Senior Environmental Planner / Scientist Whitman, Requardt & Associates, LLPSenior Environmental Planner / ScientistFairfax, VA$140,000–$215,000 / yearFull timeResponsibilities will include leading field work, data collection, preparation of Phase I & II Environmental Site Assessments (ESAs), assisting with NEPA documentation preparation, coordinating with regulatory agencies and clients, mentoring and training junior staff, and any other services as required by specific projects. The specific compensation offered to a candidate may vary based on factors including, but not limited to, the candidate’s relevant knowledge, training, skills, work location, and/or experience.
NewMid-Level Data Scientist System OneMid-Level Data ScientistMerrifield, VAUtilize traditional and machine learning techniques and tools to build a variety of models, including but not limited to logistic regression, XGBoost, neural networks, NLP, k-means clustering, ARIMA, and prophet forecasting. • Experience with machine learning techniques and tools to build a variety of models, including logistic regression, XGBoost, neural networks, NLP, and clustering.
NewHyperspectral Image Scientist LeidosHyperspectral Image ScientistSpringfield, VA$92,300–$166,850 / yearIf you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . The Senior Hyperspectral Image Scientist will provide subject matter expertise in spectral data processing, algorithm development, image exploitation, and applied remote sensing science.
NewSenior GEOINT Data Scientist MANTECHSenior GEOINT Data ScientistSpringfield, VADemonstrated experience of advanced programming techniques, using one or more of the following: HTML 5/Javascript, ArcObjects, Python, Model Builder, Oracle, SQL, GIScience, Geospatial Analysis, Statistics, ArcGIS Desktop, ArcGIS Server, Arc SDE, ArcIMS. Data Visualization Experience which may include Matrix Analytics, Network Analytics, Graphing Data that assist the analytical workforce in generating common operational pictures depicting fused intelligence and information to support informal assessments and finished products.
Senior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI Required LeidosSenior Data Scientist (Machine Learning & Geospatial Analytics) – TS/SCI RequiredWoodbridge, VA$92,300–$166,850The analyst will work closely with Intelligence Community (IC) partners, geographic names experts, and multi-INT analysts to ensure imagery-derived assessments are geospatially precise, linguistically accurate, and operationally relevant. Bachelor’s degree and 12+ years of relevant experience, or Master’s degree and 10+ years of relevant experience in Data Science, Computer Science, Analytics, or related field.
NewData Scientist LeidosData ScientistSpringfield, VA$116,350–$210,325 / yearIf you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . June 30, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
NewImagery Scientist (SAR) LeidosImagery Scientist (SAR)Springfield, VA$116,350–$210,325 / yearIf you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at LeidosCareersFraud@leidos.com . April 29, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
Forensic Research Scientist (Scientist/Engineer III LCAT) FedWriters, Inc.Forensic Research Scientist (Scientist/Engineer III LCAT)Gaithersburg, MarylandRemote$100,000–$145,000 / yearReviewing process map steps across multiple forensic disciplines (e.g., fire investigation, seized drugs, human forensic DNA analysis, footwear and tire examination, firearms, friction ridge, handwriting, crime scene, wildlife forensics) to identify critical steps that could benefit from AI-based tools, and documenting findings in a structured table. Whether you're developing interactive process maps, briefing NIST FSRP leadership, or identifying where AI-based tools could strengthen forensic workflows, every deliverable you produce supports a mission that protects public trust in forensic science.
Research Scientist / CBRN Defense Scientist Jacobs Management GroupResearch Scientist / CBRN Defense ScientistChantilly, VA$43–$62 / hourThis is a research and literature-analysis role, not a laboratory position, focused on tackling some of the most technically demanding questions in CW/BW defense and medical countermeasures. My client is seeking a Research Scientist to support U.S. Government efforts in chemical and biological defense and counter-proliferation from the Chantilly, VA area.
Forensic Research Scientist (Scientist/Engineer III LCAT) FedWritersForensic Research Scientist (Scientist/Engineer III LCAT)Gaithersburg, MDRemote$100,000–$145,000 / yearReviewing process map steps across multiple forensic disciplines (e.g., fire investigation, seized drugs, human forensic DNA analysis, footwear and tire examination, firearms, friction ridge, handwriting, crime scene, wildlife forensics) to identify critical steps that could benefit from AI-based tools, and documenting findings in a structured table. Whether you''re developing interactive process maps, briefing NIST FSRP leadership, or identifying where AI-based tools could strengthen forensic workflows, every deliverable you produce supports a mission that protects public trust in forensic science.
hESC Associate Scientist_Scientist levels I or II Workforce GeneticshESC Associate Scientist_Scientist levels I or IIGermantown, MarylandThe successful candidate will design, execute, and optimize experiments, interpret complex datasets, and collaborate closely with multidisciplinary teams to advance our scientific and translational objectives, deepen our understanding of embryonic stem cell development, facilitate next-generation therapeutic platforms, and help drive high-quality, reproducible science in a fast-paced, cross-functional environment. Design, express, and troubleshoot mRNA constructs; perform transfections for transient gene expression, optimize delivery methods for high efficiency, isolate clones, and express and validate encoded proteins in hESCs.
