54 mechanical engineering jobs found in Seattle

Fives Group is seeking a Mechanical Engineering Manager Mechanical Engineering Manager (Technical) Legal Entity: Fives Lund Country: United States State: Washington City: Seattle Job Family: Engineering and Science Job Type: Permanent position Work Location: Hybrid Fives Lund LLC is actively seeking a full-time Mechanical Engineering Manager (Technical) to join our team in Seattle, Washington. At Fives, we are all driven by a common calling, to prove that industry can do it! We work together daily to make industry an answer to all of the major technological, environmental, social and economic challenges of our time. How do we do that? For over 200 years, we've invented and designed the solutions and technologies that substantially and sustainably improve everyone's daily life. Fives Lund LLC creates unique design-to-build solutions for our customers. Providing mechanical and electrical engineering, robotics and controls integration to customers in composite...

Senior Mechanical Engineer | Job Description About Aetherflux Aetherflux is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from transmitting energy via infrared lasers (space-to-earth and space-to-space), to powering on-orbit compute, to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Aetherflux is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. The Role As a Senior Mechanical Engineer, you will play a key role in designing and building the physical systems that enable our spacecraft to...

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role is part of TeraWave, a satellite communications network designed to deliver symmetrical data speeds of up to 6 Tbps anywhere on Earth. This network will service tens of thousands of enterprise, data center, and government users who require reliable connectivity for critical operations. Special Mentions: This position is part of Blue Origin's TeraWave business unit, a newly announced satellite communications network designed to deliver symmetrical data speeds of up to 6 Tbps anywhere on Earth. TeraWave consists of 5,408 optically...

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role supports the development and operations of New Glenn, a single-configuration, heavy-lift orbital launch vehicle capable of routinely carrying people and payloads to low-Earth orbit, geostationary transfer orbit, cislunar, and beyond. Its first stage is fully reusable, and the vehicle was designed from the beginning to be human-capable. We are looking for a technical expert and proven leader with experience in flight vehicle fluid systems to lead the design, development, and testing of reaction control systems and heat exchangers for a launch...

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! We are collaborators, doers, and problem-solvers who are relentlessly committed to a culture of safety. This position will directly impact the history of space exploration and will require your commitment and detailed attention towards safe and repeatable space flight. Join us in lowering the cost of access to space and enabling Blue Origin's vision of millions of people living and working in space to benefit Earth. Multiple positions available across our Business Units. You will be matched with an appropriate engineering team based on your skillset...

Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. With over 60 years of experience, we provide creative solutions for diverse projects, scales, and industries. Our 1,300 professionals in 27 offices nationwide thrive in a decentralized structure, offering abundant flexibility and numerous opportunities for professional growth. At KPFF, join a legacy of excellence where every team member has the opportunity to contribute to innovative solutions and impactful projects. Job Description About the Role: The Special Projects Division of KPFF is growing and looking for an ambitious and initiative-driven Civil Transportation Engineer to strengthen our dynamic team in Seattle or Tacoma, WA . You will be at the heart of downtown, working on a diverse range of heavy civil and industrial infrastructure projects. As a key member, you'll not only refine your existing expertise in...

Role: Mechanical Engineer - Advanced RF Power Systems Location: Seattle, WA Shift: Day Salary: $70,000 - $115,000/yr DOE/GEO** Eagle Harbor Technologies (EHT) is pioneering novel RF generator power systems, delivering enhanced capabilities to the semiconductor industry. We're looking for ambitious, intelligent, and visionary individuals who thrive in competitive environments, and want to help us achieve our bold, transformative goals. We are seeking a highly motivated and technically skilled Mechanical Engineer to play a key role in the design and development of advanced RF power generators for semiconductor manufacturing applications. In this role, you will contribute to the creation of high-performance electrical and mechanical components and assemblies, leveraging your experience with Siemens NX and SolidWorks to produce robust, manufacturable designs. You will collaborate closely with cross-functional teams to ensure seamless integration of mechanical systems into complex...

