Senior Full Stack AI Developer CACISenior Full Stack AI DeveloperNational Harbor, Maryland$105,100–$231,100 / yearJob Title: Senior Full Stack AI DeveloperJob Category: Information TechnologyTime Type: Full timeMinimum Clearance Required to Start: Public TrustEmployee Type: RegularPercentage of Travel Required: NoneType of Travel: None* * * The Opportunity: CACI is seeking a Senior Full Stack/AI Developer to join our team of technical experts supporting the U.S. Department of Homeland Security (DHS) Headquarters Artificial Intelligence and Emerging Technology (AI/ET) initiative. Significant professional Full-Stack development experience with expertise in multiple programming languages, proficiency with cloud services (Azure and AWS with Azure preferred), deep expertise in Python for back-end development, experience with front-end frameworks such as React and CSS and strong experience in API development and management.
Agentic AI & GIS Solutions Consultant Corner AllianceAgentic AI & GIS Solutions ConsultantWashington, DCAs an Agentic AI & GIS Solutions Consultant supporting our Federal government client, you will be trusted to design, build, and integrate the geospatial components of an agentic AI system — combining Esri ArcGIS-based geospatial engineering with LLM orchestration, structured data workflows, and secure API design. Architect and build the Polygon and Geo-Targeting Agent, importing authoritative hazard geometry — NWS warning polygons, wildfire perimeters, plume models, and jurisdictional GIS layers — and managing pre-drawn, jurisdiction-vetted evacuation zones.
AI Security Specialist Leidos Holdings IncAI Security SpecialistAshburn, VA$107,900–$195,050 / yearThe Department of Homeland Security (DHS), Customs and Border Protection (CBP) Cyber Security Directorate (CSD) Security Operations Center (SOC) is a US Government program responsible to prevent, identify, contain and eradicate cyber threats to CBP networks through monitoring, intrusion detection and protective security services to CBP information systems including local area networks/wide area networks (LAN/WAN), commercial Internet connection, public facing websites, wireless, mobile/cellular, cloud, security devices, servers and workstations. Solid understanding and hands-on experience with generative AI models including prompt engineering, chain-of-thought reasoning, and Natural Language Processing (NLP) tasks such as entity extraction, summarization, and semantic search.
Principal AI Engineer, Special Programs Space Exploration Technologies CorpPrincipal AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
AI Solutions Engineer Science Applications International CorpAI Solutions EngineerWashington, DC$160,001–$200,000 / yearOur client is committed to a journey that will modernize hundreds of legacy applications with unprecedented speed, digitize low-to-no-tech business processes, and outfit the organization with cutting edge tools for planning and decision making. Our robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services.
Lead AI Software Developer Leidos Holdings IncLead AI Software DeveloperGaithersburg, MD$87,100–$157,450 / yearAs a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. Leidos is seeking a Lead AI Software Developer to join the Air Traffic Business Area within the Homeland Sector, supporting the development of the Leidos Common Baseline.
AI Software Developer Leidos Holdings IncAI Software DeveloperGaithersburg, MD$69,550–$125,725 / yearAs a member of a Scaled Agile software development organization, you will contribute to the technical execution of a program that integrates proven, globally deployed technologies with modern cloud-native and AI-enabled capabilities. 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.
Senior AI Engineer Leidos Holdings IncSenior AI EngineerRockville, MD$131,300–$237,350 / yearFamiliarity with Azure/C2S, hardware platforms (CPUs, GPUs, FPGAs), and advanced analytical methodologies (social network analysis, supply chain analysis, NLP, classification algorithms, image processing). What You Bring: Bachelor's, Master's, or equivalent graduate degree in a quantitative or analytical field (Computer Science, Mathematics, Statistics, Engineering, Physics, Computational Social Science, etc.).
AI Engineer Avid Technology Professionals LLCAI EngineerAnnapolis Junction, MDThis includes prototyping new models, writing production-quality code, and maintaining existing AI systems. datasets (both structured and unstructured) to inform the data model, identify data.
Artificial Intelligence (AI) SETA Science Applications International CorpArtificial Intelligence (AI) SETAChantilly, VA$200,001–$240,000 / yearThe Customer's Artificial Intelligence (AI) Research Team Systems Engineering and Technical Assistant (SETA) role is a full-time position central to the coordination and smooth daily operation of the AI Research Team and associated IC-level activities. As part of the AI research team, the SETA will be trusted to coordinate and manage activities related to a variety of sensitive topics to include intelligence writing, strengthening research proposals, and hands-on support to technical activities.
Senior AI Systems Engineer Science Applications International CorpSenior AI Systems EngineerChantilly, VAIn this role, you will directly support the National Reconnaissance Office's (NRO) Ground Enterprise Directorate (GED)-the organization responsible for architecting, acquiring, and sustaining the nation's most advanced space and ground systems across their full lifecycle. Work closely with customer and vendor data engineers and architects to ensure data pipelines, infrastructure, and compute environments are optimized for model development and deployment.
