34 characterization jobs at 23 companies in Fontana, CA

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Materials Characterization Technician II
Long Beach, California, United States
$26-$35/hr OnsiteFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
2+ YOE2+ years machining experience operating/programming CNC lathes, mills, or EDM; machine maintenance and calibration; inspection with calipers/micrometers; interpreting engineering drawings and specifications.
CNC lathes, CNC mills, wire EDM machines, CAD, G-code, CAD/CAM software, calipers, micrometers, dial indicators
1mo
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Environmental Characterization/Remediation Geologist/Hydrogeologist
Irvine, California, United States
$71k-$107k/yr HybridFull Time
Jacobs
JacobsNYSE: J: Global provider of professional engineering and technical services.
3+ YOEBachelor's in geology or related field, 3+ years delivering environmental site characterization/remediation projects, 40-hr HAZWOPER (or ability to attain), EMR not specified, strong verbal/written communication and field oversight skills.
2mo
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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
6d
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Territory Sales Manager Material Characterization
Los Angeles, California, United States
$105k-$118k/yr RemoteFull Time
Anton Paar
Anton Paar: Manufacturer of high-precision analytical instruments and process measurement systems.
Experience in technical or analytical-instrument sales preferred; bachelor's or master's in natural science or engineering; strong communication and presentation skills; valid driver's license and passport; ability to travel up to 50-60% and work independently.
3mo
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Senior Process Engineer Solar
Los Angeles, California, United States
$140k-$175k/yr OnsiteFull Time
K2 Space
K2 Space: Develops high-power satellite platforms for heavy-lift launch vehicles.
5+ YOEBachelor’s in a technical field; 5+ years in materials/process engineering; experience with solar array processes and characterization.
SEM, EDS, FTIR, DSC, TGA, XRD, Python, MATLAB
2mo
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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
2mo
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Silicon Validation Engineer
Los Angeles or San Francisco Bay Area
OnsiteFull Time
Apple
AppleNASDAQ: AAPL: Designs and sells consumer electronics, software, and online services.
Bachelor’s degree; experience with high-speed SerDes, CTLE/DFE/PLL; lab characterization; Python programming; knowledge of USB, PCIe, DP protocols.
High-Speed Oscilloscope, BERT, Python, SerDes, CTLE, DFE, FFE, CDR, PLL
2w
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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.
2mo
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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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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
1w
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Sr Scientist I Analytical Chemistry- Mass Spec
Irvine, California, United States
$97k-$184k/yr OnsiteFull Time
AbbVie
AbbVieNYSE: ABBV: Develops and sells innovative pharmaceutical and biopharmaceutical medicines.
Extensive mass spectrometry experience (LC-MS, TOF, Orbitrap) for protein characterization, method development, and regulatory-compliant analytical work; advanced degree or equivalent experience expected.
LC-MS, TOF, Orbitrap, mass spectrometry
1w
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Sr. RFIC Design Engineer (RFIC Engineering)
Redmond or Irvine or Palo Alto
OnsiteFull Time
SpaceX
SpaceX: Designs and launches advanced rockets and satellite internet constellations.
5+ YOEBachelor's in EE/CE/CS,5+ years RF integrated circuit experience,ability to design and characterize RF/analog/mixed-signal ICs;ITAR-eligible status required.
Spectre, ADS, HFSS, Momentum, spectrum analyzer, vector signal analyzer, vector signal generator, network analyzer
1mo
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Scientist III, Process Chemistry (Antibody-siRNA Conjugates)
Madison or Pasadena or San Diego or Verona
$110k-$125k/yr OnsiteFull Time
Arrowhead Pharmaceuticals
Arrowhead PharmaceuticalsNASDAQ: ARWR: Develops RNAi medicines to treat genetic and intractable diseases.
PhD or BS/MS with industry experience; hands-on siRNA conjugation development; knowledge of oligonucleotide/antibody chemistry, linker design, purification and analytical characterization; GMP scale-up and CRO/CDMO oversight.
