12 senior engineer jobs found in Seattle

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!...

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...

Civil Engineer PE 10+ Years of Experience About LPD Engineering At LPD Engineering, we're passionate about designing infrastructure that strengthens communities and creates lasting impact. As a Seattle-based, woman-owned civil engineering firm, we deliver innovative site development solutions from concept through construction for a diverse range of public and private projects. Our expertise includes site development, stormwater management, grading, utilities, paving, access improvements, erosion control, and infrastructure design. We work across multiple delivery methods, including Design-Bid-Build, GCCM, Progressive Design-Build, and Design-Build, giving our team the opportunity to solve complex challenges and work on meaningful projects. What makes LPD different is our culture. We are driven by Curiosity, Integrity, and Service Excellence; empowering our employees to think creatively, collaborate openly, and take ownership of their work. We believe the best engineering comes...

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...

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...

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...

Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in and Tulsa, Oklahoma, and upcoming growth in Seattle, Washington, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. You will take on a demanding and rewarding role at Agile, directly shaping the future of...

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), 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), 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 : As a Mechanisms Engineer, you will own a critical vehicle mechanism subsystem from concept through flight. Depending on your background and team priorities, your...

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...

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...

Agile Space Industries is a rapidly growing supplier of propulsion hardware and engineering services for the space industry. Headquartered in Durango, Colorado, with expanding operations in and Tulsa, Oklahoma, and upcoming growth in Seattle, Washington, Agile has achieved more than 40% year-over-year growth for the past three years, and our momentum continues to accelerate. At Agile, we design, build, and test in-space propulsion systems that give spacecraft the ability to maneuver with precision, reliability, and purpose. Our technologies play a critical role in missions that range from lunar landings and resource utilization to national defense, human exploration, and commercial space transport. We are seeking bold and driven individuals who thrive in a hands-on, fast-moving environment and want to help write the next chapter of space history as part of a close-knit, innovative team. You will take on a demanding and rewarding role at Agile, directly shaping the future of...

Ky Keber September 2, 2026 Construction , Management , Seattle , Seattle Construction , Seattle Management Compensation: $120K-$150K DOE + Bonus Location: Seattle, WA Our client is a well-established fire protection contractor serving the Seattle area, delivering high-quality fire sprinkler design and installation services across a range of commercial and complex projects. They are known for their commitment to technical excellence, professional development, and a collaborative team culture. They are seeking an experienced Fire Sprinkler Design Manager to lead and develop their sprinkler design team. This is a hands-on leadership role - not a purely administrative position. The ideal candidate will remain actively engaged in complex design work while simultaneously setting technical standards, managing workflow, and building a structured training and development program for the department. For a licensed Professional Engineer , this role also offers...