NewComponent Engineer, Nuclear System OneComponent Engineer, NuclearBellevue, WARemote$52–$85 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. This role may require sitting or standing for extended periods, with tasks including bending, grasping, and fine motor control.
Licensed Exam and Exam Program Developer System OneLicensed Exam and Exam Program DeveloperBellevue, WARemote$69–$115 / hourPrepare NRC-facing regulatory documents related to the examination program (e.g., topical reports, white papers, exemption requests, program descriptions) and support those documents through NRC staff review and interactions. Author facility-level NRC operator examination products, including written examination outlines, written exams, job performance measures (JPMs), and dynamic simulator scenarios.
NewPlant Integration Engineer – Steam & Power Systems System OnePlant Integration Engineer – Steam & Power SystemsBellevue, WARemote$56–$96 / hourMinimum 10 years of experience in nuclear power plant design, commercial power generation, power plant modifications, oil & gas, refining, chemical processing, or large industrial process facilities. Experience with: Steam cycle systems, Heat exchangers, Thermal energy storage, Molten salt systems, Balance of Plant (BOP), Energy Island design, Nuclear Island integration.
NewSenior Engineer, Fuel Handling and Dry Storage System OneSenior Engineer, Fuel Handling and Dry StorageBellevue, WARemote$52–$85 / hourThis role is responsible for the engineering design of spent fuel pool systems, dry cask storage equipment, and associated mechanical systems while supporting licensing, regulatory compliance, and multidisciplinary engineering activities. System One is seeking an experienced Senior Fuel Handling & Dry Storage System Engineer to support the design, analysis, and qualification of nuclear fuel handling and dry storage systems for advanced nuclear energy projects.
NewMaintenance Integration Engineer System OneMaintenance Integration EngineerBellevue, WARemote$52–$85 / hourSystem One is seeking an experienced Maintenance Integration Engineer to support the integrated design, maintenance strategy, and operational readiness of an advanced nuclear power plant. This position will coordinate with multidisciplinary engineering teams to ensure plant systems and structures support safe, efficient maintenance and operation throughout the plant lifecycle.
Primary Heat Transfer (PHT) Component Engineer System OnePrimary Heat Transfer (PHT) Component EngineerBellevue, WARemoteThis position will interface with engineering teams, project partners, and suppliers supporting the design and manufacture of primary and intermediate sodium pumps or intermediate shell-and-tube heat exchangers. The successful candidate will oversee supplier activities, coordinate multidisciplinary engineering efforts, and ensure component designs meet technical, quality, contractual, and scheduling requirements.
Principal Engineer, Seismic CSA Integration and Oversight System OnePrincipal Engineer, Seismic CSA Integration and OversightBellevue, WARemote$69–$115 / hourPerform technical reviews of work products, including seismic analysis, soil-structure interaction (SSI) analysis, and probabilistic assessments. Support the development of plant level requirements and strategies related to seismic design and licensing activities for advanced nuclear reactor projects.
I&C Design Engineer Lead System OneI&C Design Engineer LeadBellevue, WARemote$69–$115 / hourCreate and manage detailed technical design documents and generate comprehensive design packages including P&IDs, control system architecture, and instrument installation drawings. Specify instrumentation measurement techniques for sodium fast reactors and energy storage technologies, analyzing measurement range, response time, and accuracy.
Principal Nuclear Licensing Engineer TerraPowerPrincipal Nuclear Licensing EngineerBellevue, Washington$168,316–$210,396 / yearSupport for engagements with the US Nuclear Regulatory Commission (NRC) includes pre-application meetings, preparing and reviewing permit and license applications, preparing and reviewing topical reports, and responding to NRC audit questions and requests for additional information. 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.
Nuclear Engineer I The Nuclear CompanyNuclear Engineer IColumbia, WashingtonWe expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. The actual salary offered may vary based on relevant factors as determined in the Company’s discretion, which may include experience, qualifications, tenure, skill set, availability of qualified candidates, geographic location, certifications held, and other criteria deemed pertinent to the particular role.
Senior Structural Engineer 2 -- Nuclear Sargent & LundySenior Structural Engineer 2 -- NuclearSeattle, Washington$100,019–$152,807 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to lead others who use modern tools: You are expected to lead others in taking engineering problems from issue to solution by setting expectations for using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. You will work with a structural engineering team on engineering projects for new nuclear facilities and upgrades and modifications to nuclear power plants in the following areas: This position will offer you the ability to directly apply your knowledge of materials, structural analysis, structural steel design, and reinforced concrete design.
