Salesforce Developer Fantom CorporationSalesforce DeveloperMcLean, VirginiaEstablished in 2015, Fantom Corp serves Federal customers with top-notch Cybersecurity Architects, Data Scientists/Analysts, Software Engineers/Developers, DevSecOps Engineers, Project Managers, Identity, Credential Access Management (ICAM) services, and Cloud-certified practitioners. We excel in delivering emerging technologies such as Artificial Intelligence (AI) and Machine Learning (ML) with a focus on identifying trends, object detection, and classification of structured and unstructured data.
Distinguished Engineer (Remote - Eligible) Capital OneDistinguished Engineer (Remote - Eligible)McLean, MassachusettsRemoteWe develop advanced, data-driven tools that leverage machine learning and AI capabilities to proactively prevent risks and automatically identify potential issues before they can harm our business, customers, or communities. You are expected to dive deep into the codebase, write high-quality production code, actively participate in complex system design reviews, and mentor engineers through practical, on-the-ground technical leadership.
AI/ML Scientist/Developer AxleAI/ML Scientist/DeveloperBethesda, Maryland$100,000–$130,000 / yearThe successful candidate will design and implement machine learning models that predict organoid development outcomes based on protocol parameters, environmental conditions, and molecular characterization data. Axle is a bioscience and information technology company that offers advancements in translational research, biomedical informatics, and data science applications to research centers and healthcare organizations nationally and abroad.
User Support Specialist (Intelligence Data Discovery and Tradecraft) LeidosUser Support Specialist (Intelligence Data Discovery and Tradecraft)Bethesda, MarylandWe integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. Leidos is designing, developing, deploying, and operating a DoD-wide Tasking, Collection, Processing, Exploitation, and Dissemination (TCPED) workflow management platform for Open Source Intelligence (OSINT) known as POSTMAN.
Appian Software Integrator/Low Code Developer LeidosAppian Software Integrator/Low Code DeveloperBethesda, MarylandWe integrate off the shelf and new development efforts to sustain and enhance existing architecture and by leveraging cloud-based computing, artificial intelligence (Al), machine learning (ML) and cross-domain transfer systems to provide cutting edge requirements management, task coordination, data exploitation, enrichment, triage, and analytics capabilities to Defense and Intelligence Community members. You will work closely with Systems Engineers, Software Engineers, Architects, and Operations Engineering/Manager on a broad scope of activities extending across the development of systems to include backend and frontend software engineering tasks.
NewData Engineer (Knowledge Graph Specialist) Black CapeData Engineer (Knowledge Graph Specialist)Bethesda, MDWe support many programs and agencies as both a prime and a subcontractor and created a strong reputation working with top tier partners doing work for all major Intelligence Community agencies, DoW, and Special Operations customers. Black Cape’s approach to solution development combines lessons learned from developing and deploying applications to customer cloud environments with industry best practices in Agile development and DevOps.
Senior Software Engineers | Platform | Infrastructure | Cloud | AI District PartnersSenior Software Engineers | Platform | Infrastructure | Cloud | AIArlington, VirginiaSuccessful candidates will typically bring experience across several of the following areas: 8+ years of Software Engineering, Platform Engineering, Infrastructure Engineering, DevOps, Site Reliability Engineering, or related disciplines. District Partners has been engaged by a rapidly growing technology company building advanced software platforms, AI-driven capabilities, and cloud-native solutions that support highly complex, mission-critical environments.
Special Assistant Redhorse CorporationSpecial AssistantFalls Church, VADepartment of War (DoW) Coordination: Coordinate with a wide range of external organizations, including leading DoW autonomy organizations across the Services, combatant commands, and Defense Agencies & Field Activities (DAFAs), especially program offices, R&D, T&E, and research laboratories. Deliverables & Communications: Prepare and coordinate high-quality, timely documents, read-ahead materials, memos, white papers, presentations, and other deliverables for senior General/Flag Officer and Senior Executive Service leadership.
NewData Scientist (TS/SCI with Full Scope Polygraph) Macpower Digital Assets Edge Private LimitedData Scientist (TS/SCI with Full Scope Polygraph)Reston, VA$200,000–$250,000 / yearThe Data Scientist supports high-impact analytical initiatives in secure government environments, contributing to mission-critical efforts in artificial intelligence and machine learning (AI/ML), computer vision, natural language processing (NLP), and audio signal processing. Position Description: We are seeking a Data Scientist with a TS/SCI Full Scope Polygraph (FSP) to support high-impact, mission-focused programs in Northern Virginia.
