12 materials development engineer jobs at 10 companies in Mentone, CA
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Senior Materials Engineer - Metals
Tustin or Plymouth or Normal
$99k-$123k/yr OnsiteFull Time
5+ YOEMaster’s degree in materials/metallurgical/mechanical engineering, 5+ years in automotive product development, deep steel metallurgy, light-metal knowledge, hands-on microscopy and testing, familiarity with manufacturing and supplier processes, strong communication.
microscopy, formability testing, mechanical testing, corrosion evaluation, APQP, PPAP, DFMEA, PFMEA, CAE
2mo
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Materials Engineer - Interior & Exterior Trim
Irvine, California, United States
$86k-$107k/yr OnsiteFull Time
4+ YOEBS in materials science/engineering required (MS preferred), 4+ years materials development experience preferred, multi-disciplined experience with plastics/films/textiles/composites, project/vendor management, strong communication, Google suite proficiency, ~10% travel.
Google suite
3mo
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Principal Process Development Engineer
Murrieta, California, United States
$101k-$178k/yr OnsiteFull Time
9+ YOEBachelor's in engineering, physics, or material science; 9+ years in optical manufacturing; strong analytical and problem-solving skills; experience in precision manufacturing; preferred: diamond turning, optics fabrication, optical metrology, opto-mechanical assembly.
Diamond Turning, Optical Metrology, Profilometry, Interferometry, Opto-mechanical Assembly, Conventional Optics Fabrication
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Staff R&D Materials Chemist Engineer
Pomona, California, United States
$135k-$165k/yr OnsiteFull Time
5+ YOEMS or PhD in relevant STEM field; 8 years' experience with MS or 5 years with PhD; wet/dry lab experience, statistical analysis (Minitab), DOE, GLP, MS Office proficiency, Instron familiarity, and <10% travel.
Minitab, Instron, Microsoft Office, DOE
3mo
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Sr Research Engineer - Polymer Materials (Fontana, CA, US, 92337)
Fontana, California, United States
$120k-$135k/yr OnsiteFull Time
0+ YOEPhD in polymer science/engineering or MS with 3–10 years of experience; PVC expertise; AI-assisted material characterization; travel ~35%; strong communication.
PVC, extrusion, formulation development, DSC, TGA, DMA, rheometer
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Engineer II, Technology (Metallurgy)
Irvine, California, United States
OnsiteFull Time
Bachelor's in Metallurgical Engineering or Materials Science required; strong analytical and problem-solving skills; Microsoft Office competency; ability to collaborate with sales, manufacturing, and quality teams on material development and production projects.
Microsoft Office, Microsoft Word, Microsoft Excel
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Staff Mechanical Engineer, R&D
Irvine, California, United States
$109k-$175k/yr OnsiteFull Time
8+ YOEBachelors in Mechanical/Biomedical Engineering with extensive device development experience; CAD (SolidWorks) proficiency, materials and manufacturability knowledge, DOE/statistics familiarity, strong communication; ability to travel up to 25%.
SolidWorks, SAP Product Lifecycle Management
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Principal Engineer, R&D
Aliso Viejo, California, United States
$129k-$170k/yr OnsiteFull Time
10+ YOEBachelor's in Mechanical/Industrial/Materials Engineering, 10+ years medical device experience, strong written/verbal skills, device design/development and manufacturing knowledge, proficiency with MS Office, Minitab, SolidWorks/CAD, regulatory and IP experience.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Minitab, SolidWorks, CAD
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Sr. Packaging Development Manager
City of Industry, California, United States
$120k-$150k/yr OnsiteFull Time
10+ YOE7+ MgmtBachelor's in engineering or related science, 10+ years packaging development in CPG, 7+ years mid-senior management, packaging materials/process expertise, food safety/regulatory knowledge, strong leadership and commercial awareness.
Microsoft Project, Microsoft PowerPoint, Microsoft Excel, Microsoft Word, CAD
3mo
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Sr. Manager, Battery Cell Engineering
Tustin, California, United States
$176k-$220k/yr OnsiteFull Time
5+ YOE3+ MgmtMS in chemistry/chemical engineering/materials science with 5+ years hands-on lithium-ion battery testing; 3+ years management; strong leadership and communication; experience with cell development and electrochemistry; familiarity with automotive standards.
Python, EIS, GITT, CV, PITT
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Specialist Position 2026-2027
Irvine, California, United States
$57k-$202k/yr OnsiteFull Time
Requires B.S., M.S., or Ph.D. in Materials Science and Engineering or related field and experience in areas such as additive manufacturing, materials characterization, biomaterials, energy materials, modeling, or nanoscale materials.
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Student Research Assistant
Orange, California, United States
$18/hr OnsitePart Time
Undergraduate Fowler School of Engineering student; hands-on materials and mechanical engineering research; strong problem-solving, documentation, and oral/written communication skills.
ADLP, resin 3D printer, universal testing machine