhead).
• Inspect completed welds for quality and conformance to specifications.
• Use measuring tools (tape, square, level) and layout tools (chalk lines, torpedo levels, etc.) accurately, operate grinders, torches, and other tools for prepping material.
• Proactively perform work according to procedures, specifications, and work instructions monitor and maintain an inventory of consumables, tooling, and equipment.

About You:

• 5+ years of experience working as a welder
• 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.

• competitive salary and equity
• a generous PTO and sick leave policy
• parental leave
• an annual learning and development stipend
• and more!

Hiring Range: $33.20 — $49.80 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].