236 senior scientist jobs at 106 companies in Bloomington, CA
3mo
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Senior Scientist / Engineer
Los Angeles, California, United States
OnsiteFull Time
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
3mo
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Senior Scientist
Pasadena or Sudbury or Chicago or Tampa or Phoenix
$105k-$120k/yr HybridFull Time
5+ YOEPh.D.,5+ years leading evaluation-focused proposals and projects, expertise in substance use/rural health/criminal justice, experience with federal contracts and SAMHSA data tools.
Stata, REDCap, Dedoose, Microsoft Word, Microsoft Outlook, Microsoft PowerPoint, Microsoft Excel, citation management software
1mo
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Senior Scientist
Pasadena, California, United States
$134k-$165k/yr OnsiteFull Time
10+ YOE8+ MgmtBS in Physics, Astronomy, or Engineering; 10+ years high-precision optics experience; 8+ years mentoring; expertise in optical design, coatings, and precision optical metrology; MS/PhD preferred; MS Project experience preferred.
Microsoft Project
2mo
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Senior Scientist
Monrovia, California, United States
$90k-$120k/yr OnsiteFull Time
PhD in a relevant engineering or chemistry field; background in hollow fiber membranes, filtration, separations, or bioprocessing; experimental design, data analysis, failure analysis; lab testing and prototype experience; strong communication.
6d
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Senior Scientist, Chemistry
South San Francisco or United States or Puerto Rico or San Francisco or Los Angeles or Rahway
$131k-$207k/yr OnsiteFull Time
4+ YOERequires a chemistry degree and 4–7 years of experience depending on degree level, with extensive organic synthesis expertise, analytical skills, complex problem-solving, collaboration, and communication abilities.
chromatography, mass spectrometry, spectroscopy, Process Analytical Technology (PAT)
6d
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Senior Scientist, Discovery Biology
San Diego or Arizona or Puerto Rico or Los Angeles County
$132k-$159k/yr OnsiteFull Time
2+ YOEBachelor's with 7+ years, master's with 5+ years, or Ph.D. with 2+ years in life sciences or related research. Requires cancer biology, cell culture, molecular biology, and drug discovery expertise.
CRISPR, RNAi, qPCR, FACS, Windows, Microsoft Office, PRISM
1mo
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Senior Data Scientist
Los Angeles, California, United States
$167k-$251k/yr HybridFull Time
Advanced quantitative background (Master's/PhD preferred), proven experience in causal inference, forecasting, optimization and value/impact measurement; proficiency in Python, SQL and PySpark; strong stakeholder management and communication.
Python, SQL, PySpark, transformers
1mo
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Senior Research Scientist
Orange, California, United States
$85k-$90k/yr OnsiteFull Time
1+ YOEPh.D. in philosophy/psychology/neuroscience, 1+ year postdoctoral research, 5+ peer-reviewed publications, proficiency with MATLAB/JASP/R, EEG experience, strong writing and presentation skills.
MATLAB, JASP, R, EEG
1w
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SENIOR DATA SCIENTIST
Los Angeles County or Los Angeles
$10k-$13k/mo HybridFull Time, Temporary
2+ YOE2+ MgmtRequires 2 years of complex data science experience, or a relevant bachelor's degree with coursework and 6 years of experience including 2 years leading machine learning, predictive analytics, and data management work.
Machine Learning, Predictive Analytics, Recommender Engines, Auto Classification, NLP, statistical programming languages
1w
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Senior Data Scientist
Petah Tikva or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
8+ YOERequires 8+ years in data science or quantitative analysis, strong experimental design and statistical/ML modeling skills, SQL and Python or R fluency, cloud-scale data experience, and excellent communication.
SQL, Python, R, Databricks, Spark
2w
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Senior Data Scientist
New York City or Milwaukee or Dallas or Columbus or Kirkland or Cincinnati or Cleveland or Oklahoma City or Austin or Albany or Chicago or St. Petersburg or Hartford or Pittsburgh or St. Louis or Miami or Sacramento or Raleigh or Minneapolis or Mountain View or Scottsdale or San Francisco or Morristown or Denver or Boston or Philadelphia or Des Moines or Overland Park or Los Angeles or Charlotte or Walnut Creek or Carmel or Seattle or Houston or Arlington or Atlanta or Redmond or Bentonville or Beaverton or Nashville or Detroit or San Diego
$87k-$294k/yr HybridFull Time
6+ YOE6+ years in data science, AI, analytics, Responsible AI, or consulting; bachelor's or master's in a quantitative field; Python, SQL, machine learning, generative AI, governance, and client leadership experience.
