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.
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.
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 Safety Analysis Engineer, Nuclear System OneSenior Safety 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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
Security & Compliance Engineer MaximusSecurity & Compliance EngineerSeattle, WARemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Monitor and operate network security tools, supporting alert triage, threat detection, and initial response actions across network and communications infrastructure.
Product Design Quality Engineer Karwell TechnologiesProduct Design Quality EngineerBothell, WAMaintain design traceability documentation, including Design History Files (DHF), Device Master Records (DMR), and related quality documentation. Review Engineering Change Requests (ECRs), Engineering Change Orders (ECOs), and design modifications to ensure compliance with established change control procedures.
Transmission Planning Engineer I Puget Sound EnergyTransmission Planning Engineer IBellevue, WA$80,200–$115,800 / yearThere are additional voluntary options of supplemental life insurance, accidental death and dismemberment insurance, flexible spending accounts for health care and dependent daycare, and an Employee assistance program (EAP). To learn more about why PSE is a great place to work, see our Employee Value Proposition, which highlights our commitment to employee growth, work-life balance, and meaningful career opportunities in the energy sector.
Supplier Quality Engineer OSI Systems, IncSupplier Quality EngineerSnoqualmie, Washington$105,000–$130,000 / yearhas three operating divisions: (a) Security, providing security and inspection systems, turnkey security screening solutions and related services; (b) Healthcare, providing patient monitoring, diagnostic cardiology and anesthesia systems; and (c) Optoelectronics and Manufacturing, providing specialized electronic components and electronic manufacturing services for original equipment manufacturers with applications in the defense, aerospace, medical and industrial markets, among others. The Supplier Quality Engineer will establish relationships across the supply chain in order to support supplier needs to support resolution of product issues and assist in identification of process improvement opportunities and to ensure safe and effective products and services.
NewProject 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.
Engineer Risk Mitigation Consulting LLCEngineerBremerton, WA$115,000–$125,000 / yearPosition Summary: The Engineer will provide expertise regarding utilities systems (Including but not limited to electrical power, water, wastewater, natural gas, steam, chilled/hot water, and bulk fuels) such as found on military installations or medium-sized communities. The Engineer must be able to clearly communicate and articulate technical issues to customers and other team members as well as prepare formal presentations and professional written reports, primarily serving clients within the US Navy and United States Marine Corps.
Senior Electrical Engineer (Generation) WSP Global IncSenior Electrical Engineer (Generation)Seattle, WA$115,100–$205,040 / yearTasks include the research, design, concept development, planning, and construction of transmission and distribution substations, power distribution, power regulation, renewable energy, as well as protection and control systems in a wide variety of contexts (utilities, transportation, building, and Federal, State, and local government projects). Provides subject matter technical support and leadership for multi-site/phase due diligence, investigation, remediation, impact assessment, permitting, improvement, design, development, and construction of utility, industrial, and commercial scale projects in the public and private sector.
Mechanical Engineer - Federal Stantec IncMechanical Engineer - FederalSeattle, WACome join Stantec, a Top 10 global design firm in our Federal Buildings practice that provides Architecture, Buildings Engineering, Urban, and Interior Design services with a long history and deep commitment to clients that include NAVFAC, USACE, USCG, NGB, GSA, and more. Stantec offers a hybrid home/office work environment, and expects team members in one of our Puget Sound or San Diego offices at least 2 days a week or more for all-staff meetings, project-related team work sessions, client meetings, and employee engagement functions etc.
Senior Fish Passage Engineer Stantec IncSenior Fish Passage EngineerSeattle, WAWhether through the design and construction of new facilities or improving the design, operation, safety and efficiencies of existing projects, the focus of the position will be serve as a senior technical lead or resource to engage our highly skilled team of engineers in the technical execution of fish screening and fish passage infrastructure at water intakes, dams, spillways, and hydropower facilities. This position will work collaboratively with project teams in Stantec's Energy & Resources and Water Business Operating Units to support the service needs of our clients - primarily on local and regional projects but occasionally on national, and potentially international projects.
Mechanical Engineer/Designer Stantec IncMechanical Engineer/DesignerSeattle, WAStantec offers a hybrid home/office work environment, and expects team members in one of our Portland office at least 2-3 days a week or more for all-staff meetings, project-related team work sessions, client meetings, and employee engagement functions etc. Primary Location: United States | OR | Portland Organization: 2048 Buildings-US Northwest-Portland OR Employee Status: Regular Business Justification: New Position Travel: No Schedule: Full time Job Posting: 09/04/2026 05:04:44 Req ID: 1005284.
