Data Scientist/Machine Learning Engineer (req-253) CATHEXISData Scientist/Machine Learning Engineer (req-253)Tysons, VA$120,000–$150,000The 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.
Senior Quantitative Scientist Think Tank, Inc.Senior Quantitative ScientistSilver Spring, MDContractorUS Citizenship Required*Full time Onsite Position at the NWFSC, Seattle, WA or at one of its associated field stations in WA or OR*Travel is anticipated*Anticipated Start: 4th quarter FY 2026*Position is Subject to Contract AwardPOSITION DESCRIPTIONThe Senior Quantitative Scientist will support the Northwest Fisheries Science Center (NWFSC) Fish Ecology Division by conducting advanced quantitative analyses and developing ecological models that inform fisheries management and conservation decisions throughout the Pacific Northwest and California. Working with NOAA scientists, natural resource managers, tribal representatives, and interdisciplinary research teams, the Senior Quantitative Scientist evaluates the effects of environmental conditions, habitat characteristics, ecological interactions, and management actions on fish populations and aquatic ecosystems.
Senior Data Scientist/Machine Learning Engineer - TS/SCI with Poly (req-242) CATHEXISSenior Data Scientist/Machine Learning Engineer - TS/SCI with Poly (req-242)Tysons, VA$150,000–$190,000The 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.
Polymer R&D Engineer/Scientist Precise SystemsPolymer R&D Engineer/ScientistWashington, DCFull timeAbility to communicate and interface with cross-functional groups, research leads, program management, technical engineering and key stakeholders with intent to successfully progress research through product delivery phase, which may include practical fleet applications and solutions. The team includes personnel at NRL’s headquarters in Washington, DC (NRLDC), at NRL’s blue-water test facility in Key West, FL (NRLKW), as well as offsite personnel from other Navy facilities and collaborating companies in private industry.
Scientist (Bio-Separations) (51672) Gap Solutions, Inc.Scientist (Bio-Separations) (51672)Gaithersburg, MDDesigns and executes complex bio-separation and analytical strategies, including HPLC (all separation modes) and electrophoretic techniques, to support vaccine research and development initiatives 2. Independently plan, design, and execute multiple hypothesis-driven research projects within bio-separation technology, applying sound scientific judgment. Manage projects to meet established goals within timeline and budget constraints, initially supporting mAb and vaccine programs with potential expansion to mRNA/LNP platforms.
Workforce Data Scientist (Visualization and Analysis) CIDIS LLCWorkforce Data Scientist (Visualization and Analysis)Springfield, VAUtilize and develop queries and reports from NGA's HRIS system (PeopleSoft), CAVE, and Cognos using appropriate data science and business intelligence tools (Python, R, SQL, Tableau, Microsoft Office); and analyze data using descriptive (e.g., means, percentages) and inferential statistics (e.g., ANOVA, t-test, regression modeling techniques). Display analytic results in text and visually using appropriate data science, business intelligence, and visualization tools (Python, R, SQL, Tableau, Microsoft Office), and communicate results to audiences at all levels of NGA.
NewSenior Data Scientist - Simulation / Optimization AirSenior Data Scientist - Simulation / OptimizationArlington, VirginiaRemoteStay current with the rapidly evolving fields of Artificial Intelligence, including advanced methods in simulation and optimization, Large Language Models (LLMs), and agentic systems, and actively transfer this knowledge and best practices for implementation across the team. You'll apply your deep knowledge in advanced simulation and optimization techniques, including Discrete Event Simulation, Monte Carlo methods, and stochastic optimization, to enhance our platforms to handle complex capability simulation and optimization techniques for critical defense use cases.
Senior Scientist/Engineer (Medical RDT&E) (TS/SCI #26-084) Strategic Analysis, Inc.Senior Scientist/Engineer (Medical RDT&E) (TS/SCI #26-084)Alexandria, VAAs a Senior Scientist/Engineer, you will:• Assist in developing the portfolio management process to assess and update the investment strategy for the POM budgeting cycle, to include development of a uniform process to assess the current progress for each for subarea of the medical RDT&E portfolio; development of roadmaps of technology and regulatory development for subareas of the portfolio; and development of metrics for assessing progress, collaboration, adequacy of resources, and research coverage of capability gaps across the Department.• Strategic Analysis, Inc. seeks aSenior Scientist/Engineerto support the oversight and administration of the DoD/DoW Medical Research, Development, Test and Evaluation (RDT&E) program executed within the Office of the Under Secretary of Defense for Research and Engineering (OUSD(R&E)).This is a hybrid position.
Senior Associate, Product Manager, Card Intelligence Capital One Financial CorpSenior Associate, Product Manager, Card IntelligenceMcLean, VA$111,200–$126,900 / yearYou'll do this by: Working across teams to build products that enable seamless and scalable anti-fraud models, influence strategic decisions, and contribute to building a thriving product practice in support of our overall Machine Learning capabilities. As a key player in our Card Machine Learning division, you'll collaborate with talented data scientists and engineers to develop and deploy predictive ML and Generative AI models to help support our fraud prevention teams.
Staff Principal Scientist/Senior Economic Security Analyst AMERICAN SYSTEMSStaff Principal Scientist/Senior Economic Security AnalystAlexandria, VirginiaFull timeOverview: AMERICAN SYSTEMS is an employee-owned federal government contractor supporting national priority programs through our strategic solutions in the areas of Information Technology, Test & Evaluation, Program Mission Support, Engineering & Analysis, and Training. As a Senior Economic Security Analyst, you will: Join a collaborative team of 8 multi-disciplinary science & technology, legal, and security professionals who are on a mission to advance the economic security priorities of OUSW(R&E) and the United States.
