33 senior mechanical design engineer jobs found in Seattle

Simplifying the Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process. Why join Simplexity Product Development? Simplexity works across a breadth of projects - from robotics and IoT to medical devices, consumer wearables, automation and more. You'll roll up your sleeves and help solve difficult problems for demanding clients who expect excellence. Our teams are tight, collaborative, and made up of folks who genuinely want to build something cool and delight our customers. Yet that doesn't mean grinding for 60-hours per week, week-over-week. We believe that quality, creative work can usually be done in 40-45 hours per week and that each employee should own their work-life balance. What we offer is...

Simplifying the Complex. Simplexity is a product development engineering firm, hired by leading technology companies to design their next generation products. In an industry of overly-complex design and production, we strive for simplicity, reducing product cost and improving reliability for our clients through our Product Development Process. POSITION DESCRIPTION Simplexity is seeking a hands-on senior mechanical engineer to work embedded with our team at a Seattle-area client on a cutting-edge robotics product. You will own mechanical subsystems from requirements through working hardware, validation, and release-quality documentation. This is a technical individual contributor role, not a people-management position. You will lead subsystem decisions, coordinate interfaces, communicate risks, and personally perform design, analysis, drawing, prototype, and test work. The role is best suited to an engineer who can execute effectively when requirements and priorities are still...

Hazen & Sawyer is seeking an electrical engineer for our Seattle, WA. Qualified candidates should have experience in industrial power design, including medium and low voltage electrical power distribution, generator design, motor control, VFDs, lighting systems, equipment layout, and related activities. Candidates should have a working knowledge of the NEC and related Codes. Candidate must have strong communication skills, including interaction with senior engineers, clients, and contractors. Why Hazen and Sawyer: Founded in 1951 by the son of Allen Hazen (developer of the Hazen-Williams equation), we are an employee-owned company with a singular focus on "all things water." Our work includes planning, design, and oversight of construction of environmental infrastructure - for water, wastewater, and stormwater management. We foster a work environment low on bureaucracy and high in creativity. We recruit talented professionals, provide them with challenging,...

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. We are a team of 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...

Company Description About Us KPFF Special Projects Division Since 1996, KPFF's Special Projects Division has been at the forefront of addressing specialized challenges in project development. With over 150 team members in three offices strategically located in Long Beach, CA, Tacoma, WA, and Seattle, WA, our approach combines dedicated project managers, a skilled technical team, and a commitment to innovation. We offer a comprehensive range of services including civil, structural, and mechanical engineering, machinery design, construction and project management, and planning services. We specialize in the management and design of heavy civil, structural, industrial, and waterfront infrastructure projects across the United States. Our team thrives on solving unique, multi-disciplinary challenges, collaborating closely with clients such as the Ports of Long Beach, Los Angeles, Tacoma, and Seattle, as well as various municipalities and government agencies. Join us at KPFF...

Company Description Job Description About the Role: The Special Projects Group of KPFF is growing and looking for an ambitious and initiative-driven Junior or Senior level Mechanical Engineering student for a summer internship in the Seattle Office of our Special Projects Group. The Mechanical Engineering Summer Internship being offered is approximately 40 hours a week for up to 90 days depending on candidate's availability. Job responsibilities will vary depending on the project and individual intern. Our work leans toward civil, design-build transportation, structural, industrial and waterfront infrastructure throughout the US with a focus on the West Coast and Pacific Northwest regions. We frequently function as prime consultants and are tasked with solving unusual, multi-discipline challenges that require an innovative and team-oriented approach. What You'll Be Doing: Assist a mechanical engineer with various tasks associated with the project design,...

Company Overview Alloyed is a young venture-funded company built with world-class metallurgists, mechanical engineers, technicians, and software developers. Operating from our HQ in the UK but also globally, we are building the future of advanced metal components. Our innovative approach integrates proprietary software that combines advanced machine learning and physical modelling with extensive experimental facilities, enabling us to 3D print metal components more efficiently and effectively than anyone else. Our facilities in Yarnton and Abingdon, near Oxford, are dedicated to establishing the world's fastest, smartest, and best-equipped environment for the rapid development of additively manufactured parts and the creation of novel metal alloys for enhanced performance. We serve a variety of sectors including electronics, aerospace, and industrial by leveraging our cutting-edge technology to build businesses across diverse markets, each with unique requirements, timelines,...

Cowboy Space Corp. 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 powering on-orbit compute, to transmitting energy via infrared lasers (space-to-earth and space-to-space), 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), Cowboy Space Corp. 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. About the Role : We are seeking a Senior TCA Mechanical Design Engineer with deep expertise in manufacturing processes, tooling design, and specialized fabrication methodologies to support rocket engine...

