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20 assistant engineer jobs found

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assistant engineer $150,000 - $200,000 Washington
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Onsite  (20)
AR
Sep 18, 2026
Full time
Senior Piping Stress Engineer
$155,000 - $183,000 yearly
AtkinsRéalis Bothell, WA
Job Description Overview We are seeking a Senior Pipe Stress Engineer to join our team in Bothell, WA or any other US based office. This role could be remote or hybrid. Your role Work with multi-discipline team, collaborators, and clients. Perform pipe stress analysis for power piping and industrial systems per B31.1 and B31.3 respectively. Model piping systems using stress software to verify piping flexibility, stability, and qualification of equipment nozzle loads. Proactive in obtaining needed information and support to complete work on time. Flexible in balancing workload and priorities across multiple projects with a commitment to safety. Maintain and build strong professional relationships with colleagues and clients. Ability to perform clear calculations with schematics, references, and assumptions. Knowledge of pipe materials, valves, relief valves and control valves. Coordinate with other engineering disciplines and vendors as required....
WS
Sep 18, 2026
Full time
Lead Decarbonization Engineer
$98,300 - $175,230 yearly
WSP Seattle, WA
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...
AL
Sep 17, 2026
Full time
Design Engineer III
$125,000 - $150,000 yearly
ALTEN Mukilteo, WA
We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. As a Design Engineer III you will be responsible for; • Leads conceptual and detailed design of aerospace structures, mechanisms, and mechanical systems...
AL
Sep 17, 2026
Full time
Senior Mechanical Design Engineer
$135,000 - $165,000 yearly
ALTEN Mukilteo, WA
We're ALTEN Technology USA, an engineering company helping clients bring groundbreaking ideas to life-from advancing space exploration and life-saving medical devices to building autonomous electric vehicles. With 3,000+ experts across North America, we partner with leading companies in aerospace, medical devices, robotics, automotive, commercial vehicles, EVs, rail, and more. As part of the global ALTEN Group-57,000+ engineers in 30 countries-we deliver across the entire product development cycle, from consulting to full project outsourcing. When you join ALTEN Technology USA, you'll collaborate on some of the world's toughest engineering challenges, supported by mentorship, career growth opportunities, and comprehensive benefits. We take pride in fostering a culture where employees feel valued, supported, and inspired to grow. As a Senior Design Engineer you will be responsible for; Leading the design and development of mechanical systems, structural hardware, and mechanisms...
Ae
Sep 08, 2026
Full time
Fluids Engineer - Propulsion Valves, Ducts, Lines
$130,000 - $195,000 yearly
Aetherflux Kent, WA
About Cowboy Space Corp: Mission Cowboy Space Corporation is solving the global energy crisis by building the infrastructure for abundant, resilient space-based solar energy. We are tackling one of humanity's most complex engineering challenges with a world-class team dedicated to delivering a revolutionary power platform. Cowboy Space Corporation is transforming how civilization powers, computes and connects - from orbit to Earth. Background Cowboy Space Corporation is building the infrastructure to power and connect the orbital economy. Our modular, scalable satellites collect sunlight in Low Earth Orbit to enable multiple integrated applications: transmitting energy via infrared lasers (space-to-earth and space-to-space), powering on-orbit high-performance computing clusters (GPU/TPU), and providing secure, high bandwidth optical data transport. Current energy and data systems rely on complex logistics and outdated infrastructure. Cowboy Space Corporation overcomes these...
DA
Sep 08, 2026
Full time
Senior Structural Engineer
$115,000 - $150,000 yearly
DJ&A PC Vancouver, WA
Senior Structural Bridge Engineer - Any DJ&A Office Location Founded in 1973, DJ&A is a multidisciplinary professional services consulting firm with office locations in Montana, Colorado, Washington, Florida, New Mexico, and Nevada. Our team of more than 180 professionals works across the country to deliver a diverse range of engineering, environmental, survey, mapping, landscape architecture, and planning projects for federal, state, local, tribal, and private clientele. DJ&A is seeking a full-time Senior Structural Bridge Engineer with 15+ years of progressive experience in bridge design, structural analysis, inspection, load rating, rehabilitation, and quality review. The successful candidate will bring advanced technical expertise in modern bridge design codes, strong judgment in developing practical and constructible solutions, and the ability to provide technical leadership and mentorship to project teams across DJ&A's offices. Technical Leadership...
