Mechanical Design Engineer System OneMechanical Design EngineerBellevue, WA$52–$85 / hourp>You will work within a high-performing, multi-disciplinary engineering team that includes materials science and thermal-hydraulics experts to develop novel analysis methodologies and support the design of next-generation reactor hardware. Contractor Work Model: Hybrid System One is seeking a Mechanical Design Engineer to support the Molten Chloride Fast Reactor (MCFR) program.
NewCRD System Design Engineer (Mechanical) System OneCRD System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourp>The selected candidate will collaborate with project managers, design engineers, analysts, test engineers, supply chain teams, and other engineering disciplines to support the successful development and deployment of advanced reactor technology. The successful candidate will demonstrate strong technical leadership, engineering excellence, attention to detail, and the ability to thrive in a fast-paced, collaborative engineering environment.
NewRAC System Design Engineer (Mechanical) System OneRAC System Design Engineer (Mechanical)Bellevue, WARemote$54–$90 / hourp>The 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.
NewSenior Mechanical Engineer ASME Lead System OneSenior Mechanical Engineer ASME LeadBellevue, WARemote$69–$115 / hourThis 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. This 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.
Senior Mechanical Engineer System OneSenior Mechanical EngineerBellevue, WARemotep>System 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.
Senior Mechanical Engineer (Vessels) System OneSenior Mechanical Engineer (Vessels)Bellevue, WARemote$69–$115 / hourul>Perform 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 Mechanical Engineer - Remote System OneSenior Mechanical Engineer - RemoteSeattle, WARemote$55–$75 / hourThis position will play a key role in managing multi-discipline engineering efforts, supporting EPCm-style projects, and ensuring successful project execution across safety, quality, cost, and schedule. This role is ideal for a hands-on engineering professional who is experienced across the full project lifecycle—from concept and pre-FEED through commissioning and startup.
NewFuel Handling Design Engineer System OneFuel Handling Design EngineerBellevue, WA$52–$85 / hourli>Interface with cross-functional design disciplines (mechanical, instrumentation & controls, civil, nuclear) to develop plant design information and define system design/performance criteria. Physical requirements include sitting and/or standing for extended periods, bending/stooping, grasping/gripping, fine motor control, with minimal physical exertion, including the ability to safely lift up to 25 pounds.
System Design Engineer System OneSystem Design EngineerBellevue, 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.
Senior Component Design Engineer (RPA) – Contract System OneSenior Component Design Engineer (RPA) – ContractBellevue, WARemote$56–$95 / hourdegree in Mechanical Engineering or equivalent (minimum of eight years of equipment/component design experience; relevant M.S. degree credited as two years of experience) . System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.
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.
NewRAC Component Design Engineer (Ventilation) System OneRAC Component Design Engineer (Ventilation)Bellevue, WARemote$50–$80 / hourli>Provide technical direction and interface to supplier projects, working with supply chain teams to ensure delivery of engineering designs and other deliverables, as well as coordination and performance of technical reviews of deliverables. Interface with and support licensing activities needed to obtain both the construction and operating licenses for the reactor systems including development of safety analysis reports, technical specifications, topical reports, and other licensing documents.
Component Design Engineer (RPA) – Contract System OneComponent Design Engineer (RPA) – ContractBellevue, WARemote$52–$85 / hourli>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. 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.
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.
EWIS Engineer (w/Capital Harness Experience) 804 TechnologyEWIS Engineer (w/Capital Harness Experience)Seattle, WA$165,000–$184,000 / yearFull timeYou will play a key part in ensuring wiring harnesses and interconnection systems meet all functional, safety, and certification requirements while delivering high-quality engineering solutions to our customers. We are seeking a talented EWIS (Electrical Wiring Interconnection System) Engineers with 5+ years of drawing and design experience in Siemens Capital Harness (Capital).
Process Engineer V # 26-12762 US Tech SolutionsProcess Engineer V # 26-12762Redmond, WA$60–$120 / hourContractorFull timeThe successful candidate will possess experience with a wide variety of manufacturing processes, be comfortable driving a team of engineers to rapidly develop and scale Client manufacturing processes and have the ability to work with a team of researchers with tolerance for a high degree of ambiguity. Experience with mass production of systems requiring multiple manufacturing processes such as: miniature motorized mechanisms; soft goods cutting, laminating, and kitting; active optical alignment, casting, molding, machining, electronics packaging, coatings, additive manufacturing.