Sr. AI Engineer, Special Programs Space Exploration Technologies CorpSr. AI Engineer, Special ProgramsWashington, DC$220,000–$350,000 / yearITAR REQUIREMENTS: To conform to U.S. Government export regulations, applicant must be a (i) U.S. citizen or national, (ii) U.S. lawful, permanent resident (aka green card holder), (iii) Refugee under 8 U.S.C. § 1157, or (iv) Asylee under 8 U.S.C. § 1158, or be eligible to obtain the required authorizations from the U.S. Department of State. You may also be eligible for long-term incentives, in the form of company stock, stock options, or long-term cash awards, as well as potential discretionary bonuses and the ability to purchase additional stock at a discount through an Employee Stock Purchase Plan.
AI Systems Engineer (SE-3) Leidos Holdings IncAI Systems Engineer (SE-3)MD$107,900–$195,050 / yearThe engineer will work closely with mission stakeholders to build agentic AI solutions that automate research, analysis, reporting, and data workflows while creating intuitive natural language interfaces that make complex Knowledge Graphs accessible to users. Desirable Skills: Experience creating interactive visualizations that transform complex data science insights into compelling, actionable intelligence for end users and decision-makers.
Research Professorial Faculty Open Rank, AI Test and Evaluation Virginia Polytechnic Institute and State UniversityResearch Professorial Faculty Open Rank, AI Test and EvaluationArlington, VAThis position blends responsibilities traditionally associated with technical integrators, chief engineers, and portfolio managers, requiring both deep technical expertise in AI and T&E and demonstrated leadership in managing interdisciplinary research teams, coordinating stakeholders, and shaping research direction in rapidly evolving mission contexts. VTNSI seeks a Research Assistant Professor, Research Associate Professor, or Research Professor in Artificial Intelligence (AI) Test & Evaluation (T&E) to play a central leadership role in a collaborative governmentacademiaindustry research environment focused on accelerating the development, assessment, and transition of AI and machine learning (ML) capabilities for national security.
Data Scientist – NLP / Generative AI BizFirstData Scientist – NLP / Generative AIAlexandria, VirginiaYou have built production NLP systems, worked with transformer-based architectures, and have direct experience with large language models – including fine-tuning, prompt engineering, and retrieval-augmented generation (RAG). RAG & Embeddings: Direct experience building retrieval-augmented generation pipelines, vector databases (Pinecone, Weaviate, FAISS, or equivalent), and semantic search systems.
AI Data Engineer Science Applications International CorpAI Data EngineerFort Belvoir, VA$160,001–$200,000 / yearOur robust portfolio of offerings across the defense, space, intelligence, and civilian markets includes secure high-end solutions in mission IT, enterprise IT, engineering services, and professional services. The AI Data Engineer will design, develop, and maintain data pipelines and architectures to support AI/ML workloads for the Army Intelligence & Security Enterprise (AISE).
NewSenior AWS Generative AI Solution Engineer Leidos Holdings IncSenior AWS Generative AI Solution EngineerGaithersburg, MDRemote$107,900–$195,050 / yearThe selected candidate will lead development of a multi-agent solution using Amazon Bedrock, AgentCore Runtime, Knowledge Bases, Guardrails, OpenSearch Serverless, AWS Lambda, and Retrieval-Augmented Generation to support grounded voice and chat interactions. Target Technical Skills: Highly Desired/Preferred Skills (Nice to Have): Amazon Bedrock, Bedrock Agents, Bedrock Guardrails, Bedrock Knowledge Bases, AgentCore Runtime.
Research Data, AI & Innovation Lead GuidehouseResearch Data, AI & Innovation LeadRockville, MarylandCompensation decisions depend on a wide range of factors, including but not limited to skill sets, experience and training, security clearances, licensure and certifications, and other business and organizational needs. Note that Guidehouse will never charge a fee or require a money transfer at any stage of the recruitment process and does not collect fees from educational institutions for participation in a recruitment event.
NewAI & Data Strategy Program Analyst GuidehouseAI & Data Strategy Program AnalystMcLean, District of Columbia$98,000–$163,000 / yearThis role is ideal for someone who is highly organized, proactive, and skilled at coordinating complex workstreams, managing intake processes, supporting executive‑level communications, and working with large datasets. Track and maintain complex datasets related to customer service requests, portfolio activities, and AI‑related initiatives, ensuring all data is accurate, current, and well‑organized.
NewAI Engineer WISETEK PROVIDERS INCAI EngineerDunn Loring, DCFull timeSupport multiple LLMs and modalities: Azure OpenAI, Llama (Meta), Claude, etc., and task-specific OSS models (vision, speech), with policy-driven model routing for performance, safety, and cost. Use Azure Data Factory (ADF) and Azure Databricks for orchestrated, scalable data processing; use AWS EMR for Hadoop/Spark workloads supporting AI features.