Probabilistic Safety Analysis Engineer – New Nuclear

Thomas Thor; United States; On-site; USD 110,000 - 170,000; Full time

Job summary

Thomas Thor, based at Columbia Generating Station in Richland, WA, seeks engineers to deliver advanced reactor PSA/PRA activities on a long-term onsite contract. You will work across design, licensing, and construction phases, applying NRC requirements and NEI/EPRI/ASME guidance to develop PSA models and support critical decisions.

The role offers a pathway from Engineer I to III with increasing responsibilities, including mentoring junior engineers and contributing to policy development for

Qualifications

• Bachelor's degree in Engineering required for all levels.
• Engineer I requires 1+ year of experience.
• Engineer II requires 3+ years of experience.
• Engineer III requires 7+ years of experience.
• PE license may be substituted for degree requirements at the appropriate level.

Responsibilities

• Perform complex PSA/PRA analyses including hazard analysis, consequence evaluation, and defense-in-depth assessments.
• Support Owners Engineer activities across design, licensing, and construction phases of advanced reactor projects
• Participate in design reviews and provide technical input on new nuclear technologies and progressive design/build programmes
• Interpret and apply regulatory requirements (NRC) and industry guidance (NEI, EPRI, ASME/ANS standards)
• Develop and review PSA models, including initiating events, event sequences, and uncertainty/sensitivity analyses
• Provide schedule inputs and support project planning activities
• Identify design, operational, or quality issues and initiate corrective actions
• Provide technical leadership, mentoring, and guidance to junior engineers
• Support development of procedures, programmes, and engineering policies aligned with strategic objectives

Skills

PSA/PRA analysis

PRA model development

NRC regulations

Seismic PRA

Fire PRA

Technical leadership

Education

Bachelor's degree in Engineering

Job description

We are supporting a major nuclear operator in the US on the development and delivery of advanced reactor technologies based at Columbia Generating Station in Richland, WA. This is a long-term onsite contract (1 year+) offering the opportunity to contribute directly to new nuclear projects, including design, licensing, and construction activities within a highly regulated environment.

The role focuses on delivering complex Probabilistic Safety Analysis (PSA/PRA) activities, supporting both existing operations and next-generation reactor programmes.

Key Responsibilities:

• Perform complex PSA/PRA analyses including hazard analysis, consequence evaluation, and defense-in-depth assessments
• Support Owners Engineer activities across design, licensing, and construction phases of advanced reactor projects
• Participate in design reviews and provide technical input on new nuclear technologies and progressive design/build programmes
• Interpret and apply regulatory requirements (NRC), as well as industry guidance (NEI, EPRI, ASME/ANS standards)
• Develop and review PSA models, including initiating events, event sequences, and uncertainty/sensitivity analyses
• Provide schedule inputs and support project planning activities
• Identify design, operational, or quality issues and initiate corrective actions
• Provide technical leadership, mentoring, and guidance to junior engineers
• Support development of procedures, programmes, and engineering policies aligned with strategic objectives

Requirements:

Engineer I:

• Bachelor's degree in Engineering
• 1+ year of relevant experience

Engineer II:

• Bachelor's degree in Engineering
• 3+ years of relevant experience

Engineer III:

• Bachelor's degree in Engineering
• 7+ years of relevant experience

(PE license may be considered in lieu of degree requirements as per experience level)

Desired Experience & Skills:

• Experience with PSA/PRA methodologies and standards (ASME/ANS RA-S-1.4)
• Strong background in PRA model development, including initiating events, event sequences, and quantitative analysis
• Knowledge of transient and accident analysis, including source term evaluation
• Experience interpreting PSA results and applying them to engineering decisions
• Familiarity with Seismic and Fire PRA
• Exposure to advanced reactor technologies (e.g. HTGR or similar designs)
• Experience supporting large-scale nuclear construction projects
• Familiarity with NEI guidance (e.g. NEI 18-04)
• Ability to work independently and provide technical leadership on complex engineering challenges