Senior Engineer System OneSenior EngineerBellevue, WARemote$56–$95 / hourThe successful candidate will be responsible for preparing, reviewing, and certifying Design Specifications (DS) and Design Reports (DR) in accordance with ASME Boiler & Pressure Vessel Code Section III, while supporting regulatory, compliance, and customer deliverables. System One is seeking an experienced Senior Mechanical Engineer to support the design and development of reactor structures and components for a next-generation Generation IV advanced nuclear reactor program.
Flight Test Engineer 804 TechnologyFlight Test EngineerSeattle, WA$85–$95 / hourFull timeDesired for Cross-Training Opportunities: Aerospace engineering experience in Flight Sciences, including experience in aerodynamic testing and/or design; flight testing of aircraft performance and handling characteristics, including experience with take-off; landing; climb and route performance; static-source error corrections and stall speed testing; longitudinal & lateral/directional stability and control; minimum control speeds; stall characteristics; high speed characteristics, crosswind takeoff/landing and flight into known icing. The primary role in this position is as a Flight Test Engineer who is responsible for coordinating test and certification requirements, authoring and executing flight and ground test plans for a wide variety of aircraft platforms including FAA Part 23, 25, 27 and 29 as well as new and novel technology demonstrator programs such as electric and hydrogen propulsion.
Electrical Engineer Davis Wire CorporationElectrical EngineerKent, WAp>More information about the overall organization can be found at www.heicocompanies.com. Historically talented at restoring distressed companies, Heico strategically targets acquisitions that will complement its ever-growing portfolio of companies in manufacturing, construction, and industrial services.
NewComponent Engineer, Nuclear System OneComponent Engineer, NuclearBellevue, WARemote$52–$85 / hourSystem One, and its subsidiaries including Joulé, ALTA IT Services, 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.
NewCommercial Construction Project Engineer HITT ContractingCommercial Construction Project EngineerSeattle, WA$77,000–$82,000 / yeardiv>Master 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 .Environmental Engineer Aminov Search PartnersEnvironmental EngineerSeattle, WA$150,000–$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.Weld Engineer System OneWeld EngineerBellevue, WA$63–$80 / hourp>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. This 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 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.Thermal Analysis Engineer System OneThermal Analysis EngineerBellevue, WARemote$52–$85 / hourli>Perform thermal modeling of fluid-structure interfaces, including metallic structure thermal problems with structure conductive heat transfer, air convective heat transfer, radiation, and sodium-structure heat transfer modes. Work with our client’s component design leads and analysis engineers to evaluate specific component issues, develop local models or modify existing, and provide insights and feedback to design teams for action.Plant Integrated Analysis Engineer System OnePlant Integrated Analysis EngineerBellevue, WARemote$37–$74 / hourp>Working as part of a multidisciplinary engineering team, you'll collaborate with safety, instrumentation & controls (I&C), and system design engineers to model, analyze, and validate complex plant systems. System One is seeking a highly motivated Plant Integrated Analysis Engineer to support the development of advanced sodium-cooled nuclear reactor technology.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 .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.NewRAC System Engineer (Process & I&C) System OneRAC System Engineer (Process & I&C)Bellevue, WARemote$54–$90 / hourli>Develop 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).NewPlant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourpre>Job 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. The Plant Radiological Integration Engineer will work as part of a high-performing team of engineers and scientists.ResponsibilitiesCoordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams.NewProbabilistic Risk Assessment (PRA) Engineer (Entry Level) System OneProbabilistic Risk Assessment (PRA) Engineer (Entry Level)Bellevue, WARemote$37–$74 / hourp>The selected candidate will contribute to the development and maintenance of PRA models, perform risk analyses, support hazard evaluations, and collaborate with engineering teams to ensure safe, reliable, and innovative reactor designs. This role offers an excellent opportunity to work with a multidisciplinary engineering team performing probabilistic risk assessments, severe accident analysis, and safety evaluations that support reactor design, licensing, and regulatory compliance.Test Engineer III (Metrology) BC ForwardTest Engineer III (Metrology)Redmond, WA$53–$55 / hourFull