31 ml scientist jobs at 15 companies in O'Fallon, MO
1w
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AI/ML Computational Science Manager
Albany or Arlington or Atlanta or Austin or Beaverton or Bentonville or Boston or Charlotte or Chicago or Columbus or Denver or Detroit or Hartford or Houston or Miami or Minneapolis or Mountain View or Nashville or New York City or Philadelphia or Pittsburgh or Raleigh or Redmond or Sacramento or San Diego or San Francisco or Seattle or St. Louis or St. Petersburg or Walnut Creek or United States
$80k-$294k/yr HybridFull Time
6+ YOERequires 6+ years in data analysis, statistics, machine learning, or computer science; 5+ years in ML, deep learning, or NLP; cloud AI/ML experience; agentic architecture and conversational AI experience; bachelor's degree.
Machine Learning (ML), Natural Language Processing (NLP), Large Language Models (LLMs), AI Agents, Microsoft Azure, Conversational AI
1mo
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Data Scientist
St. Louis, Missouri, United States
$88k-$123k/yr OnsiteFull Time
3+ YOEBachelor's degree and 3+ years in data science; experience with Python, SQL, ML/optimization models, cloud platforms and MLOps practices.
Python, SQL, scikit-learn, pandas, PySpark, NumPy, Azure, AWS, GCP, MLflow, Azure ML, SageMaker, Kubeflow, Databricks, Snowflake, LangChain, Semantic Kernel, vector databases
3mo
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Data Scientist
Falls Church or Fort Meade or Stuttgart or Tampa or Honolulu or Colorado Springs or Doral or Omaha or Scott Air Force Base
OnsiteFull Time
4+ YOE4+ years in data science or ML, proficient in Python/SQL, experience with Spark/Databricks, cloud data platforms; onsite DoD role.
Python, SQL, Spark, Databricks, PySpark, Tableau, Matplotlib, Plotly, MLflow, TensorFlow, scikit-learn, XGBoost
1mo
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Data Scientist
Earth City, Missouri, United States
$112k-$131k/yr HybridFull Time
6+ YOEBachelor's in a quantitative field or equivalent experience,6+ years relevant experience, expertise in ML/AI, experience with cloud AI platforms, MLOps, strong communication and leadership skills.
Generative AI, Prompt Engineering, LLMs, Retrieval-Augmented Generation (RAG), Azure AI, Azure OpenAI, AWS AI Services, MLOps
2mo
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Senior Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
8+ YOE8 years data science/ML experience; hands-on Python and SQL; experience with A/B testing, causal ML/matching models/AutoML; strong statistical knowledge, problem-solving, and stakeholder communication.
Python, SQL, AutoML
1mo
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Senior Data Scientist
Denver or Springfield or Sterling or St. Louis
$82k-$172k/yr OnsiteFull Time
8+ YOETS/SCI clearance with polygraph, Bachelor or equivalent, 8+ years experience, expert Python/R and SQL, ML production experience, data visualization, and geospatial experience preferred.
Python, R, SQL
1mo
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Senior Data Scientist
Denver or St. Louis or Sterling or Springfield
$82k-$172k/yr OnsiteFull Time
8+ YOEBachelor's in related field,8+ years data science experience,expert Python or R,SQL proficiency,production ML deployment experience,and TS/SCI clearance with polygraph willingness.
Python, R, SQL
3w
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Data Scientist 728
St. Louis, Missouri, United States
OnsiteFull Time
1+ YOEActive TS/SCI clearance, experience building statistical and ML models, geospatial and imagery data experience preferred, proficiency with Python and analytical toolchains, strong communication and requirements gathering skills.
Python, Pandas, NumPy, SciPy, Jupyter, SQL, PostgreSQL, PostGIS, Aurora, Oracle, Redis, Elasticache, AWS (S3, Athena, Glue, Lambda, ECS), Docker, GitLab CI/CD, Linux, GDAL, Rasterio, OGR, GeoPandas, ArcGIS, QGIS, Plotly, Matplotlib, Tableau, Microsoft Power BI
3w
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Senior AI Scientist
Tempe or St. Louis
HybridFull Time
9+ YOERequires 9+ years delivering applied data science solutions, an MS in a quantitative field, Python, statistical modeling, and expertise in at least two of ML, AI, GenAI, optimization, or agentic systems.
