Senior Scientist/Engineer Eastern Research Group IncSenior Scientist/EngineerFairfax, VASenior Scientist/Engineer Fairfax, VA / Alexandria, VA / Arlington, VA / Washington, DC Consulting Services - Engineering and Science / Part Time / Remote apply for this job ERG is a research and consulting firm that provides a wide range of support to federal, state, and commercial clients. Job Description: This position involves providing research support on research projects for the U.S. EPA, states, and nonprofit organizations This will require reviews of Superfund site documents, mathematical modeling, and report writing and editing.
VSD Automation - Assistant Scientist Thermo Fisher ScientificVSD Automation - Assistant ScientistRichmond, VirginiaWith clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation and support patients in need.
Associate Research Scientist - Principal Investigator - LCMS Thermo Fisher Scientific IncAssociate Research Scientist - Principal Investigator - LCMSRichmond, VA$80,000–$90,000 / yearIndependently performs and gives guidance on a variety of complex sample preparation and analysis procedures to quantitatively measure pharmaceutical and biopharmaceutical compounds in a variety of formulations and/or biological matrices for stability and analytical testing. Discover Impactful Work: Independently performs a variety of complex sample preparation and analysis procedures to quantitatively measure pharmaceutical and biopharmaceutical compounds in a variety of formulations and/or biological matrices.
VSD Automation - Associate Scientist Thermo Fisher Scientific IncVSD Automation - Associate ScientistRichmond, VA$22–$27 / hourWith clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. As one team of 100,000+ colleagues, we share a common set of values - Integrity, Intensity, Innovation and Involvement - working together to accelerate research, solve complex scientific challenges, drive technological innovation and support patients in need.
Principal Scientist - NGS/Genomics and Bioinformatics Thermo Fisher Scientific IncPrincipal Scientist - NGS/Genomics and BioinformaticsRichmond, VAWith clinical trials conducted in 100+ countries and ongoing development of novel frameworks for clinical research through our PPD clinical research portfolio, our work spans laboratory, digital and decentralized clinical trial services. Lead evaluation and implementation of genomics and proteomics technologies (NextGen Sequencing (WGS, RNASeq, targeted sequencing), spatial sequencing (10x Genomics Chromium, Visium, Xenium), O-Link HT, NuLISA).
BI Developer/Analyst (Data Scientist 2) HII Mission Technologies DivisionBI Developer/Analyst (Data Scientist 2)Fairfax, VA$94,750–$135,357 / yearHII - Mission Technologies is currently seeking a Junior BI Developer/Analyst to work out of Fairfax, VA in support of the DoD/DoW Advana War Data Platform designed to aggregate operational, intelligence, logistics, and sensor data from multiple domains, enable Joint All-Domain Command and Control (JADC2) by providing a common data fabric, and support AI/ML applications for predictive analytics, targeting, and mission planning. • Develops business intelligence components supporting War Data Platform (WDP) Core Integration data operations by preparing structured datasets, building baseline dashboards, and conducting routine analytic validation across Unclassified and NIPR, Secret and SIPR, and Top Secret and JWICS enclaves.
Econometrician (Data Scientist 3) - 28593 HII Mission Technologies DivisionEconometrician (Data Scientist 3) - 28593Alexandria, VA$118,987–$160,000 / yearThis individual will lead DLA‑SM’s analytical efforts to develop government‑wide priorities for critical material risk mitigation while also modernizing a Fortran‑based econometric model currently maintained on a mainframe at IDA (Institute for Denfense Analyses.) 5 years relevant experience with Bachelors in related field; 3 years relevant experience with Masters in realted field; 0 years experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 9 years relevant experience.
Senior Software Engineer / Data Scientist (Training Systems) Leidos Holdings Inc.Senior Software Engineer / Data Scientist (Training Systems)Chantilly, VA$154,050–$278,475 / yearBachelor's degree in Computer Science, Data Science, Software Engineering, Mathematics, Engineering, or related technical field with 8+ years of relevant experience and 15+ years overall experience; additional experience may be considered in lieu of degree. Familiarity with contemporary AI coding ecosystems and developer productivity tools such as Claude Code, OpenAI Codex, Cursor, OpenCode, GitHub Copilot, or similar platforms.
Data Scientist Thomson Reuters CorpData ScientistMcLean, VA$117,700–$218,600 / yearFinally, Thomson Reuters offers the following additional benefits: optional hospital, accident and sickness insurance paid 100% by the employee; optional life and AD&D insurance paid 100% by the employee; Flexible Spending and Health Savings Accounts; fitness reimbursement; access to Employee Assistance Program; Group Legal Identity Theft Protection benefit paid 100% by employee; access to 529 Plan; commuter benefits; Adoption & Surrogacy Assistance; Tuition Reimbursement; and access to Employee Stock Purchase Plan. They apply methods such as NLP/LLMs, geospatial and temporal analytics, anomaly and pattern detection, forecasting and simulation, and multi-modal data fusion while working collaboratively using modern development practices such as version control, automated testing, containerized deployments, code review, and iterative delivery.
Principal Applied Scientist - TS/SCI Maxar Technologies Inc (Inactive)Principal Applied Scientist - TS/SCIHerndon, VA$187,000–$205,700 / yearWorking closely with data scientists, machine learning engineers, software developers, and operational subject matter experts, the Principal Applied Scientist is responsible for developing high-fidelity models, validating scientific assumptions, assessing uncertainty, and ensuring that analytical outputs accurately characterize UTS risks and mitigation strategies. This individual combines expertise in computational modeling, applied mathematics, physics, and data science to ensure that machine learning models, agent-based simulations, and analytical frameworks accurately represent real-world phenomena and produce scientifically defensible, operationally relevant results.