timeMaster's degree or equivalent experience in Optics, Optical Sciences, Optical Engineering, Physics, Mechanical Engineering, Electrical Engineering, Computer Sciences, or a similar field. The ideal candidate will have strong experience in optical testing, calibration, data analysis, and test automation and a proven ability to develop and execute test procedures, analyze results, and drive hardware quality.Process Engineer V (Manufacturing) BC ForwardProcess Engineer V (Manufacturing)Redmond, WAFull timeBackground in mass production across multiple processes such as miniature motorized mechanisms, soft goods cutting/laminating/kitting, active optical alignment, casting, molding, machining, electronics packaging, coatings, and additive manufacturing. The ideal candidate will have strong experience in scaling novel manufacturing processes from concept to pilot-production, system integration, and DFx and a proven ability to deliver reliable, high-performance hardware prototypes for emerging VR/AR systems.Mechanical Design Engineer (Contract) Zeno PowerMechanical Design Engineer (Contract)Seattle, WA$65–$80 / hourFull timePerson" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum). Zeno is seeking a highly motivated Mechanical Design Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.Mechanical Design Engineer Remote (Contractor) Zeno PowerMechanical Design Engineer Remote (Contractor)Seattle, WARemoteFull timePerson" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum). Zeno is seeking a highly motivated Mechanical Design Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.Mechanical Design Engineer III - Blue Ring Mechanisms Blue Origin LLCMechanical Design Engineer III - Blue Ring MechanismsSeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.Mechanical Design Engineer Zeno PowerMechanical Design EngineerSeattle, WA$105,000–$125,000 / yearFull timeZeno is seeking a highly motivated Mechanical Design Engineer to support the engineering efforts of developing Radioisotope Power Systems (RPSs) for applications from the seabed to the surface of the moon. Person" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum).Senior Mechanical Engineer P2S, Inc.Senior Mechanical EngineerSeattle, WA$148,000–$180,000 / yearFull timeThird-Party Recruiting DisclaimerLegence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities.Senior Mechanical Engineer - Buildings Colliers Engineering & DesignSenior Mechanical Engineer - BuildingsSeattle, WA$106,600–$140,000 / 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. We provide a full range of mechanical engineering services to municipal, commercial, higher education and public works agencies, partnering with clients to design buildings from the ground-up or to renovate existing buildings to optimize their use.Senior Mechanical Engineer (10+ Years) Coffman EngineersSenior Mechanical Engineer (10+ Years)Seattle, WAFull timeOur broad range of markets, clients, and services, coupled with industry-leading talent, provides unique and exciting opportunities to grow as professionals, serve clients, and make a difference in our communities. The role involves working across varied project delivery approaches, managing projects through design and execution, and focusing on sustainable engineering solutions.Mechanical Engineer II Blue Origin LLCMechanical Engineer IISeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.Senior Mechanical Engineer | Seattle, WA IMEG Corp.Senior Mechanical Engineer | Seattle, WAQueen Anne, WAFull timeIMEG is hiring a Senior Mechanical Designer in Seattle, Washington, to lead design efforts as a project manager or lead designer for moderate to complex projects and support delivery of larger, high-complexity work with limited senior oversight. In this role, you will provide project direction, engineering solutions, and client guidance while overseeing project management, engineering analysis, design, and implementation of mechanical systems for the vertical building industry.Associate Principal Mechanical Engineer - Data Centers McKinstryAssociate Principal Mechanical Engineer - Data CentersSeattle, WA$130,320–$224,400 / yearFull timeThe role will be a key member of the DCI leadership team representing the Engineering and Design department professionally by engaging deeply with customers to understand their long-term needs and plans and make a compelling case for selecting the McKinstry team. contingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.Lead Engineer - Mechanical McKinstryLead Engineer - MechanicalSeattle, WAFull timecontingent upon successfully passing a pre-employment drug and alcohol test,complying withthe requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks. Proficient and able to coach/delegate mechanical systems design, including calculations, airside systems, piping systems, equipment selection and multidiscipline coordination.Associate Mechanical Engineer McKinstryAssociate Mechanical EngineerSeattle, WA$111,420–$187,000 / yearFull timeSPG. account executives to scope and deliver projects