Senior Data Scientist Leidos Holdings Inc.Senior Data ScientistRockville, MD$131,300–$237,350 / yearWork with diverse data types (structured, unstructured, open source, digital media) and leverage modern tools such as Python, PyTorch, Scikit-learn, LLM frameworks, and geospatial analytics platforms. Familiarity with Azure/C2S, hardware platforms (CPUs, GPUs, FPGAs), and advanced analytical methodologies (social network analysis, supply chain analysis, NLP, classification algorithms, image processing).
Senior Data Architect / Data Scientist Chenega CorporationSenior Data Architect / Data ScientistArlington, VAThe Senior Data Architect / Data Scientist designs, develops, and implements advanced data architectures and analytics solutions supporting CDAO data-driven mission capabilities. Demonstrated experience designing and implementing cloud-based data architectures, data lakes, and advanced analytics platforms within AWS, Azure, or similar environments.
Data Scientist – NLP / Generative AI BizFirstData Scientist – NLP / Generative AIAlexandria, VirginiaYou have built production NLP systems, worked with transformer-based architectures, and have direct experience with large language models – including fine-tuning, prompt engineering, and retrieval-augmented generation (RAG). RAG & Embeddings: Direct experience building retrieval-augmented generation pipelines, vector databases (Pinecone, Weaviate, FAISS, or equivalent), and semantic search systems.
Senior Data Scientist (Smts) Salesforce.com, Inc.Senior Data Scientist (Smts)Mclean, VA$148,500–$223,900 / yearThe Data Science & Analytics team in Salesforce Cyber Security Operations Center seeks an experienced, driven, and creative Senior Data Scientist to join the team. We partner with threat, product, and engineering teams to deliver defenses that not only operate at scale, but evolve through agentic-based monitoring, testing, and continuous improvement.
Vaccine Immunology Program (Vip) Scientist GuidehouseVaccine Immunology Program (Vip) ScientistGaithersburg, MD$74,000–$124,000 / yearCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event.
Senior GEOINT Scientist (SAR & Spectral Exploitation) – Multiple Positions NV5Senior GEOINT Scientist (SAR & Spectral Exploitation) – Multiple PositionsDulles, VirginiaNV5 is seeking an experienced and highly motivated Senior GEOINT Scientist to support operational intelligence missions and applied research and development activities for the National Air and Space Intelligence Center (NASIC) and the National Space Intelligence Center (NSIC). The successful candidate will contribute to the development of intelligence products, technical reports, presentations, algorithms, analytical tools, workflows, training materials, CAD models, and technical papers that support national security objectives.
Lead Data Scientist, AI Labs National Public RadioLead Data Scientist, AI LabsWashington, DC$164,000–$201,000 / yearPlan options include medical, dental, vision, life/ accidental death and dismemberment, long-term disability, short-term disability, and voluntary retirement savings to all eligible NPR employees. Support newsroom research through the prototyping, validation, and development of API-driven tooling and secure database search models.
NewEarth Systems Scientist Mitre CorpEarth Systems ScientistMcLean, VA$162,400–$203,000 / yearDeep technical expertise in one or more earth systems science areas, including: climate or weather analysis, hydrology, oceanography, geospatial analysis, remote sensing, environmental resilience, hazard modeling, data assimilation, scientific computing, or performance evaluation of analytical models and datasets. Extensive experience and expertise, including recent publications, field work, or applied research related to earth systems modeling, climate or weather analysis, geospatial analytics, environmental resilience, hazard assessment, or related scientific applications.
NewGeographer/Biologist/Ecologist/Environmental Engineer/Physical Scientist United States ArmyGeographer/Biologist/Ecologist/Environmental Engineer/Physical ScientistWashington, DC$62,972–$111,087 / yearGS-11 Specialized Experience: One year of specialized experience which includes 1) Independently managing a workload of permit applications, compliance monitoring, and enforcement actions; 2) Preparing and managing the creation of detailed environmental documentation, such as Environmental Assessments (EAs), Environmental Impact Statements (EISs), and Section 404(b)(1) guideline analyses; and 3) Serving as a technical expert and representing the agency in meetings with other Federal and State agencies, local governments, and applicants. Related curriculum - Successful completion of a curriculum leading to a bachelors degree in an appropriate scientific field, e.g., engineering technology, physics, chemistry, architecture, computer science, mathematics, hydrology, or geology, may be accepted in lieu of a degree in engineering, provided the applicant has had at least 1 year of professional engineering experience acquired under professional engineering supervision and guidance.
Junior Data Scientist Lentech Inc.Junior Data ScientistFort Meade, MDFull timePay Range: There are a host of factors that can influence final salary including, but not limited to, geographic location, Federal Government contract labor categories and contract wage rates, relevant prior work experience, specific skills and competencies, education, and certifications. Lentech’s clients achieve full life-cycle support and cost-effective managed services supporting enterprise computing and applications initiatives for Government agencies.
