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350 materials science engineer jobs at 161 companies in California

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Materials Engineer
San Francisco, California, United States
$100k-$140k/yr OnsiteFull Time
Mariana Minerals
Mariana Minerals: Private software-first minerals project developer and operator supplying critical minerals for modern energy, AI, and defense technologies.
MS in materials science, chemistry, materials engineering, or chemical engineering; PhD preferred. Requires materials synthesis, characterization, process design, scale-up, analytical, and communication skills.
XRD, SEM, TEM, BET, TGA/DSC, OLI systems
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Materials Engineer II
Lake Forest, California, United States
$80k-$100k/yr OnsiteFull Time
Bal Seal Engineering
Bal Seal Engineering: Custom-engineered seals, springs, and electrical contacts manufacturer serving aerospace, medical, industrial, and other OEMs.
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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1w
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Sr. Materials Engineer
Riverside or Los Angeles
$115k-$130k/yr OnsiteFull Time
Bourns
Bourns: Privately held electronic-components manufacturer serving automotive, industrial, consumer, communications, healthcare, and audio markets.
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, Polymer Development
Hawthorne, California, United States
$100k-$160k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
2+ YOEBachelor's degree in chemistry, polymer science, or materials science and engineering, plus 2+ years of polymer formulation, chemical synthesis, polymer chemistry, or non-metallic materials engineering experience.
FTIR, TGA, DSC, DMA, TMA, TPS, NMR, UV-Vis, GPC, GC, MS
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Staff Materials Engineer
San Diego, California, United States
$148k-$162k/yr OnsiteFull Time
Tempo
Tempo: Private energy-technology developing thermochemical storage systems for industrial heat and grid storage.
5+ YOEMS in ceramics engineering, materials science, or similar required; 5–10 years of hands-on formulations, characterization, and analysis experience. Ceramic manufacturing, quality, process control, failure analysis, and supplier qualification expertise preferred.
Statistical Process Control (SPC), Design of Experiments (DOE), Measurement System Analysis (MSA), Scanning Electron Microscopy (SEM), X-Ray Diffraction (XRD)
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Materials Engineer - Interior & Exterior Trim
Irvine, California, United States
$86k-$107k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Electric adventure vehicle and technology manufacturer.
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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Chemical / Materials Engineer – Space Solar
Hawthorne, California, United States
$125k-$160k/yr OnsiteFull Time
Starpath Robotics
Starpath Robotics: Space technology developing power and propellant technologies for permanent human civilization on the Moon and Mars.
1+ YOEBachelor's or master's degree in chemistry, chemical engineering, materials science, applied physics, or related field; 1+ year hands-on experience with photovoltaic, optoelectronic, polymer, or related materials; experiment and data analysis skills.
XRD, XPS, FTIR, DSC, TGA, SEM, AFM, Python, MATLAB, EQE
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Senior Materials and Process Engineer
Menlo Park, California, United States
$126k-$148k/yr OnsiteFull Time
Mainspring Energy
Mainspring Energy: Private U.S. power infrastructure manufacturing and deploying fuel-flexible linear generators for utilities, data centers, and enterprises.
5+ YOEMS in Materials Science/Engineering or Mechanical Engineering plus 5 years, or PhD plus 3 years; expertise in graphite, tribology, FMEA, statistical analysis, and materials process development.
Matlab, Python, Google Sheets, Microsoft Excel, Weibull++
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Materials Characterization Engineer
Fremont, California, United States
$125k-$155k/yr HybridFull Time
E Ink Corporation
E Ink CorporationTWSE: 8069: Private U.S. electronic-paper display technology supplying electronic ink and displays to brands and manufacturers.
5+ YOEBachelor's degree in chemistry, chemical engineering, materials science, or related field, plus 5+ years of industrial experience in analytical chemistry, materials characterization, or a related laboratory environment.
Gage R&R
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Materials Engineer: Metal Additive Manufacturing
Malibu, California, United States
$81k-$99k/yr OnsiteFull Time
HRL Laboratories
HRL Laboratories: Private research and development laboratory serving automotive, aerospace, defense, commercial, and government customers.
0+ YOEEngineering or physical sciences degree, 0–3 years of experience, CAD and engineering programming knowledge, additive manufacturing and mechanical characterization experience, scientific data analysis, communication, and U.S. citizenship with clearance eligibility.
Laser Powder Bed Fusion (LPBF), 3D printers, CAD, SolidWorks, Python, MATLAB, Mathematica, Pycnometry, X-ray computed tomography, Optical microscopy, Scanning electron microscopy, Mechanical testing, Instrumentation, Data acquisition
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1w
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Materials and Process Engineer (Mid/ Senior)
El Segundo, California, United States
$105k-$167k/yr OnsiteFull Time
Hybron
Hybron: American aerospace and defense composites manufacturer producing lightweight carbon-fiber components for aircraft, unmanned systems, and munitions.
3+ YOEBachelor's degree in engineering or science, 3+ years of composite materials industry experience for mid-level or 5+ years with technical leadership for senior-level, materials characterization, testing, failure analysis, and U.S. Person status required.
Thermogravimetric Analysis (TGA), Dynamic Mechanical Analysis (DMA), Differential Scanning Calorimetry (DSC), Thermal Mechanical Analysis (TMA), JMP, Minitab, AS9100, NADCAP, MIL-SPEC
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4d
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AI Materials Research Engineer
Santa Clara, California, United States
$170k-$234k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Global leader in materials engineering for the semiconductor industry.
