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15 materials science engineer jobs at 10 companies in Yucaipa, CA

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Materials Engineer II
Lake Forest, California, United States
$80k-$100k/yr OnsiteFull Time
IRP Medical
IRP Medical: Manufacturer of precision silicone and elastomer components for medical devices.
4+ YOEBachelor's degree in materials science or related engineering, 4+ years in materials science and engineering, polymer and metallic wire experience, testing methodologies, DOE, technical writing, and English fluency.
Scanning Electron Microscope (SEM), Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA), Fourier Transform Infrared (FTIR), Microsoft Office, Design of Experiments (DOE)
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Sr. Materials Engineer
Riverside or Los Angeles
$115k-$130k/yr OnsiteFull Time
Bourns
Bourns: Manufactures and sells electronic components and sensor solutions.
5+ YOEBachelor of Science in applied chemistry, chemical engineering, or materials science engineering. Requires materials chemistry, rheology, analytical instrumentation, statistics, and communication skills; five years' relevant experience if holding a chemistry or biology BA.
Differential Scanning Calorimetry (DSC), Fourier-transform infrared spectroscopy (FTIR), Thermogravimetric Analysis (TGA), Scanning Electron Microscope (SEM), CSAM, X-ray Fluorescence (XRF), X-ray Diffraction (XRD), Thermomechanical Analysis (TMA), Spectrophotometer, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project
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Materials Engineer - Interior & Exterior Trim
Irvine, California, United States
$86k-$107k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
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
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3mo
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Sr Research Engineer - Polymer Materials (Fontana, CA, US, 92337)
Fontana, California, United States
$120k-$135k/yr OnsiteFull Time
James Hardie
James HardieNYSE: JHX: Manufacturer of fiber cement siding and exterior building products.
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
ATI
ATINYSE: ATI: Manufactures specialty materials and metal components for aerospace and defense.
Bachelor's degree in metallurgical engineering or materials science; strong analytical, problem-solving, communication, teamwork, organizational, and computer skills required.
Microsoft Office, Microsoft Word, Microsoft Excel
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Engineer II, Technology (Metallurgy)
Irvine, California, United States
OnsiteFull Time
ATI
ATINYSE: ATI: Manufactures specialty materials and metal components for aerospace and defense.
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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Process Engineer, Metrology
Temecula, California, United States
OnsiteFull Time
Skorpios Technologies
Skorpios Technologies: Designs and manufactures silicon photonics for high-speed optical communications
Degree in engineering, materials science, physics or chemistry with extensive fab metrology and SPC experience; ability to operate characterization tools, analyze data, troubleshoot, and work offset shifts.
Statistical Process Control (SPC), Document Control, Manufacturing Execution Systems
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Color Engineer
Rialto or United States
$97k-$126k/yr HybridFull Time
Westlake
WestlakeNYSE: WLK: Global manufacturer of petrochemicals, polymers, and building products.
5+ YOEBachelor's in chemical engineering/materials/color science; 5+ years in color formulation, matching, or quality control; experience with spectrophotometers, pigments, automation/inline measurement systems, and color software; strong analytical and communication skills.
spectrophotometers, color software, digital tools and databases, automation systems, inline color measurement systems, dispensing systems, mixing systems, application systems
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Principal Process Development Engineer
Murrieta, California, United States
$101k-$178k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
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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Process Integration Engineer (ITL)
Temecula, California, United States
$100k-$200k/yr OnsiteFull Time
Skorpios Technologies
Skorpios Technologies: Designs and manufactures silicon photonics for high-speed optical communications
Bachelor's in semiconductor/materials science/chemistry, hands-on experience with deposition, etch, CMP, photolithography, lean/statistical tools, cleanroom and metrology experience, strong teamwork and technical communication skills.
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Failure Analysis Engineer - NDT
Tustin, California, United States
$78k-$97k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
5+ YOEBachelor's degree in materials science, mechanical engineering, physics, or related engineering; 5+ years' hands-on experience; expertise with industrial CT, VG Studio Max, SEM/EDS, optical profilometry, microscopy, and X-ray inspection.
NSI X5000, VG Studio Max, Scanning Electron Microscope (SEM), Energy Dispersive Spectroscopy (EDS), Keyence VR-6000, Keyence VX-series, Zeiss, Olympus, 2D X-ray inspection, CAD
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Sr. Manager, Battery Cell Engineering
Tustin, California, United States
$176k-$220k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Designs and manufactures electric vehicles and charging networks.
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
University of California
University of California: A public research university system providing education and healthcare.
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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Coating Production Manager
Murrieta, California, United States
$101k-$139k/yr OnsiteFull Time
Attalon
Attalon: Designs and manufactures precision optical and laser systems.
5+ YOE5+ MgmtBachelor’s degree in engineering, physics, materials science, or related field; 5+ years in thin-film coating, optics manufacturing, or advanced materials production; technician or operator leadership experience required.
PVD, sputtering, vacuum systems, 6S
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Product Manager
Lake Forest, California, United States
$73k-$105k/yr OnsiteFull Time
Insulectro
Insulectro: Distributes specialized materials for printed circuit board manufacturing.
Bachelor’s degree in engineering/materials science/business or related field; strong interest in technical sales within PCB/electronics; self-motivated, relationship-driven; excellent communication and problem-solving; willing to travel.
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