Data Scientist - Python, Jupyter, Spark (2026-0177) Acclaim Technical ServicesData Scientist - Python, Jupyter, Spark (2026-0177)Annapolis Junction, MD$180,000–$200,000 / yearphysics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e. behavioral, social, or life) may be considered if it included a concentration of coursework (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. Ability to use 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 Government data holdings.
Data Scientist 2 GrvtyData Scientist 2Annapolis Junction, Maryland$115,000–$145,000 / yearRelevant experience must be in designing/implementing machine learning, data science, advanced analytical algorithms, programming (skill in at least one high-level language (e.g., Python)), statistical analysis (e.g., variability, sampling error, inference, hypothesis testing, EDA, application of linear models), data management (e.g., data cleaning and transformation), data mining, data modeling and assessment, artificial intelligence, and/or software engineering. physics, chemistry, biology, astronomy), or other science disciplines with a substantial computational component (i.e. behavioral, social, or life) may be considered if it included a concentration of coursework (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.
Mid-Level Data Scientist – Cyber Threats The Josef GroupMid-Level Data Scientist – Cyber ThreatsAnnapolis Junction, MarylandThe ideal candidate is passionate about data science, skilled in scripting, and eager to grow expertise in data science tools, techniques, and frameworks. This role focuses on analyzing complex cyber threat data, developing actionable insights, and supporting decision-making within the Task Force.
Staff Data Scientist Xometry IncStaff Data ScientistNorth Bethesda, MD$163,000–$190,000 / yearYour work will enable engineers to receive real-time manufacturability feedback and pricing the moment a design decision is made, operating directly on native 3D geometry to deliver a "science fiction speed" digital thread from ideation to delivery. You will lead the extraction and embedding of our core AI engines-focused on Design for Manufacturability (DFM) and Instant Quoting (IQE)-directly into the partner''s core software and product lifecycle management (PLM) platforms.
Data Scientist CACI International IncData ScientistWashington, DC$75,200–$158,100 / yearThe Opportunity: The Opportunity CACI is seeking an experienced Data Scientist supporting the Army DCS, G-6, Network Command, Control, Communications, and Computers (C4) Services Integration (NC4SI) Directorate in support of a Task Order - G-6 Network Plans & Enterprise Information Environment Mission Area (EIEMA) Management. Deep understanding in API orchestration and policy considerations within DOD/Army and proven operational implementation track record of deploying APIs and integrating automated data pipelines Army and vendor platforms (AESMP, Army 365, DISA circuit utilization, Netops Tools, Splunk, First Alert).
Forward Deployed Senior Data Scientist AirForward Deployed Senior Data ScientistArlington, VirginiaStay current with the rapidly evolving fields of Artificial Intelligence, Large Language Models (LLMs), and agentic systems, and actively transfer this knowledge and best practices for implementation across the team. Your primary focus will be to work with our proprietary and commercial datasets to find critical connections, derive actionable knowledge, and identify potential issues that help our government clients make more informed decisions.
Principal Data Scientist - Gen AI Xometry IncPrincipal Data Scientist - Gen AINorth Bethesda, MD$200,000–$230,000 / yearIn this role, you will serve as a technical leader, owning a 12 month technical roadmap, driving large-scale cross-functional ML and AI initiatives, and setting the long-term scientific direction for AI-driven solutions that enhance Xometry''s service offerings. Generative AI Development: Develop and deploy generative AI models and large language models (LLMs) for multimodal document processing, focusing on extracting structured data from technical drawings, purchasing orders, and other complex documents.
Data Scientist Sr. Manager - Consumer Markets PricewaterhouseCoopers LLPData Scientist Sr. Manager - Consumer MarketsWashington, DC$91,000–$321,500 / yearPreference for at least one of the following fields of study: Accounting, Analytics/Data Science, Biology/Biomedical Sciences, Business Administration/Management, Computer Science/Information Systems, Economics, Engineering, Finance, Financial Mathematics/Quantitative Finance, Health Administration/Public Health, Mathematics/Statistics, Operations/Supply Chain, Project/Technology Management, Risk Management/Insurance, Science. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .
AML and Sanctions- Data Scientist- Senior Associate PricewaterhouseCoopers LLPAML and Sanctions- Data Scientist- Senior AssociateWashington, DC$77,000–$202,000 / yearPreference for at least one of the following fields of study: Accounting, Analytics/Data Science, Biology/Biomedical Sciences, Business Administration/Management, Computer Science/Information Systems, Economics, Engineering, Finance, Financial Mathematics/Quantitative Finance, Health Administration/Public Health, Mathematics/Statistics, Operations/Supply Chain, Project/Technology Management, Risk Management/Insurance, Science. PwC does not intend to hire experienced or entry level job seekers who will need, now or in the future, PwC sponsorship through the H-1B lottery, except as set forth within the following policy: https://pwc.to/H-1B-Lottery-Policy .
Data Scientist, Level 4 Independent SoftwareData Scientist, Level 4Annapolis Junction, MDIn this role, you will leverage your expertise in Python, workflow automation, data manipulation, and visualization-particularly within Jupyter Notebooks-to support data-driven decision making and operational efficiency. At Independent Software, you will work in a collaborative environment where innovation, technical excellence, and mission impact intersect, helping protect national security through advanced analytics and data science.
Sr. Data Scientist US AISr. Data ScientistNorth Bethesda, MD$150,000–$200,000 / yearFull timeAs a leader in Artificial Intelligence, Cybersecurity and Self-Healing Infrastructure , we are actively seeking top-tier talent to spearhead the commercialization of groundbreaking products and propel our business to new heights. Data Scientist , you will play a pivotal role in analyzing large datasets, uncovering insights, and driving data-driven decision-making within our organization.
Data Scientist (Looker/Ai/Bi) Northramp LLCData Scientist (Looker/Ai/Bi)Washington, DCBuild and deploy machine learning models for classification, prediction, anomaly detection, and natural language processing use cases using Python (scikit-learn, TensorFlow, or PyTorch) and cloud AI/ML services (Vertex AI, SageMaker, or Azure ML). This role is part of Northramp’s integrated delivery model, where engineers and advisors work as one team to bring sound judgment, disciplined execution, and deep federal experience to high-stakes modernization programs.
Data Scientist, Lead Bigbear.aiData Scientist, LeadWashington, Washington, DCFull timeOverview: BigBear.ai is seeking a Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific techniques to correlate data into graphical, written, visual, and verbal narrative products to enable more informed analytic decisions. The successful candidate should be skilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms.
NewSr. Data Scientist Bigbear.aiSr. Data ScientistWashington, Washington, DCFull timeOverview: BigBear.ai is seeking a Senior Data Scientist to conduct data analytics, data engineering, data mining, exploratory analysis, predictive analysis, and statistical analysis using scientific techniques to correlate data into graphical, written, visual, and verbal narrative products to enable more informed analytic decisions. The successful candidate should be skilled in data visualization and use of graphical applications, including Microsoft Office (Power BI) and Tableau; major data science languages, such as R and Python; managing and merging of disparate data sources, preferably through R, Python, or SQL; statistical analysis; and data mining algorithms.
Senior Data Scientist (Security Clearance Required) ICF International IncSenior Data Scientist (Security Clearance Required)Arlington, VAPreferred Skills/Experience: • Experience in Computer Science, Statistics, Applied Mathematics, Computational Linguistics, Artificial Intelligence or related field • Interpersonal skills and the ability to communicate effectively with various clients in order to explain and elaborate on technical details • Experience in productization of machine learning algorithms and the ability to deliver data science components that are part of successful deliverables • Working knowledge of general machine learning algorithms and NLP, Graph Theory, and Network Analysis • Fluency in one or more programming languages (e.g., Python, JavaScript, R, etc.) • Experience with statistical data analysis, experimental design, and hypotheses validation • Experience with database querying like SQL • Readiness to collaborate with engineering teams, product teams, and customers to develop prototypes and software products • Practical experience with the Databricks Intelligence Platform • CompTIA Security+ or higher certification level preferred. What You Must Have: • Active security clearance required as part of client contract requirement • US Citizenship required as part of client contract requirements • Bachelors degree with a minimum of 12 years or Masters degree with 10 years of experience in Computer Science, Statistics, Applied Mathematics, Computational Linguistics, Artificial Intelligence or related field • Position requires a minimum of 10 years of practical working experience in one or more of the following areas: Natural Language Processing, Machine Learning Models, Question Answering, Text Mining, Information Retrieval, Distributional Semantics, Data Science, Knowledge Engineering • Strong experience using a variety of mathematical, statistical, data mining, and data analysis methods/tools.
