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 Engineering organization, Mechanical Engineering designs and develops the mechanical systems, components, and equipment that power Valar's advanced nuclear technologies. The team ensures designs are robust, manufacturable, and optimized for long-term performance .

The Role

The Mana ger of Me chanical Design lead s a shared me chanical design t eam that support s efforts across fuel equipment d esign, high- temp -gas-reac tor design, and turbo machiner y design . This role is for a hand s-on engineering le ader who can build a cross fu nctional te am that spans a var iety of engi neering dis ciplines , and contex t switch qui ckly betw een pr ograms at Valar . Candidates from oil & gas, aerospace propulsion, or industrial turbomachinery ar e strong ly pr ef e rred .  Nuclear  background is a plus, not a prerequisite.

Key Responsibilities

Build and lean an in-house Mechanical Design organization, including hiring, organizational design, technical standards, and development of mechanical designers

Own the highest level assemblies, bills of materials, and layouts for all of our projects

Manage software selection, templates, workflows, and cross-functional decision making

Collaborate with our in-house software engineering team on interfaces between models, supply chain systems, and manufacturing systems

Define and enforce requirements for 3D modelling and 2D drawings

You Will Be Successful in This Role If

You have previously led high functioning Mechanical Design organizations

You are comfortable designing plumbing, harnessing, machined components, and large assemblies

You enjoy working across disciplines and organizing stakeholders through design detail

You are passionate about good modelling, GD&T, and collaborating with many different groups

Basic Qualifications

5+ years of experience in mechanical design, including piping, tubing, harnessing, and complex assemblies

2+ years of experience managing a mechanical design team

Deep expertise in Solidworks, NX, or a similar program

Deep expertise in PLM software and working in a manufacturing environment

Proven ability to build teams, hire strong designers, and deliver on aggressive schedules

Preferred Skills and Experience

Experience with ASME BPVC and ASME B31 design

Experience working in the nuclear industry

Experience in startup or rapid-growth environments

Experience owning plant level models and driving design reviews at the plant level

What We Offer

Competitive base salary

Equity ownership in a rapidly growing advanced energy company

Comprehensive medical benefits

Unlimited PTO

Free daily lunch and dinner provided onsite

Generous PPE stipend

High-impact startup environment with significant ownership and autonomy

Opportunities for rapid career growth and internal advancement

Direct collaboration with experienced operators, engineers, and industry leaders

The opportunity to help build and scale transformative energy technology from the ground up

Equal Employment Opportunity Statement

Valar Atomics is an equal opportunity employer. We consider all qualified applicants without regard to race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, veteran status, or any other protected status under applicable law.

We are committed to providing a workplace free of discrimination and harassment and will provide reasonable accommodation as required by law.

Applicants must be legally authorized to work in the United States as a U.S. citizen or lawful permanent resident (green card holder). Salary $173,000 — $211,000 USD