70 ai scientist jobs at 36 companies in Thousand Oaks, CA

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AI Scientist
Pasadena, California, United States
$200k-$300k/yr OnsiteFull Time
Oratomic
Oratomic: Neutral-atom quantum computing developing hardware and error-correction architecture for utility-scale fault-tolerant quantum computers.
Frontier AI research experience strongly desirable; collaborative team player; motivated to build quantum computers. Prior quantum computing knowledge not required. Hiring at all experience levels (post-bachelors through PhD).
3w
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Senior AI Scientist, AI Products / Life Sciences
Redwood City or Colorado or Illinois or New York or Los Angeles
$125k-$185k/yr OnsiteFull Time
Tempus AI
Tempus AINASDAQ: TEM: AI-enabled precision medicine and health technology.
1+ YOEPh.D. in computer science or related quantitative field; 1+ year industry ML experience; expertise in deep learning and production models; Python, PyTorch, multimodal modeling, and peer-reviewed publications.
Python, PyTorch
2mo
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Senior Associate, AI Data Scientist
Santa Monica, California, United States
$175k-$195k/yr OnsiteFull Time
TWG Global
TWG Global: Private U.S. holding operating and investing in financial services, insurance, AI, technology, sports, media, and entertainment.
3+ YOE3+ years deploying ML models to production, experience setting up monitoring, coursework/experience in data analysis or ML, proficiency in Python or R, data visualization skills, strong analytical/problem-solving, Bachelor's or Master's in related field.
Python, R
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Forward Deployed AI Scientist, Campus, United States - BCG X
Boston or Chicago or Washington or Pittsburgh or New York City or Brooklyn or Manhattan Beach or Dallas or Miami or San Francisco or Seattle or Los Angeles
$110k-$190k/yr OnsiteFull Time
BCG X
BCG X: BCG X is BCG’s tech build and design division, building AI systems, digital products, services, and businesses.
Students pursuing a full-time bachelor's, master's, or PhD graduating December 2026–August 2027; requires advanced analytics, machine learning, data synthesis, communication, coding, and project management skills.
Python
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Biometrics and AI Research Scientist
Pasadena, California, United States
$137k-$228k/yr HybridFull Time
Thales
ThalesEuronext Paris: HO: Global technology leader in aerospace, defense, and security.
3+ YOEMS+3yrs or PhD in EE/CS, U.S. work authorization, 3+ years coding in C/C++ and Python, deep learning (PyTorch/TensorFlow/Onnxruntime/OpenVINO) for computer vision, biometrics or related experience, B.S. in imaging and signal analysis.
C, C++, Python, PyTorch, TensorFlow, Onnxruntime, OpenVINO, CUDA, OpenCL
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Biometrics and AI Research Scientist
Pasadena, California, United States
$137k-$228k/yr HybridFull Time
Thales
ThalesEuronext Paris: HO: Global technology leader in aerospace, defense, and security.
3+ YOEMS+3 years or PhD in EE/CS or related, 3+ years coding in C/C++ and Python, experience with deep learning frameworks (PyTorch, Tensorflow, Onnxruntime, OpenVino), biometrics or CV experience, US Person and authorized to work in the US.
C/C++, Python, PyTorch, Tensorflow, Onnxruntime, OpenVino, CUDA, OpenCL
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Data Scientist, Principal - AI Product Engineering
Oakland or Washington or Ohio or District of Columbia or California or Long Beach or Arizona or Colorado or Connecticut or Florida or Georgia or Maryland or Minnesota or Nevada or Oregon or El Dorado Hills or San Diego or Woodland Hills or Alabama or Illinois or Virginia or Wisconsin or Texas or New York
$161k-$242k/yr HybridFull Time
Stellarus
Stellarus: Private healthcare technology providing AI-enabled infrastructure and digital solutions to nonprofit, regional, and community health plans.
10+ YOEBachelor's degree or equivalent practical experience and 10 years in data science, machine learning, AI/ML, software engineering, or advanced analytics. Requires Python, APIs, ML infrastructure, PyTorch, TensorFlow, LangChain, and LangGraph.
Python, PyTorch, TensorFlow, LangChain, LangGraph, Azure, Google Cloud, AWS, SQL, Spark, CI/CD, MLOps, LLMOps
12h
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Applied Scientist, Prime Video - Generative AI (Video)
Culver City or Sunnyvale or New York City
$143k-$223k/yr OnsiteFull Time
Amazon
AmazonNASDAQ: AMZN: Multinational technology focused on e-commerce and cloud computing.
3+ YOEPhD or master's degree with 4+ years in computer science, computer engineering, machine learning, or related experience; 3+ years building business models; programming and generative AI expertise required.
Java, C++, Python, Computer Vision, diffusion, flow-matching models, 3D/4D scene and character generation, LoRA, ControlNet
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AI Research Scientist, Learning & Evaluation
Beverly Hills, California, United States
$180k-$280k/yr OnsiteFull Time
StudyFetch
StudyFetch: AI-native education technology serving students and organizations with study and workforce-training platforms.
5+ YOEPhD or equivalent with 5+ years applying quantitative methods to products, experience evaluating LLMs, experimental design, causal inference, strong communication and analytics skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, MongoDB, PostgreSQL, GCP
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Artificial Intelligence Scientist IV
Los Angeles or Irvine
$208k-$354k/yr OnsiteFull Time
Capital Group
Capital Group: Provides investment management services globally.
10+ YOEMS in CS/AI/ML required (PhD preferred), 10+ years relevant experience, expertise in LLMs, generative and agentic AI (RAG, PEFT, instruction fine-tuning, prompt engineering), transformers and deep learning, publication record, ability to collaborate with engineering and mentor scientists.
