1,108 Results for

Data Scientist Jobs in McLean, VA

Jobs

New!

Chantilly, VA3 days ago

$154,050–$278,475

This role supports customers operating in classified environments and requires close collaboration with subject matter experts, designers, engineers, analysts, and mission stakeholders to deliver innovative, operationally relevant data science and AI solutions. Master’s degree in Data Science, Computer Science, Statistics, Mathematics, Engineering, or a related quantitative field with 15+ years of relevant experience, or Bachelor’s degree with 18+ years of relevant experience.

New!

Chantilly, VAToday

They help clients define their information strategy, architecture, and governance, get the most value from business intelligence and analytics, and implement enterprise content and data management solutions to enable business insights, reduce cost and complexity, increase trust and integrity, and improve operational effectiveness. This high performing team works with clients to implement the full spectrum of data analytics and data science, from data querying and data wrangling to data visualization and dashboarding for business intelligence (BI), to predictive analytics, machine learning, and artificial intelligence.

New!

Chantilly, VAToday

New!

Washington, DCToday

Minimum of three (3) years of professional experience (relevant advanced degrees may substitute equivalent number of years) with data science, AI/ML, or deep learning delivery responsibilities such as: Designing and developing data models and algorithms for multi-objective optimization and decision making. The disclosed range takes into account the wide range of factors that are considered in making compensation decisions including, but not limited to, geographic location, relevant education, qualifications, certifications, experience, skills, seniority, performance, sales or revenue-based metrics, and business or organizational needs.

New!

Odenton, MD2 days ago

$154,050–$278,475

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com. May 8, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Ft. Belvoir, VA11 days ago

CALIBRE is seeking an experienced Instructor/Facilitator – Data Analytics to support training and education efforts at the Army Force Management School (AFMS) at Fort Belvoir, VA. This role will serve as a subject matter expert responsible for delivering instruction on data analytics tools, methodologies, and their application within Army force management.

New!

Arlington, VAToday

Remote

$135,000–$225,000 Per Year

The Associate Director will oversee cross-functional teams and collaborate directly with client executives and business leaders to drive value through cutting-edge evaluation of program including of load management and demand response, energy efficiency, renewable, EV, energy storage, decarbonization, and electrification. We are seeking an experienced Associate Director to join our growing AI and Data practice, with a dedicated focus on Evaluation, Measurement & Verification (EM&V) of utility energy efficiency and demand side management (DSM) programs for commercial energy providers.

Fairfax, VA15 days ago

$78,000–$136,000 Per Year
Temporary
Contractor
Full-time

SynergisticIT focuses on roles such as entry-level software programmers, Java full stack developers, Python/Java developers, Data Analysts, Data Engineers, Data Scientists, and Machine Learning Engineers. Many candidates spend months learning frameworks and finishing courses, only to freeze during technical screens, system questions, or behavioral rounds.

McLean, VA12 days ago

$48.57–$52.57 Per Hour
Temporary
Contractor
Full-time

Ranked a Top Staffing Firm in the U.S. by Staffing Industry Analysts for six consecutive years, Genesis10 puts thousands of consultants and employees to work across the United States every year in contract, contract-for-hire, and permanent placement roles. The successful candidate will codify existing methodologies into functional code, create automation dashboards using SAS, Python, and React libraries, and support business areas with advanced statistical and quantitative analysis.

Rockville, MD12 days ago

This position is accountable for end-to-end delivery of the PPRLA task, providing strategic leadership, technical oversight, and federal compliance assurance to ensure development, validation, and operationalization of a secure, automated record linkage solution. We are looking for a highly motivated Privacy‑Preserving Record Linkage Automation (PPRLA) Program Manager to join our dynamic team supporting a federal client.

New!

Alexandria, VAToday

This intern will work with a cross-functional team of software engineers, data scientists, and analysts supporting rapid prototyping and application development efforts, including AI-enabled solutions, service integrations, and cloud-based platforms. As a Software Engineering Summer Intern, you may support activities such as: Assist in designing, building, and testing software applications and prototypes using Python.