Senior Civil Engineer, Water/Wastewater Conveyance & Hydraulic Modeling Stantec IncSenior Civil Engineer, Water/Wastewater Conveyance & Hydraulic ModelingBellevue, WAYou will step into a high-impact technical leadership role on regional water supply programs: large-diameter transmission mains, storage tanks and reservoirs, high-capacity pump and lift stations, river crossings, and corridor and site alternatives analyses that shape multi-hundred-million-dollar capital programs. Deep expertise in conveyance design: large-diameter transmission and force mains, sanitary collection (open channel hydraulics, diurnal patterns, flow diversion), pipe rehabilitation (CIPP, pipe bursting, sliplining), and trenchless construction (HDD, microtunneling, auger boring).
Senior Backend Engineer - AI Platform WEX Inc.Senior Backend Engineer - AI PlatformSeattle, WARemote$121,500–$145,500 / yearWe provide fleet managers and operators with advanced spend orchestration capabilities, encompassing fuel discounts and sophisticated spend controls that permit precise configuration of merchant restrictions, transaction limits, and velocity thresholds to optimize operational efficiency. Within the NAM Mobility ecosystem, our products facilitate strategic credit issuance to fleet organizations and their workforce through WEX-branded or co-branded credit instruments, accepted across a vast network of fueling stations and merchant partners.
Principal Core Infrastructure Engineer Oracle CorpPrincipal Core Infrastructure EngineerSeattle, WA$84,900–$209,500 / yearContinuous Improvement: Develops ideas, recommends updates, and/or collaborates on the implementation of process improvements to increase the efficiency and effectiveness of processes, protocols, and workflows across teams, and evaluates the impact on key stakeholders. As a Principal Core Infrastructure Engineer (AI/ML Forward Deployed Infrastructure Engineer), you will play a critical role in designing, implementing, and maintaining the infrastructure that supports our customers AI and machine learning initiatives.
Senior Mechanical Engineer (Vessels) System OneSenior Mechanical Engineer (Vessels)Bellevue, WARemote$69–$115 / hourPerform detailed design, analysis, and documentation for ASME Section III Class HB and/or Section VIII division 2 vessels, including nozzles, flanges, support brackets, and other support elements used in nuclear facilities. Minimum of six years of equipment / component design experience for level 10 or minimum of ten years of equipment / component design experience for level 11; relevant M.S. degree credited as two years of experience.
Senior Process Mechanical Engineer, Power AtkinsRealis Group IncSenior Process Mechanical Engineer, PowerBothell, WAThis position supports engineering execution for new and existing power generation facilities, including simple-cycle and combined-cycle plants, and requires strong technical knowledge in thermodynamics, heat transfer, fluid systems, and equipment specification. Note to staffing and direct hire agencies: In the event a recruiter or agency who is not on our preferred supplier list submits a resume/candidate to anyone in the company, AtkinsRéalis family of companies, we explicitly reserve the right to recruit and hire the candidate(s) at our discretion and without any financial obligation to the recruiter or agency.
Software Engineer III, Cloud Services - Brain Health Allen Institute for Brain ScienceSoftware Engineer III, Cloud Services - Brain HealthSeattle, WA$146,600–$183,250 / yearOur mission focuses on taking a human-centric approach to understanding and treating disease, combining a large-scale open science discovery approach across multiple diseases, AI-based disease modeling, and translational programs in specific diseases to move from discovery to clinical application. You will serve as a key technical partner to research and engineering teams, collaborate closely with engineers and solution architects from cloud providers, and represent the Institute in engagements with external vendors and collaborators.
Senior Engineer, Quality Assurance Engineering Apidel TechnologiesSenior Engineer, Quality Assurance EngineeringRedmond, WAContractorPerform critical assessments and qualifications of internal and supplier-proposed change management activities, including Production Part Approval Process (PPAP) activities for supplier changes. Own identified internal and supplier-driven Non-Conformances (NC) and Corrective Action Preventative Action records (CAPA), managing the timely processing and closure of NC and CAPA records within the electronic management system, Track wise.
