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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Data Scientist - **Company:** CASTALIA SYSTEMS LLC - **Location:** St. Louis, MO, United States - **Experience:** Experienced - **Contract:** Permanent contract - **Skills:** Application Programming Interfaces (APIs), Data Analysis, ArcGIS (Software), Big Data, Information Systems, Databases, Data Integrity, Data Mining, Data Visualization, Spatial Databases, Geospatial Intelligence, Spatial Data Infrastructures, SQL Databases, Management of Software Versions, Web Services, Esri GIS (Software), Scripting, Data Analytics, Data Management - **Published:** September 18, 2026 - **Apply:** https://jobs.localjobnetwork.com/apply/add/86348440/1 ## About the Role * Bachelor's degree in related field * At least 4 years of full-time experience creating and applying algorithms and statistical methods to data, visualizing data, and developing database architecture * Demonstrated experience with Python scripting using ArcGIS API, ArcPy and GeoPandas libraries * Demonstrated experience of script validation, documentation, and modification * Demonstrated experience with geo-spatial data extraction, validation, and conditioning * Demonstrated understanding of data analytics and statistics * Demonstrated experience developing SQL queries Desired Qualifications: * Knowledge and experience with geodatabase creation and management * Creative problem solving in a team environment * Knowledge of ESRI Web maps and experiences * Effective oral and written communication skills * Experience with commercial satellite imagery, satellite collections, and collection tasking methodologies * Knowledge of remote sensing Physical Requirements/Work Environment * Normal office environment. Travel Less than 5%. ## Description Castalia is seeking a highly skilled Data Scientist with a TS/SCI clearance and CI Polygraph to support a government customer in the St. Louis, Missouri area., * Work in a team environment and interact with production offices, analysis, and data owners as required * Document, manage, and automate enterprise geodatabase synchronizations and workflows * Automate processes through scripting and model building within ESRI Portal technology to develop and maintain map services * Independently identify, document, address, and communicate technical challenges * Perform data management tasks to include data extraction, validation and manipulation * Perform data analysis to assess integrity, identify patterns, and communicate corrections for shortfalls * Perform statistical analysis of data to identify trends and patterns and to build reports for Source Foundation (SF) leadership, the IC, and DoD (or NSG) * Deliver schema maps and entity resolution across disparate geospatial data sources through data scientist applied expertise in the subject * Document and visualize data both temporarily and spatially to assist in data integrity checks, ask the next question, and display analytical assessments * Develop and apply methods to identify, collect, process, and analyze large volumes of data to build and enhance GEOINT processes, and systems * Provide support to product GEOINT web services publication to develop application-ready content, support GEOINT content metadata-tagging to enable content discovery; and publish GEOINT web services * Implement ESRI Story Maps in a classified environment * Support and manage geodatabase versioning workflows * Provide dashboard support through various platforms to provide business analytics * Provide support to data visualization to convey findings and communicate insights utilizing capabilities such as IC Portal and other dynamic viewers * Design, develop, program, and test applications and exchange data within and amongst information systems ## Related Videos - [Alibaba Big Data and Machine Learning Technology](https://www.wearedevelopers.com/videos/37-alibaba-big-data-and-machine-learning-technology) - [JavaScript? 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