Mechanical Engineer 3 – NSSS System Design

NuScale Power

Mechanical Engineer 3 designing NSSS components at NuScale Power. Collaborating on fluid systems and multidisciplinary projects to ensure compliance with nuclear standards.

Posted 4/14/2026full-timeRemote • Oregon • 🇺🇸 United StatesMid-LevelSenior💰 $108,908 - $131,441 per yearWebsite

About the role

Key responsibilities & impact

Apply technical knowledge in reviewing and evaluating various plant systems to ensure design, performance, inspection and testing requirements are defined.
Support preparation, and review of engineering reports, specifications, drawings, calculations, and other design and testing documents.
Support a multi-discipline team on very complex tasks in multiple and diverse areas.
Collaborate with project engineers on scope and project requirements.
Plans, organizes, and performs complex assignments in support of developing licensing scope.
Generate technical requirements for NSSS systems, structures and components.
Perform and check engineering evaluations in accordance with NuScale company procedures, by applying sound engineering judgement.

Requirements

What you’ll need

A minimum of a B.S. degree in Engineering, preferably Nuclear or Mechanical Engineering, from a four year ABET accredited college or university is required.
Minimum of 5 years of full-time, relevant professional experience is required.
Good communication, computer, presentation and interpersonal skills with a high degree of attention to detail.
Solid technical writing skills, exceptional organizational skills and the ability to manage projects with multiple work phases.
Specific experience in the following areas is highly desired: Possess a working knowledge of ASME Codes and Standards and 10CFR 50 Nuclear Utility or plant experience and knowledge NSSS System/Component Design, Inspection & Testing.
Eligible to work under Department of Energy 10 CFR Part 810.

Benefits

Comp & perks

Employee Benefits | NuScale Power

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

engineering evaluationstechnical writingdesign specificationscalculationsNSSS systems designinspectiontestingproject managementengineering judgementASME Codes and Standards

Soft Skills

communicationpresentationinterpersonal skillsattention to detailorganizational skillscollaborationproblem-solvingteamworktime managementadaptability

Certifications

B.S. degree in EngineeringABET accreditationDepartment of Energy 10 CFR Part 810 eligibility