2+ YOEMS or PhD in materials science, computational materials science, physics, chemical engineering, or related field; 2–5 years’ experience; Python and ML expertise with computational materials methods.
Python, PyTorch, TensorFlow, Scikit-Learn, Density Functional Theory (DFT), Molecular Dynamics (MD), Kinetic Monte Carlo (kMC), VASP, Quantum Espresso, CP2K, LAMMPS, GROMACS, Materials Project, OQMD, NOMAD, Graph Neural Networks (GNNs)
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Materials Research Engineer -- Principal Engineer
San Jose, California, United States
$158k-$210k/yr OnsiteFull Time
Western Digital
Western DigitalNASDAQ: WDC: Building storage infrastructure for the AI-driven data economy.
Ph.D. in materials science, physics, electrical engineering, or related field; expertise in emerging materials and devices; hands-on UHV deposition and film characterization experience; nanofabrication and research project leadership skills.
Ultra-high vacuum (UHV), X-ray Diffraction (XRD), X-ray Fluorescence (XRF), X-ray Photoelectron Spectroscopy (XPS), Atomic Force Microscopy (AFM)
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1mo
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Materials and Process Engineer 3/4
Woodland Hills, California, United States
$104k-$194k/yr OnsiteFull Time
Northrop Grumman
Northrop GrummanNYSE: NOC: Global aerospace and defense technology.
5+ YOEActive US Secret clearance, STEM bachelor's (materials science preferred), 5+ years engineering experience (Principal) or 8+ years (Sr Principal), metallurgy and manufacturing process knowledge, lab/ metallography experience.
SEM
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Manager, Stage Materials & Processes Engineering
Long Beach, California, United States
$150k-$224k/yr OnsiteFull Time
Relativity Space
Relativity Space: Aerospace developing 3D-printed rockets and launch services.
6+ YOE2+ MgmtBachelor's in materials science/engineering or related field,6+ years materials & process engineering experience,2+ years leading technical teams,proficiency in M&P qualification,failure analysis,and experimental design.
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Failure Analysis Engineer - Materials
South San Francisco, California, United States
OnsiteFull Time
Zipline
Zipline: Autonomous logistics and drone delivery service.
3+ YOERequires 3+ years of hands-on failure analysis, materials science, materials engineering, or related hardware engineering experience; expertise in physical evidence investigations and materials characterization techniques; US work authorization.
Scanning Electron Microscope (SEM), Energy-Dispersive X-ray Spectroscopy (EDS), Computed Tomography (CT), Fourier-Transform Infrared Spectroscopy (FTIR), X-ray inspection, Differential Scanning Calorimetry (DSC), Thermogravimetric Analysis (TGA)
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Staff Engineer - SSRL Materials Science Division
Menlo Park, California, United States
$118k-$278k/yr OnsiteFull Time
SLAC National Accelerator Laboratory
SLAC National Accelerator Laboratory: Department of Energy national laboratory operated by Stanford University, conducting multidisciplinary research and providing X-ray facilities worldwide.
4+ YOEBachelor's degree in engineering, physics, chemistry, or related field plus 4+ years' experience; requires x-ray instrumentation, in-situ design, CAD, fabrication, scientific programming, controls, project leadership, and troubleshooting skills.
SolidWorks, Solid Edge, Python, Linux, Windows, EPICS, SPEC, ICS
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1w
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Materials Engineering Intern (Summer 2027)
Hawthorne or Los Angeles or El Segundo
$30-$35/hr OnsiteFull Time, Internship
Freeform
Freeform: AI-native metal 3D-printing manufacturer serving aerospace, defense, energy, semiconductor, automotive, and other industrial customers.
Currently pursuing a bachelor's degree in materials science, materials engineering, metallurgy, mechanical engineering, or a similar discipline; requires experimental design and statistical data analysis skills.
laser powder bed fusion (LPBF), Scanning Electron Microscope (SEM), Instron, R, JMP, Minitab
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6d
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Materials Analyst, TEM
Milpitas, California, United States
$85k-$100k/yr OnsiteFull Time
EAG Laboratories
EAG Laboratories: -owned materials testing and engineering laboratory serving technology, aerospace, medical-device, chemical, and semiconductor companies.
Bachelor's or master's degree in materials science, engineering, or related field, or equivalent industry experience; TEM operation, sample preparation, electron microscopy, semiconductor physics, and failure analysis experience required.
Transmission Electron Microscopy (TEM), Scanning Transmission Electron Microscopy (STEM), Energy-Dispersive X-ray Spectroscopy (EDX), Electron Energy Loss Spectroscopy (EELS), FEI TEM, Oxford, Bruker EDS, Gatan EELS, Digital Micrograph
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Materials Scientist – Surface Chemistry & Adhesion
Aliso Viejo, California, United States
$120k-$140k/yr OnsiteFull Time
RxSight
RxSightNasdaq: RXST: Public ophthalmic medical-device making adjustable intraocular lenses for patients after cataract surgery.
Ph.D. in materials science, surface science, polymer science, chemistry, chemical engineering, or related field; expertise in polymer interfaces, adhesion, surface modification, coatings, experiments, characterization, and regulated product development.
Microsoft Office, Spreadsheet Software, AFM, SEM/EDS
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