Deep Neural Networks, Large Language Models (LLMs), RAG, Transformers, Agentic AI
3d
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Research Scientist Graduate (Conversational AI)- 2027 Start (PhD)
Seattle or Los Angeles or Singapore or New York City or London or Dublin or Paris or Berlin or Dubai or Jakarta or Seoul or Tokyo
$154k-$301k/yr OnsiteFull Time
TikTok
TikTok: Short-form mobile video and social media platform.
Completing or recently completed PhD in CS, AI, math, quantitative science, or related field; strong Python and one of C++, Go, Rust, or Java; hands-on LLM or agent experience and statistical literacy.
Python, C++, Go, Rust, Java, SFT, DPO, RLHF, RLAIF, RLVR, MCP, vLLM, TensorRT-LLM, MoE, Kaggle, ACM-ICPC
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Scientist 2
Pasadena or San Diego or California
$118k-$150k/yr OnsiteFull Time
Xencor
XencorNASDAQ: XNCR: Public clinical-stage biopharmaceutical developing engineered antibody medicines for patients with cancer and autoimmune diseases.
3+ YOEPh.D. in a relevant scientific field and 3+ years of post-graduate laboratory experience. Requires yeast display, molecular cloning, NGS, antibody optimization, data analysis, and laboratory safety expertise.
NGS, Geneious Prime, Sequencher, AI, ML, Benchling, Microsoft Word, Microsoft Excel, Microsoft Outlook, Microsoft PowerPoint, Spotfire, FloJo, GraphPad Prism, electronic notebook, microscopes, centrifuges, spectrophotometers, balances, pH meters, electrophoresis equipment, freezers, incubators
2w
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Data Scientist Advisor
Rosemead, California, United States
HybridFull Time
Southern California Edison
Southern California Edison: Electric utility serving Southern, Central, and Coastal California.
5+ YOEBachelor's degree in a quantitative discipline and 5+ years of data analytics experience. Requires advanced AI/ML, modeling, deployment, data integration, stakeholder, and technical leadership expertise.
Computer Vision, AI, Machine Learning (ML), Generative AI, Agentic AI, Large Language Models (LLMs), Retrieval-Augmented Generation (RAG), MLOps, GCP, Azure, AWS, CI/CD, LiDAR
1mo
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Principal Scientist- Search
New York City or San Francisco or Los Angeles or Irvine or McLean or Washington
$212k-$394k/yr HybridFull Time
Thomson Reuters
Thomson ReutersTSX, NASDAQ: TRI: Global provider of trusted information, software, and news.
8+ YOEPhD and 8+ years building and deploying production AI systems; deep expertise in information retrieval, search, NLP, RAG, knowledge graphs, LLMs; strong product sense and leadership skills.
Python, PyTorch, Hugging Face, Azure ML, Azure AI Foundry, AWS SageMaker
3w
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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 professional services delivering 360° value.
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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Data Scientist
San Francisco or Los Angeles or Washington or San Diego or Seattle or London
$150k-$170k/yr HybridFull Time
CHAOS Industries
CHAOS Industries: Redefining modern defense with a multi-product portfolio.
2+ YOEBS/MS in a technical field, 2+ years software development, strong Python, production systems, AI/ML integration, model evaluation, APIs, distributed systems, containers, CI/CD, and observability.
Python, APIs, CI/CD, GPU
8h
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Research Scientist, AI for the Chemical Sciences
Pasadena, California, United States
$80k-$113k/yr OnsiteFull Time, Temporary
California Institute of Technology
California Institute of Technology: Private nonprofit science and engineering research university serving undergraduate and graduate students in Pasadena.
PhD in chemistry, chemical engineering, materials science, computer science, or related field; expertise applying machine learning and data science to chemical sciences; scientific programming and teaching experience.
machine learning, data science, deep learning, generative models, graph neural networks, automation hardware, robotic platforms
2w
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Data Scientist Advisor
Rosemead, California, United States
$162k-$243k/yr HybridFull Time
Southern California Edison
Southern California Edison: Electric utility serving Southern, Central, and Coastal California.
5+ YOEBachelor's degree in a quantitative discipline and 5+ years of data analytics experience; advanced AI/ML, model deployment, MLOps, cloud platforms, and stakeholder leadership preferred.
Artificial Intelligence (AI), Machine Learning (ML), Generative AI, Agentic AI, large language models (LLMs), retrieval-augmented generation (RAG), MLOps, GCP, Microsoft Azure, AWS, CI/CD, LiDAR
2w
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Research Scientist, Quantum Error Correction, Quantum AI
Goleta or Los Angeles
$147k-$210k/yr OnsiteFull Time
Google
GoogleNASDAQ: GOOG, GOOGL: Global technology specializing in internet-related services and products.
PhD or equivalent practical experience, quantum error-correction research publications, and preferred experience owning research agendas.
Low-Density Parity-Check (LDPC)
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Senior Scientist - Translational Safety & Risk Sciences (TSRS)
United States or Cambridge or South San Francisco or Thousand Oaks
$129k-$175k/yr RemoteFull Time
Amgen
AmgenNASDAQ: AMGN: Developing innovative medicines to fight serious diseases.
0+ YOEAdvanced degree or equivalent experience in science or data science; experience building data infrastructure, Databricks, Spotfire, SharePoint and AI/ML integration for translational safety and NAMs; strong communication and collaboration skills.
Databricks, Spotfire, SharePoint, Benchling, LIMS, ELN, AI/ML