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.
NewSafety Analysis Engineer, Nuclear System OneSafety Analysis Engineer, NuclearBellevue, WARemote$69–$115 / hourThis contract Safety Analysis Engineer role performs deterministic nuclear safety analysis and transient/accident modeling (RELAP5-3D or similar) to support U.S. NRC licensing submittals. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
NewNuclear Methods Engineer System OneNuclear 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 as necessary. Experience in nuclear design/analysis methodologies including criticality, flux/power distributions, fuel management optimization, reactivity coefficients, shielding, activation, control rod worth, detector response, and uncertainty analysis.
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.
NewNuclear Plant Integration Engineer (Test Abstracts and Specifications) System OneNuclear Plant Integration Engineer (Test Abstracts and Specifications)Bellevue, WARemote$69–$115 / hourSystem One is seeking an experienced Nuclear Plant Integration Engineer to coordinate and support the creation, development and management of post-construction and startup test abstracts and test specifications for our client’s Advanced Reactor Demonstration project. The primary focus of this role is developing and fortifying the framework, across the system design engineering teams, for creation and authorship of test procedures, test abstracts and test specifications.
NewNuclear Engineering Program Developer System OneNuclear Engineering Program DeveloperBellevue, WARemote$56–$95 / hourThe successful candidate will coordinate with engineers working on systems, components, or engineering analysis areas such as safety analysis, thermal analysis, stress analysis, and/or process/control analysis. 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.
Nuclear Reactor Systems & Systems Integration (RSSI) Project Coordinator System OneNuclear Reactor Systems & Systems Integration (RSSI) Project CoordinatorBellevue, WARemote$52–$85 / hourSystem One is seeking a Reactor Systems & Systems Integration Project Coordinator who can focus on the management of engineering design activities, coordination of interfaces between project teams, and facilitation of engineering work planning and team staffing. The successful candidate will coordinate with engineers working on plant level functions, systems, components, and/or engineering analyses to establish a comprehensive coverage of coordination functions imbedded with the engineering teams.
NewCRD System Design Engineer (Mechanical) System OneCRD System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourThe selected candidate will collaborate with project managers, design engineers, analysts, test engineers, supply chain teams, and other engineering disciplines to support the successful development and deployment of advanced reactor technology. The successful candidate will demonstrate strong technical leadership, engineering excellence, attention to detail, and the ability to thrive in a fast-paced, collaborative engineering environment.
I&C Design Engineer System OneI&C Design EngineerBellevue, WARemote$52–$85 / hourYou will report directly to the Non-Safety I&C Manager and collaborate with a dedicated team of scientists and engineers, driving the future of Generation IV advanced nuclear reactor technologies. This opening plays a pivotal role in advancing technology for Sodium Fast Reactor systems, focusing on system design, prototype development, integration, and commissioning.
Junior I & C Design Engineer System OneJunior I & C Design EngineerBellevue, WA$115–$190 / hourThis role will focus on the development of Instrumentation & Control systems for nuclear island systems, structures, and components (SSCs), working closely with multidisciplinary engineering teams to deliver safe, reliable, and innovative engineering solutions. Bachelor's degree or higher in Controls Engineering, Electrical Engineering, or a related engineering discipline from an accredited university.
NewPlant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourJob Title: Plant Radiological Integration Engineer Location: Bellevue, WA Type: Contract Compensation: $69.00 – $115.00 Work Model: Remote – offsite Hours: 40.0System One is hiring a Plant Radiological Integration Engineer to provide the following services that will focus on Nuclear Island System, Structure and Component (SSC) design integration with plant radiological design, analysis, and shielding requirements. Responsibilities Coordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams.
NewFuel Handling System Design Engineer System OneFuel Handling System Design EngineerBellevue, 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. Develop analyses such as thermal, seismic, structural, pipe stress, heat transfer, and others, integrating results into plant design delivery.
NewPlant Integration Engineer – Steam & Power Systems System OnePlant Integration Engineer – Steam & Power SystemsBellevue, WA$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.
