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36 physical scientist jobs at 21 companies in Fairfield, CA

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Physical Scientist (HAZMAT) - Direct Hiring Authority
Sacramento, California, United States
$99k-$129k/yr HybridFull Time
Bureau of Reclamation
Bureau of Reclamation: Manages water and power resources in the Western United States.
1+ YOEBachelor's degree or equivalent coursework in physical science, engineering, or mathematics; one year specialized GS-11 experience; environmental professional qualification and relevant license, certification, or registration required.
USA Hire, Microsoft E-Verify, Adobe Portfolio
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Life Scientist/Environmental Engineer/Physical Scientist
Los Angeles or San Francisco
$104k-$145k/yr OnsiteFull Time
Environmental Protection Agency
Environmental Protection Agency: Protects human health and the environment through federal regulations.
1+ YOERequires U.S. citizenship, a bachelor's or higher degree in biological, physical, or engineering sciences, and one year of specialized experience developing regulations and State Implementation Plan revisions.
State Implementation Plans (SIP), National Ambient Air Quality Standards (NAAQS), Clean Air Act, Microsoft Excel
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Physicist/Scientist III (E3)
Benicia, California, United States
$120k-$165k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Manufacturers of equipment for semiconductor and display production.
Expertise in physics to develop inspection and metrology systems, design experiments, analyze data, troubleshoot systems, and guide junior scientists.
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Interdisciplinary General Engineer/Physical Scientist (Power Up Program Internship)
Berkeley or Oak Ridge or Newport News
$62k-$92k/yr OnsiteMultiple Commitments Available
Department of Energy
Department of Energy: Federal executive department overseeing national energy and nuclear security.
1+ YOERequires an engineering or physical science bachelor's degree, qualifying graduate education, or equivalent experience. GS-9 requires one year of specialized experience or qualifying graduate education.
ABET, USAJOBS, Microsoft Word, Microsoft Excel, Microsoft PowerPoint, PDF, GIF, JPG, JPEG, PNG, RTF, TXT, ODT, DOC, DOCX, SF-15, SF-50, DD-214, FSAFEDS, FEHB, FLTCIP
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Physicist/Scientist III (E3)
Benicia, California, United States
$120k-$165k/yr OnsiteFull Time
Applied Materials
Applied MaterialsNASDAQ: AMAT: Produces equipment and services for chip and display manufacturing.
Design and develop inspection and metrology systems, perform experiments and data analysis, troubleshoot physics-related system issues, conduct feasibility studies, and mentor less experienced scientists.
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Physical Scientist/Hydrologist (NPS, Golden Gate National Recreational Area)
San Francisco, California, United States
$37/hr FieldFull Time, Temporary
Great Basin Institute
Great Basin Institute: Provides environmental research, education, and conservation services.
1+ YOE1+ year field hydrologic monitoring experience, instrument operation, data analysis, GIS/GNSS competence, valid driver\u0002s license, and ability to complete DOI background investigation.
GIS, GNSS, RTK GNSS, total station, 3D scanners, optical levels, data loggers, telemetry systems
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Research Scientist
San Francisco, California, United States
OnsiteFull Time
Tabula Bio
Tabula Bio: An AI-first therapeutics using physics-based modeling and experimental data to design bacteriophage therapies.
Ph.D. in physics or related (or equivalent research experience); strong numerical methods, large-scale simulation, PDE modeling, statistical mechanics, optimization, HPC; fluency in Python; PyTorch familiarity a plus; collaborative with wet lab.
Python, PyTorch, High-performance computing
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Physicist Research Scientist
Berkeley or California
$142k-$157k/yr HybridFull Time, Temporary
Lawrence Berkeley National Laboratory
Lawrence Berkeley National Laboratory: Conducts scientific research to address global challenges.
Advanced degree in physics/engineering/materials science, demonstrated experience with femtosecond 3D additive manufacturing and ultrafast laser-matter interactions, THz spectroscopy, optics design, material characterization, simulations, strong programming/data analysis, and publication/proposal experience.
THz time domain spectroscopy systems, multiphysics simulations, electromagnetic simulation software, pump-probe experimentation
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Research Engineer / Research Scientist — Robotics & Physical AI
San Francisco, California, United States
$100k-$300k/yr OnsiteFull Time
Clera
Clera: AI talent agent matching professionals with high-growth startup roles
Experience with robotics simulation, reinforcement or imitation learning, robot hardware, sensors, actuators, embedded systems, deep learning, and computer vision; strong C++ and Python skills; US work authorization required.