New!

Chantilly, VAToday

$161,500–$300,500 Per Year

Enterprise Integration: Engineer and integrate cutting-edge capabilities, seamlessly merging legacy and emerging technologies to deliver robust mission solutions across complex government and DoD environments. With customers’ mission-critical needs always in mind, our employees deliver end-to-end technology solutions connecting the space, air, land, sea and cyber domains in the interest of national security.

Rockville, MD12 days ago

This position is involved with the delivery of secure, high‑quality, and scalable linkage, and the preparation, documentation, and distribution of Center for Medicare and Medicaid (CMS) and other data to support comprehensive research analysis through automated, AI-enabled workflows. We are looking for a highly motivated Data Linkage Technical Task Lead to join our dynamic team supporting a federal client.

New!

Gaithersburg, MD3 days ago

$131,300–$237,350

As part of a large-scale Scaled Agile (SAFe) software development organization, you will serve as a technical leader and strategic architect, shaping enterprise data solutions that bridge mission needs, systems engineering rigor, and modern Agile delivery. This role is ideal for a highly experienced architect who can operate at both strategic and hands-on levels, influence across teams and programs, and drive the evolution of scalable, secure, and resilient data ecosystems.

New!

Bethesda, MDToday

$140,000–$180,000 Per Year

The organization partners, acquires, or in-licenses drugs from pharma companies, research organizations, and biotechs to develop programs past clinical proof of concept and beyond, ultimately helping to bring new medicines to patients. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Arlington, VAToday

$113,000–$188,000 Per Year

Demonstrated experience with: Cloud platforms: AWS (S3, Lambda, ECS, SQS), Azure (CosmosDB, Functions); Containerization and orchestration (Docker, Kubernetes); CI/CD tools (Jenkins, Maven, Git, Bitbucket, GitHub); Monitoring and logging tools (Splunk, CloudWatch, Kibana, Elasticsearch). Proficient experience with: Programming languages (Java, Python, SQL, Pyspark); Data pipeline and ETL development; Database technologies (Oracle, MySQL, Postgres, SQL Server, MongoDB); Data modeling, stored procedures, and API development (RESTful, SOAP).

New!

Washington, DC3 days ago

Remote

Our expert team includes social scientists that acquire, collect, and analyze data from health care organizations and patients; evaluators; health services researchers; health-policy analysts; and professionals with first-hand experience running and supporting health care programs. The successful candidate will support projects such as analyzing Medicare and Medicaid policy changes, informing program design and operations, and helping clients understand how payment structures, incentives, and performance measurement drive cost, quality, and access outcomes.

New!

Washington, DCToday

$140,000–$170,000 Per Year

We partner with top cloud platforms like Snowflake, AWS, Azure, GCP, Databricks, Fivetran, Pinecone, Glean, and dbt to deliver innovative data, cloud, and machine learning solutions that help enterprises unlock the true power of their data. Information collected and processed as part of your Jobot candidate profile, and any job applications, resumes, or other information you choose to submit is subject to Jobot's Privacy Policy, as well as the Jobot California Worker Privacy Notice and Jobot Notice Regarding Automated Employment Decision Tools which are available at jobot.com/legal.

New!

Fort Meade, MD2 days ago

$110,000–$120,000

Node Zero autonomous pen testing platform and (2) create and curate the training datasets required to enable future AI-powered cyber tools. Responsibilities: The Instructional Systems Developer (ISD) designs and develops training materials that prepare USCYBERCOMMAND personnel to (1) operationally use the Horizon3.ai

Washington, DC30+ days ago

Remote

Full-time
Employee

This role is fully remote, offering the opportunity to work on impactful projects that leverage artificial intelligence to improve operational efficiency, automate workflows, and support decision-making in secure government environments. * Design and Deploy AI/ML Solutions: Develop practical machine learning models and AI prototypes tailored to mission-critical government use cases such as workflow automation, document processing, and decision-support analytics.