such as steam heating conversions, rooftop unit replacement, boiler and chiller replacement, and tenant improvements ranging from commercial office to higher education to life sciences and healthcare. contingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.Liquids Cryogenic Hardware Design Engineer III - Lunar Permanence Blue Origin LLCLiquids Cryogenic Hardware Design Engineer III - Lunar PermanenceSeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.Manufacturing Engineer III/Sr. - Design for Automation Terex CorporationManufacturing Engineer III/Sr. - Design for AutomationRedmond, WAFull timeThe Senior Manufacturing Engineer - Design for Automation (DFA) is responsible for enabling automationready, scalable, and repeatable manufacturing solutions for Genie products by leading DFA efforts upstream through New Product Development (NPD) and supporting robust execution across Manufacturing Engineering and Manufacturing Technical Services (MTS). Genie Industries, a business segment of the Terex Corporation, is headquartered in Bothell, WA with branch offices worldwide; we manufacture material lifts, aerial work platforms, trailer-mounted booms and light towers, telehandlers, scissor lifts and self-propelled telescopic and articulating booms.Design Engineer II/Sr Terex CorporationDesign Engineer II/SrRedmond, WAFull timeWe design and manufacture advanced specialty vehicles-including fire, ambulance, and recreational vehicles-alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Electric/Hybrid Vehicle System design/architecture (AC/DC motors, motor controllers, chargers, batteries, generators, high voltage power system [>60v]), Advanced understanding in 2 or more areas: Mechanical Design, Hydraulic Systems, or Electrical Systems.Lead Mechanical Engineer McKinstryLead Mechanical EngineerSeattle, WA$95,310–$155,700 / yearFull timeSPG. account executives to scope and deliver projects such as steam heating conversions, rooftop unit replacement, boiler and chiller replacement, and tenant improvements ranging from commercial office to higher education to life sciences and healthcare. Employment iscontingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.12345678910Resume ResourcesFree Resume TemplatesFree Resume Builder
Environmental Engineer Aminov Search PartnersEnvironmental EngineerSeattle, WA$150,000–$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.
Weld Engineer System OneWeld EngineerBellevue, WA$63–$80 / hourp>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. This 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 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.
Thermal Analysis Engineer System OneThermal Analysis EngineerBellevue, WARemote$52–$85 / hourli>Perform thermal modeling of fluid-structure interfaces, including metallic structure thermal problems with structure conductive heat transfer, air convective heat transfer, radiation, and sodium-structure heat transfer modes. Work with our client’s component design leads and analysis engineers to evaluate specific component issues, develop local models or modify existing, and provide insights and feedback to design teams for action.
Plant Integrated Analysis Engineer System OnePlant Integrated Analysis EngineerBellevue, WARemote$37–$74 / hourp>Working as part of a multidisciplinary engineering team, you'll collaborate with safety, instrumentation & controls (I&C), and system design engineers to model, analyze, and validate complex plant systems. System One is seeking a highly motivated Plant Integrated Analysis Engineer to support the development of advanced sodium-cooled nuclear reactor technology.
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 .
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.
NewRAC System Engineer (Process & I&C) System OneRAC System Engineer (Process & I&C)Bellevue, WARemote$54–$90 / hourli>Develop 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).
NewPlant Radiological Integration Engineer System OnePlant Radiological Integration EngineerBellevue, WARemote$69–$115 / hourpre>Job 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. The Plant Radiological Integration Engineer will work as part of a high-performing team of engineers and scientists.ResponsibilitiesCoordinate between design teams working on plant source term and radiological release analysis, risk analysis, plant operations and SSC radiological shielding design teams.
NewProbabilistic Risk Assessment (PRA) Engineer (Entry Level) System OneProbabilistic Risk Assessment (PRA) Engineer (Entry Level)Bellevue, WARemote$37–$74 / hourp>The selected candidate will contribute to the development and maintenance of PRA models, perform risk analyses, support hazard evaluations, and collaborate with engineering teams to ensure safe, reliable, and innovative reactor designs. This role offers an excellent opportunity to work with a multidisciplinary engineering team performing probabilistic risk assessments, severe accident analysis, and safety evaluations that support reactor design, licensing, and regulatory compliance.
