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.
System 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.
NewSenior 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.
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.
NewI&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.
NewTest 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.
NewMaintenance 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.
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.
NewSenior Mechanical and Robotics Design Engineer Simplexity Product DevelopmentSenior Mechanical and Robotics Design EngineerSeattle, WA$70–$95 / hourRecent hands-on SolidWorks experience with complex assemblies, configurations, production drawings, and PDM-controlled revision workflows. Build and instrument prototypes, define tests, diagnose failures, perform root-cause analysis, and iterate rapidly to working hardware.
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.
Senior Electrical Design Engineer Simplexity Product DevelopmentSenior Electrical Design EngineerSeattle, WA$140,000–$170,000 / yearOur multidisciplinary teams share ideas openly and welcome diverse perspectives because better products emerge when people, disciplines, and insights work together. We simplify complex design and production challenges, helping clients reduce product costs and improve reliability through a disciplined product development process.
Staff Design Engineer SnowflakeStaff Design EngineerBellevue, WA$198,000–$285,200 / yearThis role offers the unique opportunity to have broad creative license, empowering you to lead and create groundbreaking systems and experiences that marry aesthetics with functionality, making data more accessible and actionable for our customers. We look for low-ego individuals who thrive in dynamic and fast-moving environments and move with an experimental mindset - who rapidly test emerging capabilities to discover simpler, more powerful ways to deliver results.
Mechanical Engineer III (QVS) FujifilmMechanical Engineer III (QVS)Bothell, Washington$95,000–$120,000 / yearThis involves creating and modifying complex parts and assemblies using SolidWorks, simulation and analysis of various design alternatives using simulation packages (thermal and stress), rapid prototyping, first articles testing, developing, and executing the qualification plans, reporting results in formal documents. Position Overview: As a Mechanical Engineer III, you will solve mechanical design issues to improve the quality of complex ultrasound systems, establishing, and implementing innovative modifications of existing designs to reduce costs while still maintaining quality.
Component Engineer ProtingentComponent EngineerBellevue, WA$69–$115 / yearProvide technical direction and oversight of supplier projects, working with the Contract Administrator and Supplier Project Engineer to ensure delivery of data and other deliverables, as well as coordination and performance of technical reviews of deliverables. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies .
Maintenance Integration Engineer ProtingentMaintenance Integration EngineerBellevue, WARemote$52–$85 / hourDevelop and support the development of radioactive material handling and controls activities as they pertain to maintenance within the design of engineered systems, including fuel handling preventative maintenance activities, radioactive material transfers, remote operations, and other nuclear handling activities. About Protingent: Protingent is an Award-Winning provider of top-tier Engineering and IT talent, trusted by companies at the forefront of innovation — from Software and Aerospace to AI, Clean Tech, Medical Devices, and Connected Technologies .
NewControl Engineer AutomationtechiesControl EngineerSeattle, WAYou should be comfortable leading or supporting technical teams, mentoring junior engineers, and traveling to customer sites for startup and troubleshooting activities. The role is ideal for someone who thrives in a fast-paced consulting environment and enjoys learning new technologies while taking ownership of projects from concept through commissioning.
Project Engineer (Transit Systems) Colliers Engineering & DesignProject Engineer (Transit Systems)Seattle, Washington$130,000–$165,000 / yearFull timeOverview: Ramos CS, now a part of Colliers Engineering & Design, is actively hiring a Project Engineer (Transit Systems) to perform a wide variety of professional engineering work in a field setting on a transit capital program's Transit Power Substation System (TPSS) portfolio. The Project Engineer is directly responsible for field oversight of TPSS construction, installation, and commissioning activities, and reviews the work of Authority, State, and Contractors in accordance with the applicable Design Criteria Manual, Construction Manual, and all governing specifications.
Early-Career Water Resources Engineer Geosyntec Consultants, Inc.Early-Career Water Resources EngineerSeattle, WashingtonFull timeSkills, Experience and Qualifications: At least 2 years of related experience in environmental engineering, civil engineering, water resources, stormwater compliance, environmental monitoring, or a related field; internship, co-op, academic project, or field experience will be considered. Supporting industrial stormwater permit compliance projects, including preparation and updates to Stormwater Pollution Prevention Plans (SWPPPs), site maps, drainage figures, inspection forms, and best management practice (BMP) tables.
Experienced Water Resources / Stormwater Engineer Geosyntec Consultants, Inc.Experienced Water Resources / Stormwater EngineerSeattle, WashingtonFull timeApply data-driven methods, such as Python-based workflows, GIS analysis, automation, artificial intelligence, and machine learning concepts, where appropriate, to support environmental data analysis, H/H model preparation, infrastructure planning, and decision support tool development. Support planning and design of stormwater and water resources projects, including drainage improvements, green infrastructure / low impact development (LID), water quality treatment BMPs, erosion and sediment control, habitat restoration, and related environmental infrastructure.