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129 materials developer jobs at 81 companies in Napa, CA

2mo
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Materials Engineer
Mather or Sacramento
$100k-$180k/yr OnsiteFull Time
Rex Moore
Rex Moore: Provides integrated electrical design, construction, and maintenance services.
5+ YOEBS in Engineering (Materials, Manufacturing, Electrical, Industrial) or equivalent; 5+ years; knowledge of material compatibility and joining methods; lean manufacturing experience; 2+ years in manufacturing/production engineering.
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2mo
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Materials Engineer
Mather or Sacramento
$100k-$180k/yr OnsiteFull Time
Construction Innovations: Manufactures modular electrical installation kits for energy infrastructure.
5+ YOEBS in Engineering; 5+ years manufacturing/production experience; knowledge of material compatibility and joining; Lean and regulated environments familiarity.
Lean Manufacturing, UL standards, Quality Management System (QMS), Manufacturing process design, SOPs
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R&D Materials Engineer Intern
South San Francisco, California, United States
$35/hr OnsiteInternship
Neuralink
Neuralink: Developing implantable brain-computer interfaces to restore human capabilities.
2+ YOE2+ years academic or industry experience in materials/chemical/biomedical engineering or chemistry, strong lab safety and chemical handling, experimental design, materials characterization, and communication skills.
SolidWorks, FTIR, XPS, AFM
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1w
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2026-2027 Facilities Engineering Materials Engineer
Houston or Pasadena or Pascagoula or Richmond or El Segundo or Salt Lake City
$108k-$136k/yr OnsiteFull Time
Chevron
ChevronNYSE: CVX: Global energy producing oil, gas, and petrochemicals.
0+ YOECandidates completing a Bachelors/Masters/Doctorate in Metallurgical, Materials or Corrosion Engineering or graduates with ≤2 years related experience; strong academics, communication, teamwork and problem-solving skills.
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Materials Test Engineer II
Hayward, California, United States
$75k/yr OnsiteFull Time
TransPak: A packaging testing and materials testing that provides lab services and product testing.
3+ YOEBS in Metrology/Packaging/Mechanical or Industrial Eng; 3-5 years in packaging/test lab; able to read protocols and specifications (ASTM/ISTA/IEC/MIL-STD); strong data analysis and communication.
Laboratory testing equipment, CNC machine, Drill press, SOPs, General computer literacy
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2mo
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IC Packaging Engineer, Materials and Packaging Characterization
United States or San Francisco
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
10+ YOEBS and 10+ years in materials characterization/experimental mechanics; strong experience in experimental mechanics, material characterization, test equipment setup, SEM/EDX/FIB, MATLAB/Python, and packaging materials reliability.
SEM, EDX, FIB, CSAM, MATLAB, Python, Gen-AI, Machine Learning
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6d
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Director of Procurement and Materials Management
Oakland, California, United States
$196k-$234k/yr OnsiteFull Time
AC Transit
AC Transit: Operates public bus transit services in California's East Bay.
8+ YOE4+ MgmtBachelor's degree or equivalent,8 years procurement/materials experience with 4 years supervising; ability to develop policy, manage budgets, ensure compliance, and lead procurement programs.
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2w
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Building Materials Circularity Coordinator (5640) - SF Environment Department
San Francisco, California, United States
$109k-$132k/yr HybridFull Time
City and County of San Francisco
City and County of San Francisco: Provides public services and governance for the San Francis area.
2+ YOEBachelor's degree (or equivalent experience), 2 years professional experience in environment/zero waste/construction or related program development, project management, stakeholder engagement, data analysis, and communication skills.
Green Halo, Salesforce
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2mo
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Enablement Engineer
San Francisco or Cambridge
$110k-$135k/yr HybridFull Time
Lumafield
Lumafield: Accessible industrial CT scanners and cloud-based analysis software
4+ YOELead in-person and virtual technical training for customers; travel up to 60%; collaborate cross-functionally; develop and maintain enablement materials.
Voyager software, Lumafield scanning systems, X-ray/CT equipment
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1mo
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Semiconductor Process Development Engineer - Lithography
Santa Rosa, California, United States
$127k-$212k/yr OnsiteFull Time
Keysight Technologies
Keysight TechnologiesNYSE: KEYS: Provides electronic design, test, and simulation software and hardware.
5+ YOEM.S. or Ph.D. in Materials Science/Chemical Engineering/Physics/Chemistry, 5+ years semiconductor process development experience (recent cleanroom grads considered), deep lithography expertise (coating, exposure, overlay, CD-SEM), SPC/DOE experience, strong problem-solving and communication; must be U.S. person and local or willing to relocate to S...
CD-SEM, SPC, DOE
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2mo
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Footwear Developer, Women’s
San Francisco, California, United States
$98k-$118k/yr OnsiteFull Time
Rothy's
Rothy's: Sustainable footwear and accessories made from recycled plastic materials.
4+ YOE4–6 years footwear product development/production; Bachelor’s in Product Development, Engineering, Industrial Design, or related field; knowledge of footwear construction, materials, costing, testing, and factory processes; experience with Asia-based factories; strong computer skills (PLM, Google Workspace); ability to travel (1–3x/yr).