Rockville, MD12 days ago

CALIBRE Systems, Inc., an employee-owned management consulting and digital transformation company, is looking for a highly motivated Privacy‑Preserving Record Linkage Automation (PPRLA) Program Manager to join our dynamic team supporting a federal client. This position is accountable for end-to-end delivery of the PPRLA task, providing strategic leadership, technical oversight, and federal compliance assurance to ensure development, validation, and operationalization of a secure, automated record linkage solution.

Laurel, MD10 days ago

$100,000–$245,000

The Johns Hopkins University Applied Physics Laboratory (APL) brings world-class expertise to our nation’s most critical defense, security, space and science challenges. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Rockville, MD12 days ago

This role will direct day-to-day execution of PPRLA workstreams, ensuring delivery of secure, high-quality, and scalable linkage solutions. We are seeking a highly motivated Privacy Preserving Record Linkage Automation (PPRLA) Project Manager to support a federal client.

Rockville, MD12 days ago

This role will lead delivery of key PPRLA technical components, driving secure development, rigorous testing and validation, and high-quality record linkage capabilities across assigned subtasks. The Task Lead will oversee technical execution, manage resources and schedules, and ensure delivery of scalable, high-quality linkage solutions.

New!

Washington, DC3 days ago

With world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale. The Health Care Evaluation Research team conducts evaluations and advanced analytics across Medicare, Medicaid, payment and delivery system reform, military and veterans’ health, drug policy, aging and disability, and other priority health policy areas.

Laurel, MD10 days ago

$62,900–$180,300

You’ll collaborate with technical experts to identify information needs, design research strategies, and deliver actionable insights that advance APL’s work in defense, security, space, and science. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

New!

McLean, VA3 days ago

$175,000–$200,000

Determining compensation for this role (and others) at Vaco by Highspring depends upon a wide array of factors including but not limited to: the individual’s skill sets, experience and training; licensure and certification requirements; office location and other geographic considerations; other business and organizational needs. This leadership role will focus on developing scalable AI systems, overseeing AI engineering teams, and implementing Generative AI and automation capabilities that enhance operational efficiency and innovation.

New!

Laurel, MD3 days ago

$100,000–$245,000

Experience with (1) Static Analysis tools such as Coverity and Klockwork, (2) Dynamic Analysis tools such as Valgrind, libFuzzer, and Java Pathfinder, (3) Symbolic Execution Engines such as KLEE and angr, (4) Model Checkers such as TLA+ and SPIN, (5) SMT Solvers such as Z3, CVC5 and MathSAT (6) other Automated Theorem Provers such as ACL-2 and GnatProve, (7) Interactive Theorem Provers such as Lean and Rocq, and any other formal methods tools. Experience with formal methods tools and techniques, such as language safety properties, symbolic execution, abstract interpretation, model checking, automated and interactive theorem proving, programming language analysis and design, type theory, static source code analysis, and formal logic.

Laurel, MD10 days ago

$100,000–$245,000

You will also collaborate with our software development team on improving our custom tools, including designing efficient data representations for large datasets, testing accurate interactions across interdependent algorithms, and automating production analysis pipelines. Your primary responsibilities will be developing models and performing analysis on sensor, tracker, communication, and weapon systems for mission-level simulations using AFSIM, with the goal of discovering useful information, informing conclusions, and supporting decision-making.

Laurel, MD10 days ago

$85,000–$195,000

You will work in a teamed environment to analyze live tactical sensor data; identify and solve problems that impact mission requirements; compare to physics-based simulations that provide unprecedented realism and new levels of understanding of system performance in operationally realistic environments in the presence of the world's most challenging threats. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.

