109 characterization jobs at 63 companies in Vallejo, CA

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Process Characterization Technician
Fremont, California, United States
$28-$40/hr OnsiteFull Time
Bloom Energy
Bloom EnergyNYSE: BE: Manufactures solid oxide fuel cell systems for onsite power.
Execute process characterization experiments, collect and analyze process/metrology data, perform defect inspection and characterization, support SPC and root cause investigations in a manufacturing environment.
Microsoft Excel, SEM
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Analytical & Characterization Lead
San Leandro, California, United States
OnsiteFull Time
PHNX Materials
PHNX Materials: Refining coal ash into high-performance industrial materials.
Doctorate in a relevant field and lab leadership experience. Hands-on ownership of multi-instrument characterization (ICP-MS, ICP-OES, XRF), method development/validation, QA/QC, sampling design, and high-volume bench testing.
ICP-MS, ICP-OES, XRF, Isothermal calorimetry, TGA, LOI, R3, LIMS, Synchrotron X-ray absorption spectroscopy
2mo
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PIC Characterization Engineer
Palo Alto, California, United States
$152k-$175k/yr OnsiteFull Time
PsiQuantum
PsiQuantum: Builds fault-tolerant quantum computers using silicon photonics technology.
3+ YOEPh.D. or M.S. in EE/Physics/Photonics, 3+ years photonic characterization experience, hands-on with tunable lasers, OSAs, power meters, scopes, probe stations; strong Python automation and data analysis skills.
tunable lasers, OSAs, power meters, scopes, probe stations, Python
2mo
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Electrical Characterization Engineer (San Francisco, CA, US)
San Francisco, California, United States
$54k-$122k/yr OnsiteFull Time
Capgemini
CapgeminiEuronext Paris: CAP: Provides global IT consulting and digital transformation services.
10+ YOEBS/MS in Electrical Engineering or related field; 10+ years in electronics characterization; lab instrumentation experience; fundamentals of EE; vehicle electrical systems knowledge; Python scripting; firmware with C; Databricks or similar environment (nice to have).
Oscilloscopes, Power supplies, Electronic loads, Digital multimeters, Python, C, Databricks
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Scientist/Senior Scientist, Analytical Development & Characterization – Cell Therapy
Redwood City, California, United States
$160k-$195k/yr OnsiteFull Time
Retro Biosciences
Retro Biosciences: Developing therapies to extend healthy human lifespan.
5+ YOE5+ years industry experience in analytical development/characterization for biologics or cell/gene therapy; hands-on flow cytometry and functional assay development; IND-enabling study design, data documentation, and regulatory knowledge; advanced degree preferred.
flow cytometry
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Sr Metrology and Characterization Engineer
Fremont, California, United States
$136k-$160k/yr OnsiteFull Time
Kyocera SLD Laser
Kyocera SLD Laser: Develops and manufactures high-performance gallium nitride laser light sources.
BS or graduate degree in a physical science/engineering, experience with GaN epitaxy and wafer metrology, hands-on use of XRD/AFM/SEM/PL/RTA, data analysis with JMP/Minitab/Python, and quality system experience (ISO/IATF, MSA, SPC).
XRD, AFM, SEM, PL, optical microscopy, fluorescence microscopy, RTA, profilometry, ellipsometry, interferometry, SIMS, CL, TEM, JMP, Minitab, Python
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Research Scientist, Materials Characterization
Menlo Park or San Francisco
$225k-$325k/yr OnsiteFull Time
Periodic Labs
Periodic Labs: Builds autonomous laboratories for AI-driven scientific discovery.
5+ YOEPhD or advanced degree preferred with 5+ years in physical property characterization; hands-on experience with electronic/magnetic/thermal measurements, cryogenics, low-noise techniques, data analysis, and instrumentation commissioning.
Python, Jupyter, LIMS, PPMS, MPMS
2mo
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Senior Scientist, Large Molecule Characterization
South San Francisco, California, United States
$147k-$191k/yr OnsiteFull Time
Denali Therapeutics
Denali TherapeuticsNASDAQ: DNLI: Developing medicines for neurodegenerative and lysosomal storage diseases.
3+ YOEPhD in analytical chemistry/biophysics/biochemistry with 3+ years CMC protein analytics; MS-based characterization expertise; experience with MS, LC-MS, and protein variants.
Mass spectrometry, LC-MS, HPLC, cIEF, capillary electrophoresis, MAM
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Senior Systems Engineer - Signal Processing, Algorithms and Characterization
Austin or Palo Alto
HybridFull Time
Mythic
Mythic: Develops energy-efficient analog processors for AI inference.
5+ YOEBachelor's in EE/CE/Math/Physics, 5+ years production DSP or RF baseband experience (or <3 yrs with MS/PhD), strong Python and DSP skills, silicon bring-up and characterization experience, strong communication.
Python, NumPy, SciPy, MATLAB
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Mass Spec Scientist Large Molecule Characterization (Temporary Contractor)
San Mateo, California, United States
$70-$85/hr OnsiteContract
EpiBiologics
EpiBiologics: Developing antibody-based therapies to degrade disease-driving membrane proteins.
