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Associate Nuclear Safety Analyst

Job in Almondsbury, North Fringe of Bristol, Gloucestershire, England, UK
Listing for: Holtec International
Full Time position
Listed on 2025-12-30
Job specializations:
  • Engineering
    Electrical Engineering, Systems Engineer
Job Description & How to Apply Below
Location: Almondsbury

Join to apply for the Associate Nuclear Safety Analyst role at Holtec International
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Holtec International seeks qualified applicants in its Deterministic Safety Analysis (DSA) discipline. The DSA engineer will join a multidisciplinary team of engineers engaged in designing Holtec’s flagship nuclear reactor SMR‑300, managed by SMR, LLC, a subsidiary of Holtec International. Holtec International is a global turnkey supplier of equipment and systems for nuclear, solar, geothermal, and fossil power generation sectors of the energy industry.

The DSA engineer will be responsible for developing methods and performing analyses to demonstrate that the SMR‑300 satisfies its safety and licensing requirements. These analyses include evaluations of the reactor core, reactor coolant system, engineered safety features, containment, and radiological releases associated with anticipated operational occurrences (AOOs) and design basis accidents (DBAs). Additionally, the DSA group is responsible for the development, verification, and validation of the computer codes used in these analyses.

Minimum Qualifications
  • B.S. degree in nuclear engineering, mechanical engineering, or a closely related field from an accredited college or university
  • Familiarity with thermal‑hydraulic behavior of light water reactors (LWRs)
  • Familiarity with industry computer codes such as RELAP5, RETRAN, COBRA, VIPRE, GOTHIC, etc.
  • Excellent technical writing, interpersonal, and communication skills
  • Eligible to work under 10 CFR Part 810

As a technology trailblazer and a prominent innovator in the clean energy (nuclear and solar) industry, Holtec strives to foster a meritocratic work environment conducive to continuous learning and professional growth of its associates. Holtec is an equal opportunity employer with a long‑standing commitment to social equity and environmental justice and gives special preference to disabled veterans as part of its recruitment policy.

Detailed information on the company can be obtained by consulting the website:

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Position Requirements
10+ Years work experience
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