Senior Data Scientist Maxar Technologies Inc (Inactive)Senior Data ScientistReston, VA$187,000–$205,700 / yearDesign, fine-tune, and implement Large Language Models (LLMs) into workflows to support knowledge management systems, including: Development of LLM-driven tools to automate summarization, tagging, and retrieval of internal data, reports, and documentation. 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.
Senior Environmental Scientist DewberrySenior Environmental ScientistFairfax, Virginia$124,000–$164,000 / yearFull timeEnvironmental certifications including Professional Wetland Delineator (PWD), Professional Wetland Scientist (PWS), Virginia State Waters Delineator (VSWD), ISA Certified Arborist, or similar certification is preferred. This full-time opening will provide the applicant with the opportunity to work as a part of a highly collaborative team in all facets of the environmental services we provide, including wetland science, regulatory permitting, NEPA documentation, and construction compliance in the Mid-Atlantic region.
Senior Data Scientist SteerBridge LLCSenior Data ScientistVienna, VA$160,000–$180,000 / yearThe Senior Data Scientist will be responsible for leading end-to-end analytical models and data science framing activities, including but not limited to working with partners to identify fields, data provenance and integration, data quality assessments, and documentation of data processes and models. Candidates must be familiar with multiple types of data models including, but not limited to, generalized linearand multilinear regression, logistic and multinomial regression, and time series analysis.
Senior Data Scientist - Contract/Contract to Hire - New York, NY or Jersey City, NJ or Rockville, MD Software Guidance & AssistanceSenior Data Scientist - Contract/Contract to Hire - New York, NY or Jersey City, NJ or Rockville, MDRockville, MD$75–$80 / hourThis role requires a blend of technical expertise, analytical rigor, and excellent communication skills to collaborate effectively across technical and non-technical stakeholders. Education: Bachelor's degree in Data Science, Statistics, Computer Science, Mathematics, Engineering, or related quantitative field; advanced degree (Master's or PhD) preferred.
Senior Scientist American Type Culture CollectionSenior ScientistManassas, VA$120,000–$140,000 / yearThe Senior Scientist initiates, executes, and directs scientific research, troubleshoots complex research activities, and applies scientific principles and research methods to solve challenging problems. Working across cross-functional teams, this role contributes to new product development, services, and informatics projects while serving as a scientific resource and mentor to colleagues.
Senior Software Engineer (Data Backend) SteerBridge LLCSenior Software Engineer (Data Backend)Vienna, VA$145,000–$175,000 / yearThis role combines deep technical craftsmanship with the ability to lead cross-functional initiatives - you''ll write production-grade code, make architectural decisions, and coordinate with stakeholders across engineering, data science, and product to deliver reliable, scalable data infrastructure. Leveraging deep expertise in federal acquisition, digital transformation, and emerging technologies, we deliver agile, commercial‑grade capabilities that accelerate operational effectiveness and drive measurable mission success.
Senior Specialist, Federal Data Scientist KPMG International CooperativeSenior Specialist, Federal Data ScientistMcLean, VAWork with clients and team leads to discover data sources and create data requests; collaborate with data engineers to develop and utilize the ETL process to ingest and enrich structured and unstructured data - leveraging a variety of data sources such as social media, news, internal/external documents, images, video, voice, emails, financial data, and operational data. If youre looking for a firm with a strong team connection where you can be your whole self, have an impact, advance your skills, deepen your experiences, and have the flexibility and access to constantly find new areas of inspiration and expand your capabilities, then consider a career in Advisory.
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.
NewSenior Scientist / Engineer 2 Circle IncSenior Scientist / EngineerArlington, VADoctoral degree required Five years' experience in the Department of Defense (DoD) Excellent interpersonal communication skills Proficient with Microsoft Office (Outlook, Word, Power Point, and Excel) Efficient and accurate work output Good documentation, writing, and reporting skills Must be self-starter, able to take initiative, work independently and recognize management issues that need to be elevated Must be able to multi-task and maintain deadline punctuality during pressurized situations TS//SCI Clearance Required. 2 Circle Incorporated is a veteran-owned small business consulting firm providing specialized customer focused system engineering, requirements definition, operational analysis, and program management support to Department of Defense requirements staffs, acquisition communities, and warfighting organizations to solve mission-critical problems.
Senior Infrastructure Engineer OpenTofu Quantifind, Inc.Senior Infrastructure Engineer OpenTofuWashington, DC$170,000–$200,000 / yearIn financial crimes risk management, Quantifind's solution uniquely combines internal financial institution data with public domain data to assess risk in the context of Know Your Customer (KYC), Customer Due Diligence (CDD), Fraud Risk Management, and Anti-Money Laundering (AML) processes. Quantifind's development team is centered in Palo Alto, California, and we have technology hubs in Atlanta, Georgia, and in Washington, D.C. Quantifind is currently using a hybrid mix of working from home and in the office.