Rosslyn, VA21 days ago

Full-time
Employee

We are seeking an experienced Staff or Senior Machine Learning Engineer with deep expertise in Large Language Models (LLMs), Mixture of Experts (MoEs), and Natural Language Processing (NLP). You’ll collaborate closely with research and engineering teams to design, build, and optimize models that work with both structured and unstructured language data.

New!

Washington, DC3 days ago

Our expert team includes social scientists that acquire, collect, and analyze data from health care organizations and patients; evaluators; health services researchers; health-policy analysts; and professionals with first-hand experience running and supporting health care programs. With world-class benefits, a business casual environment, and an emphasis on continuous learning, NORC is a place where people join for the stellar research and analysis work for which we’re known, and stay for the relationships they form with their colleagues who take pride in the impact their work is making on a global scale.

Chantilly, Virginia30+ days ago

Qualifications: Requirements:All positions require: TS/SCI with PolyLevel 2 Data Scientist:Data Scientist Level 2 Qualifications: Bachelor's degree or equivalent and five (5) years of relevant experience in data science, mathematics, statistics, business analytics, or equivalent quantitative field, preferably with exposure to cybersecurity applications and/or operations. Data Scientist Level 3 Qualifications: Bachelor's degree or equivalent and seven (7) years of relevant experience in data science, mathematics, statistics, business analytics, or equivalent quantitative field, preferably with exposure to cybersecurity applications and/or operations.

Annapolis Junction, MD30+ days ago

Full-time

A minimum of ten (10) years of experience in two (2) or more of the following: designing/implementing machine learning, data mining, advanced analytical algorithms, advanced statistical analysis, artificial intelligence, or software engineering with data analysis software such as R, Python, SAS, or MATLAB. We also provide customer solutions in the areas of CND, CNE, and CNO by providing our customers with assessments and solutions in Threat Mitigation, Vulnerability Exposure, Penetration Testing, Threat Hunting, and Preventing Advanced Persistent Threat.

New!

Bethesda, Maryland4 days ago

You will design and prepare analytical datasets, conduct exploratory and statistical analysis, develop and maintain machine learning and forecasting models, configure and deploy AI/ML products, build interactive dashboards, and clearly communicate insights to higher education leaders and staff. Developing classification models to predict admitted student yield, enrolled student retention, or on-time graduation, and presenting results to university leaders designing programs to improve student outcomes and support institutional success.

Fort Belvoir, VA30+ days ago

Full-time

Bachelor’s degree in data science, statistics, computer science, mathematics, or a related field with 2+ years’ experience, or a Master’s degree in data science, statistics, computer science, mathematics, or a related field. You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions.

Annapolis Junction, MD20 days ago

You will need to to have experience designing and building customized capabilities to enable Retrieval Augmented Generation (RAG) for multiple enterprise data sets, agentic AI systems to automate and orchestrate decision-making actions across specialized AI resources, and Docker-based microservices, user-facing GUIs, and cloud-hosted services (Kubernetes architecture) hosted on AWS/Azure/Google service platforms. physics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e. behavioral, social, or life) may be considered if it included a concentration of coursework (5 or more courses) in advanced Mathematics (typically 300 level or higher, such as linear algebra, probability and statistics, machine learning) and/or computer science (e.g.

Fort Belvoir, VA30+ days ago

Full-time

You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions. The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Journeyman Data Scientist to support a multi‑disciplinary team providing data analysis and visualization support across the Department of War (DoW) mission space.

New!

Annapolis Junction, MD3 days ago

Full-time

At Independent Software, as a Data Scientist Level 3, you will support mission-critical national security operations by applying advanced data science, machine learning, and statistical techniques to large-scale, complex datasets. Leveraging strong programming skills and analytical expertise, you will develop automated workflows, refine analytical models, and support data-driven decision-making in dynamic mission environments.

