In-Vessel Transfer Machine (IVTM) Test Engineer System OneIn-Vessel Transfer Machine (IVTM) Test EngineerBellevue, WARemote$46–$77 / hourThis role leads test campaigns from planning through execution, working closely with multidisciplinary teams to ensure testing is performed safely, efficiently, and in accordance with applicable quality and regulatory requirements. The IVTM Test Engineer will work as part of a high-performing team of engineers and scientists, using their testing experience to guide and inform the development of the in-vessel transfer machine.
Senior Fuel Handling Mechanical Design Engineer System OneSenior Fuel Handling Mechanical Design EngineerBellevue, WARemote$56–$95 / hourWorking experience with design codes such as the ASME Boiler and Pressure Vessel Code Section III, or Section VIII is preferred but not required. 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.
Fuel 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.
Nuclear Shielding and Criticality Engineer System OneNuclear Shielding and Criticality EngineerBellevue, WARemote$73–$121 / hourPerform radiation shielding design and analysis for advanced nuclear reactors, including calculating dose rates, activation rates, neutron fluence rates, and energy deposition rates. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
Nuclear Safety Analysis Engineer System OneNuclear Safety Analysis EngineerBellevue, WARemote$46–$77 / hourFamiliarity with nuclear design, regulatory requirements, and risk-informed performance-based technology guidance for Non-Light Water Reactors, including EMDAP and Regulatory Guide 1.203, is preferred. Assess plant transient benchmark tests, identify applicable tests relevant to the advanced reactor, and perform benchmark calculations.
Sodium Fire Design and Analysis Engineer System OneSodium Fire Design and Analysis EngineerBellevue, WARemote$102–$130 / hourOther engineering activities include, but are not limited to, contributing to the development of computational methodologies and models, contributing to software commercial grade dedication, participating in hazard analysis, participating in Phenomena Identification and Ranking Table (PIRT) exercises, participating in Structures, Systems and Components (SSC) classification, developing analytical methods, performing analysis of sodium fire as well as verification and validation activities. The successful candidate will be responsible for developing sodium fire modeling methodologies, performing commercial grade dedication of sodium fire modeling codes, and performing sodium fire modeling calculations to support our client’s design and licensing.
Plant Integration Engineer – Steam & Power Systems System OnePlant Integration Engineer – Steam & Power SystemsBellevue, WARemote$56–$95 / 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.
NewFuel Handling Mechanical Design Engineer System OneFuel Handling Mechanical Design EngineerBellevue, WARemote$52–$86 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Complete design through calculations, developing drawings, using and writing software and commercially available engineering tools.
Nuclear 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.
I&C Design Engineer System OneI&C Design EngineerBellevue, WARemote$69–$115 / hourRequirements: B.S. or higher in Controls, Electrical, or related discipline from an accredited university with 10+ years of direct experience in instrumentation and controls systems. Responsibilities: Act as an I&C Engineer for Sodium Fast Reactor technologies, responsible for system design, prototype development, testing, integration, and commissioning.
System Design Engineer, Electromagnetic Pumps System OneSystem Design Engineer, Electromagnetic PumpsBellevue, WARemote$69–$115 / hourGenerate design package for pumps, pump support systems, sub-systems, and equipment designs including coordination of calculations, design reports, mechanical drawings, and engineering design specifications. This individual will provide technical ownership of a submersible EM pump operating within a liquid-sodium processing system and coordinate with multidisciplinary engineering teams, suppliers, and testing personnel.
Senior Structural Analyst System OneSenior Structural AnalystBellevue, WARemote$56–$95 / hourThis role focuses on performing structural and finite element analyses (FEA) of reactor vessels, reactor internals, containment structures, and nuclear island components operating in high-temperature and radiation environments. The ideal candidate will have extensive experience with structural mechanics, ANSYS, ASME design codes, and engineering analysis for complex mechanical systems.
I&C Design Engineer, Nuclear System OneI&C Design Engineer, NuclearBellevue, WARemote$69–$115 / hourProvide technical direction and oversight of supplier projects, working with the contract administrator to ensure delivery of data and other deliverables to meet company requirements, as well as coordination and performance of technical reviews of deliverables. Specify and describe the suitability of instrumentation measurement techniques for use in sodium fast reactor and integrated energy storage technologies, including analysis of measurement range, response time, and measurement accuracy.
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.
System Design Engineer, Sodium Cover Gas Systems System OneSystem Design Engineer, Sodium Cover Gas SystemsBellevue, WARemote$69–$115 / hourInterface with the design team to create and manage drawing packages of system designs, including but not limited to Piping and Instrumentation Diagrams (P&IDs), 3D models, and system interface drawings. B.S. in Mechanical, Chemical, Nuclear Engineering, or related discipline from an accredited university and 10+ years direct experience with proven mechanical systems skills.
Plant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourResponsibilities Coordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams. System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
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.
Nuclear 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.
NewThermal Analysis Engineer System OneThermal Analysis EngineerBellevue, WARemote$52–$85 / hourPerform thermal modeling of fluid-structure interfaces, including metallic structure thermal problems with structure conductive heat transfer, air convective heat transfer, radiation, and sodium-structure heat transfer modes. Work with our client’s component design leads and analysis engineers to evaluate specific component issues, develop local models or modify existing, and provide insights and feedback to design teams for action.
Nuclear Maintenance & Technical Training Developer / Instructor (Electrical) System OneNuclear Maintenance & Technical Training Developer / Instructor (Electrical)Bellevue, WARemote$56–$95 / hourIncorporates information gained from INPO Significant Operating Experience Reports, NRC Circulars, Bulletins, and Information Notices, plant design changes, plant procedure changes and revisions, new regulations, and training effectiveness reports into the training program and various training material. Provides training and instruction on Electrical Systems including operation, maintenance, troubleshooting, and repair of nuclear plant electrical systems such as pumps, valves, turbines, and heat exchangers.