Environmental Scientist III DewberryEnvironmental Scientist IIIFairfax, Virginia$81,000–$104,000 / yearFull timeThis full-time opening will provide the applicant with the opportunity to work as part of a growing team in all facets of environmental services including wetland science, regulatory permitting, environmental compliance, and National Environmental Policy Act (NEPA) documentation. Professional Wetland Delineator (PWD), Professional Wetland Scientist (PWS), Virginia State Waters Delineator (VSWD), ISA Certified Arborist, or similar certification is preferred.
(Senior) Data Scientist AEI(Senior) Data ScientistWashington, DC$85,000–$120,000 / yearA bachelor’s degree in economics, finance, math, computer science, data science, or a related discipline; Proficiency in Python, R, or Stata and demonstrated ability to learn and work in additional analytical languages; Strong SQL skills and experience designing and maintaining relational and analytical data systems, using tools such as PostgreSQL, DuckDB, or comparable technologies; Experience with data visualization and geospatial tools, such as Tableau, PostGIS, QGIS, Mapbox, ggplot2, or Matplotlib; Experience using various AI models to accelerate data collection and analysis; Knowledge of version control systems such as Git and GitHub and other quality control protocols; Strong communication, organizational, and problem-solving skills; The ability to work effectively in a fast-paced, team-oriented environment; and. A master’s degree in economics, finance, math, computer science, or a related discipline; Working experience with Stata and Microsoft Excel; Experience with web development, cloud-based, and development tools, such as HTML, JavaScript, AWS, or Docker; Experience automating, scheduling, testing, and documenting recurring data workflows, using tools such as Airflow, GitHub Actions, or comparable systems; A demonstrated interest in housing and public policy research; Experience managing other team members’ workflows; and.
Senior Quantum Computational Materials Scientist, US PhasecraftSenior Quantum Computational Materials Scientist, USWashington, DC$120,000–$175,000 / yearTheir work will contribute to Phasecraft’s goal of developing quantum algorithms for near-term quantum computers, and may encompass topics such as algorithm design, optimization and implementation, resource analysis, classical and quantum simulation benchmarking. In 2025 we completed a $34m Series B funding round co-led by Plural, existing investor Playground Global, and Novo Holdings’ Quantum Fund in its first direct quantum software investment.
Research Scientist AmentumResearch ScientistWashingtonAlgorithm Development & Prototyping: Utilize scientific programming languages (such as Matlab or Python) to rapidly prototype algorithms, analyze real-world acoustic or sensor data, and visualize results to validate theoretical approaches. Candidates who possess a blend of rigorous academic research with practical, hands-on experience in adjacent technical fields (such as hardware troubleshooting, acoustics, or commercial technical operations) are highly encouraged to apply.
Mid-Level Exploitation Specialist/Data Scientist (TS/SCI) Culmen International LLCMid-Level Exploitation Specialist/Data Scientist (TS/SCI)Springfield, Virginia$105,000–$130,000 / yearDemonstrated experience of advanced programming techniques, using one or more of the following: HTML 5/Javascript, ArcObjects, Python, Model Builder, Oracle, SQL, GIScience, GeospatiavAnalysis, 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 .
Sr. Exploitation Specialist/Data Scientist (TS/SCI) Culmen International LLCSr. Exploitation Specialist/Data Scientist (TS/SCI)Springfield, Virginia$120,000–$150,000 / yearData 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 . Demonstrated experience of advanced programming techniques, using one or more of the following: HTML 5/Javascript, ArcObjects, Python, Model Builder, Oracle, SQL, GIScience, GeospatiavAnalysis, Statistics, ArcGIS Desktop, ArcGIS Server, Arc SDE, ArcIMS.
Data Scientist Govcio LLCData ScientistFort Meade, Maryland$156,000–$176,000 / yearFull timeEarly data science input during IOC ensures that data collected will be suitable for downstream AI development, reducing risk and accelerating capability maturation during follow-on implementation. Responsibilities: The Data Scientist defines the characteristics of high-quality training data required to support future AI-powered cyber models.
Sr. Data Scientist (Python) Themis InsightSr. Data Scientist (Python)Fort Meade, MDphysics, chemistry, biology, social, and life) may be considered if it includes a concentration of coursework (typically 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., algorithms, programming, data structures, data mining, artificial intelligence). 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 NSA/CSS data holdings.
Principal Cyber Research Scientist RTXPrincipal Cyber Research ScientistColumbia, MarylandBBN’s Network & Cyber Technologies (NCT) team leverages computer science, computer engineering, electrical engineering, math, and physics to tackle customer challenges in electromagnetic warfare (EW), communications, cybersecurity, cyberspace operations, networking, and RF domains for the U.S. Department of Defense (DoD) and Intelligence Community (IC) customers. You are the ideal candidate if you are a recognized researcher with strong skills in these areas for DoD and IC capabilities; you are a strong writer and communicator; you can identify and forge connections between stakeholder opportunities and our technical teams’ capabilities; you have a strong technical background in these areas; and you desire an opportunity to pursue and execute on external funding from government research agencies ( e.g.