Lead Data Scientist, AI Labs National Public RadioLead Data Scientist, AI LabsWashington, DC$164,000–$201,000 / yearPlan options include medical, dental, vision, life/ accidental death and dismemberment, long-term disability, short-term disability, and voluntary retirement savings to all eligible NPR employees. Support newsroom research through the prototyping, validation, and development of API-driven tooling and secure database search models.
Lead Data Scientist Retail Services & Systems IncLead Data ScientistMD$146,600–$197,900 / yearProven expertise in designing and architecting advanced machine learning and AI solutions, including leading efforts to frame complex business problems, define scalable feature engineering strategies, and select optimal algorithms and architectures for enterprise-level applications. Oversight of model monitoring and lifecycle management, including building automated monitoring systems, implementing drift detection and retraining workflows, and defining alerting mechanisms to maintain long-term model health and business impact.
Senior Water Data Scientist World Resources InstituteSenior Water Data ScientistWashingtonThis role will help shape a next-generation approach to understanding causal inference and attribution for how NBS influence water availability, water quality, hydrologic regulation, drought resilience, flood risk, and watershed resilience, by convening partners to build the scientific methodologies and digital architecture that will make monitoring and measuring the water outcomes of NBS credible and accessible at scale. The Senior Water Data Scientist will work with an interdisciplinary team across WRI’s Cities4Forests, Water Program, Global Nature Watch, Data Lab, and regional offices to identify, evaluate, and apply the best available science, data, models, artificial intelligence (AI) tools, and other emerging technologies for impact measurement and monitoring (IMM).
NewGraph Data Scientist Amida Technology SolutionsGraph Data ScientistWashington, DCFull timeWhat you will do:Serve as the company's expert in all aspects of graph data modeling, including schema development and tradeoff data connectivity with retrieval/query performanceDesign, implement, and optimize graph algorithms and data structures for applications in decision support, classificationSupervise, help create, and implement algorithms for encoding and embedding, clustering, outlier detection, community detection, and dimensionality reductionBuild distributed training pipelines that can handle large graphs (100 M+ graph elements)Design and write queries and stored procedures for data loading, migration from existing databases, and retrievalInterface with customers and internal resources to ensure alignment of expectations and objective progress towards the application of graphs in advanced analytical systemsAuthor white papers, technical documentation, and patents and present at conferencesMentor and train data scientists on graph theory, graph analytics, and graph-based solution architecturesOther duties as assignedRequired Education:Master's degree in computer science, mathematics, or engineering with a strong focus on graph theory, algorithms, and data structuresRequired Experience:5+ years of recent professional experience in graph Machine Learning 3+ years of recent professional experience in the development and implementation of graph algorithms and data structures, including heterogeneous graphs for new applications3+ years leading research initiativesRequired Skills:Proficient with data modeling, schema design, database optimization, performance monitoringProficient in software development using 4GLsFamiliarity with graph libraries and frameworks, and machine learning libraries (e.g., PyTorch Geometric, DGL, GDS)Proficient in at least one Apache Spark-based cloud service (e.g., Azure Databricks)Commitment to and engagement in building strong and trustful relationships with teammates, business partners, and customersIntellectually curious and passionate about exploring new frontiers in graph theory with an emphasis on real-world applicationsDesire and ability to stay current with both academic and industry literatureMust be a U.S. citizen or green card holder due to customer requirementsPreferred:Experience with Neo4j, Cosmos DB, ArangoDBExperience with cloud services and their database management systemPh. The successful candidate will work across our client engagements and internal research projects, helping the company develop graph algorithms and techniques to support advanced data management designs, including dimension-rich and time-series-based decision systems.
NewJunior Data Scientist Python and Machine Learning SynergisticITJunior Data Scientist Python and Machine LearningWashington, DCCurrently, We are looking for entry-level software programmers, Java Full stack developers, Python/Java developers, Data analysts/Data Engineers/ Data Scientists, Machine Learning engineers for full time positions with clients. JOPP's Data Science / ML/AI track covers analytics, data engineering, visualization, machine learning, and related cloud tools, while the Java track keeps you valuable in enterprise systems that still run the economy.