1,675 Results for

Mechanical Engineering Jobs in Lynnwood, WA

Jobs

New!

Bellevue, WA5 days ago

Remote

$69–$115 Per Hour

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.

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.

Bellevue, WA8 days ago

Remote

$69–$115 Per Hour

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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.

Bellevue, WA11 days ago

Remote

p>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.

Seattle, WA8 days ago

Remote

$55–$75 Per Hour

This 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.

New!

Bellevue, WA4 days ago

Remote

$54–$90 Per Hour

p>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.

Bellevue, WA13 days ago

$52–$85 Per Hour

p>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.

New!

Bellevue, WA4 days ago

Remote

$54–$90 Per Hour

p>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.

Bellevue, WA11 days ago

$37–$74 Per Hour

p>System One is seeking a Mechanical Designer to support the design and development of advanced nuclear reactor technology.

Design mechanical and structural components, test fixtures, flow loops, rigs, and sub-scale test articles.

New!

Seattle, WA6 days ago

$126,000–$250,000 Per Year

FPGA 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.

Bellevue, WA8 days ago

$69–$115 Per Hour

This role is responsible for creating structural and mechanical design solutions, developing 3D CAD models, and producing detailed engineering drawings to support conceptual and preliminary design efforts.

System One is seeking a highly motivated Senior Mechanical Designer to support the design and development of advanced Generation IV nuclear reactor systems.

New!

Seattle, WA6 days ago

Remote

$90,000–$120,000 Per Hour

The 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.

New!

Bellevue, WA2 days ago

Remote

$56–$95 Per Hour

The successful candidate will coordinate with engineers working on systems, components, or engineering analysis areas such as safety analysis, thermal analysis, stress analysis, and/or process/control analysis.

Provide inputs on plant level and system level requirements, specifications, and strategy documents related to plant operations and maintenance activities over the lifecycle of a nuclear facility.

Bellevue, WA10 days ago

Remote

$56–$95 Per Hour

The 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.

Seattle, WA12 days ago

$165,000–$184,000 Per Year
Full-time

You 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).

Seattle, WA12 days ago

$85–$95 Per Hour
Full-time

Desired 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.

Redmond, WA24 days ago

$60–$120 Per Hour
Contractor
Full-time

The 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.

Bellevue, WA13 days ago

Remote

$69–$115 Per Hour

This 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.

New!

Bellevue, WA2 days ago

Remote

$37–$74 Per Hour

p>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.

New!

Bellevue, WA4 days ago

$52–$85 Per Hour

li>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.

Bellevue, WA8 days ago

$63–$80 Per Hour

p>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.

Bellevue, WA11 days ago

Remote

$37–$74 Per Hour

p>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.

Bellevue, WA8 days ago

Remote

$67–$110 Per Hour

This 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.

New!

Bellevue, WA4 days ago

Remote

$50–$80 Per Hour

li>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.

New!

Bellevue, WA4 days ago

Remote

$52–$85 Per Hour

System 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.

Bellevue, WA13 days ago

Remote

$52–$85 Per Hour

li>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.

Bellevue, WA11 days ago

$56–$95 Per Hour

System 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 .

Bellevue, WA8 days ago

Remote

$56–$95 Per Hour

degree 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.

Bellevue, WA8 days ago

Remote

$52–$85 Per Hour

li>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.

Redmond, WA17 days ago

$53–$55 Per Hour
Full-time

Master'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.

Redmond, WA27 days ago

Full-time
Employee

Physical Requirements:* Ability to lift and move materials up to 50 lbs.* Ability to stand for extended periods and perform hands-on assemblyEstimated Min Rate: $35.00Estimated Max Rate: $40.00/hr+ Depends on work experience. R&D Lab Technician - Mechanical EngineeringWe are seeking a hands-on R&D Lab Technician to support our Mechanical Engineering team in prototyping, assembly, testing, and lab operations.

Seattle, WA30+ days ago

$148,000–$180,000 Per Year
Full-time
Employee

Third-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.

Seattle, WA30+ days ago

Full-time
Employee

Our 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.

Seattle, WA25 days ago

Full-time
Employee

and/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.

Seattle, WA30+ days ago

$106,600–$140,000 Per Year
Full-time
Employee

We 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.

Seattle, WA30+ days ago

$145,000–$209,000 Per Year
Full-time
Employee

Queen Anne, WA27 days ago

Full-time
Employee

IMEG 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.

