32 mechanical process engineer jobs found in Seattle

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 Blue Origin Operations, which is comprised of Integrated Supply Chain, Test Operations, Safety, Quality, and Mission Assurance. This includes Manufacturing and Supply Chain support across all Blue Origin facilities. As part of a dynamic and dedicated team of Mechanical and Fluid Engineers, you will play a crucial role in developing systems to test rocket engines and space flight vehicles. You will contribute significantly to all aspects of test stand design. Your responsibilities will include designing fluid and structural systems...

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 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...

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...

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...

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...

Fives Group is looking for an experienced Controls Engineer. Job Responsibilities: Design of Electrical hardware circuits (AutoCAD Electrical) Design of PLC Software programs and development HMI screens to customer specifications (Allen Bradley, Siemens, Mitsubishi) Conduct the peripheral device programming and machine PLC programming Supervise and coordinate and the machine debug, power up, and machine validation with mechanical build and electrical teams Set up and configure communication networks but not limited to device net, Ethernet and remote I/O Commission and validation systems at the customer's location Must be able to travel throughout North America to customer's locations. Qualifications: 2+ years with Controls and Electrical design Strong PLC programming experience Technical degree in an electrical related field preferred (Bachelor's preferred, but will consider other degrees and experience) Experience with material handling,...

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, passionate, and accomplished team of experts, you will be responsible for the design, analysis, development, testing, and qualification of structural subsystems for New Glenn's...

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 hardworking, passionate, and accomplished team of experts, you will be responsible for the design, analysis, development, testing, and qualification of structural subsystems for New Glenn's second...

Design Engineer - Aerospace Mechanisms - Seattle WA area - 0805 Our client in the Seattle, WA area is a leading designer and manufacturer of specialty aircraft modifications and products, our client has several new programs and looking for great candidates to discuss direct opportunities for Design Engineers with Mechanism Experience using Solidworks or similar CAD system Keltia is a technical support services company providing Engineering Design, CAD Training along with Specialized Technical Recruiting services to mainly the aerospace and other industries in WA State, around the US, Canada and Europe. We have been in business 20 years in the US and 8 years in Europe. MECHANICAL DESIGN ENGINEER - MECHANISMS Solidworks or any 3D modeling software design personnel to develop aerospace mechanisms for latches, doors, etc that include the generation of models, specifications and drawings. You will be responsible for designing and identifying component...

Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. For over 65 years KPFF has been providing creative solutions and excellent client service for a diverse range of projects and industries. Our 1,500 professionals in 35 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 meaningful projects. To learn more about us and the projects we work on, visit our website at www.kpff.com. Job Description KPFF Seattle's Civil Team designs sites that enable land to be developed for commercial, residential, institutional, and recreational purposes. We also design critical public and private infrastructure systems that support the built and natural environments, including district energy,...

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...

Description Position Description As a Civil Engineer you will integrate the process of document production with a more detailed understanding of design and systems components. This position will be exposed to Civil land development and water/wastewater design along with calculations, specifications, and an expanded understating of codes with a continuum advanced practice of three-dimensional AutoCAD and Civil 3D and production of site design. A Civil Engineer of this level will have the ability to take small to medium sized projects from conception to final design with little input from a senior engineer. Position Salary Range* The expected salary range for this position is $ 85,000 to $ 105,000 annually. Required Qualifications** 4 to 10 years of project experience working on projects within the US ABET (Accreditation Board for Engineering and Technology) accredited degree in Civil Engineering A Professional Engineering License in the State of job posting or...

Salary: $49.29 - $62.48 Hourly Location : Seattle, WA Job Type: Career Service (Exec) Job Number: 2026JA26756 Department: DLS - Dept. of Local Services Division: Road Services Opening Date: 03/20/2026 Closing Date: 4/5/2026 11:59 PM Pacific FLSA: Non-Exempt Bargaining Unit: C1 : PROTEC17-DES, DLS, DNRP Full- or Part-Time: Full Time Hours/Week: 40 hours/week Summary King County Road Services Division is seeking two Drainage Design Engineers (Engineer II) to join our dynamic and supportive Drainage Design Unit. One position will focus on fish passage project design , and the other will focus on roadway drainage system design . These positions provide an opportunity to contribute to projects that improve transportation infrastructure while protecting and restoring the natural environment in unincorporated King County. The successful candidates will work collaboratively with a multidisciplinary team of engineers, environmental scientists, geotechnical...

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,...

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...

About Delta E Consulting: Established in 2023 in Seattle, WA, Delta E is an MEP engineering and design consulting firm built on a clear vision to form collaborative partnerships with building owners and design and construction teams that go beyond traditional consulting boundaries. Our work is grounded in technical expertise, sustainability, and thoughtful innovation, with an unwavering commitment to client success. You will be joining a team of seasoned industry professionals and contributing to a business with an established foundation and a strong trajectory. This role is well suited for design professionals who enjoy project and task ownership and enjoy problem-solving beyond a narrow job description. With seven separate services in-house (MEP engineering, Lighting Design, Sustainability and Energy Consulting, and Commissioning), integrative design practices is required at Delta E. You can expect to bring a proactive, curious mindset to your work, as well as have...

About Delta E Consulting: Established in 2023 in Seattle, WA, Delta E is an MEP engineering and design consulting firm built on a clear vision to form collaborative partnerships with building owners and design and construction teams that go beyond traditional consulting boundaries. Our work is grounded in technical expertise, sustainability, and thoughtful innovation, with an unwavering commitment to client success. You will be joining a team of seasoned industry professionals and contributing to a business with an established foundation and a strong trajectory. This role is well suited for design professionals who enjoy project and task ownership and enjoy problem-solving beyond a narrow job description. With seven separate services in-house (MEP engineering, Lighting Design, Sustainability and Energy Consulting, and Commissioning), integrative design practices is required at Delta E. You can expect to bring a proactive, curious mindset to your work, as well as have...