HIC, SEC, IEX, LC-MS, AEX, chromatography, TFF/UF-DF
4w
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Senior Thin Film Engineer
Irvine, California, United States
$100k-$140k/yr OnsiteFull Time
MKS Instruments
MKS InstrumentsNASDAQ: MKSI: Supplies process control instruments and chemicals for semiconductor manufacturing.
3+ YOEBachelor's in Materials Science, Physics, or Engineering; 3+ years thin film manufacturing experience; experience with deposition chamber hardware, troubleshooting, and process characterization; strong communication; Microsoft Excel and PowerPoint proficiency.
Microsoft Excel, Microsoft PowerPoint
3d
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Systems Engineer II
Irvine, California, United States
$84k-$134k/yr OnsiteFull Time
BD
BDNYSE: BDX: Manufactures medical devices, surgical instruments, and pharmacy automation systems.
2+ YOEBachelor's in engineering, minimum 2 years systems engineering or product development experience, system-level characterization, test development, risk analysis, statistical methods; familiarity with medical device standards and embedded systems preferred.
Polarion, RV&S, Python, MATLAB
2w
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Engineering Technician 2
Irvine, California, United States
OnsiteTemporary
Skyworks Solutions
Skyworks SolutionsNASDAQ: SWKS: Designs and manufactures analog and mixed-signal semiconductor solutions.
1+ YOEAA with 1–2 years materials characterization/semiconductor packaging experience or BA in EE/Materials/Physics; hands-on cross-section prep, SEM/EDX, X-ray, optical microscopy, documentation and problem-solving skills.
SEM/EDX, X-ray inspection, optical microscopy, MS Office Suite
1w
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Senior Battery Engineer (Drones)
Costa Mesa, California, United States
$146k-$194k/yr OnsiteFull Time
Anduril Industries
Anduril Industries: Defense technology building autonomous military hardware and software.
5+ YOE5+ years designing, testing, and troubleshooting energy storage systems; bachelor\u0002s in engineering or physical sciences; experience with battery pack design, BMS concepts, cell characterization, CAD, and safety standards; U.S. Person required.
Lattice OS, Matlab, Simulink, CATIA, NX, SolidWorks, DFMEAs
1mo
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Senior Staff / Principal Product Engineer
Aliso Viejo, California, United States
OnsiteFull Time
indie Semiconductor
indie SemiconductorNASDAQ: INDI: Develops next-generation semiconductors and software for automotive sensing and connectivity.
5+ YOEBachelor's in Electrical Engineering, 5+ years product engineering experience in semiconductors, ATE and bench characterization experience, proficiency with Microsoft Excel/JMP/YieldHub, knowledge of JEDEC and AEC-Q100, strong statistical and cross-functional collaboration skills.
ATE, Microsoft Excel, JMP, YieldHub
3w
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Brownfields Mid-Level Environmental Scientist (Field Oversight – West)
Los Angeles or Seattle or Idaho or Dallas or Chicago
$56k-$80k/yr RemoteFull Time
Toeroek Associates
Toeroek Associates: Provides environmental and technical consulting services to government entities.
4+ YOEBS in engineering/geology/environmental science,4+ years contaminated-site characterization/remediation experience,Phase I/II ESA experience,knowledge of federal/state cleanup laws,Microsoft Excel proficiency,periodic travel required.
Microsoft Excel
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Senior Staff Engineer, Analog Mixed Signal Design
Irvine or California
$146k-$201k/yr OnsiteFull Time
Infineon Technologies
Infineon TechnologiesFrankfurt Stock Exchange: IFX: Designs and manufactures semiconductors for power and IoT systems.
3+ YOEPhD (3–5 yrs) or MS EE (5–7 yrs) with strong analog/high-speed design experience in ADC/DAC, amplifiers, PLLs, regulators and FinFET nodes; lab characterization and silicon debug; strong communication.