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Mechanical Engineer 4

NuScale Power
Corvallis, OR Full Time
POSTED ON 1/10/2026
AVAILABLE BEFORE 2/9/2026
NOTE: This position is available for full-time remote work within the contiguous Unites States with travel to NuScale physical offices as needed. Preference is for candidates available to work from our Corvallis, OR office location.

POSITION SUMMARY: Reporting to the Manager, NSSS Piping and Integration, this position performs design and analysis of the Nuclear Steam Supply System (NSSS) pipe systems in accordance with ASME BPVC Section III and applicable regulatory requirements. This position is part of the NSSS design engineering organization that generates technical requirements and associated design parameters for the modular advanced light water reactor (ALWR) NSSS. Utilizing proven state-of-the-art methodologies NSSS components are engineered to nuclear industry standards. All work within the NSSS design organization is completed under ASME NQA-1 quality assurance requirements and respective U.S. Nuclear Regulatory Commission guidelines.

Essential Duties And Responsibilities

  • Performs complex piping design and stress analysis of ASME BPVC Section III Class 1, 2, and 3 piping systems using the Bentley AutoPIPE computer program in accordance with the requirements of NB, NC, ND-3600, respectively.
  • Performs piping design and stress analysis of ASME BPVC Section III Class 1, 2, and 3 piping components using the ANSYS computer program in accordance with the requirements of NB-3200 (preferred).
  • Performs pipe support design and stress analysis of ASME BPVC Section III NF supports using hand calculations or ANSYS computer program.
  • Provides oversight and mentoring to early career engineers in the area of piping stress analysis and/or pipe support analysis.
  • Performs static and dynamic analysis including response spectrum and time history analysis to calculate stresses due to deadweight, thermal expansion, thermal gradients, seismic events, and fluid transients.
  • Prepare and review engineering specifications, drawings, CAD models, and other documentation that communicate the design and technical aspects of piping components associated with NSSS systems. The development of Drawings and CAD models is based on collaboration with drafters and requires the engineer to reviews models that have been developed in Siemens NX.
  • Leads the evaluation of design solutions (piping re-route, reconfigurations of supports, etc) which satisfy piping stress criteria.
  • Works on complex tasks in multiple and diverse areas.
  • Interprets scope and project requirements.
  • Acquires, maintains and develops training qualifications.
  • 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.

  • Problem solving: Identifies and resolves problems in a timely manner, gathers and reviews information appropriately. Uses own judgment and acts independently; seeks input from other team members as appropriate for complex or sensitive situations.
  • Oral/written communication: Listens carefully and speaks clearly and professionally in all situations. Edits work for accuracy and clarity, is able to create, read and interpret complex written information. Ability to develop strong interpersonal networks within the organization.
  • Planning/organizing: Prioritizes and plans work activities, organizes personal and project timelines and deadlines, tracks project timelines and deadlines, and uses time efficiently.
  • Adaptability: Adapts to changes in the work environment, manages competing demands and is able to deal with frequent interruptions, changes, delays, or unexpected events.
  • Dependability: Consistently on time and at work, responds to management expectations and solicits feedback to improve performance.
  • Team Building: Capable of developing strong interpersonal networks and trust within the organization. Leads consensus by involving all stakeholders, facilitating their understanding of differences, agreeing on requirements and constraints, and developing the best solution.
  • Safety Culture: Adheres to the Corporate Safety culture and is expected to model safe behavior and influence peers to meet high standards.
  • Quality Assurance: Commits to the understanding and implementation of quality assurance regulations, standards, and guidelines of 10 CFR 50 Appendix B, 10 CFR 21, and NQA-1.

Minimum Skills, Qualifications And Abilities

  • Education/Certification: 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. A professional engineer (P.E.) certification is preferred.
  • Experience: Minimum of 8 years of full-time, relevant professional engineering experience is required. Additional required and preferred experience in the following:
    • Experience with design and stress analysis of ASME BPVC Section III piping systems in accordance with the requirements of NB, NC, or ND-3600.
    • Experience with the Bentley AutoPIPE computer code is desirable (similar code is acceptable).
    • Experience with design and stress analysis of ASME BPVC Section III piping components using ANSYS computer program in accordance with the requirements of NB-3200 (preferred).
    • Experience with ASME Section III NF (preferred).
  • Industry Requirements: Eligible to work under Department of Energy 10 CFR Part 810.
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.

  • Ability to understand and communicate clearly using a phone, personal interaction, and computers.
  • Ability to learn new job functions and comprehend and understand new concepts quickly and apply them accurately in a rapidly evolving environment.
  • The employee frequently is required; to sit and stand; walk; bend, use hands to operate office equipment; and reach with hands and arms.
  • Ability to travel nationally and locally using common forms of transportation.

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 $127,104 - $153,401 annually. The full pay range is $113,955 - $178,237 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

Salary : $113,955 - $178,237

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