Senior Scientist GrvtySenior ScientistHerndon, Virginia$150,000–$235,000 / yearYou will work alongside algorithm engineers, data scientists, and intelligence analysts to develop and apply physics-based models, image science methods, and multi-platform remote sensing analytics. This is a technically demanding role centered on OPIR phenomenology, optical signature characterization, and sensor performance analysis in direct support of national security missions at a Customer site in Herndon, Virginia.
Principal Applied Scientist - TS/SCI VantorPrincipal Applied Scientist - TS/SCIHerndon, Virginia$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.
NewTransportation Data Scientist (AI Solutions) LeidosTransportation Data Scientist (AI Solutions)McLean, VirginiaThis role will involve assisting in the development and deployment of AI/ML models for applications such as vehicle load classification using weigh-in-motion (WIM) data and imagery, crash prediction in traffic management centers (TMCs), and creating data ecosystems for trustworthy AI. • Prepare and integrate datasets for AI use cases, including cleaning, normalizing, enriching, and fusing multi-source data (e.g., traffic logs, imagery, weather, and permitting records) while addressing quality issues like inconsistency, sparsity, and bias.
Senior Electro-Optical (EO) Imagery Scientist (TS/SCI) Xcellent Technology SolutionsSenior Electro-Optical (EO) Imagery Scientist (TS/SCI)Springfield, VAIf you are passionate in helping define how NGA evaluates AI performance, establishes operational confidence, and ensures AI-enabled GEOINT capabilities are mission ready before they reach the analysts or the battlefield, send your resume directly to Lanchi Lai, ( Lanchi. Experience applying image quality metrics and assessing environmental or sensor impacts in order to understand how haze, shadows, off-nadir angle, weather, compression, or sensor limitations affect algorithm confidence and reliability.
Environmental Technician III/Treatment System Operator AECOMEnvironmental Technician III/Treatment System OperatorRichmond, VA$32.50–$38 / hourPosition requires frequent (more than 50% of workday) standing/walking; often (25-50% of workday) performing power gripping/squeezing (hand tools, levers, etc.), operation of vehicles, performing repetitive or fine hand movements, and lifting of less than 25 pounds; occasionally (10-25% of workday) performing work with arms above shoulder level, repetitive bending & stooping, working at heights, climbing stairs, using portable ladders, work in an environment of heavy, moving, dangerous equipment, work in confined spaces, keyboard/mouse operations, work alone in isolated/remote areas, and lifting of 25-50 pounds; rarely (less than 10% of workday) wearing fall protection, and lifting of 50-75 pounds. + Gathering and maintaining specified records of scientific data for the technical lead/supervisor, including environmental sampling, operations and maintenance, and inspections at client sites + Assisting with calculations, setting up and operating equipment (sampling devices and pumps), inspecting equipment and installations for compliance with specifications and maintaining proper project documentation.
Environmental Laboratory Technician I (Overnight Position) Montrose Environmental Group IncEnvironmental Laboratory Technician I (Overnight Position)Richmond, VA$20–$24 / hourOur scientists, engineers, field teams and consultants apply systems thinking that unites science, data and practical expertise to deliver solutions that strengthen our clients' resilience, mitigate risk and protect the air, water and soil that sustain communities, while uncovering responsible paths forward for planet and progress. Onterris is a leading global environmental solutions company partnering with organizations to solve complex challenges where environmental pressures, regulatory expectations and operational risks intersect.
Research Scientist William & MaryResearch ScientistVirginiaThe Center for Coastal Resources Management (CCRM) supports informed decision-making on resource management issues at all levels of government, including private and corporate stakeholders, through applied research, advisory services, and scientific innovation. The position will contribute to the development and implementation of seamless “creek-to-ocean” modeling frameworks using the SCHISM modeling system and advance artificial intelligence (AI)-based modeling approaches for coastal flooding and estuarine systems.
Research Scientist Commonwealth of VirginiaResearch ScientistGloucester Point, VAThe Center for Coastal Resources Management (CCRM) supports informed decision-making on resource management issues at all levels of government, including private and corporate stakeholders, through applied research, advisory services, and scientific innovation. The position will contribute to the development and implementation of seamless "creek-to-ocean" modeling frameworks using the SCHISM modeling system and advance artificial intelligence (AI)-based modeling approaches for coastal flooding and estuarine systems.
Entry Level Environmental Engineer (Water Practice) Eastern Research Group IncEntry Level Environmental Engineer (Water Practice)Alexandria, VA$70,000–$85,000 / yearERG offers multidisciplinary teams with nationally recognized skills in engineering, science, economics, public health, informational technology, and communications. Assist with research, data collection, and analysis related to water resources, water quality, wastewater management, and water and wastewater treatment.
Environmental Health Specialist II Commonwealth of VirginiaEnvironmental Health Specialist IIgoochland, VA$47,500–$69,000 / yearEmployment is contingent upon satisfactory results of a state and federal criminal history background check and the Department of Social Service's Child Abuse and Neglect Central Registry check, U.S. HHSIG Exclusion List check, employment reference check and E-Verify. If you have been affected by DHRM Policy 1.30 layoff and possess a valid Interagency Placement Screening Form (Yellow Card) or a Preferential Hiring Form (Blue Card), you must submit the card before the closing date for this position.
