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18 mechanical engineer 3 jobs found in Seattle

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Seattle Onsite mechanical engineer 3
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BO
Apr 24, 2026
Full time
Fluid Systems Design Engineer II: Upper Stage & Payload Fairing - New Glenn
$90,934 yearly
Blue Origin, LLC Seattle, WA
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. In this role you will be responsible for leading the design, development, manufacturing and testing of fluid systems for rockets! You will engage in all levels of the design cycle including conceptual design,...
BO
Apr 24, 2026
Full time
Product Development Engineer - New Glenn (Mid-Level)
$112,059 - $156,883 yearly
Blue Origin, LLC Seattle, WA
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...
LA
Apr 18, 2026
Full time
LightArt Design Engineer I
LightArt Seattle, WA
LightArt is seeking a Mechanical Engineer or Industrial Designer for an immediate opening as a Design Engineer I to join our Research & Development team. We are currently looking to expand our team with a hands-on, dynamic individual to develop innovative solutions to complex lighting fixture design problems. The candidate will assist on projects through all stages of the development process from concept through product launch. The Candidate should possess a proactive approach to design and leverage manufacturing knowledge to complete tasks independently and as part of a team. The candidate must be proficient in Solidworks, basic knowledge of Revit, Sketchup, InDesign, Rhino, Grasshopper, or AutoCAD and experience in lighting and electrical systems a plus. Our ideal candidate is passionate about their work and can communicate cross-functionally with internal teams in different geographical locations. This position reports to the Director of Research and Development. The...
JP
Apr 16, 2026
Full time
Product Engineer - Design
$70,000 - $85,000 yearly
JET PARTS ENGINEERING LLC Seattle, WA
Job Type Full-time Description JOB DESCRIPTION The individual will reverse engineer aircraft parts and develop FAA-compliant designs that go on to be manufactured, certified, and installed on commercial aircraft worldwide. Each project involves hands-on engineering across multiple disciplines - researching how a part functions in its aircraft or engine system, analyzing dimensions and materials, making design decisions grounded in measured data, and producing production-ready drawings per ANSI/ASME Y14.5. Work is project-based and primarily autonomous, with collaboration from senior engineers, certification, quality, procurement, and manufacturing throughout. KEY RESPONSIBILITIES • Research and investigate part function, failure modes and effects, and operating conditions to establish design requirements • Develop 3D solid models and drawings using SolidWorks • Coordinate and/or perform dimensional inspection, and support external materials analysis • Evaluate...
ZP
Apr 08, 2026
Contractor
Mechanical Design Engineer (Contract)
$65.00 - $80.00 hourly
Zeno Power Seattle, WA
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,...
SP
Apr 08, 2026
Full time
Senior Mechanical Design Engineer
Simplexity Product Development Seattle, WA
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? If you're an engineer who likes variety in your job, you'll fit right in here. Simplexity works across a breadth of projects - from robotics and IoT to medical devices, consumer wearables, automation and more. You won't be siloed into one tiny piece of the organization; you'll roll up your sleeves and help solve real, 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...
Ae
Mar 27, 2026
Full time
Senior Spacecraft Engineer
Aetherflux Seattle, WA
Senior Spacecraft Engineer 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 We are looking for a Spacecraft Engineer to help design, build, and integrate the core systems that power our satellite platform. You will work across...
Ae
Mar 26, 2026
Full time
Sr. Mechanical Engineer
Aetherflux Seattle, WA
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...
Ae
Mar 26, 2026
Full time
Sr. Avionics Engineer
Aetherflux Seattle, WA
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...
IC
Mar 19, 2026
Full time
Senior Mechanical Engineer
$125,000 - $250,000 yearly
Interlune Corporation Seattle, WA
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,...
Am
Feb 26, 2026
Full time
Design Engineer
Amphenol Seattle, WA
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...
PM
Oct 17, 2025
Full time
Project Engineer
PSR Mechanical LLC Seattle, WA
Job Type Full-time Description PSR has been a part of Seattle since 1945. We are a leading provider of services that optimize energy efficiency, comfort, productivity, health, and safety. PSR Mechanical is part of Service Logic which is the nation's largest independent HVAC service provided with over $2.0 billion in annual sales and 7,000 employees. Our investment in outstanding people, technology and education has created a highly valued service platform for our customers. PSR Mechanical, an established, well recognized and respected HVAC service contractor, is looking for an experienced Project Engineer to join our Seattle office. We are seeking a candidate who meets the qualifications listed below. The Project Engineer role is to assist to help create effective HVAC and energy solutions for our clients. Project Engineers provide support to our Sales, Projects and Operations departments. They are involved in the day-to-day operations of a project and must be organized and...