Senior Data Scientist (Clearance Required) Logistics Management InstituteSenior Data Scientist (Clearance Required)Tysons, VA$113,560–$192,050 / yearExperience with data pipelines and ETL (e.g., streaming or event-driven processing) and with cloud environments (AWS, Azure, or GCP) and containerized workflows (Docker, Kubernetes), or willingness to develop these skills. You will move models from concept to production on LMI platforms, working alongside engineers, operators, and mission users to support Army analysis and decision-making.
Intermediate Environmental Remediation Professional Jacobs Solutions IncIntermediate Environmental Remediation ProfessionalReston, VA$79,900–$119,000 / yearResponsibilities may include designing, performing, or overseeing soil, soil vapor, groundwater, and surface water investigations, building teams of colleagues and subcontractors, coordinating and managing fieldwork logistics, data analysis and interpretation, technical report writing, and participating in meetings with clients and regulators. At Jacobs, we're challenging today to reinvent tomorrow by solving the world's most critical problems for thriving cities, resilient environments, mission-critical outcomes, operational advancement, scientific discovery and cutting-edge manufacturing, turning abstract ideas into realities that transform the world for good.
NCS Data Scientist USA The Nature ConservancyNCS Data ScientistArlington, Virginia$69,275–$103,785The NCS Data Scientist will lead and support quantitative, statistical, and geospatial analyses related to quantifying and mapping climate mitigation potential from forest and peatland ecosystems, and enabling development and implementation of NCS projects and strategies by TNC and partners. The NCS Data Scientist will be responsible for designing and executing complex and various analytical work flows, and will work with a range of data types (tabular, spatial, remote sensing imagery) at a range of geographies (local to global).
Managing Scientist Exponent IncManaging ScientistAlexandria, VA$135,000–$195,000 / yearIn this role, you will collaborate with multidisciplinary teams to lead and provide scientific support on a wide range of projects addressing human health risks associated with environmental, occupational, consumer, and other exposures. For over five decades, we''ve connected the lessons of past failures with tomorrow''s solutions to advise clients as they innovate technologically complex products and processes, ensure the safety and health of their users, and address the challenges of sustainability.
Biodiversity & Nature Markets Scientist USA The Nature ConservancyBiodiversity & Nature Markets ScientistArlington, Virginia$109,700–$113,900TNC is seeking a biodiversity scientist with publications and experience in biodiversity, nature markets, and credit frameworks, including work related to private sector engagement and nature-positive initiatives, who thrives in a dynamic, fast-evolving environment and is energized by the potential for rapid growth of nature markets. By partnering across our organization, academic institutions, NGOs, and global initiatives, you will help build the collaborative scientific infrastructure needed to move biodiversity markets from early experimentation to a robust and trusted nature finance tool within a broader finance toolbox.
Senior Scientist (TS/SCI with CI Poly) {S} ARKA Group, L.P.Senior Scientist (TS/SCI with CI Poly) {S}Chantilly, VirginiaARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. We are seeking an experienced scientist or familiar with translating signals and techniques to working software for our program developing the next generation of space-based remote sensing.
Senior Scientist (TS/SCI with FS Poly) {S} ARKA Group, L.P.Senior Scientist (TS/SCI with FS Poly) {S}Chantilly, VirginiaARKA Group L.P. (“ARKA”) is an advanced technologies company serving the U.S. military, intelligence community, and commercial space industry delivering next-generation solutions to support the national security space enterprise. While performing the duties of this job, the employee routinely is required to use hands to keyboard, communicate, listen to, and interpret instructions and remain stationary for extended periods of the time.
Associate Scientist, HTP Aerosol and Flavor Analytics PerkinElmerAssociate Scientist, HTP Aerosol and Flavor AnalyticsRichmond, VirginiaWith over an 80+ year legacy of advancing science and a mission of innovating for a healthier world, our dedicated team collaborates closely with commercial, government, academic and healthcare customers to deliver our broad portfolio of analytical solutions, and OneSource services. When joining PerkinElmer, you select an experienced and trusted leader in scientific solutions, with the support of a global service network and distribution centers, providing the right solution, at the right time, to meet critical customer needs.
Scientist, Standards/Dissolution/Mastication PerkinElmerScientist, Standards/Dissolution/MasticationRichmond, VirginiaPerform artificial saliva extraction (mastication) studies and associated UPLC-based analyses (e.g., nicotine, methyl salicylate, ethyl salicylate, vanillin, glycyrrhizic acid) to characterize masticated fractions of oral nicotine and smokeless tobacco products. With over an 80+ year legacy of advancing science and a mission of innovating for a healthier world, our dedicated team collaborates closely with commercial, government, academic and healthcare customers to deliver our broad portfolio of analytical solutions, and OneSource services.
Medical Lab Technician or Medical Laboratory Scientist, Generalist, FT, Days Mary Washington HospitalMedical Lab Technician or Medical Laboratory Scientist, Generalist, FT, DaysStafford, VA$28.03–$39.24 / hourJob Summary: This position is accountable to perform routine laboratory tests and specimen collection and to enter test results in the computer-based data system in order to assist in diagnosis to provide quality patient care. Physical Requirements: Constant (67-100% of workday) use of arms and hands; frequent (34-66% of workday) standing, walking, and sitting; occasional (0-33% of workday) bending, stooping, and squatting; ability to lift 35 lbs.