Data Scientist Jobs in Virginia, United States

Analytic Services Inc seeks Data Scientists and Analysts to analyze complex datasets, build models, and deliver insights for government clients. Candidates will clean data, create dashboards, perform statistical and predictive analyses, collaborate with stakeholders, and ensure data integrity in a fast‑paced environment.

Falls Technology seeks a Data Scientist / Data Modeler SME to support mission-focused data and analytics in McLean, VA. This senior role involves designing large-scale processing solutions using ECL and HPCC Systems, optimizing parallel data workflows, and developing robust data models for complex datasets. The position requires an active TS/SCI clearance with Polygraph and is located on-site in Virginia.

Data Scientist role supports Army National Guard budgeting and strategic planning by leading data analytics initiatives. The position facilitates planning, programming, and budgeting committee forums, coordinates with DoD staff, and develops secure web applications and databases.

Bureau Data Strategy team at Capital One transforms raw credit bureau data into high‑impact underwriting insights. The manager leads a cross‑functional group of data scientists, engineers, and product managers to build and deploy machine‑learning models using Python, Spark, AWS and H2O, turning massive numeric and textual datasets into actionable products.

Consumer Credit Risk Management Models and Data team at Capital One builds and deploys predictive loss models that guide strategic decisions. The Senior Associate Data Scientist develops, validates, and operationalizes machine learning models using Python, AWS, Spark and H2O, collaborating with data scientists, engineers and product managers.

Director, Data Scientist - External Data Strategy at Capital One leads a team of 10-15 data scientists to build data pipelines, advanced analytics, and models that enable the company to understand customers' financial lives. The role partners with cross‑functional teams of data scientists, software engineers, and product managers to deliver data and insights that drive business decisions.

As a Principal Associate, Data Scientist on the Retail Bank Valuations Data Science team at Capital One, you will partner with cross-functional teams to build and deploy machine learning models that unlock insights from billions of customer records. Day-to-day work involves leveraging a broad stack including Python, Conda, AWS, H2O, and Spark to reveal insights hidden in large volumes of numeric and textual data, and translating complex analytical work into tangible business goals.

The Servicing Intelligence team at Capital One builds applied generative AI solutions on unstructured, multi-modal data (text, image, audio) to embed AI across frontline agent servicing, back-office document processing, regulatory compliance, and customer experience. As a Senior Associate, Data Scientist, you will apply open-source LLMs and VLMs, build and operationalize ML/NLP models, and define AI observability and monitoring controls for production systems serving 80+ million customers.

GRVTY is seeking a Data Scientist to join a top project supporting the largest technology program in the Intel Community, based in McLean, VA. The role requires active TS/SCI with Polygraph clearance and involves owning analytic work on high-volume structured and unstructured data. Day-to-day duties include performing technical targeting analytic support, applying analytic judgement, and using Python, C, and SQL for large-scale parallel processing in clustered computing environments.

Booz Allen Data Science Team leverages AI, IoT and machine learning to turn complex data into actionable insights for public and private sector challenges. The Data Scientist partners with clients to explore, clean, analyze and model structured and unstructured data, building predictive algorithms and visualizations that drive informed decisions.

Swift is a mission-driven services and solutions company supporting civilian, defense, and intelligence customers. As a Data Scientist, you will analyze and model complex datasets, build interactive dashboards, and develop data infrastructures that enable machine learning workflows.

Level Up, LLC (a wholly-owned subsidiary of AVIAN) seeks a Data Scientist to join its IT and Analytic team supporting national security through innovative data science and analytics. You will work in a self-contained Big Data environment, handling large, complex, and disparate data sets, designing and implementing advanced analytics, developing custom searches, and participating in threat hunting and novel detection mechanisms.

As a Data Scientist at Booz Allen, you will apply data science techniques and data-driven tools to aid client service leadership and subject matter experts in increasing decision space, understanding strategic risk, and developing courses of action for DoD senior leadership. Day-to-day, you will design and execute statistical analyses on large, complex datasets, develop production-quality visualizations and dashboards, lead data science projects from scoping through delivery, collaborate with st

OneZero Solutions is seeking a Data Scientist to join Peraton's Department of State (DOS) Consular Systems Modernization (CSM) Program, for the Bureau of Diplomatic Technology (DT). This position is located in Herndon, VA. The Data Scientist will support predictive analytics, model development, and help inform architectural decisions for data science tools supporting an overall enterprise predictive analytics platform.

Level Up, LLC (a wholly-owned subsidiary of AVIAN) seeks a Data Scientist to join a top-tier IT and analytics team supporting national security through innovative data science and analytics. You will work in a self-contained Big Data environment, managing infrastructure, application development, and advanced analytics while designing novel ways to analyze and exploit large, complex data holdings.

As a Data Scientist at Booz Allen, you will turn complex structured and unstructured data into actionable insights that help clients across private and public sectors solve challenges ranging from fraud detection to cancer research and national intelligence. Day to day, you will partner with clients to define their questions, explore and clean their data-rich environments, and develop algorithms, predictive models, and systems using the right tools and frameworks to deliver objective answers and

J5 Consulting’s Data Scientist team builds front‑end prototypes for All Source Data Modeling and Analysis, leveraging JavaScript, Angular, AWS, Docker/Kubernetes, and Elasticsearch to support AI model integrations. The role involves designing responsive interfaces, integrating APIs, and collaborating with backend engineers to deliver scalable cloud solutions.

The Data Scientist on this team develops AI/ML models through training, fine-tuning, feature engineering, benchmarking, and deployment preparation, applying scientific methodology to extract insights and build predictive capabilities from data. Day-to-day work includes analyzing complex datasets, selecting and implementing machine learning algorithms, tuning hyperparameters, validating and testing models, preparing models for production, creating visualizations, collaborating with subject matter

Operational Support at Core One focuses on delivering analytical solutions for national security. The Data Scientist role drives data collection, improves workflows, and integrates analytics into existing platforms to support mission objectives.

KBR's National Security Solutions team delivers high-end engineering and advanced technology solutions to intelligence and national security customers. As a Data Scientist, you will design, develop, and maintain analytic solutions using ECL and HPCC Systems to process large-scale datasets, build data models, and collaborate with engineers and mission stakeholders to translate analytical requirements into technical solutions.