- Foxhole Technology (Alexandria, VA)
- Lead Security Engineer Job Locations US-VA-Alexandria Job ID 2025-2022 Category CyberSecurity Type Regular Full-Time Clearance Required Top Secret/SCI Capability ... Overview Job Title: Lead Security Engineer Clearance: Top Secret w/SCI eligibility Location: Alexandria, VA Start: Based on Contract Award Foxhole Technology… more
- Scale AI, Inc. (Washington, DC)
- Machine Learning Engineer - Model Evaluations, Public Sector The Public Sector ML team at Scale deploys advanced AI systems -including LLMs, agentic models, ... for LLM agents, including infrastructure for scenario- based and environment- based testing. Conduct comparative analyses of model architectures, training… more
- LMI Consulting, LLC (Washington, DC)
- …seeking a dynamic, experienced Digital Engineer with a strong background in model - based systems engineering (MBSE) to to support a federal office ... Digital Engineer /MBSE Job Locations US-DC-Washington, DC Job ID 2025-12987...models in partnership with LMI and government teams, conducting model - based and traditional Systems Engineering… more
- RAND Corporation (Washington, DC)
- Job Type: Regular The Classified Network Engineer works as an integral part of the Security & Classified Operations team to engineer networks and infrastructure ... for classified network technologies, including the use of Classified Cloud based technology. Possess both expert-level knowledge and a breadth of experience… more
- LMI Consulting, LLC (Washington, DC)
- Forward Deployed Engineer - Clearance Required Job Locations US-DC-Washington, DC Job ID 2025-13353 # of Openings 2 Category Data/Analytics Benefit Type Salaried ... High Fringe/Full-Time Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC area. Successful Forward Deployed Engineers demonstrate… more
- Zscaler (Washington, DC)
- …Degree or equivalent experience + 5 to 8+ years of experience as a Sales Engineer or Systems integrator + Knowledge of network security technologies **What Will ... to the world. We're looking for a Senior Sales Engineer - Federal to join our Federal- Sales Engineering...all US locations and could be higher or lower based on a multitude of factors, including job-related skills,… more
- Scale AI, Inc. (Washington, DC)
- …solutions, and your expertise will be instrumental in designing and implementing systems that can handle billions of data points with exceptional performance. You ... will: Design and implement scalable backend systems for Federal customers, leveraging Scale's modern and cloud-native AI infrastructure Collaborate with… more
- Zscaler (Washington, DC)
- …agility with a cloud-first strategy. We are looking for a Staff Information Security Engineer who will operate as a vulnerability management engineer inside the ... Federal IL6 (SCIF) environment. **This fully onsite role is based in, or near, the Arlington, VA area /...SCIF, with no access to external networks or corporate systems , and adhering to one-way diode transfer protocols.** Reporting… more
- Arup (Washington, DC)
- …learn, teamwork, creativity + Strong interpersonal and communication skills essential for team- based working + Presentation skills with colleagues and clients of all ... invest in your future. + Work-life balance: Our hybrid model offers flexibility to balance work with your life....Goals, we create and contribute to equitable spaces and systems , while cultivating a sense of belonging for all.… more
- Outlier AI (Arlington, VA)
- …to shape the future of AI. Earn up to $15 USD/hr and additional rewards based on quality of submission. The following information provides an overview of the skills, ... for the world's leading AI labs and large language model builders. Weve built a best-in-class remote work platform...turn strive to provide them with a positive experience based on our core pillars of reliability, transparency, and… more
- AeroVironment (Arlington, VA)
- …and tactical missile systems . Founded in 1971 by celebrated physicist and engineer , Dr. Paul MacCready, we've been at the leading edge of technical innovation ... create strategic advantage across every domain of modern warfare. Our business model embraces commercial development and scaled production, founded on a culture of… more
- LMI Consulting, LLC (Mclean, VA)
- …to train Sponsor-owned AI/ML systems and models. The Contractor Team shall provide Model training based on training data that may need to be acquired from ... Software Engineer (SME) - TS/SCI with Polygraph Required Job...other components. The Contractor Team shall create complete AI- based systems , which may include multiple inputs,… more
- LMI Consulting, LLC (Tysons Corner, VA)
- AI Engineer (SME) - Clearance Required Job Locations US-Remote Job ID 2025-13421 # of Openings 1 Category Information Technology Benefit Type Salaried High ... Fringe/Full-Time Overview LMI seeks an experienced AI Engineer to support the US Army Center for Initial Military Training's (CIMT) Holistic Health & Fitness… more
- LMI Consulting, LLC (Tysons Corner, VA)
- Software Integration & Test Engineer Job Locations US-Remote Job ID 2025-13426 # of Openings 1 Category Information Technology Benefit Type Salaried High ... Fringe/Full-Time Overview LMI seeks a Software Integration & Test Engineer to support the US Army Center for Initial Military Training's (CIMT) Holistic Health &… more
- Deltek, Inc. (Herndon, VA)
- …inference; work with structured and unstructured data from multiple enterprise systems . Implement model training workflows including data preprocessing, feature ... 03-Dec-2025 ML/AI Engineer US Remote 10573BR Company Summary As the...10573BR Company Summary As the recognized global standard for project- based businesses, Deltek delivers software and information solutions to… more
- Deltek, Inc. (Herndon, VA)
- …analytics. Architect MLOps infrastructure, including CI/CD pipelines, A/B testing frameworks, model monitoring, and automated retraining systems . Lead technical ... 03-Dec-2025 Sr ML/AI Engineer US Remote 10574BR Company Summary As the...10574BR Company Summary As the recognized global standard for project- based businesses, Deltek delivers software and information solutions to… more
- Deltek, Inc. (Herndon, VA)
- … systems , prompt engineering at scale, RAG architectures, and model integration Development Best Practices: Experience establishing coding standards, testing ... 05-Dec-2025 Principal AI Applications Engineer US Remote 10558BR Company Summary As the...10558BR Company Summary As the recognized global standard for project- based businesses, Deltek delivers software and information solutions to… more
- Tyto Athene (Reston, VA)
- …The successful candidate is a highly skilled and innovative Cyber Engineer with operational experience supporting Security Operations Center (SOC), Network ... in network traffic, user behavior, system logs, and security events. + Engineer solutions to identify sophisticated cyber threats and network anomalies with high… more
- Battelle Memorial Institute (Chantilly, VA)
- …individuals to apply. **Job Summary** Battelle is seeking a **Junior Reverse Engineer /Vulnerability Researcher** in the Chantilly, VA office location. Do you like ... take yourself to the next level. **Responsibilities** A **Junior Reverse Engineer /Vulnerability Researcher** performs assignments of a routine degree of complexity… more
- Visa (Ashburn, VA)
- …Visa. Job Description We are seeking a Senior Network Test & Certification Engineer with deep expertise in network modeling, simulation, cloud, and automation, and ... modeling tool. * Develop, execute, and automate test plans to validate cloud- based network architectures, connectivity, and security across platforms such as AWS,… more