Senior 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.
GSE & Tooling Design Engineer Johnson Service GroupGSE & Tooling Design EngineerKent, WAYou will create CAD models of tools and equipment, create drawings of parts and assemblies, create model/assembly drawings of test configurations, and facilitate proper format and file management in the Windchill life cycle application. As part of a hardworking team of diverse specialists and engineers, you will work with a variety of multi-disciplined engineers to design test equipment, tooling, ground support equipment (GSE), and other hardware for various spaceflight systems.
NewSystem Design Engineer, Fluids System OneSystem Design Engineer, FluidsBellevue, WARemote$69–$115 / hourThis role will support the Sodium Processing Systems team , focusing on system design, vendor coordination, and integration of hardware into overall plant system architecture for a next-generation nuclear reactor program. Bachelor’s degree in Mechanical Engineering, Chemical Engineering, or related discipline from an accredited university.
NewJunior 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.
Senior Fuel Handling System Design Engineer System OneSenior Fuel Handling System Design EngineerBellevue, WARemote$69–$115 / 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 integrate results into plant design delivery.
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.
NewSystem Design Engineer, EM Pump System OneSystem Design Engineer, EM PumpBellevue, 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.
NewPrincipal Engineer, Plant Design Integration System OnePrincipal Engineer, Plant Design IntegrationBellevue, WARemote$69–$116 / hourThe ideal candidate will bring a broad nuclear engineering background, strong knowledge of NRC regulations, and the ability to lead cross-functional technical decisions affecting the overall plant design. Responsibilities: Support the development and maintenance of the Reactor Plant architecture and programs, ensuring integration of complex technical areas spanning design, analysis, licensing, and testing.
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.
NewI&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.
NewApplications Engineer / BAS Programmer JobotApplications Engineer / BAS ProgrammerSeattle, WARemote$90,000–$120,000 / hourThe right candidate will work closely with engineering, project management, and field teams to turn mechanical and electrical system designs into fully operational BAS and controls platforms that optimize building performance, reliability, and efficiency. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
NewSenior Mechanical Engineer ASME Lead System OneSenior Mechanical Engineer ASME LeadBellevue, WARemote$69–$115 / hourThis is an excellent opportunity to contribute to next-generation nuclear technology while working with a highly collaborative engineering team focused on innovation, safety, and technical excellence. This role will focus on the design, analysis, and certification of safety-related reactor components and pressure-retaining systems in accordance with ASME Section III requirements.
Application Engineer - Mobile Controls JobotApplication Engineer - Mobile ControlsSeattle, WARemote$110,000–$130,000 / yearWe're seeking an Applications Engineer – Mobile Controls to support OEM customers throughout the Western United States by providing technical expertise on electronic controls, displays, sensors, and electrohydraulic solutions. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.
Test Engineer Johnson Service GroupTest EngineerKent, WAThis role supports the development and operations of New Glenn, a single-configuration, heavy-lift orbital launch vehicle capable of routinely carrying people and payloads to low-Earth orbit, geostationary transfer orbit, cislunar, and beyond. You will identify the test fixtures, test support equipment, and data acquisition systems necessary to execute your testing scope and work with tooling and equipment designers as necessary to design and procure this hardware.
Software Engineer - Embedded Systems | Marine Autonomous Vehicle JobotSoftware Engineer - Embedded Systems | Marine Autonomous VehicleSeattle, WA$145,000–$190,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. You'll split time between maintaining existing float control software and driving new R&D development, working directly with hardware on the bench to build, test, and refine bare-metal C code running on ARM microcontrollers.
Civil Engineer JobotCivil EngineerEverett, WA$65,000–$85,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. Responsibilities: Design and develop plans, specifications, and estimates for various civil engineering projects, such as water and wastewater systems, roadways, and underground utilities.
Field Service Engineer – Water Treatment Above and Beyond Talent AcquisitionField Service Engineer – Water TreatmentBellevue, WA$25–$27 / hourContractorFull timeAbility to perform specific PLC/HMI activities including but not limited to: Control System IO Checkout, System networking, Program Upload / download, understanding of ladder logic, function blocks and troubleshooting code and ability to write simple logic. The client offers a full spectrum of water, waste, and energy management services, including water and wastewater treatment, commercial and hazardous waste collection and disposal, energy consulting, and resource recovery.
NewCertification Engineer JobotCertification EngineerMedina, WA$74,000–$95,000 / yearInformation collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal. The successful candidate will be responsible for a diverse range of certification-related tasks, including developing training material on certification/ODA procedures and ensuring compliance with FAA regulations.