Nuclear Engineering Program Specialist and Procedure Writer Engineer System OneNuclear Engineering Program Specialist and Procedure Writer EngineerBellevue, WARemote$69–$115 / hourSystem One is seeking an experienced Nuclear Engineering Plant Program Specialist / Nuclear Procedure Writer to support the development and implementation of engineering programs and administrative procedures for an advanced nuclear power plant. The ideal candidate has extensive commercial nuclear experience, a strong background in technical procedure writing, and the ability to lead cross-functional teams supporting plant design, construction, and commissioning activities.
Nuclear Physical Security Engineer TerraPowerNuclear Physical Security EngineerBellevue, Maryland$168,316–$252,475 / yearThe Nuclear Physical Security Engineer is a remote based, Rockville, MD or Bellevue, Washington based position that reports directly to the Senior Manager, Security and Safeguards Programs, Regulatory Affairs and Licensing and provides day-to-day support of TerraPower projects and assists in the development of Physical Security Programs to meet established regulatory requirements. The primary focus of this role is to support the development of Physical Security Programs by working in close consultation with Engineering staff to ensure regulatory requirements are identified and implemented in accordance with TerraPower design and licensing strategy, assists in defining and executing the design and licensing strategy for Physical Security Programs.
Structural Engineer 3 - Nuclear Sargent & LundyStructural Engineer 3 - NuclearSeattle, WashingtonRemote$74,353–$113,595 / yearFull timeAI & Automation at Sargent & Lundy: In this role, we expect people to be willing or able to solve problems using modern tools: You are expected to take engineering problems from issue to solution using data and modern tools such as automation and AI to improve workflows, reduce rework, and deliver cost-effective designs. Since 1954, we’ve been a trusted leader in nuclear engineering, design, and licensing, with expertise spanning small modular reactors (SMRs), advanced reactor technology (ART), and first-of-a-kind commercial reactor restart projects.
Nuclear Methods Engineer ProtingentNuclear Methods EngineerBellevue, WARemote$52–$85 / hourDesign and execute sensitivity studies to understand the effects and validity of various modeling assumptions, including meshing, physics coupling, transport options, cross section preparation, fission product models, spatial kinetics, etc., and adjust methods. Experience in understanding and executing nuclear design/analysis methodologies, including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty.
Senior Nuclear Safety Analysis Engineer (Accident/Transient Methods) System OneSenior Nuclear Safety Analysis Engineer (Accident/Transient Methods)Bellevue, WARemote$69–$115 / hourOther engineering activities include, but are not limited to, performing accident analyses, contributing to software qualification, participating in hazard analysis, participating in Structures, Systems and Components (SSC) classification, as well as performing verification and validation activities. Familiarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors under Regulatory Guide (RG) 1.233 is strongly preferred.
Member of Nuclear Staff The Nuclear CompanyMember of Nuclear StaffColumbia, WashingtonWe expect every team member to continuously identify opportunities to automate workflows, enhance decision-making, improve processes, and contribute to the ongoing evolution of NOS as a strategic operating capability that enables The Nuclear Company to scale with excellence. Members of Nuclear Staff are expected to take ownership of consequential technical and programmatic problems, establish direction where precedent may be limited, and work across engineering, construction, licensing, supply chain, project management, and executive leadership.
Nuclear Operations Procedure Writer System OneNuclear Operations Procedure WriterBellevue, WashingtonSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Requirements3 years of experience as a nuclear power plant operator or 5 years writing nuclear power plant operations procedures.
Market Development Associate TerraPowerMarket Development AssociateBellevue, WashingtonThe Market Development Associate, Business Development & Strategy is responsible for monitoring State and local level power market trends as well as trends with regional and global impacts, tracking industry trends, assessing competitive landscapes, and identifying strategic growth opportunities. 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.
Engineering Program Developer ProtingentEngineering Program DeveloperBellevue, WARemote$56–$95 / hourAbout Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies . Provide inputs on plant level and system level requirements, specifications, and strategy documents related to plant operations and maintenance activities over the lifecycle of a nuclear facility.