Process Design and Integration Engineer

Bellevue, Washington, United States | Natrium | Full-time

Apply by: May 18, 2026
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TITLE:                   Process Design and Integration Engineer

LOCATION:          Bellevue, WA, USA      

TerraPower® is a nuclear energy technology company based in Bellevue, Washington. At our core, we are 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.

TerraPower’s mission is to be a world leader in new nuclear technologies, while developing innovators and future leaders in the nuclear field. TerraPower is committed to bringing sustainable, affordable and safe energy to address global issues.

TerraPower is seeking 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.

Process Design and Integration Engineer

The Process Design and Integration Engineer supports plant process design and integration of non-nuclear mechanical systems designed by one of TerraPower’s partners for the NATRIUMT demonstration plant. In this role, you will support, and report to TerraPower’s EPC Design Integration Mechanical/Process Manager. This will also include process modeling of Rankine and molten salt equipment for other plants in various project phases.

The successful candidate will provide technical and administrative design support and oversight for a wide range of energy island systems and perform process system modeling. The Process Design and Integration Engineer will work as part of a high performing team of engineers.

Responsibilities

  Provide engineering oversight to non-nuclear Natrium plant systems focused on Rankine Cycle equipment including steam generator, feedwater and condensate system, and heat removal system.

  Provides integration and oversight to geographically diverse team members to develop system design deliverables, with emphasis non-nuclear power plant systems.

  Support development of conceptual design for new plants and systems, including responding to customer RFIs, and process modeling of the Rankine Cycle.

  Maintain and update the NATRIUM Rankine Cycle model.

  Support integration with other process systems, including sodium and salt heat transfer systems.

  Supports interface with other plant design departments, including plant 3D model development, Civil/Structural/Architectural, PRA, transient modeling, electrical, seismic, etc.

Key Qualifications and Skills

  The successful candidate will display leadership skills by proactively driving cross functional design collaboration and integration of mechanical process systems, structures, and components.

  A bachelor’s degree in engineering, physical sciences or a related technical field is required, preferably with a minimum of 5 years of relevant experience in plant design or modifications, with emphasis on process systems.

  Experience with process modeling using commercial software to model power cycles (i.e. Gate Cycle, Thermoflow, etc.).

  Prior experience with steam and none-nuclear power plant systems.

  The candidate must be team oriented, and able to work effectively with geographically distributed and possibly international design team members.

  Candidate should have broad-based technical and engineering skills and experience leading an integrated cross functional design team.

  Strong verbal and written communication skills and ability to convey critical design integration information to senior management, the engineering team, customers etc.

  Ability to work in a first of a kind environment that requires good engineering judgement and identify needed design progress to achieve key project objectives.

  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.

Job details

Job Type:  Full-time

Salary Range Level 10:  $117,922 - $176,883

Salary Range Level 11:  $138,685 - $208,027

*Any salary offered within the posted salary band is based on market data and commensurate with the selected individual’s qualifications and experience. This range is specific to Washington State.

Benefits:

    Competitive Compensation

    Salary, eligible to participate in discretionary short-term incentive payments

    Comprehensive Medical and Wellness Benefits

o    Medical

o    Vision

o    Dental

o    Life

o    Life and Disability

o    Gender Affirmation Benefits

o    Parental Leave

    401k Plan

    Generous Paid Time Off (PTO)

o    21 days of annually accrued PTO

  Generous Holiday Schedule

o  10 paid holidays

    Relocation Assistance

    Professional and Educational Support Opportunities

TerraPower Career and Benefits information:  https://www.terrapower.com/contact-us/careers/

Please visit www.terrapower.com to apply