Exploitation Specialist/Data Scientist support to MA VEN, EO and SAR (Senior) BTS Software SolutionsExploitation Specialist/Data Scientist support to MA VEN, EO and SAR (Senior)Springfield, VA$175,000–$195,000 / yearThe Senior Exploitation Specialist/Data Scientist shall perform data analysis via statistical and quantitative methods, develop visualizations to support decision making, and develop software to enable thorough monitoring and management of data pipeline tasks. Conduct analysis of how the emerging sensor data impacts overall Maven data holdings from the perspective of Machine Leaming model development, test and evaluation use cases, and support for real-world operational use-cases.
Maven Exploitation Specialist/ Data Scientist (Expert) BTS Software SolutionsMaven Exploitation Specialist/ Data Scientist (Expert)Springfield, VA$210,000–$230,000 / yearThis includes creation of any database tables and schemas, establishing relevant data health alerts, and the setup of data pipelines to support Extract, Transform, and Load (ETL) of all data related to the emergent sensors Develop workflows to enable API-based movement of data related to the emergent sensors between platforms. environments to enable data preprocessing work, such as creating NPEs to enable connections to external systems, setting up software environments to enable development activities, and establishing appropriate Gitlab repositories.
Exploitation Specialist/Imagery Scientist (SAR) BTS Software SolutionsExploitation Specialist/Imagery Scientist (SAR)Springfield, VA$150,000–$195,000 / yearUtilize structured, unstructured, and semi-structured data and visualization tools to exploit data through use of programming and scripting, including advanced geospatial skills and an excellent understanding of how to apply evolving technology and methodologies to related issues. BTS Software Solutions is seeking a Exploitation Specialist/Imagery Imagery Scientist (SAR) to support Department of Defense IC missions at Springfield, VA.
Maven Exploitation Specialist/Imagery Scientist (SAR Focused) EXPERT BTS Software SolutionsMaven Exploitation Specialist/Imagery Scientist (SAR Focused) EXPERTSpringfield, VA$210,000–$230,000 / yearExecute day-to-day management of all imagery curation, acquisition, and pre-processing of imagery, such as image tiling, generation of pre-labels (i.e., labels generated from intelligence reporting, machine-derived observation, human observation, or other method that indicates the geospatial location and classification of an object according to a defined ontology used to tip and cue human labelers to an object of interest), and converting. • Exhibit experience developing, testing, and evaluating new algorithms, processes, methodologies, and products using SAR imagery including experience utilizing advanced processing tools (e.g., Python, MATLAB, Google Earth Engine, etc.) to automate scientific processes of SAR imagery data to aid analysis.
Data Scientist - Intelligence Support (TS/SCI) Xcellent Technology SolutionsData Scientist - Intelligence Support (TS/SCI)Springfield, VAFull timeThis is a chance to join us in supporting the National Geospatial-Intelligence Agency (NGA) as a Senior Data Scientist and directly support analysts and operators, ensuring what you discover within those data can be understood, trusted, and applied in real time. You have the strong ability in identifying trends, anomalies, and actionable insights in order to detect patterns that are operationally meaningful is critical to influencing mission outcomes.
Medical Device Engineer or Materials Scientist (Implantable Device Degradation) Tunnell Government ServicesMedical Device Engineer or Materials Scientist (Implantable Device Degradation)Washington, DCThey will provide scientific, technical, product development, product validation, and sustaining engineering advice as part of regulatory review of medical devices, with specific attention to premarket submissions that include mechanical functions. The candidate should possess expertise and/or direct experience enabling the competent analysis of key components of the regulatory approach to assess device risk to a patient, a user of a device, or others in the environment of use.
NewSignal Processing Research Scientist RTXSignal Processing Research ScientistArlington, VirginiaThe team specializes in delivering networked sensor system solutions by combining a strong understanding of the underlying physics, high-fidelity modeling, simulation of complex signatures and propagation phenomenology, deep expertise in signal processing, EM and RF phenomenology, and computer science, proven capabilities in system development, and mature tools to enable rapid design cycles from theory to demonstration. Active and existing security clearance required on day 1 RTX BBN solves challenging problems of high importance to our customers in the Department of Defense, the Intelligence Community and Industry by rapidly prototyping systems for sensing complex physical phenomena, correlating them to events of interest, and producing high-value, actionable information from the sensed data.
Data Scientist - Mid AmentumData Scientist - MidWashingtonActual compensation may vary based on factors such as job responsibilities, education, experience, skills, internal equity, market data, applicable collective bargaining agreements, and relevant laws. As 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.
Investigative Data Scientist/AI Engineer Nasdaq IncInvestigative Data Scientist/AI EngineerWashington DC, DC$95,000–$166,000 / yearAs an Investigative Data Scientist/AI Engineer, you'll play a critical role in protecting market integrity by combining investigative analysis with AI and data science to support Nasdaq's Investigations and Enforcement program. Design and build AI-powered solutions - including large language model applications, retrieval-augmented generation pipelines, and agentic workflows - to make investigations faster and more effective.
Network Scientist goTennaNetwork ScientistFairfax, VAAdvanced degree in Computer Science, Computer Engineering, or a related field and at least one (1) year of relevant experience in Computer Networking, Wireless Mesh Networking, and Network Communications. Were seeking a Network Scientist to work with our CTO, Scientific Advisor, and Product & Engineering teams to develop and extend goTenna’s Aspen Grove mesh networking protocol suite.
Senior Data Scientist Software Guidance & AssistanceSenior Data ScientistRockville, MD$75–$77 / 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.