51 scientist data jobs at 29 companies in Ballwin, MO

2mo
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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
Agile Defense
Agile Defense: Provides IT modernization and cybersecurity for federal government agencies.
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
2d
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Data Scientist
Fresno or Washington or Jacksonville or Chamblee or Chamblee or Fairview Heights or Covington or Lanham or Detroit or Kansas City or Saint Louis or Charlotte or Holtsville or Philadelphia or Guaynabo or San Juan or Memphis or Austin or Austin or Farmers Branch or Ogden or Kearneysville
$106k-$173k/yr OnsiteFull Time
IRS Office of Chief Counsel
IRS Office of Chief Counsel: Represents the IRS in tax litigation and legal matters.
1+ YOEBachelor's in mathematics/statistics/computer science/data science or equivalent; 1 year specialized experience applying statistical methods, ML model development/deployment, working with large datasets and Spark/Databricks, data governance, and dashboarding.
Python, R, Tableau, SQL, Databricks, Graph Databases, Spark
3d
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Data Scientist
St. Louis, Missouri, United States
$88k-$123k/yr OnsiteFull Time
Nestlé
NestléSIX Swiss Exchange: NESN: Produces and sells a wide range of food and beverages.
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
5d
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Data Scientist - Mid
Denver or Springfield or Sterling or St. Louis
$69k-$142k/yr OnsiteFull Time
CACI International
CACI InternationalNYSE: CACI: Provides information technology and engineering services for government agencies.
4+ YOEBachelor's in a quantitative field required, 4+ years data science experience, proficiency with Python or R and SQL, experience with statistical methods, data visualization, and TS/SCI clearance with polygraph.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas, SAFe
2d
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Senior Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
GRVTY
GRVTY: Develops defense technology, cyber, and intelligence software solutions.
Active TS/SCI clearance, senior-level Python and data science experience supporting intelligence missions, scalable data pipeline and visualization skills, ability to operate independently and lead technical initiatives.
Python, JEMA, Brewlytics, ArcGIS ModelBuilder
5d
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Data Scientist - Mid
Denver or St. Louis or Sterling or Springfield
$69k-$142k/yr OnsiteFull Time
CACI
CACINYSE: CACI: Provides information technology and professional services to government clients.
4+ YOEBachelor's or equivalent,4+ years data science experience,proficiency in Python or R and SQL,statistics and visualization experience,TS/SCI clearance with polygraph willingness.
Python, R, SQL, matplotlib, Tableau, ArcGIS, QGIS, GeoPandas
1mo
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Data Scientist
St. Louis or Brentwood or Richmond Heights or Clayton or Maplewood
HybridFull Time
Enterprise Mobility
Enterprise Mobility: Provider of vehicle rental and diverse mobility solutions.
2+ YOEMaster's in a statistical/mathematical field, 2+ years experience with predictive models/statistical inference/deep learning, proficiency in R or Python, experience with TensorFlow or PyTorch, authorized to work in the U.S., must reside in St. Louis area, presentation and security awareness skills.
TensorFlow, PyTorch, R, Python, Linux/Unix, SQL
5d
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Data Scientist
Earth City, Missouri, United States
$112k-$131k/yr HybridFull Time
U.S. Bank
U.S. BankNYSE: USB: Provider of personal, business, and institutional financial services.
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
1d
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Data Scientist 728
St. Louis, Missouri, United States
OnsiteFull Time
Freedom Technology Solutions Group
Freedom Technology Solutions Group: Provides geospatial and software engineering solutions for national security agencies.
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
1mo
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Senior Data Scientist
St. Louis, Missouri, United States
OnsiteFull Time
Tiger Analytics
Tiger Analytics: Provides AI and advanced analytics consulting for global enterprises.
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
3w
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Data Scientist I
St. Louis, Missouri, United States
$70k-$110k/yr OnsiteFull Time
Esri
Esri: Developing software for digital mapping and spatial data analysis.
1+ YOE1+ years professional experience with practical machine learning, generative AI/LLMs, applied statistics, Python, data visualization, strong communication, US citizenship and ability to maintain a US security clearance, Bachelor's in a STEM field.
Python, Esri software, GIS, IoT, large language models
2w
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Lead Data Scientist, AdTech
Chicago or Columbus or Detroit or Kansas City or Madison or Saint Louis
$175k-$200k/yr RemoteFull Time
Launch Potato
Launch Potato: Digital media operating a portfolio of consumer brands.
