Process Design and Integration Engineer

TerraPower LLC.; Bellevue (WA); On-site; USD 124,000 - 161,000; Full time

Benefits offered by this job

Competitive compensation

Relocation assistance

401k plan

PTO 21 days + holidays

Medical & wellness benefits

Professional and educational support

Job summary

TerraPower LLC in Bellevue, Washington, seeks a Process Design and Integration Engineer to support plant process design and integration of non-nuclear mechanical systems for the NATRIUM T demonstration plant. You will work with TerraPower’s EPC Design Integration Mechanical/Process Manager, model Rankine cycles, and help ensure cross-functional collaboration across design teams.

Strong background in process modeling and experience with power-plant systems are essential to drive successful

Qualifications

• Bachelor’s degree in engineering or related field required.
• Minimum 5 years of relevant plant design experience.
• Experience with process modeling software (Gate Cycle, Thermoflow).
• Experience with steam and non-nuclear power plant systems.
• Ability to lead cross-functional design teams and communicate with senior management.

Responsibilities

• Provide engineering oversight to non-nuclear Natrium plant systems focused on Rankine Cycle equipment.
• Coordinate with geographically diverse team to develop system design deliverables.
• Support development of conceptual design and respond to RFIs.
• Maintain and update the NATRIUM Rankine Cycle model.
• Assist integration with other process systems including sodium and salt heat transfer.
• Collaborate with Civil/Structural/Architectural, PRA, electrical, seismic teams.

Skills

Leadership

Cross-functional teamwork

Process modeling

Steam systems experience

Communication skills

Engineering judgment

Global collaboration

Education

Bachelor's degree in engineering or related field

Tools

Gate Cycle

Thermoflow

Job description

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 hire 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 and bringing forward the critical production of medical isotopes. 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.

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 NATRIUM T 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.

This position is subject to qualification requirements in accordance with ANSI/ANS 3.1. Candidates must meet the minimum education and experience criteria applicable to the role, including relevant nuclear industry experience where required. Verification of data will be part of the hiring process.

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 for extended periods, bending/stooping, grasping/gripping, fine motor control (hands)
• Physical exertion and/or requirements: Minimal, with ability to safely lift up to 25 pounds.
• Special Senses: Visual and audio focused work
• Work Conditions: Stairs, typing/keyboard, standard and/or sitting working environment of >8 hours/day
• Travel required 0-10%

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

Salary Range: $124,114 - $161,187Any salary offered within the posted salary band is based on market data and commensurate with the selected candidate’s qualifications and experience. This range is specific to Washington State.

Job Type: Full-time

• Competitive Compensation
• Salary, eligible to participate in discretionary short‑term incentive payments
• Comprehensive Medical and Wellness Benefits
  • Medical
  • Vision
  • Dental
  • Life and Disability
  • Gender Affimation Benefits
• 401k Plan
• Generous Paid Time Off (PTO)
  • 21 days of annually accrued PTO
• Generous Holiday Schedule
  • 10 paid holidays
• Relocation Assistance
• Professional and Educational Support Opportunities

As set forth in TerraPower LLC.’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

The application deadline for this role is October 6, 2026