System Design Engineer System OneSystem Design EngineerBellevue, WARemoteExperience developing and maintaining mass and energy balance models using Aspen HYSYS and/or Aspen Plus . Integrate results from thermal, structural, seismic, pipe stress, and heat transfer analyses into overall system designs.
NewRAC System Engineer (Process & I&C) System OneRAC System Engineer (Process & I&C)Bellevue, WARemote$54–$90 / hourDevelop engineering designs supporting lifecycle factors including operability, maintainability, and reliability. Previous experience with commercial nuclear reactors and systems, high temperature pressure vessels, or similar systems (highly desired).
I&C Human Factors Engineer System OneI&C Human Factors EngineerBellevue, WARemote$56–$95 / hourThis role focuses on integrating Human Factors Engineering (HFE) into digital control systems and human-system interfaces (HSIs) for next-generation reactor technology. This role supports an advanced nuclear technology program focused on delivering safe, reliable, and innovative energy solutions.
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.
Senior Safety Methods Engineer System OneSenior Safety Methods EngineerBellevue, WA$37–$74 / hourThe engineer also builds automated, repeatable workflows, documents methodologies and assumptions, collaborates across disciplines to align methods with design and safety analysis, and follows SQA/NQA-1 practices to ensure traceability, configuration control, and reproducibility. Responsibilities include running steady-state and transient analyses to assess model performance and fidelity needs, integrating closure models and empirical correlations into existing frameworks, and identifying gaps through sensitivity studies to drive method improvements.
NewSenior Welding Engineer System OneSenior Welding EngineerBellevue, WA$56–$95 / hourSystem One is seeking a Senior Welding Engineer for a yearlong contract role to work as part of a high-functioning team of engineers focused on materials processing, supply chain development and supplier qualification for next generation material and components for sodium-cooled fast reactors. Oversee test programs for qualification of welds, including mechanical properties, burst testing, thermal creep, creep-fatigue, neutron irradiation, thermal aging, and sodium exposure.
NewSupplier Project Engineer, Supply Chain System OneSupplier Project Engineer, Supply ChainBellevue, WARemote$69–$115 / hourThe Supplier Project Engineer will provide oversight of supplier activities throughout the project lifecycle, ensuring contract requirements, technical expectations, schedules, and deliverables are successfully achieved. • Demonstrated experience supporting supplier relationships in engineering, manufacturing, or highly regulated industries.
Component Design Engineer (RPA) – Contract System OneComponent Design Engineer (RPA) – ContractBellevue, WARemote$52–$85 / hourSupport continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities. The Component Design Engineer (RPA) will work as part of a high functioning team of engineers and scientists focused on developing the design of next generation advanced nuclear reactors.
System Transients Analysis Engineer System OneSystem Transients Analysis EngineerBellevue, WARemote$67–$110 / hourThis role will focus on thermal hydraulic and transient analysis activities supporting advanced reactor system design, plant operations analysis, and control system integration. System One is seeking a highly capable and motivated System Transients Analysis Engineer to support an advanced sodium-cooled reactor program.
Plant Integrated Analysis Engineer System OnePlant Integrated Analysis EngineerBellevue, WARemote$37–$74 / hourWorking as part of a multidisciplinary engineering team, you'll collaborate with safety, instrumentation & controls (I&C), and system design engineers to model, analyze, and validate complex plant systems. This role will focus on plant-level thermal-hydraulic analysis, transient modeling, and control system performance to support reactor design, safety, and operational excellence.
NewRAC System Design Engineer (Mechanical) System OneRAC System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourThe selected candidate will collaborate with project managers, design engineers, analysts, test engineers, and multidisciplinary engineering teams to support the successful design, integration, and deployment of this first-of-a-kind reactor technology. This role will support the ongoing development of a passive reactor cooling system designed to continuously remove heat through natural convection, providing safe and reliable cooling without reliance on pumps or operator actions.
NewFuel Handling Design Engineer System OneFuel Handling Design EngineerBellevue, WA$52–$85 / hourInterface with cross-functional design disciplines (mechanical, instrumentation & controls, civil, nuclear) to develop plant design information and define system design/performance criteria. Physical requirements include sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control, with minimal physical exertion, including the ability to safely lift up to 25 pounds.
