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Posted May 14, 2026

Mechanical Engineer 4 – NSSS Systems Design

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Job Description: • 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: • 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: • Employee Benefits | NuScale Power Apply tot his job Apply To this Job