About this opportunity
TerraPower LLC. lists this Senior Manager, Core Mechanical Performance Testing opportunity in everett, Washington. Review the employer’s description below for duties, qualifications and application requirements.
Job description
Senior Manager, Core Mechanical Performance Testing
Everett, 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 Manager, Core Mechanical Performance Testing
TerraPower, LLC is seeking a highly motivated Senior Manager to support the engineering efforts of the Natrium Fuel Engineering and Technology team. This role is part of a high‑performing group of engineers responsible for testing and qualification of next‑generation core components and the methodologies that support sodium‑cooled fast reactor development. In this position, you will lead the planning and execution of testing activities that enable design maturation and validation of analytical methods. You will work closely with internal customers to determine feasible testing approaches, timelines, and cost expectations, and you will play a critical role communicating these needs and outcomes to project stakeholders.
Responsibilities
Develop and manage a highly effective group focused ona broad portion of the interdisciplinary technical scope:
Demonstrate visible, continuous leadership in the areas of safety and quality
Focus on maintaining an inclusive and welcoming work environment which fosters innovation and synergy.
Organize group structure to be able to perform
Hire, train, andqualifypersonnel
Develop team managers
Identify and propose staffing needs, prepare job descriptions, and interview candidates
Set yearly goals, hold mid-year checks, and perform annual performance reviews
Support employee professional development and career objectives
Coach for performance
Help resolve employee concerns
Recommend promotions, transfers, and other staffing changes
Ensure the production of project and technical scope according to and within project schedule and budget:
Estimate effort and durations required for scheduled activities
Decompose scheduled activities into executable sub-activities
Ensure main deliverables and inputs required from other groups are clearly identified and linked in project schedules.
Participate and provide input and feedback to Pre-Job Plan (PJP) meetings
Define engineer training and qualification needs
Monitor and report status of activities
Approve timecards and contractor invoices
Help develop and review statements of work with Procurement personnel for supplier technical activities
Identify and communicate opportunities for work process improvements with department business manager
Prepare and initiate budget cost and schedule change notices
Ensure the technical adequacy and quality of work products:
Ensure technical adequacy of work performed
Provide reviews and approvals attesting to technical adequacy of work products
Ensure compliance with TerraPower Engineering procedures and guidelines, includingapplicable quality standards
Keep the team technically synchronized with each other and with the project
Facilitate definition of technical interfaces/handoffs from other teams
Provide technical oversight of contractor, supplier, and partner work where applicable
Keep managers, department directors, and lead technical staff informed of major emerging technical issues
Provide input to technical risk harvesting exercises
Assist in the identification of regulations, codes and standards applicable to the work
Ensure technical documents meet applicable regulatory guides, codes and standards
Ensure design conducted in accordance with project requirements, configurationmanagement and change control plans and practices.
Ensure interface with regulators, stakeholders, and customers on scope design issues is carried out in a technically sound, accurate, and complete basis.
For key interface activities such as submittals and critical presentations, personally ensure information transfer is accurate and complete.
Key Qualifications and Skills
Minimum of B.S. in applicable engineering field
Minimum 5 years of experience testing systems and components
Minimum 3 years in a combined technical leadership role with ongoing requirement for performance of project technical scope, in addition to other manager responsibilities
Experience in mechanical testing and/or flow testing required
Experience with maintenance of plant or test systems and components is required
Experience with lifting and handling is required
Testing experience that ranges from Research & Development through deployment
ASME NQA-1 testing experience required
Experience managing a multi-disciplinary team required
Excellent writing, presentation and communication skills
Ability to work with minimum direction to solve challenging problems
The successful candidate will possess a high degree of trust and integrity, 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%
Job details
Salary Range: $184,367 - $245,823
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.
Job Type: Full-time
Competitive Compensation
Salary, eligible to participate in discretionary short-term incentive payments
Comprehensive Medical and Wellness BenefitsMedical
Vision
Dental
Life and Disability
Gender Affiliation Benefits
401k Plan
Generous Paid Time Off (PTO)21 days of annually accrued PTO
Generous Holiday Schedule10 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 hiringprocess 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 14, 2026
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Worksite address
everett, WA, 98213, US
Who can apply
Review the original listing for work authorization, qualifications and employer requirements.