Demo

Mechanical Engineer 3 (NSSS Appurtenance Design)

NuScale Power, LLC
Corvallis, OR Full Time
POSTED ON 12/17/2025
AVAILABLE BEFORE 2/17/2026

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 Appurtenance Design, the person in this role will 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. 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.

 

ESSENTIAL DUTIES AND RESPONSIBILITIES: 

  1. Possesses a working knowledge of NSSS Systems and Components and its practical application and has detailed knowledge of applicable industry codes, standards and regulations.
  2. Assist in development of certain aspects related to various engineering technical programs related to 10CFR50.55a including Inservice Testing, Inservice Inspection, and Appendix J.
  3. Assists in the development and implementation of system and component design specifications, engineering standards and drawings.
  4. Supports test program sponsors in proof-of-concept and component qualification testing.
  5. Collaborates with NuScale Licensing in support of domestic and international regulatory efforts.
  6. 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.
  7. Acquires, maintains and develops training qualifications.
  8. Possesses strong written and oral communication skills.  
  9. 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.
  • Safety Culture: Adheres to the NuScale 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: 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 PE license in Mechanical or Nuclear Engineering is desirable, but not required.
  • Experience: Minimum of 5 years of full-time, relevant professional experience is required. Candidates must have good communication, computer, presentation and interpersonal skills with a high degree of attention to detail.  Must have 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 Design, Inspection & Testing
    • Resolving complex & multidisciplinary design issues 
  • 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 $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 

Salary : $97,642 - $152,722

If your compensation planning software is too rigid to deploy winning incentive strategies, it’s time to find an adaptable solution. Compensation Planning
Enhance your organization's compensation strategy with salary data sets that HR and team managers can use to pay your staff right. Surveys & Data Sets

What is the career path for a Mechanical Engineer 3 (NSSS Appurtenance Design)?

Sign up to receive alerts about other jobs on the Mechanical Engineer 3 (NSSS Appurtenance Design) career path by checking the boxes next to the positions that interest you.
Income Estimation: 
$108,186 - $133,193
Income Estimation: 
$134,236 - $174,128
Income Estimation: 
$132,162 - $161,329
Income Estimation: 
$91,017 - $111,627
Income Estimation: 
$106,299 - $135,354
Income Estimation: 
$108,186 - $133,193
View Core, Job Family, and Industry Job Skills and Competency Data for more than 15,000 Job Titles Skills Library

Job openings at NuScale Power, LLC

  • NuScale Power, LLC Portland, OR
  • NOTE: This posting is for a full-time, remote position within the United States. Prior US Commercial Nuclear experience is a priority preference, but not r... more
  • 14 Days Ago

  • NuScale Power, LLC Portland, OR
  • NOTE: This position is eligible for full-time remote work based within the contiguous United States. POSITION SUMMARY: Responsible for technical supplier o... more
  • 14 Days Ago

  • NuScale Power, LLC Portland, OR
  • NOTE: This is a staff augmentation contract position anticipated to be 40 hours/week for 6-12 months. Work will be done remotely with travel as needed. Can... more
  • 14 Days Ago

  • NuScale Power, LLC Portland, OR
  • NOTE: This position is available for fully remote work within the contiguous United Sates. POSITION SUMMARY: The Nuclear Contract Manager 3 provides procur... more
  • 14 Days Ago


Not the job you're looking for? Here are some other Mechanical Engineer 3 (NSSS Appurtenance Design) jobs in the Corvallis, OR area that may be a better fit.

  • Concept Systems Inc. Career Center Albany, OR
  • Join our team! Our Mechanical Engineer is responsible for performing a wide range of complex mechanical engineering functions related to the design, testin... more
  • 2 Months Ago

  • Actalent Portland, OR
  • Job Title: Senior Mechanical Engineer Job Description We are seeking a highly skilled Senior Mechanical Engineer with over 10 years of experience in mechan... more
  • 17 Days Ago

AI Assistant is available now!

Feel free to start your new journey!