Mechanical Engineer 4 – NSSS Systems Design

NuScale Power

. Perform mechanical engineering assignments on the nuclear steam supply system (NSSS) including system and detailed component design .

Posted 5/8/2026full-timeRemote • 🇺🇸 United StatesSeniorLead💰 $127,104 - $153,401 per yearWebsite

About the role

Key responsibilities & impact

Perform mechanical engineering assignments on the nuclear steam supply system (NSSS) including system and detailed component design
Review and evaluate various plant systems to ensure design, performance, inspection and testing requirements are defined and met
Prepares, checks, and reviews engineering reports, specifications, drawings, calculations, and other design documents
Collaborate with a multi-discipline team on very complex tasks in multiple and diverse areas and proposes innovative design solutions requiring a significant amount of independent judgment
Interprets scope and project requirements
Plans, organizes, and performs complex assignments in support of developing licensing scope
Provides mentoring and technical direction to less experienced engineers
Serves as a technical lead for the design of NSSS components and systems

Requirements

What you’ll need

A minimum of a B.S. degree in Engineering (preferably Mechanical)
A registered professional engineer license (P.E) in Mechanical, Nuclear, is desired, but not required
Minimum of 10 years of full-time, relevant nuclear experience is required
A significant level of ISI expertise is required
Must have strong technical writing skills as well as professional communication, computer, presentation and interpersonal skills
Exceptional organization skills and ability to manage complex projects with multiple work phases is required
Possess a working knowledge of ASME Sections III & XI Codes and Standards and 10CFR 50 ASME Section XI Engineering Programs knowledge such as ISI and IST
Knowledge of NDE requirements and techniques to be deployed during PSI and ISI of components
Nuclear Utility or plant experience and knowledge NSSS Component Design, Inspection & Testing
Resolving complex & multidisciplinary design issues
Domestic nuclear licensing support experience
Eligible to work under Department of Energy 10 CFR Part 810

Benefits

Comp & perks

Employee Benefits | NuScale Power

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

mechanical engineeringnuclear steam supply system (NSSS) designengineering reports preparationtechnical writingproject managementNDE requirements and techniquesISI expertiseASME Sections III & XI Codes10CFR 50 ASME Section XI Engineering Programscomplex problem resolution

Soft Skills

professional communicationinterpersonal skillsorganizational skillsmentoringtechnical directionindependent judgmentcollaborationpresentation skillsability to manage complex projectsinnovative design solutions

Certifications

B.S. degree in EngineeringProfessional Engineer license (P.E.)