Component 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.
NewPrimary 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.
NewEmbedded Solutions Engineer – Space Systems JobotEmbedded Solutions Engineer – Space SystemsSeattle, WA$126,000–$250,000 / yearFPGA Integration (Optional): Experience interfacing with or developing alongside FPGAs, including familiarity with common communication interfaces (AXI, PCIe, custom parallel buses),register-mapped peripheral access from embedded Linux or bare-metal environments, and collaborative bring-up with digital design engineers. Excellent Communication Skills: Effectively convey ideas and communicate technical topics with engineering, build staff, and operations; run self-directed design reviews and participate in reviews of parallel systems.
Commercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerSeattle, WA$77,000–$82,000 / yearMaster required job-specific and technical skills in order to promote to an assistant superintendent or assistant project manager following the 12-month training program including, but not limited to, the ability to: Set up and maintain jobsite office and all jobsite records, including project directory, construction documents, subcontractor directory, daily reports, submittal logs, RFI logs, subcontractor correspondence, etc. Ability to learn sector- and project-specific software systems, including but not limited to: Microsoft Office 365 (Project, Excel, Word, Outlook, PowerPoint, etc.), ProCore, Adobe Suite, BlueBeam, and JD Edwards software suite.
Senior 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.
Lead Drainage Engineer Johnson Service GroupLead Drainage EngineerBellevue, WAResponsibilities : Lead drainage engineering teams on transportation projects--including freeways, interstates, interchanges, urban and rural highways, and shared-use facilities. Perform hydrologic and hydraulic analyses to support the design and construction of transportation infrastructure, public and private site developments, and flood control projects.
Plant 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.
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.
Test Engineer System OneTest EngineerBellevue, WA$52–$85 / hourThe selected candidate will work closely with multidisciplinary engineering teams, scientists, and technicians to ensure testing is completed safely, accurately, and in accordance with project requirements. Bachelor's degree in Mechanical Engineering, Nuclear Engineering, Electrical Engineering, Chemical Engineering, or a related engineering discipline.
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.
Maintenance 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.
NewSenior Engineer, Plant Thermal Hydraulics Validations System OneSenior Engineer, Plant Thermal Hydraulics ValidationsBellevue, WARemote$56–$95 / hourDefine validation needs, develop test requirements, and collaborate closely with test engineering teams to ensure alignment between model gaps and experimental programs. Apply and improve SQA and NQA1 modeling quality practices and ensure traceability and configuration control of analysis inputs, models, and results.
NewSenior Engineer, Plant Thermal Hydraulic Methods System OneSenior Engineer, Plant Thermal Hydraulic MethodsBellevue, WARemote$56–$95 / hourDemonstrated experience in developing or improving analysis methods, including numerical scheme development, closure model formulation, and stability/accuracy optimization strategies. Formulate and integrate closure models and empirical correlations (e.g., heat transfer, pressure drop, mixing, component-level physics) into existing analysis frameworks.
NewPrimary Heat Transfer (PHT) Engineer, Systems System OnePrimary Heat Transfer (PHT) Engineer, SystemsBellevue, WARemote$56–$95 / hourSystem One is seeking a Contractor to provide the following services(PHT) System Design Engineer who is focused on the primary sodium heat transport system design as part of the Natrium sodium fast reactor. The successful candidate demonstrates in depth knowledge of fluid system design including knowledge of centrifugal pump and tube & shell heat exchanger operation.
Senior 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.
OSP Engineer Mountain Ltd.OSP EngineerTacoma, WA$30–$36 / hourThe Outside Plant Engineer is a subject matter expert of for all technical aspects of outside plant facilities and associated work such as cable sizing, cable counts, cable records and permitting for ROW’s and easements. This position works as a team member with Network Planning, Central Office, Transmission and Operations to support the growth, replacements, and upgrade of telecommunications plant facilities.
Plant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourJob Title: Plant Radiological Integration Engineer 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.
OSP Field Engineer Mountain Ltd.OSP Field EngineerSeattle, WAThe OSP Engineer will perform all aspects of OSP engineering including but not limited to engineering of line extensions for service order activity, pole replacements facility installations and facility relocation. The OSP Engineer will be familiar with OSP design and planning, construction, and have the ability to perform cost analysis to determine the most cost effective and efficient manner of the placement of communications facilities.