Research Scientist (I, II, III, or Senior) - Uniformed Services University The Geneva FoundationResearch Scientist (I, II, III, or Senior) - Uniformed Services UniversityRockville, Maryland$90,000–$150,000 / yearWe are currently seeking candidates with experience in one or more of the following research focus areas:• Manufactured Blood Product Development(e.g., using stem cells to generate large-scale blood cell production for transfusion; engineering animal-derived blood products; and developing synthetic blood substitutes to address limitations in human blood donation)•Organoid and Advanced In Vitro Model Development(e.g., organoids, organ-on-a-chip systems, tissue engineering, and 3D cell culture platforms)Applicants should clearly indicate their relevant experience, preferred level, and research focus area in their application materials. The Center's research spans a broad portfolio including advanced imaging, on-demand blood products, organ-on-chip and micro physiological systems, wound care, traumatic brain injury diagnostics, and point-of-need medical devices.
SAR Data Scientist/Imagery Scientist Select Search AssociatesSAR Data Scientist/Imagery ScientistArlington, VirginiaWe are seeking an experienced SAR Data Scientist/Imagery Scientist to join a high-performing team supporting advanced AI and machine learning initiatives for complex national security and intelligence missions. Experience applying computer vision (CV), machine learning (ML), or deep learning techniques to SAR imagery and geospatial data to support intelligence, defense, or remote sensing applications.
Research Scientist - Aging and Disability Public Health Surveillance - Washington, DC NORCResearch Scientist - Aging and Disability Public Health Surveillance - Washington, DCWashington, DCPosition Location Closes Research Scientist - Aging and Disability Public Health Surveillance - Washington, DC Washington, DC Open until filled NORC at the University of Chicago is seeking a Research Scientist to join the Public Health Research Department in our Washington, DC Office. Position Location Closes Research Scientist - Aging and Disability Public Health Surveillance - Washington, DC Washington, DC NORC at the University of Chicago is seeking a Research Scientist to join the Public Health Research Department in our Washington, DC Office.
SAR Data Scientist Specialist / Imagery Scientist 09 Select Search AssociatesSAR Data Scientist Specialist / Imagery Scientist 09Arlington, VirginiaWe are seeking an experienced SAR Data Scientist Specialist / Imagery Scientist to join a high-performing team supporting advanced AI and machine learning initiatives for complex national security and intelligence missions. Curate imagery that aligns with Government priorities by selecting datasets containing required objects of interest, geographic coverage, scene characteristics, and operationally relevant conditions.
Lead SAR Data Scientist / Imagery Scientist 01 Select Search AssociatesLead SAR Data Scientist / Imagery Scientist 01Arlington, VirginiaWe are seeking an experienced Lead SAR Data Scientist / Imagery Scientist to join a high-performing team developing advanced solutions for complex national security and intelligence challenges. This program focuses on evaluating artificial intelligence and machine learning models against existing government datasets to assess robustness across a wide range of adversarial scenarios.
SAR Data Scientist/Imagery Scientist 02 Select Search AssociatesSAR Data Scientist/Imagery Scientist 02Arlington, VirginiaWe are seeking an experienced Exploitation Data Scientist / Imagery Scientist to join a high-performing team supporting advanced AI and machine learning initiatives for complex national security and intelligence missions. Curate imagery that meets Government priorities by selecting datasets containing required objects of interest, geographic coverage, scene characteristics, and operationally relevant conditions.
Electro-Optical (EO) Data Scientist Specialist / Imagery Scientist 08a Select Search AssociatesElectro-Optical (EO) Data Scientist Specialist / Imagery Scientist 08aArlington, VirginiaAs an EO Exploitation Specialist / Imagery Scientist, you will leverage your expertise in Electro-Optical imagery, geospatial analysis, and multi-INT exploitation to support the curation, analysis, and preparation of imagery datasets used for machine learning model development, testing, and evaluation. We are seeking an experienced Electro-Optical (EO) Data Scientist Specialist / Imagery Scientist to join a high-performing team supporting advanced AI and machine learning initiatives for complex national security and intelligence missions.
NewSenior Research Scientist Howard UniversitySenior Research ScientistWashington, DC$102,000–$112,000 / yearNATURE AND SCOPE: Applicants should have relevant research exposure in one or more of the areas of: human-centered computing, AI ethics, explainable AI, computer science, mixed reality, or human-robot interactions, and have demonstrated expertise in human-centered qualitative and/or quantitative research. PRINCIPAL ACCOUNTABILITIES: The Senior Research Scientists will play a key role in partnering with other project collaborators and in the design and creation of educational curriculum teaching socially and culturally relevant human-centered AI.
Research Scientist III- Data Analyst - Fire Safety Research Institute UL Research InstitutesResearch Scientist III- Data Analyst - Fire Safety Research InstituteColumbia, Maryland$89,602.01–$123,202.76 / yearThrough advanced fire science, rigorous research, extensive outreach, and education in collaboration with our international network of partners, we share with stakeholders the information, tools, and resources that enable them to make better, more fire-safe decisions that ultimately save lives and property. The Research Scientist III works closely with other FSRI leaders and researchers to analyze data, and develop models associated with fire safety science to ensure all processes are accurate and technically sound.