2,645 Results for

Data Scientist Jobs in Reston, VA

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Data Scientist - Senior Job#822 Allen Integrated Solutions

Springfield, Virginia

3+ years of experience doing quantitative analysis, developing visualizations, and processing complex data to create data-driven insights. Experience working with multiple file types including geospatial file formats, JSON, XML, etc.

30+ days ago

AI/ML Engineer/Data Scientist / Public Trust Peraton

Warrenton, Virginia

$104,000–$166,000 / year
Full time

As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted, highly differentiated solutions and technologies to protect our nation and allies. Peraton Overview: Peraton is a next-generation national security company that drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy.

30+ days ago

Senior Data Scientist (RMF) Bytoa

Columbia, Maryland

We are seeking an experienced Data Scientist with a passion for RMF and applying ML / AI techniques to it. If so, refer them to us with their name and contact details, and you could be eligible for a referral bonus of up to $10,000 for each successful hire.

30+ days ago

Data Scientist Engineer Level 2 Peraton

Laurel, Maryland

$176,000–$282,000 / year
Full time

Bachelor's degree from an accredited college or university in a quantitative discipline (e.g., statistics, mathematics, operations research, engineering, or computer science) and five (5) years of experience analyzing datasets and developing analytics, as well as five (5) years of experience programming with data analysis software such as R, Python, SAS, or MATLAB. You will work closely with technical teams, analysts, subject matter experts, and customer leadership to transform complex data into actionable insights and transition innovative algorithms and research concepts into scalable, production-ready capabilities.

30+ days ago

CBRN Data Scientist Apogee Engineering, LLC

Arlington, Virginia

$100,000–$145,000 / year
Full time

Analyze OPLANS, Force Models, intelligence, CBRN threats, delivery means, and environmental effects to assess the operational impact on DAF missions, including aircraft sorties, logistics, equipment, and personnel. In this role, you will provide highly specialized scientific and technical analysis to translate complex Chemical, Biological, Radiological, and Nuclear (CBRN) data into actionable operational insights for the Department of the Air Force (DAF).

30+ days ago

Lead Data Scientist Peraton

Suitland, Maryland

$146,000–$234,000 / year
Full time

This role requires close collaboration with data engineering, architecture, application development, and operational teams to ensure AI/ML capabilities are production-ready, scalable, explainable, and integrated into enterprise workflows. This program is driving a large-scale transformation of systems into a data-centric, cloud-native ecosystem capable of supporting high-volume, near real-time data processing and advanced analytics.

14 days ago

Platform Data Engineer - US Defense Public Sector McKinsey & Co Inc

Washington DC, DC

Your work would include but wont be limited to creation of the python code, tests, creation and modification of CI/CD pipelines, working with multiple cloud infrastructures (AWS, Azure, GCP) and docker containers. You will work in a team of data engineers to develop data ingestion pipelines, create and mature data processing capabilities that ingest data into a data system used by GenAI applications.

30+ days ago

Manager, Data Science PenFed Credit Union

McLean, Virginia

$97,400–$191,080 / year
Full time

Demonstrate strong data analysis skills, ability to understand underlying data and complex loss/balance forecasting models, various product features, possess organizational and prioritization skills, as well as strong attention to detail. Ability to interact effectively with team members across the management team, Lines of Business (LOB), credit officers, finance, model governance, oversight, validation, and audit organizations.

30+ days ago

Junior Data Analyst ManTech International Corp

Ashburn, VA

$83,300–$139,800 / year

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. MANTECH's benefits offerings include, dependent upon position, Health Insurance, Life Insurance, Paid Time Off, Holiday Pay, short-term and long-term Disability, Retirement and Savings, Learning and Development opportunities, wellness programs as well as other optional benefit elections.

30+ days ago

Data Analyst ManTech International Corp

Arlington, VA

$104,200–$172,900 / year

There are differentiating factors that can impact a final salary/hourly rate, including, but not limited to, Contract Wage Determination, relevant work experience, skills and competencies that align to the specified role, geographic location (For Remote Opportunities), education and certifications as well as Federal Government Contract Labor categories. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations.

28 days ago

Mid Data Engineer Atlas Executive Consulting

Washington, DC

Ignite Digital Services is hiring a Data Engineer to independently build and optimize scalable data pipelines and infrastructure in support of a large federal enterprise multi-domain data ecosystem. Nor will Ignite Digital Services require, in a posting or otherwise, U.S. citizenship or lawful permanent residency in the U.S. as a condition of employment except as necessary to comply with law, regulation, executive order, or federal, state, or local government contract.

30+ days ago

Senior Data Engineer I - QuantumBlack, AI by McKinsey (Critical Industries) McKinsey & Co Inc

Washington DC, DC

Strong experience building Agentic AI, Generative AI, Machine Learning, and Business Intelligence systems, including prompt design, retrieval-augmented generation (RAG), embeddings, vector databases, context construction, and output handling in production workflows using modern frameworks (Spark, LangChain, Databricks, Dask, Airflow, Dagster, Kedro, etc.). Youll lead the integration of machine learning, Generative AI capabilities and agentic frameworks into client solutions, designing MLOps/LLMOps-focused architectures for model management, observability, and automated retraining.

