121 materials developer jobs at 51 companies in Mercer Island, WA

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Materials Engineer
Everett, Washington, United States
$159k-$208k/yr OnsiteFull Time
Helion
Helion: Building fusion reactors to produce clean, low-cost electricity.
3+ YOEBachelor's or Master's in Materials Science or related field; 3+ years in materials characterization and failure analysis; experience with insulation systems; lab FA tools and testing.
Optical microscopy, SEM, Mechanical testing, Dielectric testing, Polymer characterization
1w
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Materials Engineer, Coatings Development
Bellevue, Washington, United States
$139k-$208k/yr OnsiteFull Time
TerraPower
TerraPower: Developing advanced nuclear reactor technology and medical isotopes.
6+ YOEBachelor's with 6+ years, master's with 3+ years, or PhD in materials, mechanical, or related engineering; coatings development, tribology, surface engineering, testing, and technical documentation experience required.
optical microscopy, microhardness, profilometry, SEM, ASME NQA-1, AS9100, ISO17025
3w
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Materials & Process Engineer
Kent, Washington, United States
$129k-$252k/yr OnsiteFull Time
Stoke Space
Stoke Space: Developing fully reusable rockets for frequent orbital access.
3+ YOEBachelor's in materials/engineering/physics,3+ years materials engineering experience across metals, coatings, welding, powder metallurgy; proficiency in material characterization, testing, failure analysis, and supplier qualification; familiarity with ASTM/NASA/AWS preferred.
1mo
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Materials Engineer, Amazon Leo
Redmond, Washington, United States
$117k-$160k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
2+ YOEBachelor's in a materials-related field, 2+ years materials selection/testing and fabrication experience, prototyping experience, hands-on lab testing and failure analysis; U.S. work-authorization per export control.
SEM-EDS, FTIR, DSC, TGA, LFA, rheometry, spectrophotometry, optical microscopy, hardness testers
2mo
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AM Materials and Process Engineer III)
Seattle, Washington, United States
$121k-$169k/yr OnsiteFull Time
Blue Origin: Develops reusable rockets and systems for human spaceflight.
3+ YOEBachelor's or higher in materials science/engineering; 3+ years LPBF metal AM; LPBF materials experience; test plan development; strong communication.
LPBF, 3D printing, Material characterization tools
2w
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Materials Process Engineer I/II – Manufacturing Technical Operations 
Redmond or Seattle
$80k-$92k/yr OnsiteFull Time
Evotec
EvotecFrankfurt Stock Exchange: EVT: Provides drug discovery and development services through global research alliances.
2+ YOEBS in engineering or life science engineering, 2+ years in pharma/biotech manufacturing, cGMP knowledge, single-use systems and autoclave experience, CQV proficiency, strong communication and investigation skills.
1mo
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Materials Manager
Algona, Washington, United States
OnsiteFull Time
Utz Brands
Utz BrandsNYSE: UTZ: Manufacturer and distributor of branded salty snack food products.
3+ YOE3+ years supply chain experience in procurement/planning within CPG/food/beverage; experience with supplier development, inventory control, ERP/MRP; strong communication, analytical and Excel skills.
ERP, MRP, Microsoft Excel, Microsoft PowerPoint, Microsoft Word
2w
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Materials Process Engineer I/II – Manufacturing Technical Operations 
Redmond or Seattle
$80k-$92k/yr OnsiteFull Time
Evotec
EvotecFrankfurt Stock Exchange: EVT: Accelerates drug discovery and biologics development for pharmaceutical partners.
2+ YOEBS in engineering or sciences,2+ years relevant pharma/biotech experience,cGMP knowledge,experience with single-use systems and autoclave systems,ability to perform CQV and technical investigations.
2w
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Material Developer, Apparel
Seattle, Washington, United States
$92k-$138k/yr HybridFull Time
Brooks Running
Brooks Running: Sells high-performance running shoes and apparel for runners.
5+ YOEBachelor's or equivalent,5+ years developing performance knits/wovens, textile testing and costing expertise, PLM and Flex experience, proficiency with Microsoft Office and Illustrator, strong project management and communication.
PLM, Flex, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Keynote, Illustrator
2w
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Staff Scientist - Materials Science
Bothell, Washington, United States
$175k-$250k/yr HybridFull Time
IonQ
IonQNYSE: IONQ: Develops and sells trapped-ion quantum computers and cloud services.
Doctorate in a relevant field with postdoctoral or industry experience; deep expertise in condensed matter or high energy physics; scientific programming in Python and C++; familiarity with classical simulation and fault-tolerant quantum algorithms.
QuantumATK, QuantumEspresso, VASP, Python, C++, OpenAI Codex, Anthropic Claude Code
2w
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Subsurface Materials Geoscientist, Natural Resource Scientist 3 (NRSci3)
Olympia, Washington, United States
$6k-$8k/mo HybridFull Time
Washington State Department of Ecology
Washington State Department of Ecology: Provides environmental regulation and conservation services for Washington state.