Test Engineer III (Metrology) BC ForwardTest Engineer III (Metrology)Redmond, WA$53–$55 / hourFull timeMaster's degree or equivalent experience in Optics, Optical Sciences, Optical Engineering, Physics, Mechanical Engineering, Electrical Engineering, Computer Sciences, or a similar field. The ideal candidate will have strong experience in optical testing, calibration, data analysis, and test automation and a proven ability to develop and execute test procedures, analyze results, and drive hardware quality.
Process Engineer V (Manufacturing) BC ForwardProcess Engineer V (Manufacturing)Redmond, WAFull timeBackground in mass production across multiple processes such as miniature motorized mechanisms, soft goods cutting/laminating/kitting, active optical alignment, casting, molding, machining, electronics packaging, coatings, and additive manufacturing. The ideal candidate will have strong experience in scaling novel manufacturing processes from concept to pilot-production, system integration, and DFx and a proven ability to deliver reliable, high-performance hardware prototypes for emerging VR/AR systems.
Mechanical Design Engineer (Contract) Zeno PowerMechanical Design Engineer (Contract)Seattle, WA$65–$80 / hourFull timePerson" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum). Zeno is seeking a highly motivated Mechanical Design Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.
Mechanical Design Engineer Remote (Contractor) Zeno PowerMechanical Design Engineer Remote (Contractor)Seattle, WARemoteFull timePerson" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum). Zeno is seeking a highly motivated Mechanical Design Engineer to support the mission-oriented efforts of developing and bringing to market Radioisotope Power Systems (RPS) technologies.
Mechanical Design Engineer III - Blue Ring Mechanisms Blue Origin LLCMechanical Design Engineer III - Blue Ring MechanismsSeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.
Mechanical Design Engineer Zeno PowerMechanical Design EngineerSeattle, WA$105,000–$125,000 / yearFull timeZeno is seeking a highly motivated Mechanical Design Engineer to support the engineering efforts of developing Radioisotope Power Systems (RPSs) for applications from the seabed to the surface of the moon. Person" means (i) a U.S citizen or U.S. national; or (ii) any natural person who is a U.S. Lawful Permanent Resident (i.e., holds a Green Card), as defined by 8 U.S.C. 1101(a)(20) or as a "protected individual" defined by 8 U.S.C. 1324b(a)(3) (i.e., admitted as a refugee or is granted asylum).
Senior Mechanical Engineer P2S, Inc.Senior Mechanical EngineerSeattle, WA$148,000–$180,000 / yearFull timeThird-Party Recruiting DisclaimerLegence and its affiliates do not accept unsolicited resumes from agencies; any such submissions without a prior signed agreement authorized by Legence Holdings LLC's CHRO or Director of Talent Acquisition will not incur fees and are considered property of Legence. The company specializes in designing, fabricating, and installing complex HVAC, process piping, and other mechanical, electrical, and plumbing (MEP) systems-enhancing energy efficiency, reliability, and sustainability in new and existing facilities.
Senior Mechanical Engineer - Buildings Colliers Engineering & DesignSenior Mechanical Engineer - BuildingsSeattle, WA$106,600–$140,000 / 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. We provide a full range of mechanical engineering services to municipal, commercial, higher education and public works agencies, partnering with clients to design buildings from the ground-up or to renovate existing buildings to optimize their use.
Senior Mechanical Engineer (10+ Years) Coffman EngineersSenior Mechanical Engineer (10+ Years)Seattle, WAFull timeOur broad range of markets, clients, and services, coupled with industry-leading talent, provides unique and exciting opportunities to grow as professionals, serve clients, and make a difference in our communities. The role involves working across varied project delivery approaches, managing projects through design and execution, and focusing on sustainable engineering solutions.
Mechanical Engineer II Blue Origin LLCMechanical Engineer IISeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.
