Hybrid PSA Engineer I — Nuclear Risk & Safety Modeling

Holtec International; Camden (AL); On-site; USD 115,000 - 140,000; Full time

Benefits offered by this job

Health insurance

401(k) matching

Paid time off

Education assistance

Employee assistance program

Hybrid work options

Job summary

Holtec International in Camden, NJ is seeking a Probabilistic Safety Analysis (PSA) Engineer I to support PSA methodologies for the SMR-300 program, collaborating with design, safety analysis, licensing, and systems engineering teams to ensure safe, reliable plant performance.

Responsibilities include developing PRA models, performing RELAP5-3D/MELCOR analyses, and creating event/fault trees to quantify CDF and LRF, while ensuring deliverable quality and regulatory conformity.

Qualifications

• B.S. degree in nuclear engineering, mechanical engineering, or closely related field.
• Familiarity with LWR thermal-hydraulic behavior.
• Familiarity with probabilistic risk assessment and/or thermal-hydraulic analysis methods for LWRs.
• Exposure to industry codes such as CAFTA, SAPHIRE, RiskSpectrum, RELAP5-3D, MELCOR.
• 2–4 years of PRA or thermal-hydraulic safety analysis experience.
• Excellent technical writing, interpersonal, and communication skills.
• Eligible to work under 10 CFR Part 810.

Responsibilities

• Support development of PRA modules and related thermal-hydraulic analyses under supervision.
• Develop Level 1 and Level 2 PRA models for internal and external events.
• Model thermohydraulics using RELAP5-3D and MELCOR for severe-accident scenarios.
• Create event trees and fault trees to estimate CDF and LRF.
• Maintain PSA models as the SMR-300 design matures.
• Support risk-informed programs and regulatory treatment initiatives.
• Interface with design teams to implement PSA insights.
• Ensure consistency and quality of PSA deliverables.

Skills

Technical writing

Interpersonal skills

Communication skills

Education

B.S. in Nuclear Engineering or Mechanical Engineering

Tools

CAFTA

SAPHIRE

RiskSpectrum

RELAP5-3D

MELCOR

Job description

Holtec International in Camden, NJ is seeking a Probabilistic Safety Analysis (PSA) Engineer I to support PSA methodologies for the SMR-300 program, collaborating with design, safety analysis, licensing, and systems engineering teams to ensure safe, reliable plant performance.

Responsibilities include developing PRA models, performing RELAP5-3D/MELCOR analyses, and creating event/fault trees to quantify CDF and LRF, while ensuring deliverable quality and regulatory conformity.