OI
Sep 08, 2026
Full time
Bridge/Structural Engineer
$105,000 - $150,000 yearly
Otak, Inc. Redmond, WA
Otak is seeking an experienced Bridge/Structural Engineer to join our growing team in our Redmond, WA office. In this role, you will collaborate with multidisciplinary engineers, planners, architects, and public and private clients to design solutions for bridge and structural projects of all types, sizes, and levels of complexity. From pedestrian and vehicular bridges, retaining walls, and buried structures to facilities in local, state, and national parks, community transit infrastructure, and site development structures, we continually seek the best balance among form, function, safety, sustainability, constructability, schedule, and budget. The Bridge/Structural Engineer serves as a technical expert in structural engineering analysis, design, and construction. This role also provides guidance to junior engineers in the performance of engineering tasks and coordinates with multidisciplinary teams and clients to support collaborative project delivery. How You'll Contribute...
OI
Sep 08, 2026
Full time
Bridge/Structural Engineer
$105,000 - $150,000 yearly
Otak, Inc. WA
Otak is seeking an experienced Bridge/Structural Engineer to join our growing team in our Redmond, WA office. In this role, you will collaborate with multidisciplinary engineers, planners, architects, and public and private clients to design solutions for bridge and structural projects of all types, sizes, and levels of complexity. From pedestrian and vehicular bridges, retaining walls, and buried structures to facilities in local, state, and national parks, community transit infrastructure, and site development structures, we continually seek the best balance among form, function, safety, sustainability, constructability, schedule, and budget. The Bridge/Structural Engineer serves as a technical expert in structural engineering analysis, design, and construction. This role also provides guidance to junior engineers in the performance of engineering tasks and coordinates with multidisciplinary teams and clients to support collaborative project delivery. How You'll Contribute...
HA
Sep 08, 2026
Full time
Senior Manufacturing Engineer
$120,000 - $150,000 yearly
Heven AeroTech Bingen, WA
Title: Senior Manufacturing Engineer Company: Heven AeroTech Location: Bingen, Washington FLSA: Exempt About Our Company: At Heven AeroTech (Heven), we don't just believe in the power of people-we build our success on it. As a recognized leader in hydrogen-powered drones, we've earned recognition for creating a workplace where innovation thrives, collaboration is second nature, and every employee feels valued. Our culture is anchored in trust and a shared commitment to excellence. We believe great teams are built on individuals who are humble, hungry, and smart -those who put team success first, take initiative to continuously improve, and demonstrate strong interpersonal awareness. At Heven, your voice matters, your ideas are heard, and your contributions make a tangible impact as you grow through hands-on experience and collaboration across the team. Role Summary: The Senior Manufacturing Engineer plays a critical role in bridging the gap between design engineering...
PS
Sep 08, 2026
Full time
Senior Engineer - Substation Controls
$108,200 - $180,200 yearly
Puget Sound Energy Kent, WA
Puget Sound Energy is looking to grow our community with top talented individuals like you! With our rapidly growing, award winning energy efficiency programs, our pathway to an exciting and innovative future is now. PSE's Engineering Operations team is looking for qualified candidates to fill an open Senior Engineer - Substation Controls position! Specific details regarding the work arrangements for this position will be discussed in further detail during the interview process. Job Description Substation Controls Design is looking for an engineer to join our team! This engineer will be responsible for designing controls systems for substations containing voltages of 12kV and above (typical transmission levels are 115 kV and 230 kV). Control systems at PSE are defined as all wiring for switchyard equipment, control house, and control panel devices up to the protective relays. The controls engineers at PSE are also responsible for field support and developing all project...
PS
Sep 08, 2026
Full time
Engineer III - Substation Controls
$94,300 - $156,900 yearly
Puget Sound Energy Snoqualmie, WA
Puget Sound Energy is looking to grow our community with top talented individuals like you! With our rapidly growing, award winning energy efficiency programs, our pathway to an exciting and innovative future is now. PSE's Engineering Operations team is looking for qualified candidates to fill an open Engineer III - Substation Controls position! Specific details regarding the work arrangements for this position will be discussed in further detail during the interview process. Job Description Substation Controls Design is looking for an engineer to join our team! This engineer will be responsible for designing controls systems for substations containing voltages of 12kV and above (typical transmission levels are 115 kV and 230 kV). Control systems at PSE are defined as all wiring for switchyard equipment, control house, and control panel devices up to the protective relays. The controls engineers at PSE are also responsible for field support and developing all project...