Sr. Data Scientist Glint Tech Solutions LLCSr. Data ScientistReston, VAThe selected candidate will own high-impact data science projects from inception through completion, contribute technically throughout, refine product requirements with Product teams, coordinate the efforts of other data scientists, and interface with stakeholders across the organization. Our client, a federal healthcare insurance organization, has an immediate need for a Senior Data Scientist to identify and solve business problems using statistical modeling, machine learning, AI, operations research, and data mining.
Medical Laboratory Scientist II Quest Diagnostics IncMedical Laboratory Scientist IISilver Spring, MD$29.13–$48.06 / hourPhysical and Mental Requirements: The normal performance of duties may require lifting and carrying objects: Objects 1 to 10 pounds are lifted and carried frequently; objects 11 to 25 pounds are lifted and carried occasionally; objects 36 to 50 pounds are seldom lifted or carried and objects over 50 pounds are not to be lifted or carried without assistance. Provides support to the department in the areas of quality control, troubleshooting complex problems, customer support, instrument and equipment maintenance, staff training, process improvement and the completion of special projects as assigned.
Scientist (52095) Gap Solutions, Inc.Scientist (52095)Bethesda, MDWork products and documents related to working with the scientific staff to define key questions emerging from research projects in which experimental in vitro and in vivo analysis will contribute to elucidation of impact of novel experimental therapeutics on immune cells, cancer cells, and tumors grown in mice in general, mechanisms of cell transformation, identification of molecular targets, and the development of biomarkers/biomarker signatures with potential to guide prevention, diagnosis, or treatment. Work with the scientific staff to define key questions emerging from research projects in which experimental in vitro and in vivo analysis will contribute to elucidation of impact of novel experimental therapeutics on immune cells, cancer cells, and tumors grown in mice in general, mechanisms of cell transformation, identification of molecular targets, and the development of biomarkers/biomarker signatures with potential to guide prevention, diagnosis, or treatment.
Senior Associate, Product Management - Partnerships Data Modernization Capital One Financial CorpSenior Associate, Product Management - Partnerships Data ModernizationMcLean, VA$101,100–$115,400 / yearYou'll influence architecture, align stakeholders across product, engineering, data, and business organizations, and deliver a resilient, scalable data ecosystem that supports future growth while maintaining the trust and reliability our partners depend on. Product Management at Capital One is a booming, vibrant craft that requires reimagining the status quo, finding value creation opportunities, and driving innovative and sustainable customer experiences through technology.
Enterprise - Research Scientist - SDR Erias VenturesEnterprise - Research Scientist - SDRAnnapolis Junction, MarylandWe are seeking a Software Defined Radios Research Scientist to join the research and engineering team who will design, develop, prototype, and test Software Defined Radio (SDR) capabilities for wireless communications and networking systems. The development team will provide application development and support to core initiatives, leveraging a strong understanding of digital signal processing, wireless protocol analysis, and hands-on experimentation with commercial and open-source SDR platforms.
Data Scientist 3 GrvtyData Scientist 3Annapolis Junction, Marylandphysics, 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. Through analytic modeling, statistical analysis, programming, and/or another appropriate scientific method, develop and implement qualitative and quantitative methods for characterizing, exploring, and assessing large datasets in various states of organization, cleanliness, and structure that account for the unique features and limitations inherent in Government data holdings.
Senior Associate, Product Manager-Small Business Bank Capital One Financial CorpSenior Associate, Product Manager-Small Business BankMcLean, VA$111,200–$126,900 / yearYour role will be equal parts coach, visionary, and problem solver, and you will be responsible for leading a high-impact team, co-creating a vision for the future, gaining broad stakeholder alignment, and guiding cross-functional teams to deliver exceptional value while knocking down all the things that slow us down. On our team, we combine that customer-centric approach with our heritage of data-driven decision making to design, build, and test our way to best-in-class, business-grade experiences that help Small Businesses succeed.
NewHealthcare Programmer, Medicaid and Pharmacy American Institutes for ResearchHealthcare Programmer, Medicaid and PharmacyArlington, VARemote$130,000–$160,000 / yearOur team of experts-economists, data scientists, statisticians, public health experts, sociologists, nurses, physicians, and psychologists - advance evidence and save lives by leading rigorous research and evaluation; program implementation and monitoring; results-driven technical assistance and training; and leading-edge data science and technology tools. About AIR: Founded in 1946 and headquartered in Arlington, Virginia, the American Institutes for Research (AIR) is a nonpartisan, not-for-profit organization that conducts behavioral and social science research and delivers technical assistance to address some of the most pressing challenges in the United States and globally.
Anomalous Health Incidents Principal Scientist Applied Research Associates IncAnomalous Health Incidents Principal ScientistAlexandria, VAThe Mission Concepts and Capabilities (MCC) Division of Applied Research Associates, Inc. (ARA) is seeking to contingently hire an Anomalous Health Incidents (AHI) Principal Scientist for ARA's effort supporting the Office of the Assistant Secretary of War for Critical Technologies (OASW(CT)). COMPANY INFORMATION: Applied Research Associates, Inc. is an employee-owned international research and engineering company recognized for providing technically superior solutions to complex and challenging problems in the physical sciences.
Scientist (50864) Gap Solutions, Inc.Scientist (50864)Bethesda, MDWrite papers and abstracts detailing research efforts and results for publication in peer-reviewed journals; prepare PowerPoint presentations as appropriate. Independently direct and conduct special research projects that have a high priority for the laboratory with special emphasis in the development of novel research treatments.