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222 senior scientist jobs at 102 companies in Riverside, CA

3mo
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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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3mo
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Senior Scientist
Pasadena or Sudbury or Chicago or Tampa or Phoenix
$105k-$120k/yr HybridFull Time
Advocates for Human Potential
Advocates for Human Potential: Provides consulting and research services for human services systems.
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
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2mo
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Senior Scientist
Monrovia, California, United States
$90k-$120k/yr OnsiteFull Time
ChromoLogic
ChromoLogic: Develops and commercializes disruptive medical, aerospace, and security technologies.
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.
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1mo
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Senior Scientist
Pasadena, California, United States
$134k-$165k/yr OnsiteFull Time
Caltech
Caltech: Provides university-level education and scientific research services.
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
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2mo
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Senior AI/ML Scientist, Planetary Science
Long Beach or New York City
$154k-$211k/yr HybridFull Time
Relativity Space
Relativity Space: Designing and manufacturing 3D-printed rockets and launch vehicles.
3+ YOEPhD in a technical field and 3+ years of experience; expertise in transfer learning, domain adaptation, or fine-tuning; multi-modal data fusion; end-to-end problem ownership; collaboration with scientists and engineers.
Python, TensorFlow, PyTorch, scikit-learn, ML frameworks, multi-modal data fusion
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Senior Data Scientist
New York or Austin or New York City or Los Angeles or San Francisco or London or Berlin or Singapore or Tel Aviv
HybridFull Time
Digital Turbine
Digital TurbineNASDAQ: APPS: Platform for mobile application distribution and advertising monetization.
8+ YOE8+ years in data science or quantitative analysis; expertise in experimental design, causal inference, statistical and ML modeling; SQL and Python or R; large-scale data; strong communication skills.
SQL, Python, R, Databricks, Spark
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1w
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Senior Data Scientist
Los Angeles, California, United States
$185k/yr OnsiteFull Time
FlightStory
FlightStory: A media and investment scaling creator-led brands.
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
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5d
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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
Accenture
AccentureNYSE: ACN: Global professional services firm providing consulting and technology solutions.
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
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Senior Research Scientist
Orange, California, United States
$85k-$90k/yr OnsiteFull Time
Chapman University
Chapman University: A private university offering undergraduate and graduate degree programs.
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
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Senior Data Scientist
Irvine, California, United States
$108k-$153k/yr OnsiteFull Time
Edwards Lifesciences
Edwards LifesciencesNYSE: EW: Designs and manufactures medical devices for structural heart disease.
4+ YOEBachelor's in a related field plus 4 years (or Master’s plus 3) experience; expertise in clinical/product domain modeling, statistical methods, and regulatory-grade model documentation.
statsmodels, lifelines, scikit-survival, PyMC, SHAP, Captum, Python, SQL, SAS, Microsoft Power BI, Tableau Prep, PyTorch, TensorFlow, MLflow, MONAI, pydicom, SimpleITK, DoWhy, EconML, Optuna, Ray Tune, R, JAX
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3w
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Senior Data Scientist
Los Angeles, California, United States
$167k-$251k/yr HybridFull Time
Sony Interactive Entertainment
Sony Interactive EntertainmentNYSE: SONY: Provides PlayStation gaming hardware, software, and digital network services.
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
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2mo
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Senior Data Scientist
Canada or United States or San Francisco or Los Angeles
$170k-$200k/yr RemoteFull Time
Northbeam
Northbeam: Marketing intelligence and attribution platform for eCommerce brands.
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.
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1w
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Senior Data Scientist
Los Angeles, California, United States
$139k-$185k/yr HybridFull Time
Taboola
TaboolaNASDAQ: TBLA: Provides content recommendations and native advertising for digital publishers.
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
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6d
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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
Accenture
AccentureNYSE: ACN: Global provider of management consulting and technology services.
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
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2w
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Principal Clinical Scientist
Aliso Viejo, California, United States
$148k-$194k/yr OnsiteFull Time
MicroVention
MicroVention: Manufacturer of neurovascular medical devices for stroke treatment.
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
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1d
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DATA SCIENTIST SUPERVISOR
Los Angeles County, California, United States
$126k-$170k/yr OnsiteFull Time
County of Los Angeles
County of Los Angeles: Provides public services and healthcare to Los Angeles County residents.
2+ YOERequires two years leading advanced data science methods, statistical prediction, inference, optimization, and decision support at a Senior Data Scientist level; California Class C license or alternative transportation required.
machine learning, data visualization, data engineering, data modeling, ETL, large-scale databases
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2w
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SENIOR ENVIRONMENTAL SCIENTIST (SPECIALIST)
Sacramento or Riverside
$8k-$11k/mo HybridFull Time
State Controller's Office
State Controller's Office: California's fiscal controller managing state financial operations and assets.
Oversee escalated waste tire enforcement, develop enforcement actions, conduct inspections, prepare reports; must have valid California driver's license/REAL ID and ability to travel.
Microsoft Word, Microsoft Excel, Microsoft SharePoint, PowerPoint, Microsoft Teams
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1d
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Senior Lead Data Scientist
Austin or Aventura or Boston or Dallas or Los Angeles or Madison or New York City or Raleigh or San Francisco or Seattle or Washington
$204k-$227k/yr OnsiteFull Time
Compass
CompassNYSE: COMP: Technology-enabled residential real estate brokerage and agent software platform.
8+ YOEMaster's or PhD in a quantitative field, 8+ years of data science experience, advanced Python and SQL, expertise in complex data science, MLOps, technical leadership, and mentoring.
XGBoost, Python, SQL, MLOps
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Senior Environmental Scientist III
Fullerton, California, United States
$83k-$125k/yr OnsiteFull Time
Apex Companies
Apex Companies: Provides environmental consulting, civil engineering, and water infrastructure services.
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
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3d
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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
Reddit
RedditNYSE: RDDT: Social platform for community-driven discussion and content sharing.
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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