Interlune is a space resources company based in Seattle, WA. We will provide resources from space to power a clean and sustainable economy on Earth and in space. We are looking for a Doer who wants to join our early-stage team and accelerate humanity's progress toward an off-world future. Our engineering team combines expert knowledge of geological sciences, mechanical engineering, automation, systems engineering, modeling and simulation, and advanced fabrication to build the infrastructure that will create an in-space economy. To join our small team, you must be agile, willing to learn, and able to take on multiple roles as needed. This role will report to the Vice President of Engineering and bring significant expertise in space robotics, particularly for planetary surface operations. Applicants from all industries are welcome, with particular emphasis in complex, multi-disciplinary system development. Responsibilities: Lead the design of high-reliability mechanisms,...

Salary : $110,956.32 - $129,372.48 Annually Location : Seattle, WA Job Type: Classified Civil Service, Regular, Full-Time Job Number: 2026-00313 Department: Finance and Administrative Services Opening Date: 03/03/2026 Closing Date: 3/31/2026 4:00 PM Pacific Language Premium: Yes Position Description The City of Seattle is seeking a motivated Senior Automotive Engineer to lead complex projects and support the planning, design, and procurement of the City's fleet. The Fleet Management Division oversees a fleet of over 4,000 pieces of equipment used by multiple City departments to deliver critical public services. Reporting to the Design and Procurement Manager, this role is responsible for advanced planning, vehicle and equipment design, procurement, and in-depth research and analysis to inform key fleet decisions. This position offers a unique opportunity to advance the City's commitment to environmentally responsible and cost-effective fleet solutions. ABOUT...

Senior Materials Engineer - Data Center Liquid Cooling & Materials On-site in Seattle, WA, Austin, TX, or Herndon, VA 1-year contract (potential for extension) Team Overview The Data Center Engineering team for our Seattle-based technology client is looking for a Materials Engineer to join a team that is focused on advancing materials, processes, and standards that enable reliable, cost-effective production of high-performance liquid-cooled data center systems.You'llpartner closely with mechanical, chemical, electrical, and field engineering teams, as well as external suppliers and labs, to improve cooling performance, reliability, and total cost of ownership across global deployments. Key Responsibilities Coolant Ownership & Standards • Serve as the technical owner for liquid coolants-defining andmaintainingspecifications for base fluids, additives, andwettedmaterials, including contaminant limits and compatibility criteria. • Build and drive a...

Who We Are Tasso is a fast-growing Seattle-based startup focused on delivering at-home diagnostic testing to those who need it most. We are growing our footprint with leading health systems, clinical research organizations, academic medical centers, and more who are looking to deliver clinical-grade, convenient diagnostic tests to their patients. Tasso was originally founded to find a better way to collect blood instead of a painful fingerstick or time-consuming venous draw. Since then, our products have been used in pharmaceutical clinical trials, by Olympians as part of a new virtual anti-doping program, and broadly by hospital systems across the US. We are looking for a Senior Development Engineer who leads with interest, drives innovation from concept to commercial product, and raises the bar for the engineering team around them. This is a design-first role for someone who thrives in early-stage ambiguity and takes personal ownership for turning bold ideas into manufacturable...

ABOUT AMPHENOL-CIT Amphenol Cable and Interconnect Technology (ACIT), a division of Amphenol Corporation, is a global leader in designing and manufacturing high-performance interconnect solutions that power the world's most advanced technology. Our broad product portfolio includes high-speed connectors, sockets, power connectors, and cable assemblies that support next-generation data centers, enterprise servers, storage systems, networking equipment, and high-speed computing environments. With a strong global presence in R&D, manufacturing, and sales, ACIT is committed to innovation, quality, and customer success. WORK LOCATION: This role is hybrid for candidates residing in the Seattle area and is based out of our Kent, WA office. SUMMARY We are seeking an experienced Connector Development Engineer to join our team and contribute to the design and development of next-generation interconnect products. This role will focus on creating advanced connector and cable...

Company Overview Zeno Power is the leading developer of nuclear batteries - compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno's batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or...

Company Overview Zeno Power is the leading developer of nuclear batteries - compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno's batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status, or...

