NewSenior Mechanical Design Engineer System OneSenior Mechanical Design EngineerBellevue, WARemoteSystem One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America. Working experience with ASME Boiler & Pressure Vessel Code Section III.
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.
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.
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.
NewComponent 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.
RAC 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.
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.
NewI&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.
NewProduct Review Engineer InnovaProduct Review EngineerEverett, WA$75–$85 / hourThrough our global delivery centers across North America, Asia, and Europe, we deliver strategic technology and business transformation solutions to our clients, enabling them to operate as leaders within their fields. ABOUT INNOVA SOLUTIONS: Founded in 1998 and headquartered in Atlanta, Georgia, Innova Solutions employs approximately 50,000 professionals worldwide and reports an annual revenue approaching $3 Billion.
CAD/CAE Engineer ComriseCAD/CAE EngineerRedmond, WA$54–$56.66 / hourTemporaryContractorFull timeJob title: CAD/CAE Engineer Location: Onsite at Redmond, WA Pay range: $54 - $56.66/hr W2 Responsibilities: Supports engineering data quality and PLM readiness by executing CAD data cleanup and alignment activities within CAD and PLM systems. Success in this role depends on strong attention to detail, ability to follow structured processes, and effective collaboration with engineering teams.
Senior Software Development Engineer, Aurora PostgreSQL Amazon Development Center U.S., Inc.Senior Software Development Engineer, Aurora PostgreSQLRedmond, WAAmazon Aurora PostgreSQL Engine team is looking for experienced technical experts in relational databases and large scale storage system technologies, who are excited about building large scale database systems that run across thousands of servers across multiple datacenters worldwide. As a member of the UC organization, you’ll support the development and management of Compute, Database, Storage, Internet of Things (Iot), Platform, and Productivity Apps services in AWS, including support for customers who require specialized security solutions for their cloud services.
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.
NewCivil 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.
NewField 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.
Mechanical Engineer IV (Opto -AR/VR) BC ForwardMechanical Engineer IV (Opto -AR/VR)Redmond, WAFull timeThe ideal candidate will have strong experience in mechanical design for electromechanical sensor integration, wearable hardware, and optical systems for AR/VR and a proven ability to deliver robust designs from concept through production while meeting performance and reliability targets . With delivery centers and offices across North America and India, we take pride in building long-term relationships and delivering excellence through innovation, collaboration, and integrity.
NewSoftware Engineer (Typescript) JobotSoftware Engineer (Typescript)Seattle, WA$180,000–$220,000 / 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. By applying for this job, you agree to receive calls, AI-generated calls, text messages, or emails from Jobot, and/or its agents and contracted partners.
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.
NewEnvironmental Engineer Aminov Search PartnersEnvironmental EngineerSeattle, WA$150,000 / yearQualifications include a Bachelor's Degree in Civil or Environmental Engineering, a Professional Engineer (PE) license, and substantial experience in collaborating with stakeholders, navigating regulatory landscapes, and engineering water infrastructure solutions. The ideal candidate will apply their comprehensive knowledge in civil and environmental engineering to innovate and lead projects, while ensuring compliance with pertinent 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.
SR. GOOGLE CLOUD PLATFORM ENGINEER Widenet ConsultingSR. GOOGLE CLOUD PLATFORM ENGINEERRenton, WAContractorAs the platform expands, integrating Google Cloud Platform (GCP) and Google Workspaces into a cohesive, governed, and automated ecosystem is critical to enabling secure collaboration, scalable infrastructure, and consistent developer experiences. As a Senior Google Platform Engineer, you will design and implement the platform capabilities that unify identity, collaboration, and cloud infrastructure across GCP and Workspace technologies, like Analytics, Firebase, Maps, and Play.
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.
NewWeld Engineer System OneWeld EngineerBellevue, WA$63–$80 / hourThis is a hands-on, high-impact role where your weld engineering and metallurgy expertise will influence how advanced components are designed, tested, qualified, and transitioned into supplier-ready manufacturing processes. System One is seeking a highly motivated Weld Engineer to support a Materials Development & Qualification team advancing next-generation materials and components for sodium-cooled fast reactors .
NewSystem 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 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.
Test 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.
NewSenior 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.
RAC 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).
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.
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.
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.
Plant 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.
OSP Engineer Mountain Ltd.OSP EngineerEverett, WA$30–$36 / hourThe Outside Plant Engineer is a subject matter expert 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 upgrades of telecommunications plant 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.
NewSenior Structural Analysis Engineer Davron LLCSenior Structural Analysis EngineerSeattle, WASENIOR STRUCTURAL ANALYSIS ENGINEER | TUKWILA, WA | HYBRID | NASTRAN | FEMAP/PATRAN | STATIC ANALYSIS | MODAL ANALYSIS | VIBRATION ANALYSIS | VIBRATION TEST PLANS | STRUCTURAL TEST PROCEDURES | FINITE ELEMENT MODELING (FEM) | LAUNCH LOADS . Located near Seattle, WA with a hybrid schedule, this Senior Structural Analysis Engineer opportunity supports newly awarded programs and rapid delivery timelines.
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.
NewPrinciple Engineer/Spacecraft Test Development Davron LLCPrinciple Engineer/Spacecraft Test DevelopmentTukwila, WAPRINCIPAL ENGINEER, SATELLITE TEST DEVELOPMENT | SPACECRAFT TEST DEVELOPMENT | TUKWILA, WA | PYTHON | DOORS | JAMA | GSE | SPACECRAFT INTEGRATION AND TEST | QUALIFICATION AND ACCEPTANCE TEST | TEST AUTOMATION | ITAR ELIGIBILITY | ONSITE . In this Principle Engineer/Spacecraft Test Development opportunity, you’ll lead the transition from engineering-driven test approaches to robust, automated qualification and acceptance campaigns that reduce variability and risk while increasing throughput.
Optical Engineer III Pinnacle Technical ResourcesOptical Engineer IIIRedmond, Washington$75–$85 / hourContractorThe Optical Engineer III will play a critical role in developing new concepts and technologies for next-generation Near-Eye Displays (NEDs), projectors, cameras, and sensors. The specific compensation for this position will be determined by several 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.
NewSoftware Engineer V Pinnacle Technical ResourcesSoftware Engineer VRedmond, Washington$80–$90 / hourContractorThis position involves researching, designing, developing, and testing operating systems-level software, compilers, and network distribution software for various applications, including medical, industrial, military, communications, aerospace, business, scientific, and general computing. The specific compensation for this position will be determined by several 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.
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.
NewElectrical 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.
NewI&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.
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.
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.
NewPrincipal 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.
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.
Field Engineer Keller North America, Inc.Field EngineerSeattle, WA$85,000–$90,000 / yearKeller is an excellent fit for a candidate who decided to become a civil engineer to work in Construction that includes a balance of design and construction management with a combination of field and office work. By connecting global resources and local experience, Keller develops innovative, practical, and cost-effective solutions to geotechnical challenges.
Safety 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.
NewLead EPC Substation Project Engineer LeidosLead EPC Substation Project EngineerSeattle, WA$107,900–$195,050These consulting services provide clients with overall project management tasks in the areas of comprehensive engineering design of electrical transmission and distribution, substation and transmission line projects nationwide. March 31, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.