37 mechanical process engineer jobs found in Seattle

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...

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. 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 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...

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...

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 Fire Protection Engineer looking to grow your career? P2S is an award-winning engineering firm that has been named "Best Place to Work" for the past 15 years. Employment Type:...

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...

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...

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,...

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...

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,...

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...

About Exponent Exponent is the only premium engineering and scientific consulting firm with the depth and breadth of expertise to solve our clients' most profoundly unique, unprecedented, and urgent challenges. We are committed to engaging multidisciplinary teams of science, engineering, and regulatory experts to empower our clients with solutions that create a safer, healthier, more sustainable world. For over five decades, we've connected the lessons of past failures with tomorrow's solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability. Join our team of experts with degrees from top programs at over 500 universities and extensive experience spanning a variety of industries. At Exponent, you'll contribute to the diverse pool of ideas, talents, backgrounds, and experiences that drives our collaborative teamwork and breakthrough insights. Plus, we...

Company Description KPFF, a multi-office, multi-discipline engineering firm, is committed to Excellence, Trust, Relationships, Stability, and Passion. For over 60 years KPFF has been providing creative solutions and excellent client service for a diverse range of projects and industries. Our 1,400 professionals in over 30 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's Washington Division Transportation Group is looking for an experienced Transportation Civil Engineering Prime Project Manager to lead impactful projects and drive our team forward. This senior role includes the leadership and management of transportation projects across...

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...

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,...

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...