NewSenior Mechanical Design Engineer System OneSenior Mechanical Design EngineerBellevue, WA$52–$85 / hourCoordinate and utilize inputs and requirements from Engineering and Project teams to produce equipment and components design solutions, including drawings, models, and specifications. Support continuous learning and application of nuclear industry best practices to maintain the highest quality of engineering design and proactively identify process change/enhancement opportunities.
HVAC Engineer System OneHVAC EngineerRichland, WA$126,000–$171,000 / yearSystem One, and its subsidiaries including Joulé, ALTA IT Services, and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. You’ll work with cross-functional engineering teams, supply chain partners, and stakeholders to deliver reliable, compliant HVAC solutions for mission-critical facilities.
NewTest Engineer System OneTest EngineerBellevue, WA$37–$74 / hourThe selected candidate will work closely with multidisciplinary engineering teams, designers, technicians, and project stakeholders to develop innovative test solutions, execute test campaigns, analyze results, and deliver high-quality technical documentation. This role is ideal for an engineer with experience in research and development (R&D), mechanical testing, and experimental validation who enjoys solving complex engineering challenges in a collaborative environment.
NewSystems and Requirements Management Engineer System OneSystems and Requirements Management EngineerBellevue, WARemote$52–$85 / hourThe selected candidate will work closely with engineering teams, design partners, suppliers, and project stakeholders to develop, manage, verify, and maintain requirements while supporting the integration of systems, structures, components, testing, construction, and operations activities. The successful candidate will possess strong analytical and leadership skills, thrive in collaborative engineering environments, and demonstrate a commitment to continuous improvement, technical excellence, and successful project execution.
NewSupplier Procurement Engineer – EPC Procurement Oversight System OneSupplier Procurement Engineer – EPC Procurement OversightBellevue, WARemote$69–$115 / hourThe ideal candidate will bring extensive supplier management, project management, and manufacturing oversight experience while supporting complex engineering procurements in highly regulated industrial environments. This role will serve as the primary interface for engineering, procurement, project management, contracts, and legal teams, ensuring successful execution of heavy industrial equipment procurements from planning through delivery.
Nuclear Probabilistic Analysis Engineer II Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Probabilistic Analysis Engineer IIRichland, WAFull timeSupport Owners Engineer activities, including oversight of construction; participation in design reviews for new and advanced reactor technologies; support of progressive design/build contracts and construction efforts; and assistance with site licensing and construction permit activities. * Interpret and review Nuclear Regulatory Commission (NRC) regulations and Nuclear Energy Institute (NEI) and Electric Power Research Institute (EPRI) documents; assure compliance with regulatory and industry guidance; and provide interpretation of guidance for application.
Nuclear Safety Engineer - New Graduate CPCCoNuclear Safety Engineer - New GraduateRichland, WAFull timeJob Duties/Scope Of WorkWORK SAFE, MAKE A DIFFERENCE, AND BE A PART OF HISTORY WITH THE NUCLEAR SAFETY TEAM!At Central Plateau Cleanup Company (CPCCo), located in Richland, Washington, we are working to provide a sustainable future for the historic Hanford area through the protection of the Columbia River and the remediation of the Central Plateau. Developing and maintaining nuclear safety documents including Documented Safety Analyses, Technical Safety Requirements, Hazard Analysis and Control Decision Documents.* Interfacing with colleagues and cross disciplinary teams to resolve nuclear safety issues.*
Project Manager II-Nuclear Projects (058) ANR Group IncProject Manager II-Nuclear Projects (058)Richland, WA$75–$90 / hourTemporaryContractorFull timeDirects the activities of project teams; maintains a broad knowledge base of new technologies and industry trends as related to assigned projects; monitors project management processes and recommends changes to improve effectiveness and efficiency; manages project budgets, interacting closely with the finance organization and the project controls group; coordinates with other project and line managers; coaches/mentors other project managers and acts for supervisor/manager when required. · Manages project activities for refueling outages, forced outages, and on-line work as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Project Manager II-Nuclear Projects (079) ANR Group IncProject Manager II-Nuclear Projects (079)Richland, WA$75–$90 / yearTemporaryContractorFull timeDirects the activities of project teams; maintains a broad knowledge base of new technologies and industry trends as related to assigned projects; monitors project management processes and recommends changes to improve effectiveness and efficiency; manages project budgets, interacting closely with the finance organization and the project controls group; coordinates with other project and line managers; coaches/mentors other project managers and acts for supervisor/manager when required. · The project manager II manages project activities for refueling outages, forced outages, and on-line work as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Nuclear Project Coordinator Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Project CoordinatorRichland, WAFull timeThis includes all aspects of project implementation, including budget, work package preparation, parts procurement, ALARA planning, industrial and nuclear safety, work prioritization, resource loading, and work execution, including resolution of schedule delays and conflicts. * Associate degree in engineering, construction management, project management, business, or related technical curriculum from accredited college or university AND 3 years of experience in a technical field; OR.
