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Posted Apr 15, 2026

Mechanical Engineer 3 (NSSS System Design)

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NOTE:  This position is available for full-time remote work within the contiguous Unites States with travel to NuScale physical offices as needed. 

 

POSITION SUMMARY:   The NSSS Mechanical Systems Engineering organization is focused on the NuScale Power Module System Design including nuclear steam supply system (NSSS) component design inspection and testing in accordance with nuclear industry codes, standards and regulatory requirements. Reporting to the Manager, NSSS System Design, the person in this role works in close collaboration with multiple disciplines in development of fluid systems and components within the NuScale Power Plant NSSS to support advancement of the design. A 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. 

ESSENTIAL DUTIES AND RESPONSIBILITIES:   

  1. Possesses a working knowledge of NSSS Nuclear Power Plant Designs (e.g., PWR/BWR) and has detailed knowledge of applicable industry codes, standards and regulations.
  2. Generate technical requirements for NSSS systems, structures and components.
  3. Perform and check engineering evaluations in accordance with NuScale company procedures, by applying sound engineering judgement.
  4. Support the preparation and review of engineering specifications, drawings, reports and other documentation that communicate the design and technical aspects of systems, structures and components associated with the nuclear steam supply system.
  5. Interacts with co-workers and other disciplines to promote effective coordination of design activities and resolution of technical problems. Individuals should be interested in acquiring general knowledge of principles and practices of related fields in order to function on multi-disciplinary teams.
  6. Support development and implementation of effective processes for system design specifications.
  7. Possess strong written and oral communication skills.  
  8. Performs other duties as assigned. 

CORE COMPETENCIES: To perform the job successfully, the individual should demonstrate competencies in performing the essential functions of this position by performing satisfactorily in each of these competencies.  

MINIMUM SKILLS, QUALIFICATIONS AND ABILITIES:  

PHYSICAL DEMANDS: The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job. Reasonable accommodations may be made to enable individuals with disabilities to perform the essential functions. 

  

Disclaimer: Employee(s) must perform the essential duties and responsibilities with or without reasonable accommodation efficiently and accurately without causing significant safety threat to self or others.  The above statements are intended to describe the general nature and level of work being performed by employee(s) assigned to this classification.  They are not intended to be construed as an exhaustive list of all responsibilities, duties and/or skills required of all employees in this classification.

 

NuScale Power, LLC is an equal opportunity employer and does not discriminate against otherwise qualified applicants on the basis of race, color, creed, religion, ancestry, age, sex, marital status, national origin, disability or handicap, or veteran status.

Pay and Benefits:

The target pay range for this position is $108,908 - $131,441 annually.  The full pay range is $97,642 - $152,722 annually. 

At NuScale, compensation decisions are determined using factors such as relevant job-related skills, full-time working experience, education and training, equity within the department.

For information on employee benefits, please visit our Careers Overview page:  Employee Benefits | NuScale Power