Python, SQL, Git, CI/CD, Databricks
3w
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Data Scientist, Mid
Arnold, Missouri, United States
OnsiteFull Time
5+ YOEUS citizen with TS/SCI and ability to obtain CI Polygraph,5+ years experience,Python,Pandas,Geopandas,databases,API integration,cloud data management,GEOINT expertise,AI/ML experience
Python, Pandas, Geopandas, API, AI/ML, UNIX, Linux, RedHat Linux, Custom Media Services, NSG Consolidated Library, Gateway, Enterprise File Delivery (EFD)
2w
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Senior Data Scientist
Saint Louis, Missouri, United States
$117k-$151k/yr HybridFull Time
6+ YOEMaster's in a quantitative field, 6+ years data science experience, proficiency with Python or R, ML libraries, advanced SQL, Microsoft SQL Server and Snowflake experience, strong communication; U.S. work authorization required.
Python, R, Scikit-Learn, XGBoost, TensorFlow, PyTorch, Microsoft SQL Server, Snowflake, SQL
1mo
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Senior AI Scientist
Arizona or Tempe or Missouri or St. Louis or United States
HybridFull Time
9+ YOE9+ years applied data science experience; MS required (PhD preferred) in a quantitative field; strong Python, SQL, Git, Databricks, CI/CD experience; expertise in statistical modeling, ML/GenAI/optimization; productionizing models and influencing stakeholders.
Python, SQL, Git, Databricks, CI/CD
2w
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Lead Applied Scientist, Marketing
Chicago or Columbus or Detroit or Kansas City or Madison or Saint Louis
$175k-$200k/yr RemoteFull Time
5+ YOE5+ years applied data science experience, strong ML modeling and deployment in AWS, expertise in Python and SQL, experience in performance/paid media modeling and ROAS-driven outcomes.
Python, SQL, AWS, Looker, Google, Meta, LLMs
2d
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Genome Editing Target Design Scientist
Chesterfield, Missouri, United States
$97k-$146k/yr OnsiteFull Time
2+ YOERequires a bachelor's degree and 2+ years in gene editing, functional genomics, or related fields; advanced genetics, molecular biology, statistical genetics, ML/AI, predictive modeling, and English communication skills.
Machine Learning, Deep Learning, ML, AI
1mo
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Sr. Exploitation Specialist/Data Scientist (TS/SCI)
St. Louis, Missouri, United States
OnsiteFull Time
10+ YOETS/SCI clearance required (CI/Poly eligible), 10+ years relevant experience, strong Python and data science skills, hands-on Esri ArcGIS Pro/Online experience, AI/ML, data visualization, database and analytic automation expertise.
Esri ArcGIS Pro, ArcGIS Online, Safehouse, ICGIS, Python, Pandas, NumPy, SciPy, Matplotlib, Plotly, Dash, Bokeh, HTML5, JavaScript, ArcObjects, Model Builder, Oracle, SQL, ArcGIS Desktop, ArcGIS Server, Arc SDE, ArcIMS, Microsoft .NET, C++, Java
2d
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Genome Editing Target Design Scientist
Chesterfield, Missouri, United States
$97k-$146k/yr OnsiteFull Time
2+ YOEBachelor's degree in biological or computational biology and 2+ years in gene editing or functional genomics; requires complex biological data analysis, predictive modeling, statistical genetics, ML/AI, communication, and cross-functional collaboration.
Machine Learning, Deep Learning
3w
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Medical Laboratory Scientist MLS II
Saint Louis, Missouri, United States
$28-$47/hr OnsiteFull Time
0+ YOEBachelor's in physical or life science, ASCP/AMT/AAB cert or eligibility, under 2 years lab experience preferred, strong generalist lab skills, quality control and instrument maintenance.
2mo
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Exploitation Specialist/Data Scientist support to MA VEN, EO and SAR (Senior)
Springfield or St. Louis
$175k-$195k/yr OnsiteFull Time
3+ YOE3+ years quantitative analysis and data engineering experience; expertise in AI/ML, ETL, geospatial and multiple file types; Python and database experience; TS/SCI clearance required.
Python, JSON, XML, SQL, NoSQL, API, ETL, AI/ML, Natural Language Processing (NLP), Computer Vision, Maven, SOM
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