Herndon, Virginia30+ days ago

$86,000–$138,000 Per Year

The Data Scientist - Object Based Intelligence (OBI) Analytic Efficiency utilizes expertise in discovering and analyzing complex data sets and data sources to derive actionable insights using statistical methods, machine learning and data visualization tools. OBI specifically, supports the Senior and Mid-Level Data Scientists in performing the following: Design, develop, and evaluate leading-edge algorithmic intelligence concepts, practices, and technologies for implementation into OBI.

Washington, DC30+ days ago

Exiger is named a Leader in the Gartner® Magic Quadrant for Supplier Risk Management, twice selected as one of Fast Company's 'Brands That Matter,' and recipient of the Third Party Risk Association's Innovator Award, Exiger's technology has been recognized by leading analyst evaluations and 50+ awards. Our AI platform, 1Exiger, delivers instant visibility into complex supplier ecosystems, leveraging proprietary data and advanced AI to surface risk, automate compliance, and unlock efficiencies and cost savings to strengthen long-term resilience.

Fort Belvoir, VA30+ days ago

Full-time

You will support data-driven decision making by analyzing data, developing basic models, creating visualizations, and generating actionable insights as part of a multi-disciplinary team delivering analytical and software solutions for national security missions. The Capabilities, Analysis and Development (CAD) division of Applied Research Associates, Inc. (ARA) has an outstanding opportunity for a Senior Data Scientist to support a multi‑disciplinary team providing data analysis and visualization support across the Department of War (DoW) mission space.

Tysons, VA19 days ago

$100,000–$220,000

The Data Scientist/ML Engineer will work directly with data scientists, software engineers, and subject matter experts in the definition of new analytics capabilities able to provide our federal customers with the information they need to make proper decisions and enable their digital transformation. Hands-on experience deploying and operating applications using IaaS and PaaS on major cloud providers, such as Amazon AWS, Microsoft Azure, or Google Cloud Services.

Arlington, VA12 days ago

Advanced degree (MS or PhD) in statistics, computer science, data science, mathematics, analytics, engineering, or related fields; experience applying advanced statistical concepts including sampling considerations, bias detection, weighting techniques, handling missing or outlier data, exploratory analysis, and longitudinal forecasting; and understanding of the data analytics lifecycle (e.g., CRISP-DM). You will work directly with government clients, program managers, and technical teams to understand business and compliance challenges, design analytical approaches, and deliver data-driven solutions that inform enforcement, audit prioritization, and fraud prevention efforts.

Annapolis Junction, Maryland30+ days ago

$200,000–$230,000 Per Year

The PEA program will support TSA as it continues to look for ways to enhance its layered approach to security through new state-of-the-art technologies, expanded use of existing and proven technologies, improved passenger identification techniques, and other developments that will continue to strengthen anti-terrorism capabilities. On-premises and Cloud database, data science, and data analytics environmentsIBM Integrated Analytics System, IBM Sailfish (formerly Netezza; hardware-accelerated database appliance), AWS Redshift, or similar products.

Herndon, Virginia30+ days ago

$104,000–$166,000 Per Year

The Data Scientist - Object Based Intelligence (OBI) Advanced Analytic Method Augmentation utilizes expertise in discovering and analyzing complex data sets and data sources to derive actionable insights using statistical methods, machine learning and data visualization tools. Responsibilities: Peraton has an opportunity for you to join our military intelligence program(s) of record to deliver, operate and sustain modernized, transformed data science/ data analysis environments worldwide that enable speedy and precise decision making to warfighters.

Chantilly, VA30+ days ago

We're particularly interested in people with any of the following experience: - developing AI / ML models (neural networks, tree based algorithms, etc.); - conducting data analysis in the fields of Computer Vision, NLP, or audio signal processing; - doing data ingest and ETL into sponsor environments; or. Our team is charged with taking commercial and academic innovation high-side, in domains of Artificial Intelligence / Machine Learning (AI / ML) such as Computer Vision (Image and Video Processing), Natural Language Processing (NLP), and Audio Modeling.