Job Description As a UW employee, you have a unique opportunity to change lives on our campuses, in our state and around the world. UW employees offer their boundless energy, creative problem-solving skills, and dedication to build stronger minds and a healthier world. UW faculty and staff also enjoy outstanding benefits, professional growth opportunities and unique resources in an environment noted for diversity, intellectual excitement, artistic pursuits, and natural beauty. The Department of Oceanography has an outstanding opportunity for a Float Lab Engineer (Temporary) to join their team. This position supports a high-impact research project focused on the design, testing, and deployment of autonomous ocean-monitoring floats used to study the physics and biogeochemistry of the world's oceans. These efforts contribute to three major international programs - Argo (argo.ucsd.edu), GO-BGC (go-bgc.org), and SOCCOM (soccom.princeton.edu) - that collectively represent a...

Company Overview: Zeno Power is the leading developer of nuclear batteries - compact power systems that provide reliable, clean energy in frontier environments. By harnessing the heat from radioisotopes, Zeno's batteries power critical missions on Earth, in space, and at sea. To bring this technology to market by 2027, Zeno is seeking out purpose-driven and innovative professionals who are comfortable working in a startup environment. Team members will have a direct impact in enabling commercial and national security missions from the depths of our oceans, to the surface of the moon, and in austere environments here on Earth. Zeno is proud to be an Equal Opportunity Employer and is committed to attracting, retaining, and developing a highly qualified, diverse, and dedicated work force. We do not discriminate in hiring on the basis of sex, gender identity, sexual orientation, race, color, religious creed, national origin, physical or mental disability, protected Veteran status,...

Job Type Full-time Description PSR has been a part of Seattle since 1945. We are a leading provider of services that optimize energy efficiency, comfort, productivity, health, and safety. PSR Mechanical is part of Service Logic which is the nation's largest independent HVAC service provided with over $2.0 billion in annual sales and 7,000 employees. Our investment in outstanding people, technology and education has created a highly valued service platform for our customers. PSR Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Project Engineer to join our Seattle office. We are seeking a candidate who meets the qualifications listed below. The Project Engineer role is to assist to help create effective HVAC and energy solutions for our clients. Project Engineers provide support to our Sales, Projects and Operations departments. They are involved in the day-to-day operations of a project and must be organized and...

Senior Avionics Engineer (Seattle, WA) About Aetherflux Aetherflux is building the infrastructure to power and connect the orbital economy. Our satellites operate in Low Earth Orbit to collect sunlight and enable a new class of capabilities-from transmitting energy via infrared lasers (space-to-earth and space-to-space), to powering on-orbit compute, to delivering secure, high-bandwidth optical data. By rethinking how energy and data are generated and distributed in space, we're unlocking entirely new ways to operate both in orbit and on Earth. Founded in 2024 by Baiju Bhatt (co-founder of Robinhood), Aetherflux is backed by leading investors and built by a team from top aerospace and defense organizations. We're moving quickly to solve complex technical challenges and build a new category of space infrastructure. The Role The Avionics Engineer is responsible for the design, development, and integration of electrical systems supporting advanced optical and laser...

P2S stands as a provider of professional engineering services to a broad range of markets, including higher education, healthcare, ports/harbors, industrial, entertainment, commercial, laboratories, municipal, and federal sectors. Our specialties include electrical, mechanical, plumbing, fire protection, and technology integration. Our offered services range from engineering and commissioning to construction management. With over 300 dedicated employees, P2S is an internationally recognized leader in many of the key markets we serve. We provide a blend of innovation and technical excellence in delivering green solutions that enhance and sustain the built, natural, and social environments. Currently, we have offices in Long Beach, Seattle, Irvine, San Diego, Los Angeles, and San Jose. Are you a Senior Electrical Engineer with experience in Federal/Ports looking to grow your career? P2S is an award-winning engineering firm named "Best Place to Work" for the past 15 years....

Application close date: Applications will be accepted on an ongoing basis until the requisition is closed. At Blue Origin, we envision millions of people living and working in space for the benefit of Earth. We're working to develop reusable, safe, and low-cost space vehicles and systems within a culture of safety, collaboration, and inclusion. Join our team of problem solvers as we add new chapters to the history of spaceflight! This role supports the development and operations of New Glenn, a single-configuration, heavy-lift orbital launch vehicle capable of routinely carrying people and payloads to low-Earth orbit, geostationary transfer orbit, cislunar, and beyond. Its first stage is fully reusable, and the vehicle was designed from the beginning to be human-capable. As a technical design engineer working closely with a team of engineers, you will be supporting the design, analysis, development and testing of primary and secondary structures for the New Glenn second stage....