Senior Mechanical Engineer | Seattle, WA IMEG Corp.Senior Mechanical Engineer | Seattle, WAQueen Anne, WAFull timeIMEG is hiring a Senior Mechanical Designer in Seattle, Washington, to lead design efforts as a project manager or lead designer for moderate to complex projects and support delivery of larger, high-complexity work with limited senior oversight. In this role, you will provide project direction, engineering solutions, and client guidance while overseeing project management, engineering analysis, design, and implementation of mechanical systems for the vertical building industry.
Associate Principal Mechanical Engineer - Data Centers McKinstryAssociate Principal Mechanical Engineer - Data CentersSeattle, WA$130,320–$224,400 / yearFull timeThe role will be a key member of the DCI leadership team representing the Engineering and Design department professionally by engaging deeply with customers to understand their long-term needs and plans and make a compelling case for selecting the McKinstry team. contingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.
Lead Engineer - Mechanical McKinstryLead Engineer - MechanicalSeattle, WAFull timecontingent upon successfully passing a pre-employment drug and alcohol test,complying withthe requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks. Proficient and able to coach/delegate mechanical systems design, including calculations, airside systems, piping systems, equipment selection and multidiscipline coordination.
Associate Mechanical Engineer McKinstryAssociate Mechanical EngineerSeattle, WA$111,420–$187,000 / yearFull timeSPG. account executives to scope and deliver projects such as steam heating conversions, rooftop unit replacement, boiler and chiller replacement, and tenant improvements ranging from commercial office to higher education to life sciences and healthcare. contingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.
Liquids Cryogenic Hardware Design Engineer III - Lunar Permanence Blue Origin LLCLiquids Cryogenic Hardware Design Engineer III - Lunar PermanenceSeattle, WAFull timeand/or transports placardable amounts of hazardous materials by ground in any vehicle on a public road while in commerce, may be subject to additional Federal Motor Carrier Safety Regulations including: Driver Qualification Files, Medical Certification (obtained before onboarding), Road Test, Hours of Service, Drug and Alcohol Testing (CDL drivers only), vehicle inspection requirements, CDL requirements (if applicable) and hazardous materials transportation/shipping training. ITAR RequirementsTo conform to U.S. Government commercial space technology export regulations, including the International Traffic in Arms Regulations (ITAR), 8 U.S.C. § 1324b(a)(3), applicants for employment at Blue Origin must be a U.S. citizen or national, lawfully admitted for permanent residence into the U.S. (i.e. current green card holder), or lawfully admitted as a refugee or granted asylum under 8 U.S.C. § 1157-1158.
Manufacturing Engineer III/Sr. - Design for Automation Terex CorporationManufacturing Engineer III/Sr. - Design for AutomationRedmond, WAFull timeThe Senior Manufacturing Engineer - Design for Automation (DFA) is responsible for enabling automationready, scalable, and repeatable manufacturing solutions for Genie products by leading DFA efforts upstream through New Product Development (NPD) and supporting robust execution across Manufacturing Engineering and Manufacturing Technical Services (MTS). Genie Industries, a business segment of the Terex Corporation, is headquartered in Bothell, WA with branch offices worldwide; we manufacture material lifts, aerial work platforms, trailer-mounted booms and light towers, telehandlers, scissor lifts and self-propelled telescopic and articulating booms.
Design Engineer II/Sr Terex CorporationDesign Engineer II/SrRedmond, WAFull timeWe design and manufacture advanced specialty vehicles-including fire, ambulance, and recreational vehicles-alongside waste collection vehicles, materials processing machinery, mobile elevating work platforms, and equipment for the electric utility industry. Electric/Hybrid Vehicle System design/architecture (AC/DC motors, motor controllers, chargers, batteries, generators, high voltage power system [>60v]), Advanced understanding in 2 or more areas: Mechanical Design, Hydraulic Systems, or Electrical Systems.
Lead Mechanical Engineer McKinstryLead Mechanical EngineerSeattle, WA$95,310–$155,700 / yearFull timeSPG. account executives to scope and deliver projects such as steam heating conversions, rooftop unit replacement, boiler and chiller replacement, and tenant improvements ranging from commercial office to higher education to life sciences and healthcare. Employment iscontingent upon successfully passing a pre-employment drug and alcohol test, complying with the requirements of the Immigration Reform and Control Act and a Confidentiality Agreement, in addition to successful outcomes of background and reference checks.