Probabilistic Risk Engineer III
About The Position
Holtec International seeks qualified applicants in its Probabilistic Safety Analysis (PSA) discipline. The PSA Engineer III will join a multidisciplinary team of engineers engaged in designing Holtec's flagship nuclear reactor SMR-300 managed by SMR, LLC, which is a subsidiary of Holtec International. Holtec International a global turnkey supplier of equipment and systems for nuclear, solar, geothermal, and fossil power generation sectors of the energy industry. The PSA Engineer III will be responsible for leading development of PRA modules and/or associated thermal-hydraulic analyses that support risk-informed design and licensing activities. Responsibilities include development of Level 1 and Level 2 PRA models for internal and external events during full power and low power / shutdown operating modes. Engineers with a thermal-hydraulic specialization will lead RELAP5-3D and MELCOR modeling to simulate core and containment response for severe accident scenarios that inform PRA quantifications. The Engineer III will interface with the design team to communicate and implement PSA insights, mentor junior staff, and ensure consistency and quality of all PSA deliverables.
Requirements
- B.S degree in nuclear engineering, mechanical engineering, or closely related field from an accredited college or university
- Familiarity with thermal-hydraulic behavior of light water reactors (LWRs)
- Expertise with industry codes and methods associated with PSA calculations and thermal-hydraulic modeling (CAFTA, SAPHIRE, RiskSpectrum, RELAP5-3D, MELCOR)
- 6–10 years of experience in PSA and/or thermal-hydraulic safety analysis within the nuclear industry
- Experience with PSA specialty areas such as external hazards (fire, flood, high winds, seismic) or low power/shutdown modes
- Comprehensive knowledge of PSA regulatory requirements and ASME/ANS PRA Standards
- Excellent technical writing, interpersonal, and communication skills
- Eligible to work under 10 CFR Part 810
Responsibilities
- Leading development of PRA modules and/or associated thermal-hydraulic analyses that support risk-informed design and licensing activities.
- Development of Level 1 and Level 2 PRA models for internal and external events during full power and low power / shutdown operating modes.
- Lead RELAP5-3D and MELCOR modeling to simulate core and containment response for severe accident scenarios that inform PRA quantifications.
- Interface with the design team to communicate and implement PSA insights
- Mentor junior staff
- Ensure consistency and quality of all PSA deliverables.
Benefits
- Industry‑leading medical, dental, and vision coverage with a generous employer premium contribution and Day 1 eligibility!
- FLEX Program – Hybrid work opportunities available for eligible roles, where business needs and role requirements allow
- 401(k) retirement plan with up to a 5% company match and immediate vesting to support long‑term financial security
- Paid time off and 11 paid holidays to support rest, balance, and recharge
- Wellness program offering rewards for participation in company‑supported health initiatives
- Commuter benefits supporting mass transit and commuter parking options
- Company‑paid life and AD&D insurance for added peace of mind
- Education assistance to support continued education and professional growth
- Employee support and voluntary benefits, including an Employee Assistance Program and optional coverage such as disability, legal, identity theft, and insurance programs
- Benefits eligibility and offerings may vary based on role, location, and employment status
Stand Out From the Crowd
Upload your resume and get instant feedback on how well it matches this job.
What This Job Offers
Job Type
Full-time
Career Level
Mid Level
Number of Employees
501-1,000 employees
