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32 materials science engineer jobs at 25 companies in Moreno Valley, 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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2mo
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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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Composites Materials and Process Engineer (US)
Anaheim, California, United States
$123k-$168k/yr OnsiteFull Time
Syensqo
SyensqoEuronext Brussels: SYENS: Develops specialty chemicals and advanced materials for global industries.
5+ YOEBachelor's in engineering or materials science required; 5+ years' experience in composites R&D, 2+ years reviewing composite part designs, 3+ years in composite materials/process R&D, aerospace industry experience, strong problem solving and communication.
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Materials Scientist – Surface Chemistry & Adhesion
Aliso Viejo, California, United States
$120k-$140k/yr OnsiteFull Time
RxSight
RxSightNASDAQ: RXST: Develops and manufactures adjustable intraocular lenses for 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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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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Senior Research Engineer
Huntington Beach, California, United States
$120k-$145k/yr OnsiteFull Time
Dunlop Sports Americas
Dunlop Sports Americas: Designs and manufactures premium golf and racket sports equipment.
5+ YOEBachelor's degree or higher in engineering, materials science, or physics, plus 5+ years of golf or sporting goods engineering experience. Product development, FEA, and CAD experience preferred.
Finite Element Analysis, Finite Element Analysis (FEA), Computer Aided Design (CAD)
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Lead Application Engineer
Irvine or Irvine
$108k-$140k/yr OnsiteFull Time
Henkel
HenkelXETRA: HEN3: Manufactures laundry, beauty, and adhesive products globally.
5+ YOEDegree in engineering or materials science required; 5+ years (PhD) or 7+ years (BSc/MSc) experience in R&D/application engineering; customer support, SMT/encapsulant knowledge, material handling and statistical analysis (MinTab/JMP) experience; global travel up to 25%.
MinTab, JMP
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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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Solution Engineer - Applications II
Garden Grove, California, United States
$82k-$127k/yr OnsiteFull Time
Saint-Gobain
Saint-GobainEuronext Paris: SGO: Designs, manufactures, and distributes materials for building and industry.
5+ YOEBachelor's degree in materials, chemical, mechanical, or polymer engineering/science required; 5+ years in specialized industries or manufacturing; SolidWorks or AutoCAD proficiency; engineering drawings and GD&T experience.
SolidWorks, AutoCAD, GD&T
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Senior Electronics Components Engineer
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOEBachelor’s in Electrical/Computer Engineering or Materials Sciences; 5+ years component engineering experience; lab prototyping; experience with extreme environments; US person status.
Oscilloscopes, DMM, Embedded software, C, Linux, SPI, ADCs
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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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Thin Film Engineer
Irvine, California, United States
$80k-$100k/yr OnsiteFull Time
MKS Instruments
MKS InstrumentsNASDAQ: MKSI: Supplies process control instruments and chemicals for semiconductor manufacturing.
2+ YOEBachelor's in Materials Science/Physics/Engineering, 2+ years thin film manufacturing experience, strong troubleshooting and communication skills, proficiency with Microsoft Excel and PowerPoint.
Microsoft Excel, PowerPoint
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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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Process Engineer II (85558)
El Monte, California, United States
$84k-$101k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufacturer of high-performance composite materials for aerospace and aviation.
2+ YOEB.S. in engineering or science, 2+ years manufacturing experience, strong mechanical aptitude, Lean manufacturing knowledge, MS Office proficiency; composite/materials experience and programming/CAD a plus.
Microsoft Word, Microsoft Excel, Microsoft PowerPoint, Microsoft Project, VBA, C, C++, CATIA, Solidworks, AutoCAD, SAP, Minitab
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Sr. Packaging Engineer (Irvine, CA, US)
Irvine, California, United States
$91k-$177k/yr OnsiteFull Time
Skyworks Solutions
Skyworks SolutionsNASDAQ: SWKS: Designs and manufactures analog and mixed-signal semiconductor solutions.
5+ YOEBachelor's degree in engineering or materials science, 5+ years experience in semiconductor packaging, expertise in failure analysis, material interaction, yield improvement, SPC/FMEA/Six Sigma knowledge, strong communication and problem-solving skills.
Cadence Allegro, AutoCAD
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2mo
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PCB Process Engineer - Wet Process
Santa Ana, California, United States
$68k-$100k/yr OnsiteFull Time
Pioneer Circuits
Pioneer Circuits: A privately held U.S. manufacturer of high-performance flexible and rigid printed circuit boards serving aerospace and defense customers.
2+ YOEBachelor's in chemical engineering or materials science, 2+ years wet process engineering in PCB manufacturing, knowledge of PCB fabrication (rigid/flex/rigid-flex), ERP and Minitab proficiency, GD&T interpretation, OSHA/EPA compliance experience.
ERP, Minitab, E-Verify
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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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2mo
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Sr. Staff Thermo-Mechanical Engineer
Santa Clara or Irvine or Westlake Village
$118k-$177k/yr OnsiteFull Time
Marvell
MarvellNASDAQ: MRVL: Designs and develops high-performance semiconductor and infrastructure solutions.
5+ YOEBachelor’s degree in Electrical/Computer Science or related field with 5-10 years experience, or Master’s/PhD with 3-5 years; strong thermo-mechanical FEA and multi-material systems experience; proficiency with ANSYS/Abaqus/COMSOL; semiconductor packaging knowledge.
ANSYS, Abaqus, COMSOL, Python, MATLAB
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Associate Sales Engineer – Southern California
Norwood or Aliso Viejo or California or Boston
$80k-$90k/yr FieldFull Time
ITW
ITWNYSE: ITW: Global manufacturer of specialized industrial equipment and consumables.
0+ YOETechnical bachelor's degree in engineering, materials science, physics, or similar; 0–5 years relevant experience; mechanical aptitude, communication, problem-solving, customer relationship, and independent work skills.
CRM
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Technical Intern, Advanced Analysis Fall 2026
Newport Beach, California, United States
$29-$37/hr OnsiteMultiple Commitments Available
Simpson Gumpertz & Heger
Simpson Gumpertz & Heger: Engineering firm specializing in structural design and building enclosures.
Current student in civil/structural engineering, materials science, architecture, or related field; strong academics; strong communication; interest in field and site work.
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