Mechanical/Process System Design Engineer

Bellevue, Washington

Type: Contract

Category: Engineering

Job ID: 185890

Date Posted: 02/23/2021

TerraPower is a nuclear technology company based in Bellevue, Washington. At its core, the company is working to raise living standards globally through a more affordable, secure and environmentally friendly form of nuclear energy along with innovations in medical isotopes to improve human health. In 2006, TerraPower originated with Bill Gates and a group of like-minded visionaries who evaluated the fundamental challenges to raising living standards around the world. They recognized energy access was crucial to the health and economic well-being of communities and decided that the private sector needed to take action and create energy sources that would advance global energy deployment. TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. As a result, the company’s activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications – all for significant human health benefits.


TerraPower is seeking to contract with, via agency vendor, highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape.  TerraPower is an Equal Opportunity Employer. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or any other characteristic protected by federal, state, or local law.  In addition, as a federal contractor, TerraPower has instituted an Affirmative Action Plan (AAP) in an effort to proactively recruit, hire, and promote women, minorities, disabled persons and veterans.


Mechanical/Process System Design Engineer – Agency Contract        


The Mechanical/Process System Design Engineer reports directly to the System Design Manager and is focused on the design of primarily mechanical handling and process systems. In this role, you will act as a System Design Engineer for TerraPower’s advanced nuclear reactor projects or other highly technical projects. The successful candidate will integrate and coordinate with engineers working on interfacing systems. The Senior System Design Engineer will work as part of a high-performing team of engineers and scientists.




  • Responsible for coordinating geographically diverse design team members to develop supporting design documentation.  The team members include TerraPower employees, subcontracted resources, partner employees, and customers.
  • Design systems and sub-systems from requirements through final design.
  • Coordinate analyses, such as thermal, seismic, structural, pipe stress, heat transfer, and other analyses performed by others required for the design.
  • Identify and ensure effective application of correct design codes such as ASME, ANS, etc.
  • Provide technical direction and guidance to engineers in applicable nuclear and non-nuclear related design standards.
  • Analyze and apply regulatory criteria and standards to complex mechanical and process system design.
  • Lead planning efforts and maintain schedule adherence for design activities.
  • Interface with the design team to create and manage drawing packages of system designs, including but not limited to Piping and Instrumentation Diagrams (P&IDs), 3D models, and system interface drawings.
  • Interface with design disciplines (such as mechanical, instrumentation and controls, civil, and nuclear) to identify and develop equipment design information and specify equipment design and performance criteria.
  • Provide technical direction and oversight of supplier projects, working with the contract administrator to ensure delivery of data and other deliverables, as well as coordination and performance of technical reviews of deliverables.
  • Establish and maintain system requirements and specification documents, isuch as Engineering Design Specifications for major plant equipment.
  • Propose and initiate testing programs for equipment qualification, as needed
  • Provide Support and oversight during test execution, evaluation of test results, and reporting of test results.
  • Generate design package for key systems and sub-systems including coordination of calculations, design reports, mechanical drawings, and engineering design specifications.
  • Develop and review technical design documents, such as System Requirements Documents, System Design Descriptions, Interface Control Documents, Engineering Design Specifications, etc.
  • Interface with and support licensing activities associated with Safety Analysis Reports.
  • Lead design reviews as system and subsystem designs are established and refined.


Key Qualifications and Skills

  • B.S. in Mechanical or related discipline from an accredited university and 5+ years direct experience with proven mechanical systems skills; Advanced degree preferred.
  • Demonstrated experience in leading mechanical design of complex structures and equipment in high temperature and multi-discipline integration.
  • Previous experience with nuclear reactors, nuclear handling process systems, or similar system design is highly desired.
  • Excellent technical writing, communication, and presentation skills.
  • Attention to detail and aspiration for technical excellence.
  • Candidate must be a self-starter and possess ability to coordinate and lead a design team’s effort with minimal direction.
  • Ability to handle projects that include many competing objectives and design constraints, with ability to resolve conflicts between objectives.
  • Ability to work on simultaneous tasks that require a multi-disciplinary approach.
  • Experience working to quality standards on design activities, such as ASME NQA-1 or ISO 9001.
  • The successful candidate will possess a high degree of trust and integrity, able to communicate openly, and display respect and a desire to foster teamwork.


Job Functions


Job Functions are physical actions and/or working conditions associated with the position. These functions may also constitute essential functions for the job, which the employee must be able to fulfill, with or without accommodation. Information provided below is to help describe the job so that the applicant has a reasonable understanding of the job duties/expectations. An applicant's ability to perform and/or tolerate these actions and conditions will be discussed and workplace accommodations may be made on a case-by-case basis following an individualized assessment of the applicant and other considerations, including but not limited to any governing safety standards.


  • Motor Abilities: Sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
  • Physical exertion and/or requirements: Minimal, with ability to safely lift up to 20 pounds
  • Repetitive work: Prolonged
  • Special Senses: Visual and audio focused work
  • Work Conditions: Stairs, typing/keyboard, standing and/or sitting working environment of >8 hrs./day
  • Travel required 0-5%


TerraPower’s technology is controlled for export by various agencies of the U.S. Government. TerraPower must evaluate applicants who are foreign nationals (other than asylees, refugees, or lawful permanent residents) in accordance with U.S. Government export control requirements. To facilitate TerraPower’s export control reviews, you will be asked as part of the application process to identify whether you are a U.S. Citizen or national, asylee, refugee, or lawful permanent resident of the United States. Government export authorization approval times vary. Based on the business needs for a particular position, TerraPower may not consider a foreign national from a country if it is impracticable to obtain timely Government export approval.