4+ YOEBachelor’s in geology plus 4 years geoscience experience or equivalent; GIS editing/metadata experience; inventory/warehouse and sampling experience; valid driver’s license with 2 years driving history.
GIS
4w
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Training Developer
Keyport, Washington, United States
OnsiteFull Time
McLaughlin Research Corporation
McLaughlin Research Corporation: Engineering and technical services for defense agencies.
Develop and maintain curriculum, coordinate and monitor training programs, create instructional materials and graphics, teach technical courses, and develop/maintain tests.
4d
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Softgoods Developer
Seattle, Washington, United States
$144k-$204k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
5+ YOERequires 5+ years developing technical softgoods, manufacturing equipment experience, 3D CAD and pattern development expertise, prototype documentation, and technical material evaluation.
sewing machines, laser cutters, Zund, heat presses, Rhino, SolidWorks, CNC/CAM software, embroidery machines
3mo
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Staff Software Engineer — Dynamic Tables, Performance
Bellevue, Washington, United States
$236k-$339k/yr HybridFull Time
Snowflake
SnowflakeNYSE: SNOW: Cloud-based platform for data storage, processing, and analytics.
10+ YOE10+ years building/optimizing large-scale data systems; expertise in query optimization, incremental/stream processing, or materialized view maintenance; strong CS fundamentals; proficient in C++ or Java; ability to lead multi-engineer initiatives.
C++, Java, Profiling tools, Benchmarking tools, Regression testing
3w
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Operations Engineer, Supply Chain (Starlink)
Redmond, Washington, United States
$100k-$165k/yr OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
1+ YOEBachelor's in engineering,1+ years manufacturing/supply chain experience,ability to drive material flow improvements,develop metrics,analyze data,and train staff.
CAD, SQL, Microsoft Power BI, Grafana, Python, R, Minitab, Microsoft Excel, MRP/ERP
2mo
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Senior Game Engineer - Graphics
Bellevue or United States
$160k-$240k/yr RemoteFull Time
teamLFG
teamLFGNYSE: SONY: Developing social multiplayer action games as a PlayStation studio.
Expert in real-time rendering; proficient in C++, Unreal Engine 5; experience building tools for designers/artists; strong collaboration and autonomous work.
Unreal Engine 5, C++, Shader tools, Materials, Particles, Post-processing
3w
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Sr Supplier Quality Engineer
Kirkland, Washington, United States
$140k-$150k/yr OnsiteFull Time
Kestra Medical Technologies
Kestra Medical TechnologiesNASDAQ: KMTS: Develops wearable cardiac monitoring and defibrillation medical devices.
8+ YOEBachelor's in engineering/material science or equivalent,8+ years supplier quality experience in FDA/cGMP regulated environment,knowledge of PPAP,PFMEA,IQ/OQ/PQ,8D and supplier development,advanced Excel and statistical analysis skills.
Microsoft Excel, PPAP, PFMEA, IQ/OQ/PQ, 8D, SCAR, Six-sigma, Lean manufacturing, PCBA
1w
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Sourcing Engineer
Bothell, Washington, United States
$124k-$186k/yr OnsiteFull Time
Terex
TerexNYSE: TEX: Manufacturer of lifting and material processing equipment.
4+ YOEBachelor's degree in engineering, materials science, or related field; 4+ years in procurement, supply chain, sourcing, engineering, or operations; 2+ years leading cross-functional programs; GD&T and technical drawing proficiency.
Kanban, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, GD&T, Project Management software, RFQ
2mo
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Environmental Engineer
Lakeville or Babcock or Las Vegas or Seattle or Cincinnati or Houston or Wisconsin Rapids or Dallas or Tomah or Sulphur Springs or Miami or Minneapolis or Breinigsville or Kenosha or Henderson or Chicago or Bentonville or Chatsworth or Boston
$105k-$144k/yr RemoteFull Time
Ocean Spray
Ocean Spray: A farmer-owned cooperative producing cranberry juices and fruit snacks.
5+ YOEBachelor's in environmental/chemical engineering or related, 5+ years environmental engineering experience in manufacturing, strong knowledge of environmental regulations and permitting, wastewater/air/stormwater/hazardous materials expertise, project management and technical reporting skills.
ISO 14001, GHG Protocol, Life Cycle Assessment (LCA), Lean, Six Sigma
4w
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Material Handling & Intralogistics Engineer
Austin or New York or San Francisco or Seattle
$203k-$232k/yr OnsiteFull Time
Fluidstack
Fluidstack: Provides high-performance cloud GPU infrastructure for AI development.
Experience engineering material handling for heavy manufacturing (cranes, AGVs, conveyors), plant layout and throughput calculation, equipment specification and commissioning, safety-focused design, and continuous flow improvement.
FlexSim, Plant Simulation, WMS, WES