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The ideal candidate is passionate about data science, skilled in scripting, and eager to grow expertise in data science tools, techniques, and frameworks. This role focuses on analyzing complex cyber threat data, developing actionable insights, and supporting decision-making within the Task Force.

The Josef Group

Mid-Level Data Scientist – Cyber Threats

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NORC

Senior Data Scientist II - Program Management and Data Governance

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Experience developing data models, automation workflows, repeatable analytic processes, visualizations, dashboards, and data products that effectively communicate complex analytical findings and support operational decision-making. The ideal candidate is an experienced technical professional who can transform large, complex datasets into actionable intelligence, modernize analytic workflows, and develop scalable solutions that directly support enterprise decision-making and mission success.

YEAR

GRVTY

Data Scientist - Senior

GreenHouseAPI

Relevant experience may include machine learning, data science, advanced analytics, statistical analysis, programming, data management, data mining, data modeling, artificial intelligence, or software engineering. Degree should be in Mathematics, Applied Mathematics, Statistics, Applied Statistics, Machine Learning, Data Science, Operations Research, Computer Science, or a related technical discipline.

Independent Software

Data Scientist, Level 2

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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 Homeland Security (DHS) mission space. 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.

Applied Research Associates, Inc.

Journeyman Data Scientist

FULL_TIME

Works directly with government customers and the cloud development team to plan and execute testing, find and track defects through resolution, lead user acceptance testing, and ensure the product is usable, documented, and effective for mission users. Validate geospatial data quality (geometry validity, coordinate reference systems/projections, attribute completeness, spatial query accuracy) and test REST APIs/data services for correctness, error handling, security controls, and performance.

Bridge Core (BCore)

Geospatial Data Scientist & Quality Assurance Engineer

[AW]-iCims

The position will have a particular emphasis on single-cell RNA sequencing (scRNA-seq), scATAC-seq, bulk transcriptomics/epigenomics and spatial transcriptomics, including 10x Genomics Xenium, with opportunities to work with additional genomic, transcriptomic, proteomic, and imaging-based datasets. Establish and maintain workflows for 10x Genomics (preferably scRNAseq, Xenium, scATAC and multi-ome), smartseq datasets; related experience in image and transcript quality control, cell segmentation assessment, transcript assignment, cell-type annotation, spatial neighborhood analysis, and integration with complementary single-cell datasets.

Washington University in St Louis

Staff Scientist - Pathology & Immunology

This salary range represents a general guideline as MSD considers other factors when presenting an offer of employment, such as scope and responsibilities of the position, external market factors, and the candidate's knowledge, skills, abilities, education and experience. Establishes and monitors direct report performance and development goals, assigns accountabilities, sets objectives, establishes priorities, and provides continuous feedback and recognition on performance.

Meso Scale Diagnostics LLC

Associate Scientist, Quality

The ideal candidate is an experienced technical leader who can transform large, complex datasets into actionable intelligence, modernize analytic workflows, and develop scalable solutions that directly support enterprise decision-making and mission success. Your work will include designing compelling visualizations and dashboards that communicate complex findings in a clear, actionable manner, enabling mission partners to integrate data-driven insights into daily operations and strategic planning.

Senior Data Scientist

In order to do this job well, you must be a highly organized problem-solver and possess excellent oral and written communication skills, capable of translating complex AI concepts for both technical and non-technical audiences. In a typical week, the individual who fills this position could expect to: Spend the day onsite with users, listening to problems and asking questions seeking to understand pain points.

Forward Deployed Data Scientist

Bcore accelerates decisive advantage for warfighters and intelligence professionals by fusing human insight, rapid-fire engineering, precision-measured outcomes, and relentless grit into mission-ready solutions. Whether it’s architecting critical IT solutions, producing actionable intelligence, or developing cutting edge technology, we succeed because of the expertise, collaboration, and agility of our teams.

GeoYeti

Expert Data Scientist

Working alongside GEOINT analysts and government stakeholders, you will connect data across systems through APIs, track and share metrics, and help modernize how work gets done as mission needs evolve. Pay Range: At GRVTY, we understand that compensation is influenced by many factors—such as geographic location, federal contract labor categories, wage rates, prior experience, skillsets, education, and certifications.

Data Scientist - Mid

Support tasks that bridge the gap between complex mathematics and business strategy related to how an air traffic management (ATM) system would translate to lower fuel burden, less aircraft downtime, shorter block times, and faster flights. Tetra Tech AMT is looking for a Senior Data Scientist to support a highly visible new FAA project in the initial project standup of executable processes and analytics at the direction of FAA management for pre-departure planning.

Tetra Tech is a leading provider of consulting, engineering, and technical services worldwide. Our reputation rests on the technical expertise and dedication of our employees—16,000 people working together across disciplines and time zones to provide smart, sustainable solutions for challenging projects. We are proud to be home to leading technical experts in water, environment, infrastructure, resource management, energy, and international development. Tetra Tech combines the resources of a global, multibillion dollar company with local, client-focused delivery in 400 locations around the world. We offer competitive compensation and benefits and are searching for innovative people to join our teams.

