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1,113 materials engineer jobs at 422 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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2mo
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Materials Engineer
Marina, California, United States
$87k-$138k/yr OnsiteFull Time
Joby Aviation
Joby AviationNYSE: JOBY: Developing electric vertical take-off and landing (eVTOL) aircraft.
2+ YOEB.S. in materials-related engineering,2+ years in metallic materials characterization or manufacturing,knowledge of metallic powder handling and AM processes,experience with microscopy/hardness/mechanical testing,and strong written/verbal communication.
X-ray CT
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1mo
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Materials Engineer II
Torrance, California, United States
$115k-$150k/yr OnsiteFull Time
Antares Nuclear
Antares Nuclear: Factory-produced, deployable fission microreactors to provide strategic energy for mission-critical systems across Earth, space, and underseas.
2+ YOEBachelor's in materials/mechanical engineering, 2+ years materials engineering experience, proficiency in optical/electron microscopy and mechanical property evaluation, materials characterization and failure analysis.
optical microscopy, electron microscopy
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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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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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Sr. Materials Engineer, Materials Laboratory
Hawthorne, California, United States
$135k-$190k/yr OnsiteFull Time
SpaceX
SpaceXNasdaq: SPCX: Designing, manufacturing, and launching advanced rockets and spacecraft.
5+ YOEBachelor's in materials or related field, 5+ years materials lab engineering experience, hands-on with mechanical/thermal/characterization testing, proficiency with Python or MATLAB, experience with SEM/EDS/XRD/TGA/DSC/DMA/Gleeble, ability to lift 25 lbs and work extended hours/weekends.
Python, MATLAB, SEM, EDS, XRD, FTIR, spark OES, pycnometer, TGA, DSC, DMA, Gleeble, ASTM, ISO
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Staff Materials Engineer, Design Allowables & Materials Data
Costa Mesa, California, United States
$166k-$220k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology developing AI-powered autonomous military systems.
8+ YOEBachelor's in materials-related field,8+ years materials/process engineering experience in aerospace/defense,expertise in materials characterization,design allowables,materials data management,and ability to obtain U.S. Top Secret clearance.
Lattice OS, MMPDS, CMH-17
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Materials & Process Engineer
Los Angeles, California, United States
$140k-$190k/yr OnsiteFull Time
General Matter
General Matter: American private nuclear-fuel developing domestic uranium enrichment for advanced-reactor fuel.
5+ YOEBachelor's degree in engineering, 5+ years of materials or process engineering experience, hands-on materials qualification through production, metallic materials breadth, and ability to obtain required security clearance.
SEM, FTIR, ASTM, ASME, AWS, NACE
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Materials Engineer
Sunnyvale, California, United States
$88k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Knowledge of non-metallic materials and ASTM, AMS, or MIL specifications; strong communication skills; U.S. citizenship and ability to obtain or maintain Secret clearance required.
ASTM, AMS, MIL
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Materials Engineer
Sunnyvale, California, United States
$88k-$164k/yr OnsiteFull Time
Lockheed Martin
Lockheed MartinNYSE: LMT: Global security and aerospace driving innovative defense solutions.
Knowledge of non-metallic materials, ASTM, AMS, or MIL specifications, strong communication skills, U.S. citizenship, and ability to obtain or maintain a Secret clearance. Bachelor's degree preferred.
ASTM, AMS, MIL, AI
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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/Welding Engineer
Rancho Bernardo or San Diego
$69k-$116k/yr OnsiteFull Time
General Atomics Electromagnetic Systems (GA-EMS)
General Atomics Electromagnetic Systems (GA-EMS): Private U.S. defense technology division developing electromagnetic, power, space, and nuclear systems for government and commercial customers.
2+ YOEBachelor's in engineering (or equivalent experience); 2+ years engineering experience (5+ preferred) in materials/welding; knowledge of welding codes (AWS, NAVSEA), materials review, supplier audits, and weld qualification; US citizenship required.
SAP
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Materials & Process Engineer
Torrance, California, United States
$85k-$165k/yr OnsiteFull Time
Stellant Systems
Stellant Systems: Private manufacturer of high-power RF and spectrum amplification components for space, defense, medical, scientific, and industrial customers.
2+ YOEBachelor’s or postgraduate degree in materials, mechanical, chemical, or related engineering; 2–9+ years by level; welding, materials processing, laboratory testing, technical documentation, and problem-solving experience.
Laser Welding, TIG, Gas Tungsten Arc Welding (GTAW), Resistance Welding, SEM, XPS, microscopy, DSC, XRF, X-Rays, Microsoft Office
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2mo
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Materials & Process Engineer
Torrance, California, United States
$100k-$165k/yr OnsiteFull Time
Stellant Systems
Stellant Systems: Private manufacturer of high-power RF and spectrum amplification components for space, defense, medical, scientific, and industrial customers.
4+ YOEProvide engineering support for materials and joining processes including welding, brazing, soldering, cleaning, plating, and laboratory testing; develop specs, troubleshoot, and train operators.
SEM, XPS, microscopy, DSC, XRF, X-Rays, Microsoft Office
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R&D Materials Engineer Intern
South San Francisco, California, United States
$35/hr OnsiteInternship
Neuralink
Neuralink: Private neurotechnology developing implantable brain-computer interfaces for people with unmet medical needs.
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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2mo
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Senior Materials Engineer - Metals
Tustin or Plymouth or Normal
$99k-$123k/yr OnsiteFull Time
Rivian
RivianNASDAQ: RIVN: Electric adventure vehicle and technology manufacturer.
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
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Materials Engineer, Additive Manufacturing
Los Angeles, California, United States
$150k-$220k/yr OnsiteFull Time
Hadrian Additive
Hadrian Additive: Hadrian manufactures precision components in automated factories.
4+ YOEMaster's in materials or related field, 4+ years qualifying additive manufacturing processes (LPBF/DED), alloy knowledge, materials testing and metallurgical analysis, DOE and statistical analysis, ability to author specs and qualification docs.
MMPDS, NADCAP, AMS7000, AS9100, ASTM, AMS
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Materials and Process Engineer
Torrance, California, United States
$105k-$160k/yr OnsiteFull Time
Robinson Helicopter Company
Robinson Helicopter Company: Private American manufacturer of civil helicopters and unmanned aircraft serving training, utility, public-safety, and defense operators.
Hands-on materials and process engineering for material selection, testing, failure investigation, process improvement, and compliance with 14 CFR Part 27.
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Principal TPS Materials Engineer
Playa Vista, California, United States
$175k-$244k/yr OnsiteFull Time
Inversion Space
Inversion Space: Privately held aerospace building autonomous reentry vehicles for defense, logistics, and rapid cargo delivery from orbit.
12+ YOEBachelor's degree or equivalent experience, 12+ years developing materials for extreme temperatures, ablative or ceramic composite experience, characterization testing, fabrication scale-up, and Secret/Top Secret clearance eligibility.
automated tape winding, mandrel tooling, FIAT, CHAR, PATO, TGA, DSC, laser flash, dilatometry, autoclave, oven cure
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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: Multinational energy focusing on oil, gas, and renewables.
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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