JH
Sep 08, 2026
Full time
Project Engineer III
$103,050 - $164,900 yearly
Jubilant HollisterStier Spokane Spokane, WA
Join a Leader in Pharmaceutical Manufacturing - And Build What's Next As Spokane's Largest Manufacturing Company , Jubilant HollisterStier LLC is a well-established force in the pharmaceutical and biopharmaceutical industries, providing a complete range of manufacturing services that support lifechanging medicines around the world. We are nationally recognized for our expertise in producing sterile injectable vials and lyophilized products, and our Allergy business is a global leader in allergenic extracts that support treatments for allergies and asthma. Jubilant HollisterStier is proudly part of the global, Jubilant Pharma family. established force in the pharmaceutical and biopharmaceutical industries, providing a complete range of manufacturing services that support lifechanging medicines around the world. For the Builders, Innovators, and Doers - This Is Your Place If you are someone who thrives on solving complex problems, improving systems, and building real...
FC
Aug 05, 2026
Contractor
Sr. Mechanical Engineer (Contract)
$75.00 - $85.00 hourly
Fresh Consulting Bellevue, WA
We are Fresh. Together let's build the future. With partners and clients, we practice strategy, design, development, and engineering to harness the power of technology and create what's next. Our cross-disciplinary approach blends human ingenuity and technology, empowering us to meet uncertainty with confidence. What got us to today won't get us to tomorrow, so we test our assumptions and always strive for growth. From the products we build to the partners we collaborate with, we believe people make the difference. And we do so as a workforce representative of the communities we serve, understanding that a diverse workforce strengthens our organization. We value diversity and support a positive and welcoming environment where all of our employees can thrive. Why join Fresh? We are tech industry veterans in software, hardware, strategy, and design who are pooling our skills to build the future we want to live in. We are solving real-world problems for people by leveraging...
Ae
Aug 05, 2026
Full time
Mechanisms Engineer - Separation System
$150,000 - $180,000 yearly
Aetherflux Seattle, WA
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...
Ae
Aug 05, 2026
Full time
Mechanisms Engineer - Landing Gear System
$150,000 - $180,000 yearly
Aetherflux Seattle, WA
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...
Ae
Aug 05, 2026
Full time
Senior Mechanisms Engineer - Electromechanical Actuators
$150,000 - $180,000 yearly
Aetherflux Seattle, WA
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...
Ae
Aug 05, 2026
Full time
Avionics Engineer, Flight Computer
$120,000 - $175,000 yearly
Aetherflux Seattle, WA
Avionics Engineer, Flight Computer 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. The Role We're looking for a Flight Computer Avionics Engineer to own the design, development, integration, and qualification of our spacecraft...
Ae
Aug 05, 2026
Full time
Sr. TCA Mechanical Design Engineer
$185,000 - $210,000 yearly
Aetherflux Seattle, WA
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...
LE
Aug 05, 2026
Full time
Senior Electrical Engineer
$123,000 - $154,000 yearly
LEAF Engineers Tacoma, WA
LEAF Engineers is a frontrunner for success in providing comprehensive mechanical, electrical and plumbing, technology, and fire protection engineering design services. Our engineers are focused on system performance, reliability, flexibility, and ease of maintenance. Our work typically consists of large commercial projects, primarily award-winning K-12 schools. With an emphasis on teamwork, we reach beyond the traditional MEP approach to solve problems and integrate a more holistic style to our processes. Within LEAF, you will find a fast-paced environment with many opportunities to learn and accelerate your career. This position will require a candidate with experience in the design of electrical distribution systems, power systems, lighting systems for commercial, and educational facilities including branch circuit and feeder calculations, equipment specification, and emergency power system layout. Your Impact: • Prepare and oversee electrical power system design having...
KG
Apr 14, 2026
Full time
Structural Engineer (Senior Level)
$112,000 - $170,000 yearly
Kleinschmidt Group Redmond, WA
Kleinschmidt has a full-time opening for a Senior Structural Engineer in either our Portland, Oregon or Redmond, Washington offices to manage people, projects, and client relationships, and to perform technical design for hydroelectric, fisheries, and water resources projects. Our flexibility and core value of relationships allows us to offer employees the opportunity to work in a hybrid environment. Salary: $112,000 to $170,000/year (based on experience) Who You Are A licensed Professional Engineer with a BS in Civil Engineering and a minimum of 10 years' experience in structural engineering. Experience with hydroelectric design projects and fisheries related or water resource projects is a plus. Specialty experience within the structural engineering discipline, such as seismic design or finite element modeling, is also a plus. Knowledgeable: Knowledge of standards and codes applicable to the structural engineering discipline is required. Experience with analysis and...
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