Product Quality Assurance Engineer Hasbro, Inc.Product Quality Assurance EngineerRenton, WA$102,300–$153,400 / yearFrom our genre-defining games like Magic: The Gathering and Dungeons & Dragons to our growing multiverse, we continue to innovate and build new ways to foster friendship and connection. At Hasbro and Wizards of the Coast, you'll collaborate with passionate teams to reimagine our iconic brands and create experiences that spark joy, connection, and community through the magic of play.
Senior Mechanical Engineer PBK ArchitectsSenior Mechanical EngineerSeattle, WA$120,000–$148,000 / yearYou will help with the design of HVAC systems for commercial and educational facilities including load calculations, air-unit and chiller equipment selections, ductwork, pump and pipe sizing and layout. Utilize knowledge of design techniques and principals to mentor and train other designers and engineers involved in the production of plans, sections diagrams, equipment schedules, and drawings.
Senior Mechanical Engineer - Federal Stantec IncSenior Mechanical Engineer - FederalSeattle, WACome join Stantec, a Top 10 global design firm in our Federal Buildings practice that provides Architecture, Buildings Engineering, Urban, and Interior Design services with a long history and deep commitment to clients that include NAVFAC, USACE, USCG, NGB, GSA, and more. Stantec offers a hybrid home/office work environment, and expects team members in one of our Puget Sound or Sacramento offices at least 2 days a week or more for all-staff meetings, project-related team work sessions, client meetings, and employee engagement functions etc.
Project Engineer 2 Economy Forms CorpProject Engineer 2Seattle, WAOccasionallyHearing: FrequentlyTalking: FrequentlyCapacity to think, concentrate and focus for long periods of time: FrequentlyAbility to read complex documents in the English language: FrequentlyCapacity to reason and make sound decisions: FrequentlyAbility to write complex documents in the English language: FrequentlyCapacity to express thoughts orally: FrequentlyExpertise in: Ability to regularly perform all job functions at company office or worksiteAbility to withstand environmental conditions such as extreme heat or cold, grass, wind, sand, fumes, odors, gases, noises. To ensure a safe work environment while meeting the physical demands of the job you must be able to perform the following physical and mental tasks with or with or without a reasonable accommodation: Balancing- Maintaining equilibrium when walking, climbing, crouching, etc: ConstantlyRepetitive Motions- Substantial movements (motions) of the wrists, hands, and/or fingers: OccasionallySitting/Standing- Must be able to sit or stand as required for extended periods of time: FrequentlyStooping- Bending at the waist: OccasionallyLifting motions or lifting objects up to 10 lbs.
Substation Engineer WSP Global IncSubstation EngineerSeattle, WA$78,600–$135,000 / yearIf you''re energized by large-scale infrastructure projects, enjoy solving complex technical challenges, and want to help shape the future of digital infrastructure, this is an opportunity to make a lasting impact while accelerating your career on some of the most significant power delivery projects being developed today. WSP USA is providing the compensation range that the company in good faith believes it might pay and offer for this position, based on the successful applicant's education, experience, knowledge, skills, abilities in addition to internal equity and specific geographic location.
Senior Telecommunications Engineer MaximusSenior Telecommunications EngineerSeattle, WARemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Execute upgrades, migrations, and network changes for collaboration and communications platforms, ensuring minimal service disruption and adherence to change management processes.
Junior Security Engineer MaximusJunior Security EngineerSeattle, WARemoteFull timeMaximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment. - Perform basic containment activities, including access changes, application removal, configuration updates, and allow/block list management following established procedures.
Project Engineer & Project Manager Bhc Consultants, LLCProject Engineer & Project ManagerSeattle, WAThe following would also be of benefit: Experience working with state regulatory agencies (Ecology & DOH) Clientele and professional relationships Professional society involvement Technical and/or project management training Experience with hydraulic modeling Experience with wastewater process design Knowledge of AutoCAD, Civil 3D, GIS and/or Revit (BIM) design software products Advanced degrees beyond Bachelor of Science. Demonstrate and develop project management skills to lead projects, including the ability to develop scopes of work, budgets, and schedules during project planning; deliver work products on time and within budget; and effectively communicate and meet client expectations.
Staff Software Engineer (Product + Platform Development) Red Cell PartnersStaff Software Engineer (Product + Platform Development)Seattle, VirginiaRed Cell Partners is an incubation firm building and investing in rapidly scalable technology-led companies that are bringing revolutionary advancements to market in three distinct practice areas: healthcare, cyber, and national security. Identifying indicators of potentially fraudulent, fabricated, or materially misleading application content, including but not limited to discrepancies between submitted materials and publicly available professional profiles, geographic anomalies, and fabricated work histories.