Lead Data Scientist Mitre CorpLead Data ScientistMcLean, VA$155,200–$194,000 / yearPreferred Qualifications: Masters degree in Computer Science, Applied Mathematics, Statistics, Data Science, or related field with 6 years of relevant experience; PhD in Computer Science, Applied Mathematics, Statistics, Data Science, or related field with 3 years of relevant experience. MITREs Data Science and Engineering department is looking for qualified applicants to bring their advanced data science, data engineering, machine learning, artificial intelligence, and applied research skills to bear on solving problems of critical national importance.
Data Scientist - AI/ML (TS/SCI w/ Poly) ParsonsData Scientist - AI/ML (TS/SCI w/ Poly)MarylandEvaluate statistical models to determine the validity of analyses, implement evaluated models into production by collaborating with software developers, periodically re-evaluate and refine machine learning models being used in production. Curate and collect the data from a variety of traditional and non-traditional sources: extract data from sources, transform and integrate data in line with existing data, and load data into data stores for access by others.
Senior Data Scientist Mitre CorpSenior Data ScientistMcLean, VA$124,400–$155,500 / yearMITREs Data Science and Engineering department is looking for qualified applicants to bring their advanced data science, data engineering, machine learning, artificial intelligence, and applied research skills to bear on solving problems of critical national importance. Preferred Qualifications: Masters degree in Computer Science, Applied Mathematics, Statistics, Data Science, or related field with 3 years of relevant experience; PhD in Computer Science, Applied Mathematics, Statistics, Data Science, or related field.
Data Scientist Level 2 Omm IT SolutionsData Scientist Level 2MarylandA data scientist will develop machine learning, data mining, statistical and graph-based algorithms to analyze and make sense of datasets; prototype or consider several algorithms and decide upon final model based on suitable performance metrics; build models or develop experiments to generate data when training or example datasets are unavailable; generate reports and visualizations that summarize datasets and provide data-driven insights to customers; partner with subject matter experts to translate manual data analysis into automated analytics; implement prototype algorithms within production frameworks for integration into analyst workflows. Requires a Bachelor's degree in a relevant discipline (e.g., statistics, mathematics, operations research, engineering, or computer science) from an accredited college or university, eight (8) years of relevant experience analyzing datasets and developing analytics, and five (5) years of relevant experience programming with data analysis software such as R, Python, SAS, or MATLAB.
Data Scientist - TS/SCI required ParsonsData Scientist - TS/SCI requiredMarylandJoin a collaborative team of 500 professionals working across operations and technical disciplines, with a focus on Artificial Intelligence and Cloud Computing for advanced technology development, contributing to a diverse set of efforts over 5 years and a total value exceeding $600 million. The ideal candidate is innovative, highly skilled in data science methodologies, and adept at extracting actionable insights from complex datasets to support Army modernization and the warfighter.
Data Scientist JTEC ConsultingData ScientistMcLean, VirginiaPositions are supporting varied task order activities including ETL, data engineering, data strategy and architecture, data analytics, and data-focused software engineering for DevOps environments. Support data interpretation and results from multiple sources using a variety of techniques including simple data aggregation and statistical analysis up to an including complex data mining.
Senior Data Scientist Bart & AssociatesSenior Data ScientistWashington, DC$175,000–$180,000 / yearProvide senior-level enterprise support through data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis, and use scientific techniques to correlate data into graphical, written, visual, and verbal narrative products, enabling more informed analytic decisions for multiple cover databases and applications in support of the defense cover program. Conducts data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis, and uses scientific techniques to correlate data into graphical, written, visual, and verbal narrative products, enabling more informed analytic decisions.
Lead Data Scientist Revolutional, LLCLead Data ScientistMclean, VA$150,000–$210,000 / yearThis 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. We apply modern capabilities, including AI/ML, cloud, cybersecurity, and IT modernization to solve complex challenges, enable faster and more secure operations, and drive measurable mission outcomes.
Mid Exploitation Specialist / Data Scientist Bart & AssociatesMid Exploitation Specialist / Data ScientistSpringfield, VAEducation and Experience: Experience: 9+ years of relevant experience in data science, automation, software development, data engineering, database integration, GEOINT support, or related technical disciplines (a combination of education, professional certifications, and technical training may be considered in lieu of some years of experience). As an Exploitation Specialist under the GEO-SPI B labor framework, the successful candidate builds automation and data-integration solutions that streamline the collection, transformation, and dissemination of geospatial and intelligence data.
Data Scientist Staffed4UData ScientistMarylandThe ideal candidate will have strong experience analyzing complex datasets, developing analytics, building predictive models, and using Python and other data analysis tools to support security, compliance, and Risk Management Framework automation. The ideal candidate is an experienced cleared Data Scientist who enjoys working with complex datasets, building analytics, and using automation to improve security and compliance processes.