Remote Mechanical Engineer – Thermal-Hydraulics NSSS

NuScale Power, LLC; United States; On-site; USD 87,000 - 105,000; Full time

Job summary

NuScale Power, LLC is seeking a thermal-hydraulic engineer to perform analyses of NSSS systems within the NuScale Power Plant. You will apply thermal-hydraulic fundamentals and use tools like RELAP, ANSYS, and GOTHIC to support design advancement.

Collaboration with multi-disciplinary teams and strong written/oral communication are essential. The role emphasizes transient analyses, problem solving, and the ability to adapt in a rapidly evolving environment.

Qualifications

• A BS in Engineering (Mechanical preferred); EIT preferred.
• 2+ years of full-time engineering experience as a thermal-hydraulic engineer.
• Experience analyzing system performance and transient operations (water hammer, high energy line break, steam generator heat transfer).
• Experience with RELAP, ANSYS (Mechanical/CFD), GOTHIC; programming in Python or MATLAB.

Responsibilities

• Use thermal-hydraulic software to analyze NSSS designs.
• Perform and check engineering evaluations per NuScale procedures; apply fundamentals in hydraulics and mechanics.
• Prepare, check, review calculations and reports on flow-induced vibration.
• Coordinate with other disciplines for design problem resolution; multi-disciplinary exposure.
• Demonstrate strong written and oral communication; perform other duties as assigned.

Skills

Thermal-hydraulics

Engineering analysis

Python

MATLAB

Communication

Team collaboration

Education

Bachelor's degree in Engineering (Mechanical preferred)

Tools

RELAP

ANSYS

GOTHIC

Job description

NuScale Power, LLC is seeking a thermal-hydraulic engineer to perform analyses of NSSS systems within the NuScale Power Plant. You will apply thermal-hydraulic fundamentals and use tools like RELAP, ANSYS, and GOTHIC to support design advancement.

Collaboration with multi-disciplinary teams and strong written/oral communication are essential. The role emphasizes transient analyses, problem solving, and the ability to adapt in a rapidly evolving environment.