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Experiencedenergy

Senior Welder

Valar Atomics · Torrance, California, United States

Posted Sep 3, 2026

Est. total comp~$80K–$116K

Apply on Valar Atomics's site ↗

From the posting

About Valar Atomics

At Valar Atomics, we're redefining what's possible in energy. Our mission is to make clean, high-temperature nuclear power scalable—unlocking abundant energy for industry, hydrogen, and next-generation manufacturing. We are a team of builders, engineers, and operators who believe nuclear energy should be fast to deploy, factory-made, and built for the real world. Our first pilot plant in Orangeville, Utah will demonstrate how advanced nuclear systems and fuel fabrication can power the future. Joining Valar Atomics means becoming part of a company where autonomy, ownership, and impact exist at every level.

The Team

As part of the  Manufacturing  organization, the Fabrication/Weld Shop produces complex structural and mechanical assemblies that meet demanding quality and performance requirements. The team combines skilled craftsmanship with disciplined manufacturing practices to support production. 

The Role

Valar Atomics is looking for a Senior Welder to fabricate precision components for our modular nuclear reactor systems. You will perform high-integrity welds on pressure vessels, piping, and structural assemblies, working closely with engineering and quality teams to meet demanding nuclear-grade specifications. This is a hands-on shop-floor role critical to building first-of-a-kind hardware.

Key Responsibilities

Perform GTAW/TIG, GMAW, and SMAW welds on carbon steel, stainless steel, and nickel alloys to nuclear-grade specifications. …

Excerpt from Valar Atomics's public job board. Read the full posting.

Job inventory

Required 6 items

Experience: 5+ years of experience

Skills and tools: AWS, Welding, Blueprints

Certifications and licenses: AWS Certified Welder

Other: Lift up to 50 lbs

Preferred 3 items

Rigging

Skills and tools: Rigging, Forklift

Certifications and licenses: ASME Section IX welder qualification

We have not read this posting carefully yet, so it cannot show as Mission Ready. These items come from a keyword scan.

Get ready for this role

Crew department: Oxygen

Skills this kind of role usually asks for:

Welding
Thermodynamics and chemistry
Cryogenic and high-pressure handling
Electrochemistry basics
Test stand operations

Train for it: the Oxygen Track: Electrolysis, Gases and Pressure Systems. 4 short modules, a quiz after each one and a final test. Pass it and you get the Mars Mining Certificate in Oxygen and Industrial Gas Fundamentals, with its own public page you can link from your resume.

Join the crew and train for this role About Oxygen

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I can do Welding on the job, or have used it in a class or project I can do Thermodynamics and chemistry on the job, or have used it in a class or project I can do Cryogenic and high-pressure handling on the job, or have used it in a class or project I can do Electrochemistry basics on the job, or have used it in a class or project I can do Test stand operations on the job, or have used it in a class or project I have a project or work sample I could show an interviewer My resume is tailored to this kind of role I've practiced answering interview questions for this kind of job

Free. The department comes from the job title and can be off. A Mars Mining certificate shows you studied and passed our test; it isn't a license or academic credit.

About this listing. Pulled automatically from Valar Atomics's public job board and refreshed daily; closed roles are removed. Mars Mining Co. is not the employer, does not take applications and does not screen candidates. Field and level labels come from the job title and can be wrong.

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