Senior Integration Engineer – Physical Design Oversight

TerraPower LLC.; Bellevue (WA); On-site; USD 140,000 - 182,000; Full time

Benefits offered by this job

Relocation assistance

Comprehensive medical and wellness

401k plan

Generous PTO

Generous holiday schedule

Professional development support

Job summary

TerraPower LLC is seeking a Senior Integration Engineer for the Physical Design Oversight (PDO) team in Bellevue, WA. You will oversee design work products, coordinate with TerraPower and suppliers, and ensure integration across structures, systems, and analyses for nuclear plant design.

The role requires leading edge skills in civil/mechanical design, risk-based methods, and regulatory interfaces, with a focus on integration across design disciplines and licensing strategies.

Qualifications

• M.S. degree in Civil or Mechanical engineering or equivalent/higher preferred.
• 8+ years of design and analysis experience.
• Excellent writing and communication skills.
• Ability to work independently with minimal direction.
• Strong analytical and problem-solving skills.
• Self-starter with ability to coordinate with internal and external teams.
• Experience with new nuclear power plant design projects.
• Experience with risk-informed, performance-based and probabilistic methodologies.
• Broad design and integration experience across lifecycle stages.
• Experience with design for seismic, high winds and aircraft impact.
• Experience with codes/standards such as IBC, ACI 318, AISC 360 and ASCE 7.
• Experience with nuclear codes/standards such as ACI 349, ACI 359, AISC N690, ASCE 4, ASCE 43.
• Experience working with NRC or DOE regulations.
• Ability to balance competing objectives and resolve conflicts.
• Multidisciplinary collaboration and teamwork.
• Experience with ASME NQA-1 or ISO 9001 quality standards.
• Demonstrates trust, integrity, and respectful collaboration.

Responsibilities

• Research, develop, and implement design bases and strategies for plant design and licensing.
• Develop, maintain, and refine plant-level requirements and specs for integration.
• Interface with design disciplines to specify design and performance criteria.
• Verify licensing and code requirements are aligned with design strategies.
• Perform and support oversight review of physical design work products.
• Coordinate with TerraPower and engineering partners on NI integration and data transfer.
• Coordinate multi-system analyses such as SSI, seismic models, external hazards, and PRA.
• Monitor design organizations and ensure technical requirements and processes are followed.
• Support design and integration reviews and cross-functional issue resolution.
• Integrate plant information into licensing basis and regulatory submittals.

Skills

Design and analysis

Writing and communication

Independent work

Analytical problem solving

Cross-team coordination

Nuclear plant design

Risk-informed methodologies

Lifecycle design experience

Seismic/Extreme loading

Codes and standards (IBC/ACI/AISC/ASCE

Nuclear codes (ACI 349/359, AISC N690,

Education

M.S. in Civil or Mechanical Engineering

Job description

Senior Integration Engineer - Physical Design Oversight

Bellevue, Washington, United States

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.

Senior Integration Engineer - Physical Design Oversight

TerraPower, LLC. is seeking a highly motivated Senior Integration Engineer for the Physical Design Oversight (PDO) team on TerraPower’s Natrium advanced nuclear reactor projects. In this role, you will support the PDO team in the development of requirements and strategies relevant to first of-a-kind nuclear facility design, perform oversight review of work products, and facilitate integration across TerraPower and its suppliers to ensure successful execution of physical design and construction. The successful candidate will coordinate with engineers working on structures, systems, components, and engineering analyses for integration of input and requirements for nuclear plant design and analysis. Candidates must have experience in one or more aspects of physical design and analysis, project coordination, and performing owner’s acceptance review.

The PDO team has oversight for all aspects of design that relate to civil/structural, architectural, physical modeling, pipe routing and stress, plant layout, geotechnical works, and underground work. The team also owns several design discipline criteria for the project and serves as the subject matter expert for their implementation.