Isaac Lab, MuJoCo, MJX, Genesis, C++, Python, LLMs, Transformers, Blender, CAD
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Scientist, Technology Development
South San Francisco, California, United States
$110k-$140k/yr OnsiteFull Time
Atlas Data Storage
Atlas Data Storage: A developing semiconductor-based molecular data storage solutions using synthetic DNA.
0+ YOEMaster's with >5 yrs or PhD with 0-3 yrs in Physics/Materials Science/Physical Chemistry/Nanotech; hands-on low-noise nanoelectronic measurements, electrochemistry, data analysis and scripting, surface functionalization experience.
cyclic voltammetry, AC voltammetry, electrochemical impedance spectroscopy, bipotentiostat
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Staff Research Scientist
Foster City, California, United States
$169k-$271k/yr HybridFull Time
Visa
VisaNYSE: V: Global payment technology facilitating electronic funds transfers.
3+ YOEPhD in CS/Physics/Math/Chem/EE or related field; 3+ years experience preferred; strong quantum information and computation expertise.
Qiskit, Cirq, Python, Git
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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
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Staff Data Scientist, Consumer
San Francisco or Canada
RemoteFull Time
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
10+ YOEAdvanced degree in statistics, mathematics, physics, economics, or operations research; 6+ years (PhD) or 10+ years (MS) in applied data/analysis roles; strong SQL; R/Python; causal inference; ability to influence product strategy; mentoring.
SQL, R, Python
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Environmental Protection Program Senior Scientist
Sacramento County or Sacramento or West Sacramento
$8k-$11k/mo OnsiteFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Technical expertise in natural and cultural resources is required. A bachelor's or advanced degree in a relevant biological, chemical, physical, environmental, or natural resource science is desirable.
SurveyMonkey, Microsoft Word
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Senior Research Scientist – Molecular Diagnostics
Sunnyvale or Pittsburgh or Cambridge or Stanford or Berkeley
$170k-$200k/yr HybridFull Time
Bosch
Bosch: Global manufacturer of automotive and industrial engineering technology.
3+ YOEPhD in engineering, bioengineering, physics, or related field; 3–5 years biotechnology industry experience; expertise in molecular diagnostics, biosensors, microfluidics, electrochemical sensing, soft electronics, and nanofabrication.
microfluidics, electrochemical sensing, soft electronics, chip-scale nanofabrication, chip design
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Environmental Scientist I/II/III - AGSC
Redding or Sacramento or Eureka or Santa Rosa or Bakersfield or Los Angeles or Riverside or San Diego
RemoteFull Time
Ahtna
Ahtna: Alaska Native providing construction and government services.
Bachelor’s in Physical/Environmental Sciences; CA QSP or QSD; driver license; utility project experience; MS Office proficiency.
MS Office
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Clinical Laboratory Scientist, Prenatal
Union City or Menlo Park or Austin
$59-$87/hr OnsiteFull Time
BillionToOne
BillionToOneNASDAQ: BLLN: Develops molecular diagnostic tests for prenatal and oncology care
1+ YOEBachelor's degree in chemical, physical, or biological sciences; 1–2 years of clinical laboratory experience; California CLS license; molecular biology, DNA extraction, PCR, LIMS, and office software experience.
Google Docs, Microsoft Word, Microsoft Excel, PCR, LIMS
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Environmental Scientist I/II/III - AGSC
Santa Rosa or California
$60k-$98k/yr FieldFull Time
Ahtna
Ahtna: Provider of construction, environmental, and facility management services.
Bachelor’s degree in physical or environmental science or related field, utility project experience, valid driver’s license, Microsoft Office proficiency, and technical communication skills. Experience varies by level.
Microsoft Office Suite, GIS, CAD
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Research Scientist Manager, Climate and Energy
Alameda, California, United States
$207k-$300k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOGL: Provides online search, advertising, cloud computing, and consumer electronics.
4+ YOEPhD in physics, engineering, or related field; 4 years managing research agendas across teams or projects; experience with advanced physical systems; experimental research, analysis, and leadership skills.
High vacuum systems, Pulse power systems, Optics and lasers, Cryogenic systems, Simulation, Computational analysis
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AI Research Scientist/Manager - Spatial Reasoning
San Mateo or San Francisco or California
$200k-$385k/yr OnsiteFull Time
P-1 AI
P-1 AI: Developing AI agents for industrial engineering and physical design.
Conduct research in spatial reasoning, 3D/geometric understanding, and physical reasoning; fluent in Python and ML stacks such as PyTorch or JAX; strong research/engineering record; experience with CAD/point clouds/meshes a plus.
Python, PyTorch, JAX, CAD
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