Senior Exploitation Specialist / Data Scientist Bart & Associates IncSenior Exploitation Specialist / Data ScientistSpringfield, VAA Senior is fully capable of meeting all required services without direction, provides technical direction and quality control over lower-level personnel, advises Government leadership on processes and technology, and leads collaboration across NGA and Intelligence Community (IC) analysts to deliver synthesized analysis that is greater than the sum of its parts. As an Exploitation Specialist under the GEO-SPI B labor framework, the successful candidate transforms large and complex geospatial and intelligence data into mission-ready analytic products, automated workflows, and decision-advantage tools.
Senior Scientist I, Method Development (Immunoassay) PharmaronSenior Scientist I, Method Development (Immunoassay)Germantown, MD$95,000–$115,000 / yearFull timeWhat We're Looking ForRequired ExperiencePhD in a relevant scientific discipline with 5–6 years of experience in regulated large-molecule bioanalytical environments, including 3–4 years of independent method development leadership; orMaster's degree with 6–7 years of relevant experience, including 4–5 years of independent method development leadership; orBachelor's degree with 7–8 years of relevant experience, including at least 5–6 years in a regulated environment supporting large-molecule drug development. About the RoleWe are seeking an independent, hands-on Senior Scientist I with strong large-molecule bioanalytical method development experience to join our Immunoassay team in Germantown, MD.This role is ideal for a scientist who can own method development projects from experimental design through completion, work through technical challenges independently, and apply sound scientific judgment when assays do not perform as expected.
Data Scientist - Senior AmentumData Scientist - SeniorWashingtonAs appropriate, each employee is responsible for completing all training requirements and fulfilling all self-aid/buddy aid responsibilities, participating in emergency response tasks and serving on safety committees and teams. Actual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws.
Senior Manager, Product Primary & Advanced Models American Type Culture CollectionSenior Manager, Product Primary & Advanced ModelsGaithersburg, MDRemote$140,000–$160,000 / yearThe role develops and executes product strategies, multi-year roadmaps, portfolio plans, commercialization approaches, pricing strategies, and lifecycle plans that support revenue growth, customer adoption, and market competitiveness across biomedical research, drug discovery, disease modeling, toxicology, precision medicine, and cell and gene therapy markets. This remote role is responsible for the commercial success and lifecycle management of ATCC's advanced cellular models and primary cell product portfolio, including organoids, induced pluripotent stem cells, 3D culture systems, hepatocytes, and PBMCs.
Senior Data Scientist Verite Group, Inc.Senior Data ScientistSpringfield, VAThe 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 Scientist Engineer Human Physiology Systems Bioengineering ECS Federal LLCSenior Scientist Engineer Human Physiology Systems BioengineeringWashington, DCRemote$145,000–$240,000 / yearThese SETA duties include but are not limited to: Provide technical and strategic support across a portfolio of programs related to tissue and organoid manufacturing, tissue and organ preservation, ex vivo organ perfusion and diagnostics, and other translational technologies relevant to tissue and organ recovery, preservation, and transplantation. The ideal candidate will have appropriate technical training in human physiology systems and will bring deep technical expertise in regenerative medicine and/or transplantation, along with the ability to assess emerging technologies in the context of clinical workflow, manufacturability, regulatory constraints, and real-world implementation.
Sr. Applied Scientist, Amazon Cyber Threat Intelligence Amazon.com IncSr. Applied Scientist, Amazon Cyber Threat IntelligenceAnnapolis Junction, MDYou will work on ambiguous, scientifically-complex problems where traditional engineering approaches fall short-from building predictive models that score threat likelihood against Amazon"s specific attack surface, to developing graph neural networks that cluster adversary infrastructure, to creating LLM-powered systems that multiply analyst productivity. Extend and invent machine learning techniques for cybersecurity applications, including anomaly detection on noisy data, few-shot learning for emerging threat families, and graph-based reasoning over attacker infrastructure.
Sr. Cyber AI Operations Researcher Johns Hopkins University Applied Physics Laboratory LLCSr. Cyber AI Operations ResearcherLaurel, MDCyber AI Operations Researcher you will: Provide subject matter expertise in the areas of Cyber AI Operations and Mission Assurance Develop innovative, cutting-edge prototype solutions to tradecraft-driven problems for DoD and IC customers by blending latest research and industry best practices. Have experience with integrating full spectrum cyber AI operations (network operations, defensive cyberspace operations, and offensive cyberspace operations) and conventional military operations (kinetic, information, and electronic warfare).
Senior Data Scientist ECS Federal LLCSenior Data ScientistWashington, DC$100,000–$150,000 / yearIn an era where geospatial intelligence drives critical decisions, you''ll architect innovative data solutions that help analysts see patterns others miss, anticipate threats before they materialize, and deliver the GEOINT advantage our nation depends on. Create sophisticated data visualizations and analytics dashboards that enable analysts to explore massive datasets intuitively, revealing patterns and relationships that drive intelligence assessments.
Senior Downstream Bioprocess Engineer Johns Hopkins University Applied Physics Laboratory LLCSenior Downstream Bioprocess EngineerLaurel, MDThe 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.