56 mechanical jobs found in Seattle, WA

At JH Kelly , we're looking for a driven, systems-thinking Senior Mechanical Design Engineer who thrives on leading HVAC design direction from concept to completion-delivering coordinated, error-free designs for mechanical construction projects through calculations, equipment selection, and layouts for air handling, duct distribution, hydronic systems, pipe distribution, and central plants-while managing tight schedules and deadlines with precision. This is your chance to make a real impact. This role is for someone who brings energy, technical mastery, and collaborative leadership to the table every day. About Us Celebrating over a century of excellence, JH Kelly is a fourth-generation, family-owned construction powerhouse known for tackling complex commercial and heavy industrial projects. With offices in Vancouver, Longview, Seattle, Bellingham, WA, and Milwaukie, OR, we're an industry leader fueled by an award-winning team committed to safety, quality, and a dynamic,...

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,...

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...

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,...

Pay rate range- $55/hr. - $59/hr. Fully Onsite Job Description: Top Must-Have: - Expert-level workholding and fixture design capabilities - Proficiency programming 3-axis, 5-axis, and mill-turn machines - Ability to deliver complete manufacturing packages: NC code, setup sheets, and simulation files - Strong understanding of machining processes, tooling, and cutting strategies We are seeking an advanced CNC Programmer to support our high-mix prototype and production shop. This role delivers complete manufacturing packages-including NC code, setup sheets, and simulation files-for 3-axis, 5-axis, and mill-turn machines. Required Qualifications Experience & Skills - 8+ years of advanced CNC programming experience - Expert-level workholding and fixture design capabilities - Proficiency programming 3-axis, 5-axis, and mill-turn machines - Ability to deliver complete manufacturing packages: NC code, setup sheets, and simulation files - Strong understanding of machining...

What Your Day Will Look Like: As a Professional Engineer, you'll apply engineering principles and technical expertise to the design and analysis of water and wastewater infrastructure projects. You'll take ownership of specific design tasks, coordinate with multidisciplinary teams, and ensure that all work meets technical standards, regulatory requirements, and client expectations while continuing to develop your professional engineering judgment and leadership skills. What You'll Do: • Prepare and review design plans, calculations, and technical documentation for pipelines, pump stations, and treatment systems. • Apply engineering standards and design codes to ensure technical accuracy and regulatory compliance. • Conduct hydraulic modeling, flow analysis, and system evaluations to support design and planning decisions. • Coordinate design efforts across internal teams, subconsultants, and regulatory agencies. • Support project managers with technical input, cost...

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...

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 part of a small hardworking team of engineers, you will be responsible for design, analysis, development and testing of primary and secondary structures for New Glenn second stage. You will share in the...

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! 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. 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...

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...

Amphenol Communications Solutions (ACS), 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, ACS is committed to innovation, quality, and customer success. Work Location & Travel Requirements: This role is hybrid for candidates residing in the Bay Area, based out of our Santa Clara office, and remote for candidates located elsewhere in California. All employees will be required to attend scheduled meetings and trainings as needed, and the position also involves frequent travel to visit clients. Summary We are seeking an experienced...

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...

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 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...

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,...

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...

See how design solutions come to life! Join Harris Group's 2026 Summer Internship and learn about the dynamic world of consulting engineering. Harris Group is seeking a Structural Engineer Intern to join our Seattle team. As an intern with Harris Group, students will gain exposure to industrial facility projects across a variety of industries such as Aerospace Facilities, Ports & Terminals, Renewable Energy, Oil & Gas, and Life Sciences. Harris Group interns have a unique educational opportunity to gain exposure to multiple engineering disciplines, such as Mechanical, Electrical, Automation & Controls, Civil, Structural, Process, and Architectural. Interns will have the opportunity to learn from and collaborate with diverse multidisciplined teams of Project Managers, Engineers, Designers, and Drafters on a variety of industrial engineering projects. Bring your innovation and curiosity to this exciting internship opportunity! Responsibilities Provide support to the...