PLM, Google Sheets/Docs/Slides, Adobe Illustrator
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1w
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Research Scientist, Materials Characterization
Menlo Park or San Francisco
$225k-$325k/yr OnsiteFull Time
Periodic Labs
Periodic Labs: Builds autonomous laboratories for AI-driven scientific discovery.
5+ YOEPhD or advanced degree preferred with 5+ years in physical property characterization; hands-on experience with electronic/magnetic/thermal measurements, cryogenics, low-noise techniques, data analysis, and instrumentation commissioning.
Python, Jupyter, LIMS, PPMS, MPMS
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1mo
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Senior Security Engineer
San Francisco, California, United States
$249k-$405k/yr HybridFull Time
Ivo
Ivo: AI-powered contract review and intelligence platform for legal teams.
5+ YOE5+ years in security operations with hands-on detection engineering, incident response, cloud (GCP/Microsoft Azure) and identity security (Okta), SIEM, WAF, endpoint, vulnerability management, and scripting (Python).
Panther, SIEM, GCP, Microsoft Azure, Cloudflare WAF, Okta, SSO, SAML, SCIM, MFA, RBAC, Kandji, Material, Python, Sigma, SOAR
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3mo
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Composites Engineer
San Francisco, California, United States
OnsiteFull Time
Poseidon Aerospace
Poseidon Aerospace: Aerospace manufacturer focused on unmanned aircraft and related systems.
2+ YOEBachelor’s in Mechanical, Aerospace, Manufacturing, or Materials Eng; 2–5 years composite fabrication/manufacturing engineering in aerospace; strong composite materials knowledge; CAD tooling design; shop-floor collaboration.
CAD, CAM, Hand tools, Measuring equipment, Tooling design software
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2mo
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Lead Coating Engineer
Richmond, California, United States
$101k-$178k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
7+ YOELead the design, development, and deployment of thin-film coating processes; 7+ years in thin-film coating engineering; aerospace experience preferred; bachelor’s in physics/optics/materials science/engineering.
TFCalc, Macleod, Thin Film Deposition (Thermal Evaporation, E-Beam, Sputtering, CVD), Tooling Design, SolidWorks, MS Office
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1mo
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Staff Chemical Engineer
Berkeley, California, United States
$148k-$185k/yr OnsiteFull Time
Form Energy
Form Energy: Developing multi-day batteries for grid-scale energy storage.
3+ YOEMasters or PhD in chemistry/chemical engineering/materials science, 3+ years industrial product/process development, lab experiment design and data interpretation, experience with aqueous electrochemistry and analytical techniques, safety-first mindset.
cyclic voltammetry, UV-Vis, titrations
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1mo
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Staff Mechanical Engineer
Pleasanton, California, United States
$179k-$243k/yr OnsiteFull Time
10x Genomics
10x GenomicsNasdaq: TXG: Develops gene sequencing and single-cell analysis laboratory instruments.
10+ YOEBS/MS/PhD in Mechanical Engineering, minimum 10 years industry experience in biotech/medical devices/robotics/instrumentation. Deep mastery of kinematics, thermals, materials, fluidics, stress analysis; SolidWorks and EPDM/PDMWorks; FEA; product development and system integration experience; leadership and mentorship experience.
SolidWorks, EPDM/PDMWorks, Finite Element Analysis (FEA)
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3w
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IT Security Operations Engineer
South San Francisco, California, United States
$150k-$190k/yr HybridFull Time
AKASA
AKASA: Develops AI-powered automation software for healthcare revenue cycle management.
4+ YOE4+ years in security operations or IT security. Experience with Okta and Google Workspace at scale, DLP across SaaS and endpoints, MDR/EDR tuning, AI/ML email security, scripting (Python, Go, TypeScript), and knowledge of HIPAA/HITRUST/SOC 2/ISO 27001. Incident response and on-call experience.
Google Workspace, Slack, GitHub, Jira, Confluence, Okta, Terraform, Kandji, Jamf, SecureW2, EAP-TLS, KnowBe4, Hoxhunt, Living Security, Abnormal, Material, Sublime, Proofpoint, Mimecast, DLP, MDR, EDR, Python, Go, TypeScript, LLM, HITRUST, HIPAA, SOC 2, ISO 27001
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3mo
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AI Trainer - Materials Science Specialists (Remote - San Francisco)
San Francisco or United Kingdom
$40/hr RemoteContract
Prolific
Prolific: Platform connecting researchers and AI developers with verified participants.
Master's degree or higher in a related field, deep Materials Science expertise, experience with fact-checking/AI tasks, verifiable professional profile, reliable fast internet and computer, ability to concentrate up to one hour.
LinkedIn, LLM
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4w
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Senior Engineer/Scientist – X-ray Source Development
Dublin, California, United States
$140k-$175k/yr HybridFull Time
ZEISS
ZEISS: Produces high-precision optical systems and optoelectronic technologies.
Master’s (or PhD) in Physics/Electrical Engineering/Materials Science, experience designing electron guns/electron optics and X‑ray targets, hands‑on prototyping, strong cross‑functional communication, and English fluency.
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