Appian Principal Developer Consultant - Civilian GroundswellAppian Principal Developer Consultant - CivilianMcLean, VirginiaIn addition, this role and level will mentor our delivery teams on best practices for advanced technical solutions and platform design, work with our clients on the most technically challenging Appian programs, and implement internal processes and tools to improve the efficiencies of the business. Strong communication skills and ability to convey complex concepts in an easy-to-understand manner, both verbally and written; active listening skills to gather key information from internal and external partners; analytical and strategic foresight.
Director, Data Scientist - External Data Strategy Capital OneDirector, Data Scientist - External Data StrategyMcLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 9 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
Manager, Data Scientist - Bureau Data Strategy Capital OneManager, Data Scientist - Bureau Data StrategyMcLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 6 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
NewSenior Associate, Data Science Capital OneSenior Associate, Data ScienceMcLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an expectation that the required degree will be obtained on or before the scheduled start date: A Bachelor's Degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) plus 2 years of experience performing data analytics. As a Data Scientist at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
NewPrincipal Quantitative Analyst - Global Finance Capital OnePrincipal Quantitative Analyst - Global FinanceMcLean, VirginiaCurrently has, or is in the process of obtaining one of the following with an exception that the required degree will be obtained on or before the scheduled start date: A Master’s degree in a quantitative field (Statistics, Economics, Operations Research, Analytics, Mathematics, Computer Science, or a related quantitative field) or an MBA with a quantitative concentration plus 3 years of experience in quantitative analytics. As a Quantitative Analyst at Capital One, you’ll be part of a team that’s leading the next wave of disruption at a whole new scale, using the latest in cloud computing and machine learning technologies and operating across billions of customer records to unlock the big opportunities that help everyday people save money, time and agony in their financial lives.
Expert ML Software Engineer GrvtyExpert ML Software EngineerSpringfield, Virginia$150,000–$165,000 / yearExperience with MLOps tooling and workflow orchestration — experiment tracking and model registry (MLflow or equivalent), and pipeline orchestration on Kubernetes (Kubeflow, Argo Workflows, or Airflow) — supporting automated retraining, model versioning, and drift detection. Experience serving models for low-latency inference at scale, including LLM serving frameworks (vLLM, TGI, or NVIDIA Triton Inference Server), GPU memory management, and batching/quantization tradeoffs.
Senior Data & AI Analyst, Finance Systems AerovironmentSenior Data & AI Analyst, Finance SystemsArlington, VA$89,000–$135,750 / yearProvide ongoing production support for existing finance systems data flows, reporting, and integrations (Oracle Fusion, EPM, Apex, and other applications); execute data migration activities for Oracle Fusion and other finance system implementations; own hypercare support for data-related issues (balance mismatches, missing records, data correction requests). Hands-on experience with LLM APIs (OpenAI GPT, Anthropic Claude, Google Gemini), prompt engineering techniques, and AI agent frameworks (LangChain, LlamaIndex, AutoGen, CrewAI) including retrieval-augmented generation (RAG) architectures.
Senior Data Scientist (TS/SCI cleared) Johns Hopkins Applied Physics LaboratorySenior Data Scientist (TS/SCI cleared)Laurel, MarylandFull timeThe Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Senior Data Scientist Johns Hopkins Applied Physics LaboratorySenior Data ScientistLaurel, MarylandFull timeThe Threat Analytic Systems (QAI) Group is seeking talented team members who will help provide our nation with ground-breaking capabilities that bridge the gaps between data, the latest developments in technology, and real-world impact of national importance. APL provides eligible staff with a comprehensive benefits package including retirement plans, paid time off, medical, dental, vision, life insurance, short-term disability, long-term disability, flexible spending accounts, education assistance, and training and development.
Fellow, Data Engineering Systems Planning and AnalysisFellow, Data EngineeringAlexandria, Virginia$175,000–$265,000 / yearAdvocate for new areas of expertise to fulfill client needs and position SPA as an industry thought leader, with particular emphasis on the following areas Strategic data and analytics guidance: Provide periodic strategic guidance on SPA’s enterprise data engineering and analytics strategy, ensuring alignment with government customer mission requirements and federal priorities such as national security, mission efficiency, and responsible data use. Responsibilities: The Data Engineering Fellow reports into the Chief Capabilities Office (CCO) and will help SPA design and mature robust data architectures and analytic approaches that leverage a wide range of data types (e.g., structured/tabular, log data, text, imagery, video, sensor/telemetry) to deliver actionable insights for government customers.
Russian HLT [HLT/Technical Support} LeidosRussian HLT [HLT/Technical Support}Vienna, VirginiaMay 6, 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. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.