BN
Aug 25, 2025
Full time
Senior Project Engineer
$85,000 - $125,000 yearly
BNBuilders Seattle, WA
Collaborative people. Progressive builders. Consistently recognized as a best workplace, and for our commitment to safety, sustainability, and community partnerships, BNBuilders hires the very best in the construction industry and strives to create an environment that encourages innovation, responsibility, and client satisfaction. If you are looking to be a part of an open, supportive team and receive exciting challenges that promote personal and professional growth, look no further than BNBuilders! JOB SUMMARY: The Senior Project Engineer assists and supports the Project Manager on assigned projects. The position works under direct supervision, performs routine daily activities, and gathers and distributes information. SALARY RANGE: $85,000.00 - $125,000.00 annually (Seattle Range) BENEFITS: Group medical, vision, and dental insurance, including a choice of two benefit plans - a PPO plan and a High Deductible/ Health Savings Account plan with company contribution to...
AG
Apr 09, 2026
Full time
Field Engineer
Aecon Group, Inc. Seattle, WA
Come Build Your Career at Aecon! As a North American leader in infrastructure development, Aecon is safely and sustainably building what matters for future generations to thrive! We lead some of the most impactful infrastructure projects of our generation, at the forefront of transformational change in transportation and energy, and partnering every day to build, connect, power, and strengthen our communities. At Aecon, you can count on: Safety Always. Our number one core value. If we can't do it safely, we don't do it at all. Integrity. We lead by example, with humility and courage. Accountability. We're passionate about delivering on our commitments. Inclusion. We provide equitable opportunities for everyone. We lead the infrastructure industry with purpose, and our people are at the heart of everything we do. So, we invest in our people, just like they invest in us! At Aecon we: Ensure you and your family receive the services needed to support your mental,...
AU
Apr 09, 2026
Full time
NDE Process Engineer
AAA USA, Inc. Seattle, WA
About the Job Must be willing to travel/temporarily relocate to Tukwila, WA . What we offer: Paid Travel and lodging assistance available. Long and Short-Term Contracts. Immediate placement. PTO. Paid Holidays. Health Benefit. Position Summary: AAA United States, Inc. has partnered with a company in Tukwila, WA that is a leading global aerospace company and top U.S. exporter, Boeing develops, manufactures and services commercial airplanes, defense products and space systems for customers in more than 150 countries. Essential Function: Develops NDE procedures in support of airline customer maintenance inspections Designs NDE reference standards in support of inspection procedures Develops engineering specifications and other documents to meet customer needs Assists in evaluation of emerging technologies for potential application to business needs Assists with development and qualification of new tools, equipment, materials, parts and processes to...
In
Mar 18, 2026
Full time
Mechanical Engineer III
$55.00 hourly
Intelliswift Seattle, WA
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...
FI
Jan 28, 2026
Full time
Structural Engineer 3-Marine
Facet, Inc Seattle, WA
Join Our Facet Team Facet is a fast-growing energetic civil and structural engineering and environmental consulting firm with six offices in Washington. We are engineers, scientists, arborists, landscape architects, planners, and more, with decades of experience working throughout the PNW and the nation. Job Description We are seeking a motivated and talented Structural Engineer 3-Marine to join our dynamic team. In this role, you will manage staff to execute projects related to the design, planning, and cost estimation of a wide range of waterfront and marine infrastructure projects, including water structures, shoreline access systems, and coastal site developments. You bring a strong foundation in marine engineering principles, including expertise in steel and concrete design, fluid mechanics, and coastal infrastructure to support innovative, resilient, and sustainable solutions for our clients and communities. In this role, you'll manage budgets, assign tasks, prepare...
VS
Jan 27, 2026
Contractor
Electronics Design and Analysis Engineer 4
Veracity Solutions Seattle, WA
Electronics Design and Analysis Engineer 4 1 Contractor Onsite position Seattle, WA, United States, 98108 Shifts: 1st shift 7:00 am - 3:30 pm Skills CAITA V5 (or solidworks) Integrated circuit design examples (power supply decision, cable build, circuit logic are examples) Leads analysis of customer and system requirements and development of architectural approaches and detailed specifications for various electronic products. Leads development of high-level and detailed designs consistent with requirements and specifications. Leads reviews of testing and analysis activity to assure compliance to requirements. Identifies, tracks and statuses technical performance measures to measure progress and ensure compliance with requirements. Leads activities in support of Supplier Management with make/buy recommendations and other technical services. Coordinates engineering support throughout the lifecycle of the product. Plans research projects to develop concepts for future...
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