Tetra Tech Inc

This role applies computer science principles to analyze complex software and cloud technologies, identify security vulnerabilities, and develop innovative capabilities that enhance Computer Network Operations (CNO). Description: Markon is seeking a Cryptologic Computer Scientist to support the Fort Meade customer by conducting advanced vulnerability research, reverse engineering, and software development to support mission-critical cyber operations.

Markon

Cryptologic Computer Scientist Level 3

You will work in Agile teams alongside data scientists, machine learning engineers, and industry experts to develop impactful analytics solutions that help clients unlock the full potential of their data. Collaborating with diverse Agile teams, you'll leverage cutting-edge technologies to create impactful solutions that support McKinsey's asset-based consulting model and help clients harness the full potential of their data.

McKinsey & Co Inc

Senior Data Engineer - Life Sciences.AI

Current TS/SCI clearance with polygraph; BS/BA and 2+ years of relevant experience, MS/MA and 0+ years of relevant experience, or no degree and 6+ years of relevant experience; 4 years of additional relevant experience may be considered in lieu of degree; Data science background with experience using multiple programming languages such as Python, R, and Ruby; Ability to provide technical support to enhance data management and database creation; Experience correlating and interpreting large amounts of data and detailing findings in a clear, concise manner; Experience with data visualization and reporting; Proven interpersonal, written, and oral communication skills; Ability to effectively communicate with diverse technical and non-technical audiences; Ability to apply critical thinking skills to resolve issues independently with minimal supervision. Responsibilities: Peraton is seeking a junior-level Data Scientist to help analyze and resolve key questions related to key issues of national security facing the United States.

Peraton drives missions of consequence spanning the globe and extending to the farthest reaches of the galaxy. As the world’s leading mission capability integrator and transformative enterprise IT provider, we deliver trusted and highly differentiated national security solutions and technologies that keep people safe and secure. Peraton serves as a valued partner to essential government agencies across the intelligence, space, cyber, defense, civilian, health, and state and local markets. Every day, our employees do the can’t be done, solving the most daunting challenges facing our customers.

Peraton

Data Scientist

Requires strong technical and computational skills - engineering, physics, mathematics, coupled with the ability to code design, develop, and deploy sophisticated applications using advanced unstructured and semi-structured data analysis techniques and utilizing high-performance computing environments. Analyze unstructured and semi-structured data, including latent semantic indexing (LSI), entity identification and tagging, complex event processing (CEP), and the application of analysis algorithms on distributed, clustered, and cloud-based high-performance infrastructures.

AI / ML Senior Data Scientist

Vantor is a place for problem solvers, changemakers, and go-getters—where people are working together to help our customers see the world differently, and in doing so, be seen differently. Vantor is seeking an ETL Engineer / Data Scientist to develop and maintain data pipelines that support mission applications, analytics, and data science workflows.

Vantor

ETL Engineer / Data Scientist (TS/SCI)

Working with cross-functional teams, you will translate requirements into governed data products, troubleshoot ETL issues, improve processing efficiency, and deliver dashboards, models, and decision-support artifacts that strengthen reconciliation, reporting, and enterprise analytics. You will use Databricks, Python, Spark, SQL, and distributed-compute tools to automate ingestion, enforce data quality, validate integrity, and integrate structured and semi-structured data across mission systems.

West 4th Strategy provides rapid response technology services to defense, civilian, and homeland security customers. We build and mobilize dynamic teams of qualified technologists who embody competence, professionalism, and a commitment to results.
We excel at moving fast to find the right people to get the job done.
And the best part of our technology teams? They make the government&rsquo;s mission their mission. Our teams work with a sense of purpose to power the government.
West 4th Strategy. Our work defines us.

Data Scientist Jobs in Mclean, VA

Mid-Level Data Scientist – Cyber Threats The Josef Group

Senior Data Scientist II - Program Management and Data Governance NORC

Data Scientist - Senior GRVTY

Data Scientist, Level 2 Independent Software

Journeyman Data Scientist Applied Research Associates, Inc.

Geospatial Data Scientist & Quality Assurance Engineer Bridge Core (BCore)

Staff Scientist - Pathology & Immunology Washington University in St Louis

Associate Scientist, Quality Meso Scale Diagnostics LLC

Senior Data Scientist GRVTY

Forward Deployed Data Scientist Air

Expert Data Scientist GeoYeti

Senior Data Scientist GeoYeti

Data Scientist - Mid GRVTY

Senior Data Scientist Tetra Tech Inc

Cryptologic Computer Scientist Level 3 Markon

Senior Data Engineer - Life Sciences.AI McKinsey & Co Inc

Data Scientist Peraton

AI / ML Senior Data Scientist Peraton

ETL Engineer / Data Scientist (TS/SCI) Vantor

Data Scientist West 4th Strategy

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