45 mechanical engineering jobs found in Seattle

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! The role is part of the In-Space Systems business unit, which is focused on addressing two of the most compelling challenges in spaceflight today: space infrastructure and increasing mobility on-orbit. This role is within the In-Space Systems Configuration Team, supporting Blue Ring, a high-powered hybrid solar electric and chemical-propelled spacecraft designed for unparalleled mission maneuverability, versatility, and capacity at significantly reduced costs. It provides comprehensive capabilities for maneuvering, hosting, and deploying payloads and...

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. In this role you will be responsible for leading the design, development, manufacturing and testing of fluid systems for rockets! You will engage in all levels of the design cycle including conceptual design,...

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 a team of innovators committed to revolutionizing access to space through accelerated development cycles. As a Product Development Engineer, you will drive rapid prototyping, sub-scale testing, and...

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 the Lunar Permanence business unit, which develops Blue Origin's Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface. As part of a hardworking team of engineers, you will help lead solutions for various spaceflight systems engineering challenges working in Mission Engineering and Phase Systems Engineer. The planning for lunar...

Senior Spacecraft Engineer 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 We are looking for a Spacecraft Engineer to help design, build, and integrate the core systems that power our satellite platform. You will work across...

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...

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,...

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,...

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...

What Your Day Will Look Like: As an Engineering Designer, you'll assist in the preparation of design plans and technical drawings for water and wastewater infrastructure projects. Working under close supervision, you'll apply foundational engineering knowledge and CAD drafting skills to support the development of pipelines, pumping systems, and treatment facilities while gaining exposure to design standards and project coordination. What You'll Do: Prepare and edit design drawings, layouts, and plan sheets using CAD software under the direction of senior staff. Assist with basic design calculations, quantity estimates, and project documentation for water and wastewater systems. Support data collection and field verification to confirm existing infrastructure conditions. Collaborate with engineers and designers to ensure design accuracy, completeness, and compliance with applicable standards. What You'll Need: Bachelor of Science in Civil, Environmental, Chemical,...

What Your Day Will Look Like: As a Project Manager, you'll lead the planning, design, and delivery of water and wastewater infrastructure projects from initiation through completion. You'll manage multidisciplinary teams, maintain strong client relationships, and ensure that all project objectives, technical, financial, and operational, are met with precision and professionalism. This role combines engineering expertise, leadership, and strategic coordination to drive successful project outcomes. What You'll Do: Manage all phases of water and wastewater projects, including scope, schedule, budget, staffing, and client communication. Lead multidisciplinary teams in preparing design plans, studies, and reports that meet quality and regulatory standards. Serve as the primary client contact, ensuring clear communication, satisfaction, and long-term relationship development. Oversee design reviews, quality control, and risk management to maintain consistency and technical...

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 the Lunar Permanence business unit, which develops Blue Origin's Blue Moon landers and related products. To further Blue Origin's mission of millions of people living and working in space for the benefit of Earth, we are building sustainable infrastructure for our transport of crew and cargo from Earth to the lunar surface. This individual will use their technical expertise, leadership skills, and commitment to quality to join our team and positively impact safe human spaceflight. Passion for our mission and vision is required. You...

Landing Gear Design Engineer - Seattle, WA area - 0201 Our client in the Seattle, WA area who is a global leader in manufacturing and overhauling aerospace structures, systems, and components and is looking for a Landing Gear Design Engineer responsible for providing support for their Company. Position purpose/core responsibilities: Main Duties: Landing gear structural design and spatial integration. Detail design of landing gear structural elements. Kinematic layout of landing gear mechanisms. Design of shock absorbers. Integration of steering, braking and actuation systems. Interfacing with customers and suppliers. Requirements: Landing gear design experience. 3-D modeling (Solid works and/or CATIA experience). Proficient with MS Office tools (Excel, WORD, MS Power Point, MS Project). Ability to support customer in spatial integration. Assertive team player who is self-motivated and enjoys working in a team environment and works...

Mechanical Engineer - Seattle area - Sep 2025 - 0805 Our client located in the Seattle area is seeking an experienced Mechanical Engineer to support the design and development of hardware for nuclear applications. The successful candidate will drive the creation of reliable, high-performance components and assemblies critical to the development of complex energy systems operating under demanding technical and safety requirements. You Will: Own and improve subsystem designs including electromagnetic, structural, fluid, thermal, and control systems Learn from historical engineering approaches and design novel hardware for testing and integration into Helion's fusion devices Design hardware in CAD software such as NX or SolidWorks Perform analysis using tools like ANSYS and lead design reviews to incorporate feedback and iterate toward functioning systems Expand your engineering skills and domain knowledge by learning from experts Work hands-on with...

Requisition ID: 96964 Job Category: Infrastructure; Consulting; Engineering; Project Engineering; Project Management Location: Seattle, WA, United States Join a company that is passionately committed to the pursuit of a better world through positive change. With more than 65 years of business and technical expertise in mining, energy, and infrastructure, our 10,000 colleagues in 150 countries tirelessly work toward bettering the industries in which we operate. With practical solutions that are safe, innovative and sustainable, we think globally while acting locally. Are you looking for an opportunity to join a diverse group of professionals who are committed to remaining exceptional? We look forward to hearing from you. Our expertise in infrastructure includes aviation, highways and bridges, planning and advisory services, ports, rail and transit, tunnels, and water. Want to be part of the creation and construction of our cities? Then the infrastructure team is for you!...

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...

Salary: $22.01 - $27.90 Hourly Location : Seattle, WA Job Type: Intern Job Number: 2026-26648 Department: DNRP-Natural Resources & Parks Division: Wastewater Treatment Opening Date: 03/23/2026 Closing Date: 4/13/2026 11:59 PM Pacific FLSA: Non-Exempt Bargaining Unit: Z3 : KC Personnel Guidelines Full- or Part-Time: Full Time Hours/Week: 40 hours/week Summary The King County Department of Natural Resources and Parks (DNRP) Wastewater Treatment Division (WTD) seeks a 2026 Summer Engineering intern to support our Plant Engineering team. This role will focus on how to use AutoCAD as well as PDF formats and how they relate to each other. Our internship is for active students only. To be eligible for this internship, you must be enrolled in a college, or university program for the duration of your internship. For example, if you are graduating from a college or university in June 2026 and are not enrolled for a fall 2026 academic program, you are not...