Python, pandas, NumPy, scikit-learn, PyTorch, TensorFlow, XGBoost, SQL, MLOps, GenAIOps, LLMOps, AWS, Microsoft Azure, Google Cloud
2w
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Senior Data Scientist
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Carmel or Charlotte or Chicago or Cincinnati or Cleveland or Columbus or Culver City or Denver or Des Moines or Detroit or Hartford or Houston or Irving or Kirkland or Miami or Milwaukee or Minneapolis or Morristown or Mountain View or Nashville or New York City or Oklahoma City or Overland Park or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Scottsdale or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States or Los Angeles
$80k-$294k/yr HybridFull Time
6+ YOERequires 6+ years in data science, AI, analytics, Responsible AI, consulting, governance, or related fields; quantitative bachelor's or master's degree; Python, SQL, ML, AI governance, and client leadership expertise.
Python, pandas, NumPy, scikit-learn, PyTorch, TensorFlow, XGBoost, SQL, AWS, Microsoft Azure, Google Cloud, MLOps, GenAIOps, LLMOps, APIs, Microsoft Word
2mo
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Senior Data Scientist
Canada or United States or San Francisco or Los Angeles
$170k-$200k/yr RemoteFull Time
5+ YOE5+ years building and deploying production data science/ML systems; strong statistics, causal inference, experimentation, coding/debugging, EM/production ops, and customer-facing communication; BS required, MS/PhD preferred.
2w
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Senior Data Scientist
Los Angeles, California, United States
$139k-$185k/yr HybridFull Time
5+ YOEMaster’s degree or Ph.D. preferred in a technical field, 5+ years of Python and Java experience, ML frameworks, SQL, scalable ML systems, evaluation harnesses, testing frameworks, and distributed data systems.
Python, Java, PyTorch, TensorFlow, Spark MLlib, SQL, Cursor, Claude, GitHub Copilot, HDFS, Hadoop, Kafka, Apache Spark
3w
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Senior Data Scientist
Los Angeles, California, United States
$185k/yr OnsiteFull Time
Production ML/statistical modeling experience, strong Python and data science library skills, experience with large datasets and complex pipelines, and hands-on LLM or foundation model experience.
Python, PyTorch, TensorFlow, scikit-learn, LLMs, RAG
4w
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Principal Clinical Scientist
Aliso Viejo, California, United States
$148k-$194k/yr OnsiteFull Time
5+ YOEMaster's degree in relevant science/medicine, 5+ years clinical research scientist experience, GCP knowledge, clinical protocol development, strong writing and communication, analytical skills.
PubMed, MedLine
5d
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Senior Scientist, R&D Chemistry
Irvine, California, United States
OnsiteFull Time
5+ YOEBachelor's degree with 5+ years, master's with 3+ years, or Ph.D. with 0–2 years in chemistry or a related field; requires regulated-industry and laboratory experience.
1w
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Senior Environmental Scientist (Specialist)
Sacramento or Oakland or Lakewood
$8k-$11k/mo HybridFull Time
Requires environmental science expertise in vegetation management, forestry, wildfire risk mitigation, policy analysis, stakeholder collaboration, and project leadership; California civil service eligibility is required.
ChatGPT, YouTube, Microsoft Excel
2mo
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Senior Environmental Scientist III
Fullerton, California, United States
$83k-$125k/yr OnsiteFull Time
5+ YOEB.S. in environmental science/engineering, 5+ years experience, CPSWQ or CPESC and QSD/QSP and QISP certifications, valid California driver’s license, ability to lift up to 50 lbs, proficient in Microsoft Office, strong analytical and communication skills.
Microsoft Office Suite, ArcGIS
1w
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Senior Data Scientist - Consumer
United States or San Francisco or Los Angeles or Chicago or New York City
$191k-$267k/yr RemoteFull Time
4+ YOEMaster's or Ph.D. in a quantitative field; 4+ years' experience with a Ph.D. or 5+ with a master's; SQL and R/Python expertise; experimentation, causal inference, and statistical analysis skills.
SQL, R, Python
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