Washington, DC30+ days ago

Remote

$117,600–$161,700 Per Year

To ensure Home or Hybrid Home/Office associates’ ability to work effectively, the self-provided internet service of Home or Hybrid Home/Office associates must meet the following criteria: + At minimum, a download speed of 25 Mbps and an upload speed of 10 Mbps is recommended; wireless, wired cable or DSL connection is suggested. Through our Humana insurance services and CenterWell healthcare services, we make it easier for the millions of people we serve to achieve their best health – delivering the care and service they need, when they need it.

Washington D.C., DC30+ days ago

$78,000–$138,000 Per Year

Strong knowledge of statistical data analysis and machine learning techniques (e.g., SVM, regression, classification, clustering, time series) and familiarity with financial analytics, time series econometrics, payment processing and marketing strategies. + Proficiency in tokenization and embeddings, as well as experience creating models, improving model training and tuning, and deploying Large Language Model architectures based on LLaMA, BERT, or Transformer-based models.

Herndon, Virginia30+ days ago

$112,000–$179,000 Per Year

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Data Scientist Jobs in McLean, VA

Jobs

Senior Data ScientistLeidos

Senior Data ScientistGuidehouse

Data Scientist Senior ConsultantGuidehouse

Data ScientistCapgemini Government Solutions

Data Scientist SME Automation SpecialistLeidos

Data ScientistCalibre Systems

AI & Data Associate Director - Energy Providers EM&VGuidehouse

Entry level Java spring boot developer/ data scientistSynergisticIT

Data Scientist Associate - OnsiteGenesis10

Data Linkage Program ManagerCalibre Systems

Intern/Software EngineeringCalibre Systems

Scientist, Software EngineerL3Harris Technologies

Data Linkage Task LeadCalibre Systems

Principal Data ArchitectLeidos

Senior Data EngineerJobot

Data EngineerGuidehouse

Research Scientist – Value-based payment (VBP) and delivery system transformation - Chicago, Washington DC or RemoteU of C NORC

Solutions Architect - (Data Engineering)Jobot

Sr. Instructional DeveloperGovcio LLC

Data Scientist, AI PilotsGDH Consulting

PPRLA Program ManagerCalibre Systems

Artificial Intelligence (AI) Project LeaderJohns Hopkins Applied Physics Laboratory (APL)

PPRLA Project ManagerCalibre Systems

PPRLA Task LeadCalibre Systems

Research Associate I - Health Policy Research - Washington DC Hybrid OfficeU of C NORC

Science & Technology Research LibrarianJohns Hopkins Applied Physics Laboratory (APL)

Director of AIVaco LLC

Formal Verification and Software Assurance EngineerJohns Hopkins Applied Physics Laboratory (APL)

AFSIM AnalystJohns Hopkins Applied Physics Laboratory (APL)

Radar Systems EngineerJohns Hopkins Applied Physics Laboratory (APL)

Machine Learning EngineerAlderson Loop LLC

Research Associate I - Health Care Programs Research - Washington DC Hybrid OfficeU of C NORC

Data ScientistVTG

Senior Data Scientist / Machine Learning Engineer (Partial Telework)GliaCell Technologies

Data Scientist IHelioCampus

Junior Data ScientistApplied Research Associates, Inc

Data Scientist 4Gormat

Journeyman Data ScientistApplied Research Associates, Inc

Data Scientist, Level 3Independent Software

Junior Data Scientist - Object Based Intelligence (OBI) Analytic EfficiencyPeraton

Data ScientistExiger

Senior Data ScientistApplied Research Associates, Inc

Data Scientist/Machine Learning Engineer - TS/SCI with Poly required (req-235)CATHEXIS

Data ScientistElder Research

Data Scientist – AI/MLIntegral

Data Scientist - Object Based Intelligence (OBI) Advanced Analytic Method AugmentationPeraton

Data ScientistGRVTY

Senior Data ScientistHumana

Senior Data ScientistFiserv

Senior Data Scientist - Object Based Intelligence (OBI) Analytic EfficiencyPeraton

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