BS required; onsite daily. Must independently operate/maintain Orbitrap and HPLC; experienced in intact mass, subunit analysis, peptide mapping, N-glycosylation profiling; proteomics experience and Xcalibur/Qual Browser/BioPharma Finder/Byos familiarity preferred.
Orbitrap mass spectrometer, HPLC, Xcalibur, Qual Browser, BioPharma Finder, Byos
2mo
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Materials Scientist/Engineer (Ph.D.)
Menlo Park, California, United States
$140k-$157k/yr OnsiteFull Time
Exponent
ExponentNasdaq: EXPO: Scientific and engineering consulting firm for complex technical challenges.
Ph.D. in Materials Science and Engineering with strong materials characterization experience; excellent communication; ability to work in teams.
2mo
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Staff Scientist, Chemistry
Foster City, California, United States
$140k-$200k/yr OnsiteFull Time
Cellanome
Cellanome: Develops a multi-omics platform for live-cell biological analysis.
5+ YOEPhD in Chemistry, Chemical Engineering, Materials Engineering, or Bioengineering with at least 5 years of relevant experience; extensive knowledge of biomolecule synthesis/characterization and bioconjugation; experience with surface conjugation/particle encapsulation; strong materials characterization and polymer/lipid particle experience; excellen...
UV-Vis spectroscopy, HPLC/UPLC, LC-MS, NMR, FTIR, Fluorescence assays, Colorimetric assays, Bioconjugation chemistries, Surface immobilization, Particle encapsulation, Polymer or lipid-based microparticles or nanoparticles
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Scientist/Sr Scientist – Protein Production and Purification
Palo Alto, California, United States
OnsiteFull Time
Kodiak Sciences
Kodiak SciencesNASDAQ: KOD: Developing biopolymer conjugate therapeutics for retinal vascular diseases.
3+ YOEExpertise in recombinant protein expression and purification (mammalian and bacterial), chromatographic purification, biochemical/biophysical characterization, and independent experimental design and troubleshooting.
HEK293, CHO, ÄKTA FPLC, KingFisher, SDS-PAGE, SEC, DLS, UV-Vis spectroscopy, mass photometry, Isoelectric focusing (IEF)
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Senior Design Engineer
Fremont, California, United States
$92k-$150k/yr OnsiteFull Time
Coherent
CoherentNYSE: COHR: Manufactures lasers, engineered materials, and optical networking components.
3+ YOEPhD in photodiodes or 3+ years relevant experience; expertise in InGaAs/InP photodiodes, device design, characterization, and collaboration with fabrication and test teams.
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Associate Scientist, Peptide Chemistry
San Francisco, California, United States
$90k-$140k/yr OnsiteFull Time
Capable
Capable: Early-stage biotech developing novel peptide-based therapeutics.
Hands-on peptide synthesis experience, ability to run end-to-end workflows, purify and characterize peptides, maintain experimental records, and communicate results clearly.
analytical HPLC, prep HPLC, LC-MS, microwave-assisted solid-phase peptide synthesis
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Electrical Engineer (Systems / Integration / Experimentation)
San Francisco or California
OnsiteFull Time
Midjourney
Midjourney: Independent research lab developing generative AI and medical imaging technology.
Hands-on electrical engineering for scanner system integration, debugging, experiment design for ultrasound/transducer characterization, board/prototype design, and signal processing knowledge.
Altium, KiCad
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
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Process Engineer 4
Fremont, California, United States
$104k-$231k/yr HybridFull Time
Lam Research
Lam ResearchNASDAQ: LRCX: Designs and manufactures wafer fabrication equipment for the semiconductor industry.
3+ YOEExperience in metrology and materials characterization with x-ray and AFM technologies, SPC/DOE knowledge, data analysis skills, and advanced degree or equivalent experience.
XRF, XRR, XRD, AFM, SPC, DOE, Python, AI
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Postdoctoral Fellow - Analytical Development & Quality Control, Bouvarel & Camperi Labs
South San Francisco, California, United States
$100k-$107k/yr OnsiteFull Time
Roche
RocheSIX Swiss Exchange: ROG: Provides innovative pharmaceutical and diagnostic healthcare solutions.
Ph.D. in Analytical Chemistry, Biochemistry, or Chemical Engineering; experience with UHPLC-MS, protein/nucleic acid characterization; strong publications; cross-functional collaboration skills.
UHPLC-MS, HRMS, Orbitrap, BioPharma Finder, Byos, Chromeleon
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Staff Cell Assembly Engineer
Hayward, California, United States
$125k-$167k/yr OnsiteFull Time
Blue Current
Blue Current: Develops silicon solid-state batteries for mobility and stationary storage.
3+ YOEAdvanced degree in engineering or related field with multi-year experience scaling battery cell assembly; hands-on assembly, characterization, and process development skills required.
X-ray imaging, electrochemical impedance spectroscopy, electrochemical characterization, manufacturing execution system (MES), PFMEA