Senior Safety Verification and Validation Engineer System OneSenior Safety Verification and Validation EngineerBellevue, WashingtonYou will work on developing and assessing benchmark models, ensuring compliance with NRC guidance (RG 1.203), and supporting safety methodology development for next-generation nuclear systems, including Sodium Fast Reactors (SFR). Qualifications & Skills:Extensive experience with nuclear safety software verification, validation, and system transient analysis codes (RELAP5-3D, TRACE, MELCOR, SAS4A/SASSYS-1, SAM, or similar).
Staff Product Security Engineer DataRobot IncStaff Product Security EngineerSeattle, WADataRobot is seeking an experienced Staff Product Security Engineer to drive security innovation while ensuring our platform meets the rigorous demands of our Federal and Commercial customers. At DataRobot we encourage ALL candidates, especially women, people of color, LGBTQ+ identifying people, differently abled, and other people from marginalized groups to apply to our jobs, even if you do not check every box.
Mobility Platform Engineer MaximusMobility Platform EngineerSeattle, WARemoteFull timeMaximus TCS (Technology and Consulting Services) Internal Job Profile Code: TCS219, T3, Band 6 The Mobility Platform Engineer supports enterprise mobility services by providing engineering, operations, and sustainment of Mobile Device Management (MDM) and Mobile Threat Detection (MTD) platforms supporting approximately 22,000 mobile endpoints. Maximus compensation is based on various factors including but not limited to job location, a candidate's education, training, experience, expected quality and quantity of work, required travel (if any), external market and internal value analysis including seniority and merit systems, as well as internal pay alignment.
Principal Software Engineer MediaAlpha Inc.Principal Software EngineerBellevue, WA$200,000–$350,000 / yearYou own the architecture, health, and strategic technical direction across large and complex systems that span multiple teams-ensuring sound design, operational excellence, and alignment with business needs across the ecosystem. We are an intentionally small organization, designed for agility, speed, collaboration, and workability, where Principal Engineers serve as the technical authorities and go-to leaders across multiple teams and groups.
Staff+ Software Engineer, Full-stack Anthropic PBCStaff+ Software Engineer, Full-stackSeattle, WA$405,000–$485,000 / yearBeneficial Deployments: We're looking for experienced software engineers to join our Beneficial Deployments Engineering team to help bring Claude to communities that need AI most: nonprofits, educational institutions, healthcare organizations, life sciences researchers, and economic mobility initiatives globally. We'll look to you to have a product-oriented mindset and input, own technical quality across the stack (performance, accessibility, reliability, and developer experience), scale your efforts to millions of users on a global scale, and carry genuine excitement about what AI makes possible.
Software Engineer, Full-stack Anthropic PBCSoftware Engineer, Full-stackSeattle, WA$300,000–$320,000 / yearBeneficial Deployments: We're looking for experienced software engineers to join our Beneficial Deployments Engineering team to help bring Claude to communities that need AI most: nonprofits, educational institutions, healthcare organizations, life sciences researchers, and economic mobility initiatives globally. We'll look to you to have product sense and input, drive technical quality across the stack (performance, accessibility, reliability, and developer experience), scale your efforts to millions of users on a global scale, and carry genuine excitement about what AI makes possible.
Staff+ Software Engineer, Platform Anthropic PBCStaff+ Software Engineer, PlatformSeattle, WA$405,000–$485,000 / yearThis research continues many of the directions our team worked on prior to Anthropic, including: GPT-3, Circuit-Based Interpretability, Multimodal Neurons, Scaling Laws, AI & Compute, Concrete Problems in AI Safety, and Learning from Human Preferences. You'll independently scope complex, multi-month projects, drive cross-org alignment through ambiguous problem spaces, and make architectural decisions that shape how Anthropic builds and scales its products.
Senior Structural Engineer - Buildings Colliers Engineering & DesignSenior Structural Engineer - BuildingsSeattle, Washington$120,000–$150,000 / yearFull timeWe have also created an internal culture that provides the resources and technology needed to encourage personal and professional growth opportunities through reimbursement for education; a free in-house resource for hundreds of educational and self-enrichment courses; mentorship program; wellness program; Women’s Organization and ongoing philanthropic opportunities. By developing strong connections with our clients, Colliers Engineering & Design engineers ensure our designs enhance the health, welfare, safety and comfort of building occupants.