1,119 Results for

Data Scientist Jobs in McLean, VA

Jobs

New!

Chantilly, VA4 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!

Washington, DC1 day ago

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, MD3 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.

McLean, VA26 days ago

$244,700–$279,200 Per Year

Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date : A Bachelors Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 9 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.

Ft. Belvoir, VA12 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!

Columbia, MDToday

$200,000–$210,000

This senior-level role focuses on applying advanced statistical, mathematical, and computational methods to extract insight from complex, large-scale datasets in support of mission-critical objectives. We are partnering with a premier national security customer to identify a Full-Time Data Scientist IV supporting advanced mission analytics and large-scale data exploitation initiatives.

New!

Washington, DCToday

$64.98–$64.98 Per Hour

Experience in predictive modeling, data science, and machine learning, including techniques like support vector machines, neural networks, and gradient boosting. Develop algorithms, scripts, and predictive analytics using AWS Sagemaker, AWS Bedrock, AWS AgentCore, and other AI & ML tools to turn disparate data into objective decisions.

Fairfax, VA16 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, VA13 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.

Washington DC, DC7 days ago

Be a guardian of data quality: You’ll ensure our datasets stay accurate and performant by using our observability tools to monitor quality and joining a weekly triage rotation to resolve data issues as they arise. Recent platform improvements the team has driven include launching a data catalog, introducing data observability, and implementing a medallion architecture to ensure our data is reliable, accurate, and accessible.

Rockville, MD13 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.

Rockville, MD11 days ago

RequirementsBachelor's degree or higher in Chemical Engineering, Bioengineering, Cell Biology, Data Science, or a related scientific or engineering field (Graduate degree preferred). System One, and its subsidiaries including Joulé and Mountain Ltd., are leaders in delivering outsourced services and workforce solutions across North America.

New!

Alexandria, VA1 day ago

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.

New!

Rockville, MDToday

$130,000–$165,000

Define computational pipelines for protein structure determination using structural and sequence-based methods coupled with AI, eg Rosetta. My client is expanding and seeks to hire a Scientist to collaborate with the research team and develop a protein-engineering platform.

Rockville, MD13 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!

Bethesda, MD1 day ago

$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!

Gaithersburg, MD4 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.

Columbia, MD11 days ago

$140,000–$150,000

This role applies deep computer science principles to offensive and defensive cryptologic missions, developing innovative tools and analytic techniques within a scientific framework. We are seeking a Full-Time Cryptologic Computer Scientist Level 3 to support advanced cryptologic mission operations.

McLean, VA28 days ago

$245,100–$279,800 Per Year

Currently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelors Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, Computer Engineering, Software Engineering, Mechanical Engineering, Information Systems or a related quantitative field). A Masters Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, Computer Engineering, Software Engineering, Mechanical Engineering, Information Systems or a related quantitative field) or an MBA with a quantitative concentration.

New!

Washington, DC4 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.

Washington, DC20 days ago

The Corporate Positioning & Insights practice within Strategic Communications enables our clients to solve their most complex communications and reputation management challenges using a product-driven, AI-centric approach. You will work with data scientists, technical leads, and client executives to deliver high-quality systems with a focus on reliability and excellent customer experience, becoming a trusted technical advisor throughout engagements.

Rockville, MD8 days ago

Our biotech client is expanding their world-class Antibody Engineering group and seeking an exceptional scientist with deep expertise in structural biology and protein engineering, with a strong drive to apply structural insight to antibody discovery and optimization. Apply protein structure/function expertise to challenging drug targets — including membrane proteins and conformational epitopes — translating structural knowledge into actionable engineering hypotheses.·

Rockville, MD11 days ago

$115,000–$150,000

Develop and advance next-generation phage display methodologies — including guided selection strategies, structure-informed panning, and epitope-directed approaches — expanding platform capabilities well beyond conventional campaign execution. Integrate AI/ML and computational tools into phage display workflows, leveraging generative protein design, protein language models, and in silico affinity prediction to accelerate lead identification and optimization.

New!

Washington, DC1 day ago

$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.

McLean, VA26 days ago

$314,800–$359,300 Per Year

We require deep expertise in AWS infrastructure, Lakehouse architecture, Kafka, Flink, Spark, Snowflake, and Databricks mature these enterprise-scale systems and execute technical strategy. Evangelists, both internally and externally, helping to elevate the Distinguished Engineering community and establish themselves as a go-to resource on given technologies and technology-enabled capabilities.

New!

Fort Meade, MD3 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.

Washington, DC20 days ago

Partner with teams and data stewards to coordinate and perform various audits and assessments (PIA, DPIA, TIA, AI impact assessment, Data Inventories, etc.) as needed to support privacy by design and AI governance principles, drive operational accountability and ensure ongoing compliance and risk management; Maintain risk registers and risk matrices to support PIMS, etc. 2 years navigating, negotiating, and reviewing commercial agreements involving complex data protection, AI terms, information technology and security schedules, cross border data transfers and operational service levels, technical requirements within large-scale cloud ecosystems (Azure, AWS, Google Cloud, etc.).

Washington DC, DC22 days ago

You will collaborate with architects, engineers, and cross-functional stakeholders across Samsara to brainstorm, design, rapidly prototype, and productionalize AI-driven features and capabilities that integrate deeply into real business workflows. Samsara (NYSE: IOT) is the pioneer of the Connected Operations™ Cloud, which is a platform that enables organizations that depend on physical operations to harness Internet of Things (IoT) data to develop actionable insights and improve their operations.