30+ days ago

Senior Data Engineer I - QuantumBlack, AI by McKinsey McKinsey & Co Inc

Washington DC, DC

30+ days ago

Data Platform Architect Hatch IT

Falls Church, VA

This role will help delivery teams structure data pipelines, data products, analytics and ML workflows, and platform assets so solutions are consistent, reusable, governed, supportable, and production-ready. The successful candidate will provide hands-on guidance spanning data integration, DataOps, DevOps, MLOps, governance, security, compliance, performance optimization, and platform operations while helping teams move solutions from prototypes into reliable production environments.

30+ days ago

Aerosol Scientist Johns Hopkins Applied Physics Laboratory

Laurel, Maryland

Full time

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. Design and conduct laboratory and field experiments, including development of test plans, integration and operation of aerosol and biological measurement systems, and collection, analysis, and interpretation of experimental data.

30+ days ago

2027 PhD Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins University Applied Physics Laboratory LLC

Laurel, MD

If you are graduating with PhD in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math, or similar degrees and want to work in an exciting environment to solve challenging technical national security problems, we'd like you to join our team. Have a PhD, or will have PhD in near future, in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math or another related technical field.

30+ days ago

Applied Scientist, Internal Audit Amazon.com Inc

Arlington, VA

Partner with audit teams, product managers, engineers, and scientists to define and deliver machine learning and generative AI products that carry significant ambiguity, scale, and complexity, owning problems end-to-end, from framing through measurable impact. The team builds ML and AI solutions that expand self-service data utilization by audit teams, utilizing the right methods to derive deeper patterns, and surface insights to gain holistic perspectives while amplifying potential risk mitigation.

28 days ago

2027 Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins University Applied Physics Laboratory LLC

Laurel, MD

If you are graduating with a Bachelor's or Master's degree in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math, or similar degrees and want to work in an exciting environment to solve challenging technical national security problems, we'd like you to join our team. Have a Bachelor's degree in Electrical Engineering, Computer Science, Aerospace Engineering, Computer Engineering, Systems Engineering, Mechanical Engineering, Engineering Physics, Physics, Applied Physics, Applied Math, Math or another related technical field.

30+ days ago

Managing Consultant - Life Sciences Data & Analytics Guidehouse Inc

McLean, VA

$113,000–$188,000 / year

Work with strategy consulting teams and data science teams to design and execute data-driven projects, such as market sizing/segmentation, patient journey, provider profiling/targeting, provider affiliation mapping, epidemiology studies, managed care analytics, pull-through modeling/program design, forecasting, field force design, KPI/performance tracking, and incentive comp. Prioritize and handle multiple tasks, research, and analyze pertinent client, industry and technical matters, utilize problem-solving skills, and communicate effectively in written and verbal formats to various audiences (including multiple levels of management and external clients) in a professional business environment.

30+ days ago

Civil Engineer/Physical Scientist (Interdisciplinary) U.S. Department of the Interior

Washington, DC

$140,239–$182,316 / year

Land Management Workforce Flexibility Act (LMWFA): If you are applying under LMWFA, you must submit ALL Appointment AND Termination SF-50s for EACH appointment verifying the Position Occupied code 1-Competitive Service (block 34); AND Documentation of satisfactory performance for each period of temporary employment claimed, such as, performance evaluations, memorandum of record, whereas the supervisor(s) documented an acceptable performance level for a specified rating/employment period. Some of the major duties you will perform include but are not limited to the following: Serves as Project Manager / Team Leader for large, complex, and/or controversial hydrology and water resources analyses and investigations including planning, organizing, monitoring, and conducting highly technical work within developed and agreed upon budgets and schedules and regularly reporting progress to ensure successful project delivery.

12 days ago

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Data Scientist Jobs in Reston, VA

Data Scientist - Senior Job#822 Allen Integrated Solutions

AI/ML Engineer/Data Scientist / Public Trust Peraton

Senior Data Scientist (RMF) Bytoa

Data Scientist Engineer Level 2 Peraton

CBRN Data Scientist Apogee Engineering, LLC

Lead Data Scientist Peraton

Platform Data Engineer - US Defense Public Sector McKinsey & Co Inc

Manager, Data Science PenFed Credit Union

Junior Data Analyst ManTech International Corp

Data Analyst ManTech International Corp

Mid Data Engineer Atlas Executive Consulting

Senior Data Engineer I - QuantumBlack, AI by McKinsey (Critical Industries) McKinsey & Co Inc

Senior Data Engineer I - QuantumBlack, AI by McKinsey McKinsey & Co Inc

Data Platform Architect Hatch IT

Aerosol Scientist Johns Hopkins Applied Physics Laboratory

2027 PhD Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins University Applied Physics Laboratory LLC

Applied Scientist, Internal Audit Amazon.com Inc

2027 Graduate - Engineer/Scientist/Analyst Sensor Systems Johns Hopkins University Applied Physics Laboratory LLC

Managing Consultant - Life Sciences Data & Analytics Guidehouse Inc

Civil Engineer/Physical Scientist (Interdisciplinary) U.S. Department of the Interior

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