Nuclear Project Manager I Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Project Manager IRichland, WAFull timeBachelor's degree in Engineering, Construction Management, Project Management, Business, or related field from an accredited institution and 14 years of technical experience; * OR AA/AS degree and 16 years of technical experience; * OR High School Diploma or GED and 18 years of technical experience. This Nuclear Project Manager I will manage and lead small to mid-sized capital projects, overseeing planning, scheduling, budgets, and execution with minimal oversight.
Nuclear Project Scheduler II Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Project Scheduler IIRichland, WAFull timeThe role partners with project managers and cross functional teams to plan on line work, outages, and capital projects while managing risk, critical path, and schedule performance. This Nuclear Project Scheduler II will develop, maintain, and integrate detailed project schedules using Primavera and Passport to support nuclear and engineering projects.
Nuclear Project Manager II Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Project Manager IIRichland, WAFull timeBachelor's degree in engineering, construction management, project management, business, or related field and 14 years of experience in a regulated industrial environment; * OR advanced degree and 12 years of experience; * OR AA/AS and 16 years of experience; * OR high school diploma/GED and 18 years of experience. This Nuclear Project Manager II will lead complex, multidisciplinary projects under $10M, overseeing planning, scheduling, budgeting, and execution for outage and online work activities.
Nuclear Project Scheduler I Automation and Control Strategies Group, INC. dba ACS Professional StaffingNuclear Project Scheduler IRichland, WAFull timeThis Nuclear Project Scheduler I will develop, maintain, and integrate detailed project schedules using Primavera and Passport to support nuclear and engineering projects. * Develop project schedules appropriate to project size and complexity to manage risk, track progress, control critical path, and manage float.
Project Manager I-Nuclear Projects (057) ANR Group IncProject Manager I-Nuclear Projects (057)Richland, WA$60–$77 / hourTemporaryContractorFull timeDirects the activities of project teams; maintains a broad knowledge base of new technologies and industry trends as related to assigned projects; monitors project management processes and recommends changes to improve effectiveness and efficiency; manages project budgets, interacting closely with the finance organization and the project controls group; and coordinates with other project and line managers. · Manages small to medium sized capital projects for refueling outages, forced outages, and on-line maintenance as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Project Scheduler Nuclear Projects III (077) ANR Group IncProject Scheduler Nuclear Projects III (077)Richland, WA$65–$87 / hourTemporaryContractorFull timeThis includes all aspects of project implementation including budget, work package preparation, parts procurement, ALARA planning, industrial and nuclear safety, clearance order preparation, work prioritization, resource loading, risk management, and work execution including resolution of schedule delays and conflicts.? . · Manages capital project activities for refueling outages, forced outages, and on-line work as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Project Scheduler Nuclear Projects II (076) ANR Group IncProject Scheduler Nuclear Projects II (076)Richland, WA$65–$87 / hourTemporaryContractorFull timeThis includes all aspects of project implementation including budget, work package preparation, parts procurement, ALARA planning, industrial and nuclear safety, clearance order preparation, work prioritization, resource loading, risk management, and work execution including resolution of schedule delays and conflicts. · Manages capital project activities for refueling outages, forced outages, and on-line work as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Project Manager I-Nuclear Projects (078) ANR Group IncProject Manager I-Nuclear Projects (078)Richland, WA$60–$77 / hourTemporaryContractorFull timeDirects the activities of project teams; maintains a broad knowledge base of new technologies and industry trends as related to assigned projects; monitors project management processes and recommends changes to improve effectiveness and efficiency; manages project budgets, interacting closely with the finance organization and the project controls group; and coordinates with other project and line managers. · The PM lead manages small to medium sized capital projects for refueling outages, forced outages, and on-line maintenance as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget.
