Small Modular Reactor (SMR) Engineer

Nuclear Mid-level (L4 equivalent) 2-5 years

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GE Vernova

Westinghouse

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Oklo

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The job description

Tech stack. SMR design codes, passive safety system analysis, modular construction methods, NRC licensing Part 50 or 52, thermal-hydraulic codes, factory fabrication processes, Python and MATLAB

About the role

You will engineer the next generation of nuclear power at an SMR vendor, where smaller, modular, factory-built reactors promise to change how the world deploys clean energy. The team designs passive safety systems, develops the licensing basis, and works with manufacturing on buildable designs. You will perform analyses, support first-of-a-kind engineering, and help prove these designs to regulators. This role matters because SMRs represent the industry's best path to rapid deployment, and your engineering determines whether these designs clear licensing and reach construction. You will also work with supply chain partners qualifying novel components for nuclear service, bridging design requirements and manufacturing reality. Your analyses will support the economic case for SMRs by demonstrating how passive safety reduces operational complexity and staffing needs. You will contribute to the standardization strategy that makes factory production economical, resisting site-specific customization that destroys the business model. Your licensing interactions will help establish the regulatory precedents that all subsequent SMR projects will follow.

What you will achieve

Complete design analyses for SMR systems with results supporting licensing submittals on the project schedule.
Develop passive safety system designs demonstrating adequate cooling for 72+ hours without operator action or AC power.
Support factory fabrication engineering, resolving design-for-manufacturing issues that reduce module build cost.
Prepare licensing documentation sections the NRC accepts with minimal requests for additional information.
Contribute to first-of-a-kind testing programs validating key thermal-hydraulic phenomena for the design.

What you will bring

Must-haves

2 to 5 years in nuclear engineering with reactor design, systems, or safety analysis experience.
Understanding of passive safety principles: natural circulation, gravity-driven injection, and heat removal without power.
Familiarity with NRC licensing processes under 10 CFR Part 50 or Part 52.
Experience with thermal-hydraulic analysis codes applied to reactor system design.
Ability to work in a fast-moving development environment where designs evolve rapidly.
Strong fundamentals in reactor physics and thermal hydraulics for novel design evaluation.
Comfort with ambiguity: first-of-a-kind engineering requires judgment with incomplete information.

Nice-to-haves

Experience with modular construction or factory fabrication engineering.
Knowledge of advanced reactor concepts beyond light water designs.
Familiarity with DOE cost-share programs or advanced reactor demonstration projects.
Experience with design certification or combined license application development.