Responsibilities

• Research, develop, and implement design bases and design strategies in support of plant design and licensing activities, including risk-informed, performance-based strategies and methodologies for the design discipline criteria owned by the PDO team
• Develop, maintain, review, and refine plant level and system level requirements and specification documents for integration with plant design activities
• Interface with design disciplines to identify and develop design information and specify design and performance criteria
• Verify that licensing and code requirements are clearly established and implemented in the design and in alignment with project design and licensing strategies
• Perform and support oversight review of physical design work products for acceptance into project configuration control
• Support technical integration on the Nuclear Island (NI) between TerraPower and its engineering partner, including vendor input (VI) handoffs, interface requirements, design input packages, model and design basis transfer, and resolution of open technical items and requests for information
• Coordinate multi-system integrated analyses such as soil-structure interaction (SSI) analyses, seismic analytical model development, external hazard fragility, and probabilistic risk assessment
• Support monitoring and appraisal of design organizations, partners, contractors, and subcontractors’ performance to ensure that all technical requirements for the design are effectively and correctly implemented and processes are followed
• Support design and integration reviews and resolution of cross functional technical issues
• Support the integration of plant information into the licensing basis and regulatory submittal documents that support the licensing of nuclear facilities under the Licensing Modernization Project

Key Qualifications and Skills

• Education: M.S. degree in Civil or Mechanical engineering or equivalent/higher preferred
• 8+ years of design and analysis experience
• Excellent writing and communication skills
• Ability to work independently and with minimum direction to solve challenging problems
• Candidate must have strong analytical/problem solving skills
• Candidate must be a self-starter and possess ability to coordinate with internal and external engineering and design teams with minimal direction
• Experience with new nuclear power plant design projects
• Experience with risk-Informed performance based, and probabilistic methodologies
• Experience in a broad range of design and integration topics throughout a product lifecycle, including conceptual design, final design, and construction
• Experience with design for complex extreme and external hazard loading such as seismic, high winds, and aircraft impact
• Experience with commercial codes and standards such as IBC, ACI 318, AISC 360 and ASCE 7
• Experience with nuclear codes and standards such as ACI 349, ACI 359, AISC N690, ASCE 4, and ASCE 43
• Experience working projects with NRC or DOE regulations
• Ability to deliver projects that include many competing objectives and design constraints, with ability to resolve conflicts between objectives
• Ability to work on 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, communicate openly and display respect, and a desire to foster teamwork
• Actual position starting level and title will be determined based on assessment of qualifications.

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%

Job details

Salary Range: $140,021 - $181,845
Any 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 WA State.

• Competitive Compensation
• Salary, eligible to participate in discretionary short-term incentive payments
• Comprehensive Medical and Wellness Benefits
  • Medical
  • Vision
  • Dental
  • Life and Disability
  • Gender Affimnation 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

Voluntary Self-Identification

For government reporting purposes, we ask candidates to respond to the below self-identification survey. Completion of the form is entirely voluntary. Whatever your decision, it will not be considered in the hiring process or thereafter. Any information that you do provide will be recorded and maintained in a confidential file.

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.

If you believe you belong to any of the categories of protected veterans listed below, please indicate by making the appropriate selection. As a government contractor subject to the Vietnam Era Veterans Readjustment Assistance Act (VEVRAA), we request this information in order to measure the effectiveness of the outreach and positive recruitment efforts we undertake pursuant to VEVRAA. Classification of protected categories is as follows:

A "disabled veteran" is one of the following: a veteran of the U.S. military, ground, naval or air service who is entitled to compensation (or who but for the receipt of military retired pay would be entitled to compensation) under laws administered by the Secretary of Veterans Affairs; or a person who was discharged or released from active duty because of a service-connected disability.

A "recently separated veteran" means any veteran during the three-year period beginning on the date of such veteran's discharge or release from active duty in the U.S. military, ground, naval, or air service.

An "active duty wartime or campaign badge veteran" means a veteran who served on active duty in the U.S. military, ground, naval or air service during a war, or in a campaign or expedition for which a campaign badge has been authorized under the laws administered by the Department of Defense.

An "Armed forces service medal veteran" means a veteran who, while serving on active duty in the U.S. military, ground, naval or air service, participated in a United States military operation for which an Armed Forces service medal was awarded pursuant to Executive Order 12985.

The application deadline for this role is October 23, 2026