Project Coordinator-Nuclear Projects (061) ANR Group IncProject Coordinator-Nuclear Projects (061)Richland, WA$32–$45 / hourInternFull timeManages small projects for refueling outages, forced outages, and on-line maintenance as assigned, providing oversight of the staff involved in planning, leading, controlling, and monitoring to ensure that work is implemented safely, with quality, on schedule, and within budget. This includes all aspects of project implementation including budget, work package preparation, parts procurement, ALARA planning, industrial and nuclear safety, work prioritization, resource loading, and work execution including resolution of schedule delays and conflicts.
Project Engineer - Electrical Enercon services IncProject Engineer - ElectricalKennewick, WA$105,400–$170,000 / yearFull timeYour role will involve developing winning engineering proposals with technical staff, executing projects within budget and schedule constraints, and maintaining robust client relationships. Imagine a day where you lead dynamic design engineering projects, guiding cross-functional teams to deliver innovative, high-quality solutions on time and within budget.
Project Engineer - Civil Structural Enercon services IncProject Engineer - Civil StructuralKennewick, WA$90,000–$175,000 / yearFull timeYour role will involve developing winning engineering proposals with technical staff, executing projects within budget and schedule constraints, and maintaining robust client relationships. Leadership & Coordination: Provide interdisciplinary coordination for design engineering projects and serve as a technical leader to ensure the project solution and quality goals are met.
Project Engineer - Mechanical Enercon services IncProject Engineer - MechanicalKennewick, WA$90,000–$175,000 / yearFull timeYour role will involve developing winning engineering proposals with technical staff, executing projects within budget and schedule constraints, and maintaining robust client relationships. Leadership & Coordination: Provide interdisciplinary coordination for design engineering projects and serve as a technical leader to ensure the project solution and quality goals are met.
Electrical Engineer - Mid, Senior & Principal Levels Enercon services IncElectrical Engineer - Mid, Senior & Principal LevelsKennewick, WA$90,000–$185,000 / yearFull timeExperience in one of the following industries highly preferred: engineering/design services, power generation, nuclear power, heavy industrial including chemical or pulp & paper, energy, and government (DOE) projects. We continually invest in our employees and provide training and tools for advancement, development, and career progression-whether you prefer a path to become a subject matter or technical expert, a people leader, a project manager, or a leader in business development.
Instrumentation and Controls Engineer - Mid, Senior & Principal Levels Enercon services IncInstrumentation and Controls Engineer - Mid, Senior & Principal LevelsKennewick, WA$90,000–$185,000 / yearFull timeExperience in one of the following industries highly preferred: engineering/design services, power generation, nuclear power, heavy industrial including chemical or pulp & paper, energy, and government (DOE) projects. We continually invest in our employees and provide training and tools for advancement, development, and career progression-whether you prefer a path to become a subject matter or technical expert, a people leader, a project manager, or a leader in business development.
Civil Structural Engineer - Mid, Senior & Principal Levels Enercon services IncCivil Structural Engineer - Mid, Senior & Principal LevelsKennewick, WA$90,000–$180,000 / yearFull timeExperience in one of the following industries highly preferred: engineering/design services, power generation, nuclear power, heavy industrial including chemical or pulp & paper, and government (DOE) projects. We continually invest in our employees and provide training and tools for advancement, development, and career progression-whether you prefer a path to become a subject matter or technical expert, a people leader, a project manager, or a leader in business development.