CBRN Data Scientist Apogee Engineering LLCCBRN Data ScientistArlington, VA$100,000–$145,000 / yearAnalyze OPLANS, Force Models, intelligence, CBRN threats, delivery means, and environmental effects to assess the operational impact on DAF missions, including aircraft sorties, logistics, equipment, and personnel. Minimum Experience: Citizenship: Must be a US citizen Clearance: Must have an active Top Secret clearance with SCI eligibility and the ability to maintain itEducation: Bachelor''s degreeYears of Experience: Three (3) or more years of experience in the respective technical/professional discipline.
Senior Regulatory Scientist, Data Integrity Altria Group IncSenior Regulatory Scientist, Data IntegrityRichmond, VA$104,900–$152,150 / year5+ years of relevant experience in a regulated laboratory or agency, with preferred prior experience with tobacco product regulatory submissions, laboratory data management, data analytics/integrity, data engineering and design related to analytical chemistry or research environments. The individual will be required to provide deconvoluted analytical data to guide regulatory strategy teams across various new product platforms in their reporting processes intended for regulatory submissions (e.g., PMTAs).
STINGRAI Automation Data Scientist - 29486 Huntington Ingalls Industries IncSTINGRAI Automation Data Scientist - 29486McLean, VA$103,467–$220,000 / yearLevel 5: 15 years relevant experience with Bachelors in related field; 13 years relevant experience with Masters in related field; 10 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 19 years relevant experience. Level 4: 9 years relevant experience with Bachelors in related field; 7 years relevant experience with Masters in related field; 4 years relevant experience with PhD or Juris Doctorate in related field; or High School Diploma or equivalent and 13 years relevant experience.
AI Data Scientist UnissantAI Data ScientistAshburn, VAThe ideal candidate has a combination of technical, operational, and interpersonal skills, with demonstrated expertise in collaborating with cross-functional teams to collect and interpret complex datasets. Candidates must have a desire to be part of a data-driven, customer-focused, fast-paced team that loves the mission of improving the citizen's experience and providing excellent service to government customers.
AI Data Scientist Unissant IncAI Data ScientistAshburn, VAThe ideal candidate has a combination of technical, operational, and interpersonal skills, with demonstrated expertise in collaborating with cross-functional teams to collect and interpret complex datasets. Essential Duties and Responsibilities: Advanced Analytics Solutions: Design and implement machine learning models, Gen-AI (LLM) and NLP models, and statistical methods to solve complex business challenges.
Associate Scientist I Microbac Laboratories IncAssociate Scientist ISterling, VAMicrobac Laboratories, Inc. is a premier commercial laboratory testing firm that partners with clients nationwide, offering laboratory solutions to life science, food and nutrition, and environmental industries and serves our clients with the utmost expertise and respect for their market requirements, constraints, and challenges. ESSENTIAL FUNCTIONS: Following established SOP's and adhering to state, federal and other accrediting body requirements, collect information about the antimicrobial properties of substances/samples to support the analytical testing needs of our clients for such purposes as quantitative or qualitative analysis, and product development.
Lead Data Scientist Mitre CorpLead Data ScientistMcLean, VA$155,200–$194,000 / yearInvestment modeling and analysis, cost benefit analysis, experience in handling large datasets for data driven analysis, policy and investment analysis, and economic analysis in support of regulatory policy, pre- and post-implementation analysis, forecasting, and applied research. Expertise in choosing appropriate visualizations to communicate findings utilizing data visualization approaches and software, including PowerBI, Tableau, Qlik, and visual development through leaflet, R Shiny, plotly, seaborn, ggplot, or other packages.
Environmental Geologist AECOMEnvironmental GeologistArlington, VAWe invite you to bring your bold ideas and big dreams and become part of a global team of over 50,000 planners, designers, engineers, scientists, digital innovators, program and construction managers and other professionals delivering projects that create a positive and tangible impact around the world. Field work will include soil and groundwater sampling, drilling, and the office work includes evaluating and reviewing data, writing reports and preparing project documents, and coordinating logistics for field activities.
Aquaculture Scientist The Nature Conservancy Limited (Australia)Aquaculture ScientistArlington, Virginia$90,300–$103,785In collaboration with other programs in The Nature Conservancy and external partners, they process these data using ArcGIS or other software (e.g., Python, R Studio), generating unique information that assists in understanding the suitability, performance, and sustainability of aquaculture systems and species across local, regional, national, and global scales. They develop reports, publications, and decision support tools, work closely with industry and government, and support the methodological development of science-based approaches that enable aquaculture to be a low environmental impact sector and/or generate environmental and social co-benefits through regenerative and restorative practices.
Data Scientist Armison TechData ScientistChantilly, VirginiaArmison Tech is looking for a candidate skilled in data visualization and analysis to assist the team with accurate information and presentation of learning related data in order to fulfill our Customer's needs and facilitate data driven decisions. As we help each of our new employees make adjustments to our operational methods, we make sure every professional is able to handle the workload of each project by resolving any relevant concerns or issues they may have relating to this recent career shift.