Nuclear Reactor Simulator Engineer – Real-Time Training

TerraPower; Wyoming (OH); On-site; USD 127,000 - 212,000; Full time

Benefits offered by this job

Competitive compensation

Salary plus discretionary incentive

Medical and wellness benefits

PTO 21 days annually

Relocation assistance

401(k) plan

Job summary

TerraPower is seeking a Simulator Engineer to design, develop, and sustain a FOAK fast sodium reactor training simulator. You will work across FORTRAN, C++, Python, and real-time platforms (R*Time, RTP) to support operator training and scenario development.

Responsibilities include model development, platform configuration, and collaboration with design, I&C, and training teams to ensure simulator fidelity for normal, transient, and off-normal conditions. Travel may be required.

Qualifications

• Bachelor's degree in Nuclear Engineering, Mechanical Engineering, Electrical Engineering, Computer Science, or related technical discipline or equivalent experience.
• Minimum 3–5 years of training simulator engineering, real-time simulation, or plant system modeling in a regulated environment.
• Proficiency in FORTRAN, C++, and Python programming languages.
• Experience with real-time simulation platforms (R*Time and/or RTP).
• Familiarity with 3 Key Master or equivalent configuration management environments.
• Strong analytical, debugging, and problem-solving skills.
• Excellent communication and documentation abilities.

Responsibilities

• Develop, maintain, and enhance dynamic models of reactor systems using FORTRAN, C++, and Python.
• Configure, maintain, and troubleshoot real-time simulation platforms and integrate with control hardware.
• Use 33 Key Master tools for model version control, configuration management, and benchmarking.
• Collaborate with engineers, training staff, and human factors experts to ensure fidelity.
• Participate in simulator upgrade projects, including rehosting and I&C adaptation.
• Perform acceptance testing, validation, and model verification against design basis events.

Skills

FORTRAN

C++

Python

R*Time

RTP

3 Key Master

Model version control

Team collaboration

Education

Bachelor's degree in Nuclear Engineering

or related technical discipline

Tools

R*Time

RTP

3 Key Master

Job description

TerraPower is seeking a Simulator Engineer to design, develop, and sustain a FOAK fast sodium reactor training simulator. You will work across FORTRAN, C++, Python, and real-time platforms (R*Time, RTP) to support operator training and scenario development.

Responsibilities include model development, platform configuration, and collaboration with design, I&C, and training teams to ensure simulator fidelity for normal, transient, and off-normal conditions. Travel may be required.