5+ YOE5+ years applied data science experience; hands-on ML in AWS; experience in digital/performance marketing or leadgen; building adtech algorithms; strong modeling fundamentals; expertise in Python and SQL.
AWS, Python, SQL, Looker, Google, Meta
3d
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Data Scientist, Senior
St. Louis, Missouri, United States
$120k-$150k/yr OnsiteFull Time
Chopine Analytic Solutions
Chopine Analytic Solutions: Provides intelligence analysis and operational support to defense agencies.
TS/SCI clearance required (CI/Poly obtainable), intelligence analysis experience, senior-level Python scripting, designing scalable processes for large datasets, creating visualizations, and managing multiple projects.
Python, JEMA, Brewlytics, ArcModel Builder
3w
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Sr. Exploitation Specialist/Data Scientist (TS/SCI)
St. Louis, Missouri, United States
OnsiteFull Time
Culmen International
Culmen International: Provides specialized mission support and security services to governments.
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
4d
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AI/ML Technical Lead / Senior Data Scientist
St. Louis or Fort Lee
RemoteContract
Chameleon Integrated Services
Chameleon Integrated Services: Provides IT systems integration and cybersecurity for federal agencies.
7+ YOEActive Secret clearance, 7+ years in data science/AI, 4+ years developing ML solutions, hands-on Python/SQL, experience taking models to production, Azure AI experience, and bachelor's degree or equivalent.
Python, SQL, pandas, NumPy, scikit-learn, Azure Machine Learning, Azure OpenAI, Azure AI Search, Microsoft Copilot, Power BI, Power Apps, GCSS-Army, SAP ECC, CASCOM, SAP, APIs
1d
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Senior Exploitation Specialist / Data Scientist
Springfield or Saint Louis
OnsiteFull Time
B&A
B&A: Provides IT systems integration and data services to federal agencies.
10+ YOEActive TS clearance, 10+ years relevant experience, bachelor\u0002s degree, intelligence/data science background, senior-level Python scripting, scalable data process design, and visualization skills.
Python, JEMA, Brewlytics, ArcGIS Model Builder
3w
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GEOINT Data Scientist (TS/SCI)
St. Louis, Missouri, United States
OnsiteFull Time
Xcellent Technology Solutions
Xcellent Technology Solutions: Provides geospatial intelligence and IT services to federal agencies.
5+ YOEActive TS/SCI clearance with ability to obtain CI poly; Master's+5 yrs or Bachelor's+7 yrs (alternatives listed); strong Python and SQL proficiency; familiarity with ArcGIS; experience automating workflows, building dashboards, and creating defensible analytic models aligned with GEOINT tradecraft.
Python, SQL, ArcGIS
3w
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Data Scientist Geospatial Analytics (Chesterfield, MO -Missouri, US, 63017)
Chesterfield, Missouri, United States
OnsiteFull Time
Bunge
BungeNew York Stock Exchange: BG: Connecting farmers to consumers with agricultural commodities and food ingredients.
5+ YOEMaster's degree in a quantitative field, 5+ years in remote sensing/geospatial analytics or agricultural data science, advanced Python and SQL, experience with satellite imagery (Sentinel/Landsat/MODIS), cloud platforms, strong communication and modelling skills.
Sentinel 1/2, Landsat, MODIS, Google Cloud Platform, AWS, Google Earth Engine, BigQuery, Python, pandas, NumPy, scikit learn, statsmodels, TensorFlow, GeoPandas, rasterio, SQL
3mo
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Sr AI Engineer / Data Scientist
Chesterfield, Missouri, United States
RemoteFull Time, Contract
Koantek
Koantek: Systems integrator delivering Databricks-powered data and AI solutions.
4+ YOE4+ years hands-on experience building, deploying, and managing ML models in production; strong client-facing delivery mindset; expertise in ML, MLOps, GenAI/NLP.
Docker, Databricks, MLOps, LLMs, NLP, Apache Spark, CI/CD
1mo
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Maven Exploitation Specialist/ Data Scientist (Expert)
Springfield or St. Louis
$210k-$230k/yr OnsiteFull Time
BTS Software Solutions
BTS Software Solutions: Provides software engineering and technical solutions for defense missions.
4+ YOETS/SCI clearance (willing to take CI Poly),4+ years with SQL/NoSQL and cloud,API experience,Python/JavaScript/Java,building and maintaining ETL/data pipelines,metadata management,and strong written/verbal communication.
SQL, NoSQL, APIs, Python, JavaScript, Java, JSON, parquet, XML, CSV, GitLab, NGA CORE, NGA MLOps