Rockville, MD13 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.

New!

Reston, VA4 days ago

$100,600–$199,000 Per Year

There is a different range applicable to specific work locations, within the San Francisco Bay area and New York City metropolitan area, and the base pay range for this role in those locations is USD $131,400 - $215,400 per year. As a Software Engineer II in Microsoft’s Sovereign Cloud Security team, you’ll help design, deliver, and secure highly reliable services that underpin both internal security platforms and customer‑facing cloud offerings.

Laurel, MD11 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, MD13 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, MD13 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!

Reston, VA4 days ago

$100,600–$199,000 Per Year

Collaboration skills will be required to work closely with other engineering teams to ensure services and systems are highly stable, meet performance Service level agreements (SLA), and meet the expectations of internal and external customers and users. The Microsoft Security organization accelerates Microsoft’s mission and bold ambitions to ensure that our company and industry is securing digital technology platforms, devices, and clouds in our customers’ heterogeneous environments, as well as ensuring the security of our own internal estate.

Washington DC, DC11 days ago

Remote

You believe customers are more than a number: Samsara engineers enjoy a rare closeness to the end user and you will have the opportunity to participate in customer interviews, collaborate with customer success and product managers, and use metrics to ensure our work is translating into better customer outcomes. • You want to impact the industries that run our world: The software, firmware, and hardware you build will result in real-world impact—helping to keep the lights on, get food into grocery stores, and most importantly, ensure workers return home safely.

New!

Rosslyn, VA4 days ago

Work with data scientists and analysts to rapidly design, implement, test, and deploy applications capable of tackling complex analytical tasks using large datasets. The selected individuals will need to live in the DC Metro area to report to HQ in Arlington, VA twice per month (a minimum of 2 days per 2-week period on average).

Laurel, MD11 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!

Washington, DC4 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.

McLean, VA25 days ago

$197,300–$225,100 Per Year

The Risk Manager, Insider Threat represents a unique opportunity for those with hands-on cybersecurity technical and operational experience who have a desire to leverage and enhance that expertise in a risk management organization. This individual will have the ability to use technical skills and cyber subject matter expertise to provide effective oversight, credible challenge, and expert advice to help manage and control risk associated with cyber operations.

New!

McLean, VA4 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.

Washington DC, DC11 days ago

Remote

$150,000–$165,000 Per Year

Sitting above data platforms, cloud infrastructure, and AI services, Dataiku connects the full enterprise AI stack — empowering organizations to run AI across multi-vendor environments with centralized governance. The final compensation package for this role will be determined during the interview process and is based on a variety of factors, including, but not limited to, geographic location, internal equity, education, skill set, experience and training.

Washington DC, DC11 days ago

Remote

$145,000–$150,000 Per Year

Sitting above data platforms, cloud infrastructure, and AI services, Dataiku connects the full enterprise AI stack — empowering organizations to run AI across multi-vendor environments with centralized governance. We’re looking for someone who can express passion about new technologies and the possibilities of Data and Advanced Analytics to enterprise customers across a range of industries within an extensive network.

New!

Laurel, MD4 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, MD11 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, MD11 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, VA22 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, DC4 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.

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Data Scientist Jobs in McLean, VA

Jobs

Senior Data ScientistLeidos

Data ScientistCapgemini Government Solutions

Data Scientist SME Automation SpecialistLeidos

Director, Data Scientist - US Card (Mainstreet Acquisitions)Discover Financial Services

Data ScientistCalibre Systems

Data Scientist IV - TS/SCI with Full Scope PolygraphGables Search Group

Data ScientistSystem One

Entry level Java spring boot developer/ data scientistSynergisticIT

Data Scientist Associate - OnsiteGenesis10

Senior Data EngineerMozilla

Data Linkage Program ManagerCalibre Systems

Scientist 1Joulé

Intern/Software EngineeringCalibre Systems

Scientist, Software EngineerL3Harris Technologies

Scientist, Enzyme and Protein EngineeringGables Search Group

Data Linkage Task LeadCalibre Systems

Senior Data EngineerJobot

Principal Data ArchitectLeidos

Cryptologic Computer ScientistGables Search Group

Sr. Director, Product Management - AI/ML Platform IntelligenceDiscover Financial Services

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

Director, Full Stack Engineer - Digital & InsightsFti Consulting

Senior Scientist, Protein Engineering & Structural BiologyGables Search Group

Senior Scientist, Antibody EngineeringGables Search Group

Solutions Architect - (Data Engineering)Jobot

Senior Distinguished Data EngineerDiscover Financial Services

Sr. Instructional DeveloperGovcio LLC

Data Scientist, AI PilotsGDH Consulting

Senior Director, Data Governance & Privacy Operations (GRC)Fti Consulting

AI EngineerSamsara

PPRLA Program ManagerCalibre Systems

Software Engineer II - CTJ - PolyMicrosoft

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

PPRLA Project ManagerCalibre Systems

PPRLA Task LeadCalibre Systems

Software Engineer II - CTJ - Top SecretMicrosoft

Staff Machine Learning EngineerSamsara

Full Stack DeveloperPlanIT Group

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

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

Risk Manager, Insider ThreatDiscover Financial Services

Director of AIVaco LLC

Strategic Account Executive - RemoteDataiku

Enterprise Account Executive - RemoteDataiku

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

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