NewElectrical Engineer PE Davron LLCElectrical Engineer PEBremerton, WAELECTRICAL ENGINEER PE | ELECTRICAL ENGINEER | PROFESSIONAL ENGINEER | PE LICENSE | AUTOCAD | REVIT | SKM POWER TOOLS | GOVERNMENT FACILITIES | INFRASTRUCTURE DESIGN | POWER SYSTEM LOAD ANALYSIS | PROJECT MANAGEMENT | FEDERAL PROJECTS . With a 70-year legacy, a family-first culture, and a diverse project portfolio, this firm offers stability, flexibility, and the chance to work on both land and marine-based designs for commercial and government clients.
NewSr. Project Engineer MasTec IndustrialSr. Project EngineerSeattle, WA$130,000–$160,000Project Engineer role requires interfacing with all areas affected by the project including the client(s), engineering/design, subcontractors, distributors, equipment vendors, and the ongoing strategic communication with project management regarding the status of the project. In addition to our industrial market sector; In infrastructure, we specialize in general heavy civil construction, underground utilities, structures, electrical work, material production, roadways, bridges, specialty pavement overlays, environmental projects and commercial buildings.
Nuclear 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.
Software Development Engineer - Satellite Storage Health Tanisha SystemsSoftware Development Engineer - Satellite Storage HealthRedmond, WAFull timeYou will be responsible for the development, maintenance, and operational support of embedded software systems powering over-the-air (OTA) updates and storage management across our low-earth-orbit satellite infrastructure. PROFILES LESS THAN 10 YEARS OF EXPERIENCE preferred Job Summary: Amazon Leo is seeking a highly skilled Software Development Engineer to join our satellite software platforms team.
Software Engineer II Pinnacle Technical ResourcesSoftware Engineer IISeattle,, Washington$60–$65 / hourContractorThe specific compensation for this position will be determined by a number of factors, including the scope, complexity and location of the role as well as the cost of labor in the market; the skills, education, training, credentials and experience of the candidate; and other conditions of employment. Successfully placed or hired candidates would only be asked for banking details after accepting an offer from us during our official onboarding processes as part of payroll setup.
Electrical Engineer System OneElectrical EngineerSeattle, WA$43–$55 / hourThis individual will work closely with FAA engineers and project teams to support communications infrastructure upgrades, equipment installation, system integration, and engineering design activities. Provide engineering support including design development, SIP/IRD preparation, design updates, technical reviews, and coordination activities.
NewCAD/CAE Engineer JouléCAD/CAE EngineerRedmond, WA$54.84 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Execute CAD data cleanup and alignment activities within CAD and PLM systems.
Program Chief Engineer LeidosProgram Chief EngineerLake Stevens, WA$131,300–$237,350If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. Leidos’ Undersea Systems Division is a recognized leader in C4ISR technologies, delivering innovative, mission-critical solutions across sensor networks, unmanned systems, and tactical platforms.
NewPlant Integration Engineer, Electrical System OnePlant Integration Engineer, ElectricalBellevue, WA$69–$115 / hourSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Review electrical system design deliverables such as procurement specifications, requirements documents, system design descriptions, FMEA, calculations, and single-line diagrams.
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 Test and Integration Engineer LeidosSenior Test and Integration EngineerSeattle, WA$107,900–$195,050If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. You'll contribute to a multidisciplinary team focused on testing, integrating, and validating advanced maritime technologies, ensuring system reliability and performance from prototype design to full-scale system deployment for ongoing Navy missions.
Product Engineer WeyerhaeuserProduct EngineerPort Orchard, WA$69,300–$113,500You will also develop design tools, improve technical literature, and work with manufacturing teams to deliver production-ready solutions, while gaining exposure to laboratory testing and building codes. Description: Weyerhaeuser is a global leader in timber and wood-framed construction, delivering innovative products and solutions for residential, light commercial, and home improvement applications.
Structural Engineer WeyerhaeuserStructural EngineerFederal Way, WA$69,300–$113,500You will also develop design tools, improve technical literature, and work with manufacturing teams to deliver production-ready solutions, while gaining exposure to laboratory testing and building codes. Description: Weyerhaeuser is a global leader in timber and wood-framed construction, delivering innovative products and solutions for residential, light commercial, and home improvement applications.
Civil Engineer WeyerhaeuserCivil EngineerFederal Way, WA$69,300–$113,500You will also develop design tools, improve technical literature, and work with manufacturing teams to deliver production-ready solutions, while gaining exposure to laboratory testing and building codes. Description: Weyerhaeuser is a global leader in timber and wood-framed construction, delivering innovative products and solutions for residential, light commercial, and home improvement applications.