Seattle, WA30+ days ago

$111,420–$187,000 Per Year
Full-time
Employee

SPG. 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.

Seattle, WA30+ days ago

$130,320–$224,400 Per Year
Full-time
Employee

The 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.

Seattle, WA25 days ago

Full-time
Employee

Seattle, WA30+ days ago

Full-time
Employee

contingent 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.

Seattle, WA30+ days ago

$95,310–$155,700 Per Year
Full-time
Employee

SPG. 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.

Seattle, WA30+ days ago

$65–$80 Per Hour
Full-time
Employee

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). 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.

Seattle, WA30+ days ago

Remote

Full-time
Employee

Seattle, WA30+ days ago

$105,000–$125,000 Per Year
Full-time
Employee

Zeno 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).

Seattle, WA30+ days ago

$39.20–$62.31 Per Hour
Full-time
Employee

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. Every design choice is made toward one goal - delivering high-performance buildings that ensure occupant comfort and safety, keep energy/operating costs low, maximize client profitability, and protect the environment.

Seattle, WA25 days ago

$31.03–$47.26 Per Hour
Full-time
Employee

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. Every design choice is made toward one goal - delivering high-performance buildings that ensure occupant comfort and safety, keep energy/operating costs low, maximize client profitability, and protect the environment.

Seattle, WA30+ days ago

$24–$26 Per Hour
Intern
Full-time

Seattle, WA30+ days ago

$78,500–$104,400 Per Year
Full-time
Employee

Everett, WA30+ days ago

$117,922–$176,883 Per Year
Full-time
Employee

TerraPower is seeking to hire highly motivated and forward-thinking professionals who are interested in focusing on advanced nuclear reactor research and development and influencing change within the nuclear power landscape and bringing forward the critical production of medical isotopes. As a result, the companys activities in the fields of nuclear energy and related sciences are yielding significant innovations in the safety and economics of nuclear power, hybrid energy and medical applications all for significant human health benefits.

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Mechanical Engineering Jobs in Lynnwood, WA

Senior Mechanical Engineer ASME Lead System One

Senior Mechanical Engineer (Vessels) System One

Senior Mechanical Engineer System One

Senior Mechanical Engineer - Remote System One

CRD System Design Engineer (Mechanical) System One

Mechanical Design Engineer System One

RAC System Design Engineer (Mechanical) System One

Mechanical Designer System One

Embedded Solutions Engineer – Space Systems Jobot

Senior Mechanical Designer System One

Applications Engineer / BAS Programmer Jobot

Nuclear Engineering Program Developer System One

Senior Engineer System One

EWIS Engineer (w/Capital Harness Experience) 804 Technology

Flight Test Engineer 804 Technology

Process Engineer V # 26-12762 US Tech Solutions

System Design Engineer System One

Probabilistic Risk Assessment (PRA) Engineer (Entry Level) System One

Fuel Handling Design Engineer System One

Weld Engineer System One

Plant Integrated Analysis Engineer System One

System Transients Analysis Engineer System One

RAC Component Design Engineer (Ventilation) System One

Component Engineer, Nuclear System One

Thermal Analysis Engineer System One

Senior Welding Engineer System One

Senior Component Design Engineer (RPA) – Contract System One

Component Design Engineer (RPA) – Contract System One

Test Engineer III (Metrology) BC Forward

R&D Lab Technician - Mechanical Engineering Yoh Services LLC

Senior Mechanical Engineer P2S, Inc.

Senior Mechanical Engineer (10+ Years) Coffman Engineers

Mechanical Engineer II Blue Origin LLC

Senior Mechanical Engineer - Buildings Colliers Engineering & Design

Mechanical Department Manager - Buildings Colliers Engineering & Design

Senior Mechanical Engineer | Seattle, WA IMEG Corp.

Associate Mechanical Engineer McKinstry

Associate Principal Mechanical Engineer - Data Centers McKinstry

Mechanical Design Engineer III - Blue Ring Mechanisms Blue Origin LLC

Lead Engineer - Mechanical McKinstry

Lead Mechanical Engineer McKinstry

Mechanical Design Engineer (Contract) Zeno Power

Mechanical Design Engineer Remote (Contractor) Zeno Power

Mechanical Design Engineer Zeno Power

Project Engineer III- Mechanical McKinstry

Mechanical Project Engineer I McKinstry

Mechanical Design Intern P2S, Inc.

Senior Mechanical Designer - Buildings Colliers Engineering & Design

Materials Testing Engineer - Welding & Mechanical Testing TerraPower

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