Transmission System Manager, AWS Energy Team Amazon Data Services, Inc.Transmission System Manager, AWS Energy TeamSeattle, WAThe successful candidate will possess strong project management and communication skills and an ability to collaborate with cross-functional teams (Energy, Legal, Finance, Supply Strategy, Real Estate and Capacity Planning) on reporting status, issues, opportunities and key risks across a portfolio of power projects. We pioneered cloud computing and never stopped innovating — that’s why customers from the most successful startups to Global 500 companies trust our robust suite of products and services to power their businesses.
NewSenior Structural Engineer ACS Professional StaffingSenior Structural EngineerRedmond, WA$112,000–$170,000 / yearOur client, an engineering firm specializing in renewable energy, water, and environmental solutions, is seeking a Senior Structural Engineer to manage projects, lead multidisciplinary teams, and support the design of hydroelectric, fisheries, and water resource infrastructure. This role combines technical design and project leadership responsibilities, including structural analysis of concrete and steel systems, coordination across engineering disciplines, and direct client interaction throughout project execution.
Lead Software Engineer VisaLead Software EngineerBellevue, WA$173,100–$276,800 / yearAPI Generation: The ability to develop and apply Application Program Interfaces (APIs), a set of routines, protocols, and tools for building software applications that specify how software components should interact and are used when programming graphical user. Visa is a world leader in payments technology, facilitating transactions between consumers, merchants, financial institutions and government entities across more than 200 countries and territories, dedicated to uplifting everyone, everywhere by being the best way to pay and be paid.
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.
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.
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.
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 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.
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.
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 Engineer, Plant Thermal Hydraulics Validation System OneSenior Engineer, Plant Thermal Hydraulics ValidationBellevue, 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 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.
Senior Engineer, Plant Thermal Hydraulics Methods System OneSenior Engineer, Plant Thermal Hydraulics MethodsBellevue, WARemote$52–$85 / hourOther engineering activities include, but are not limited to, system transient codes development and maintenance, performing reactor transient analyses, code benchmark with Integral Effect Tests (IETs) or Separate Effect Tests (SETs), scaling analysis, software commercial-grade dedication, contributing to code assessment and adequacy evaluation, as well as performing verification and validation activities. Requirements Degree in Mechanical, Nuclear, Chemical Engineering, or similar fields, with 5+ years of experience in system-level thermal hydraulic modeling and method development for nuclear or complex energy systems.
Sodium Fire Analysis Engineer System OneSodium Fire Analysis EngineerBellevue, WARemote$56–$95 / 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 to Phenomena Identification and Ranking Table (PIRT) exercises, participating to Structures, Systems and Components (SSC) classification, developing analytical methods, performing analysis of sodium fire as well as verification and validation activities. Familiarity with functional containment approach and nuclear design, regulatory requirements, and risk-informed performance-based guidance for Non-Light Water Reactors.
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.
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.
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.
NewPower Electronics R&D Engineer Gables Search GroupPower Electronics R&D EngineerSeattle, WA$180,000–$200,000This role is focused on advanced power electronics, power conversion, AC/DC, DC/DC, HVDC/DC, inverter-based systems, and next-generation high-power conversion platforms for advanced infrastructure, data center power, EV charging, charging systems, and energy storage applications. This is an opportunity to join a newly forming R&D team working on real-world, high-power engineering challenges with strong visibility, global collaboration, and meaningful influence over future power conversion platforms.
Entry-Level Engineer – Energy Services ArdurraEntry-Level Engineer – Energy ServicesEverett, Washington$65,000–$80,000 / yearWe have made a deliberate and focused commitment to nurture a people-centric culture where people are: valued as individuals; supported in their professional and career development with multiple, varied career paths; provided the tools and resources to be successful, engaged, and satisfied in their work; and positive benefits, time-off programs, and flexibility to help maintain a healthy balance between work and home. The Entry-Level Engineer will work alongside project managers and experienced engineers while developing technical skills in design, project coordination, cost estimating, and client support.
Entry-Level Engineer – Energy Services Ardurra Group, Inc.Entry-Level Engineer – Energy ServicesEverett, WA$65,000–$80,000 / yearPart timeWe have made a deliberate and focused commitment to nurture a people-centric culture where people are: valued as individuals; supported in their professional and career development with multiple, varied career paths; provided the tools and resources to be successful, engaged, and satisfied in their work; and positive benefits, time-off programs, and flexibility to help maintain a healthy balance between work and home. The Entry-Level Engineer will work alongside project managers and experienced engineers while developing technical skills in design, project coordination, cost estimating, and client support.