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18 materials scientist jobs at 8 companies in Fontana, CA

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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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3mo
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Materials Scientist — Organic Crystal Growth & Process Engineering
Pasadena, California, United States
$154k-$217k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
3+ YOEPhD in chemical/ materials science or related field; 3+ years experience; strong materials development and characterization background.
COMSOL Multiphysics, Ansys Fluent, Siemens FLOEFD/StarCCM+, NX, SolidWorks, CNC machining, 3D printing, NMR, GC/MS, LC/MS, SEM, AFM, XRD, DSC, TGA
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AI Research Scientist — Agentic AI for Materials Discovery
Redmond or Pasadena
$184k-$257k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
2+ YOEBachelor's or PhD in a technical field; 2+ years with LLMs/prompts; Python and ML frameworks; experience building end-to-end AI systems; domain familiarity in chemistry or materials.
Python, PyTorch, JAX, React, HPC, DFT, MD, Monte Carlo, tool-use agents, retrieval-augmented generation, knowledge graphs
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2mo
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Applied Scientist, Materials and Process Development, AWS Center for Quantum Computing
Pasadena, California, United States
$143k-$193k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
PhD in engineering, physics, or materials science; expertise in thin-film deposition and 200 mm wafer scale; strong materials characterization and cross-functional collaboration.
Thin-film deposition, Materials characterization, Semiconductor process integration
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Applied Scientist, Materials Characterization and Simulations, Amazon Center for Quantum Computing
Pasadena, California, United States
$143k-$193k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
PhD in a relevant field; expertise in materials characterization and computational modeling; experience with cross-team collaboration; proficient in scientific programming.
scientific programming, computational modeling, materials characterization techniques
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Project Scientist Position 2026-2027
Irvine, California, United States
$104k-$229k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Ph.D. in Materials Science or related field required; experience in advanced materials, manufacturing, characterization, biomaterials, energy materials, modeling, or nanoscale materials preferred.
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Senior Scientist / Engineer
Los Angeles, California, United States
OnsiteFull Time
Arcturus
Arcturus: Develops carbon nanomaterial-infused metal composites for high-performance conductors.
3+ YOE3+ years in materials R&D, processing, or additive manufacturing; hands-on experimental focus; strong documentation and data analysis.
Raman spectroscopy, SEM/EDS, Optical microscopy, Electrical testing, Thermal testing, Hardness testing, CVD/LCVD, Laser processing, LPBF, DED
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Scientist-Engineer III (85113)
El Monte, California, United States
$111k-$134k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufacturer of high-performance composite materials for aerospace and aviation.
5+ YOEB.S. in a scientific or engineering field required; advanced degree desirable. Training in composite technology or mechanical/analytical testing; 5+ years working with composite materials or resin formulations; IP experience a plus. ITAR (U.S. person) required.
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Scientist-Engineer III (85113)
El Monte, California, United States
$111k-$134k/yr OnsiteFull Time
The Gill Corporation
The Gill Corporation: Manufactures high-performance composite materials and components for aerospace industries.
5+ YOEB.S. in a scientific or engineering field; 5+ years working with composite materials or resin formulations; training in composite technology or mechanical/analytical testing; advanced degree desirable; experience with IP a plus; ITAR requires U.S. person status.
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Open Positions - Project Scientist Series
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Submit CV and contact information for 3-5 references; accepting all applicants; application materials include CV and optional cover letter and research statement.
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Project Scientist - CSST or CAC
Irvine or Los Angeles or San Diego or Orange County
$71k-$129k/yr FieldFull Time
TRC Companies
TRC Companies: Engineering and environmental consulting for infrastructure and energy projects.
2+ YOE2+ years regulated materials/industrial hygiene experience, Bachelor's in Environmental Science/OHS, CAC or CSST required, CIH preferred, valid driver\u0002s license, able to travel and perform site fieldwork.
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Project Scientist - CSST or CAC
Irvine, California, United States
$29-$45/hr FieldPart Time
TRC Companies
TRC Companies: Engineering and environmental consulting for infrastructure and energy projects.
2+ YOE2+ years in regulated materials/industrial hygiene, bachelor’s degree in environmental science or related field, CAC or CSST required, CIH preferred, valid driver’s license, ability to pass background/drug/physical checks.
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Project Scientist - CSST or CAC
Los Angeles, California, United States
$71k-$129k/yr FieldFull Time
TRC Companies
TRC Companies: Engineering and environmental consulting for infrastructure and energy projects.
2+ YOE2+ years experience in regulated materials and industrial hygiene; Bachelor's in Environmental Science or Occupational Health and Safety; CAC or CSST required; valid driver\u007Flicense and ability to travel and work in attics, roofs, and crawl spaces.
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III-V & Active Laser Scientist
Temecula, California, United States
$175k-$185k/yr OnsiteFull Time
Skorpios Technologies
Skorpios Technologies: Designs and manufactures silicon photonics for high-speed optical communications
10+ YOEPh.D. preferred or MS in physics/EE/material science; 10+ years in photonics device design; lasers, MZM, photodiode physics; startup mindset.
Ansys Lumerical, Zemax, Speos, JMP, Minitab
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2mo
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AI Research Scientist - Machine Learning for Behavioral AI
Pasadena, California, United States
$154k-$217k/yr OnsiteFull Time
Meta
MetaNASDAQ: META: Develops social networking platforms and virtual reality technologies.
3+ YOEDoctoral or advanced experience in ML for generative modeling; experience in molecular/ materials design; strong Python + PyTorch/JAX; publications in top venues.
Python, PyTorch, JAX, DFT, Molecular Dynamics, LAMMPS, OpenMM, ASE
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Quantum Fab R&D Scientist, Amazon Center for Quantum Computing
Pasadena, California, United States
$126k-$170k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Global online retail and cloud computing technology provider.
Bachelor's degree or above in engineering, materials science, or physics; experience fabricating superconducting quantum circuits or packaging components; strong data analysis, problem-solving, communication, and teamwork skills.
Python, Java, C++
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Sr. III-V & Active Modulator/Photodiode Scientist
Temecula, California, United States
$140k-$180k/yr OnsiteFull Time
Skorpios Technologies
Skorpios Technologies: Designs and manufactures silicon photonics for high-speed optical communications
5+ YOESenior-level expert in InP MZM design/characterization; MS/PhD in physics/EE/materials; extensive industrial experience; strong analytical and communication skills.
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Project Scientists - Open Ranks 2026-27
Irvine, California, United States
$79k-$209k/yr OnsiteFull Time
University of California
University of California: A public research university system providing education and healthcare.
Ph.D. in chemistry or a related field required; expertise in one of inorganic, organic/chemical biology, physical/analytical, polymer/materials/nanoscience, or theoretical chemistry; apply with CV, cover letter, and references.
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