HOK is a collective of future-forward thinkers and designers who are driven to face the critical challenges of our time. We are dedicated to improving people's lives, serving our clients and healing the planet. Together, we cultivate a culture of design excellence at the confluence of art and science, blending the power of creative expression with a clear sense of purpose. Project Engineers will be responsible for the successful delivery of small to medium size building projects, or working as part of a large team responsible for an area on major projects, including developing concepts and producing the design. RESPONSIBILITIES: Strategic Looks for ways to improve engineering design and design processes in a particular discipline. Looks for new trends in Engineering design in a particular discipline and how to apply them to our projects. Project Management and Technical Improvement 10% time devoted to project management tasks and technical improvement initiatives....

Requisition ID: 96959 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!...

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 New Shepard program. New Shepard is a reusable suborbital rocket system designed to take astronauts and research payloads past the Kármán line - the internationally recognized boundary of space. Through operational reusability, New Shepard supports our mission of lowering the cost of access to space. Blue Origin's test stands take on some of the most extreme structural loads in the industry - thermal shock, blast-level impulsive loads, and dynamic forces from rocket engine firings. As a Structural Engineer on the Ground System...

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. 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,...

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 36 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 Structural Team consists of structural engineers working in a vast array of building design fields such as high-rise towers, office buildings, hospitals, medical centers, parking garages, and higher education buildings. We pride ourselves on our collaborative approach...

Shield AI is a venture-backed defense-tech company with the mission of protecting service members and civilians with intelligent systems. Its products include Hivemind autonomy software, V-BAT and X-BAT aircraft, and Aechelon simulation and synthetic reality technologies. With offices and facilities across the U.S., Europe, the Middle East, and Asia-Pacific, Shield AI's technology actively supports operations worldwide. For more information, visit www.shield.ai. Follow Shield AI on LinkedIn, X, Instagram, and YouTube. What you'll do: Design and develop structural components and assemblies for Shield AI's next-generation UAV platform, supporting both primary and secondary aircraft structures. Execute all stages of the design lifecycle including conceptual development, initial CAD modeling, detailed design, and drawing release. Perform hand calculations for stress or strain with limited basic FEA analysis, with guidance from senior engineers as needed. Collaborate closely...

Job Description Join WSP's Energy Infrastructure Solutions - Advanced Complementary Solutions team, where we're accelerating the shift to a lower-carbon future. Our work sits at the forefront of grid-connected electrification, behind-the-meter energy systems, and power solutions across a wide range of industries. WSP USA is seeking a Lead Decarbonization Engineer to join our Power & Energy Advanced Complimentary Services (ACS) team in our Seattle, WA or New York, NY office. You will help WSP fully leverage the capabilities of all Power & Energy teams to meet critical energy challenges in the U.S. market. This Opportunity This role provides senior-level technical leadership for the planning, assessment, design, and delivery of behind-the-meter electrical infrastructure projects, ranging from 35 kV utility interconnections to end-use equipment and devices. The team supports electrification projects across medium- and heavy-duty vehicle (MHD/HDV) charging, port...

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. About the Role This role is part of the Lunar Permanence business unit, which develops Blue Origin's Blue Moon lander product lines. To further Blue Origin's mission of having millions of people living and...

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...

Find your path and enjoy the journey at Haley & Aldrich . With us, you'll tackle clients' most meaningful challenges in the built and natural environments - and, in turn, build stronger communities. You'll work with teams of passionate colleagues, driven by a commitment to technical excellence and continuous learning. As a company, we aim to build a world where communities go beyond resilience, embracing change as an opportunity to enhance safety, well-being, and quality of life. Join us to accelerate this vision and your professional development. We are looking to add new talent to our growing team! We are currently seeking a Staff Geotechnical Engineer 2 to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity to join a growing group and company and get involved in a variety of projects for a diverse range of clients. This is a full-time position located in our Seattle, WA...

At MacDonald-Miller Facility Solutions ("MacMiller") , we make buildings work better. As the Northwest's leading mechanical contracting firm, we design, deliver, and service HVAC, plumbing, and automation system solutions for commercial buildings. With more than 1,600 employees across fourteen offices, there's a breadth and variety of work to keep you engaged and inspired. We have a well-respected history of exceeding our customers' expectations and executing with distinction. Our clients trust their toughest projects to our integrated teams, including: New Construction - Engineering, fabrication, and installation of mechanical systems for new projects, following lean construction practices. Special Projects - Retrofits and mechanical repairs for existing buildings to create new efficiencies. Service - Scheduled preventive maintenance ensuring tenant comfort and 24/7 emergency response. Building Performance - Control systems, fault detection, energy services, and...

Find your path and enjoy the journey at Haley & Aldrich . With us, you'll tackle clients' most meaningful challenges in the built and natural environments - and, in turn, build stronger communities. You'll work with teams of passionate colleagues, driven by a commitment to technical excellence and continuous learning. As a company, we aim to build a world where communities go beyond resilience, embracing change as an opportunity to enhance safety, well-being, and quality of life. Join us to accelerate this vision and your professional development. We are looking to add new talent to our growing team! We are currently seeking a Project Geotechnical Engineer to work in a technical support role with highly skilled professionals on diverse project teams in a dynamic environment. This is an excellent opportunity to join a growing group and company and get involved in a variety of projects for a diverse range of clients. This is a full-time position located in our Seattle, WA...