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330 security clearance jobs found in McLean, VA

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LMI
May 16, 2026
Senior Technical Project Manager – TS/SCI with Polygraph Required
LMI McLean, VA
Overview The Senior Technical Project Manager will play a pivotal role in the successful implementation of a modernization effort for a key US Army client. This position requires a seasoned professional with a deep understanding of cloud technologies, Army standards, and the ability to coordinate development efforts to ensure alignment with Army requirements and capabilities. The Technical Program Manager will be responsible for ensuring the implementation of best-of-breed technologies while mitigating risks and overseeing the work of a deeply technical team while serving as a top Technical SME to our US Army Client. The Techcnial Program Manager will be required to connect deep technical implementations with high-level, non-technical leadership to connect solutions to mission requirements while moving fast, building and deploying while communicating, driving consensus, team building and owning an end-to-end solution process with our client.  LMI is a new...
LMI
May 16, 2026
Cyber Engineer - TS/SCI with Polygraph Required
LMI McLean, VA
Overview We’re looking for a Cyber Engineer to help deploy, extend, and integrate LIGER, an enterprise AI platform that connects knowledge, systems, and agentic workflows to accelerate outcomes across federal missions. You’ll join a small, cross-functional team working directly with customers to get LIGER into production and build the features that make it stick.    Join our cutting-edge generative AI (GenAI) platform, LIGER™ , created by its technology studio, LMI  Forge . LIGER™ harnesses the power of advanced technology, data analytics, and the latest in machine learning and natural language processing to provide secure, private, and trustworthy GenAI solutions for government.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed....
LMI
Apr 24, 2026
Cyber Operations Officer
LMI McLean, VA
Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities We are seeking a dynamic Cyber Operations Officer to drive advanced cyber operations while enabling mission success through strategic planning,...
LMI
Mar 19, 2026
Data Scientist (SME) - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Position is on the research staff of a government consulting organization and will be based out of Reston, VA. This position provides verified mathematical and scientific techniques...
LMI
Mar 19, 2026
Expert Systems Engineer - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI currently has three opportunities for Expert Systems Engineers to support an Intelligence Community customer in the northern Virginia area.    The ideal candidate will serve in a full-time client facing role as an Expert Systems Engineer for an Intelligence Community (IC) client specializing in application development and maintenance with application instances in the cloud environment.  The candidates will demonstrate polished skills in programming and execution while managing and configuring the cloud environment for optimal usage. Lastly, candidates will provide engineering support in tracking hardware devices and software licenses for stand-alone tablets and other periferal devices. LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at...
LMI
Mar 19, 2026
Technical Program Manager - Polygraph Clearance Required
LMI McLean, VA
Overview Join our cutting-edge generative AI (GenAI) platform,  LIGER™ , created by its technology studio, LMI  Forge . LIGER™ harnesses the power of advanced technology, data analytics, and the latest in machine learning and natural language processing to provide secure, private, and trustworthy GenAI solutions for government.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change....
LMI
Mar 19, 2026
Data Scientist - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI is seeking a Data Scientist  to support a U.S. Federal Government Agency working with classified media. This position will work with a team of developers, architects, and data scientists to build new capabilities for our client, bringing innovative ideas to challenging and complex problems. The Data Scientist will query and structure data, apply algorithms to develop machine learning models, develop metrics and data visualizations, and deploy visualization products to web-based environments. The Data Scientist will have a strong background in technology, the ability to structure data for reporting, and a strategic view for how to present analytic results to customers. This position will be responsible for presenting and explaining complex results to users. Join our team of collaborative self-starters focused on delivering practical and efficient solutions in support of our client's incredibly important mission.     LMI...
LMI
Mar 02, 2026
Software Developer - TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region to join one of our M&S customer development teams. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software development, analysis, or deployments, and working closely with customers. This role requires a combination of technical skills, strong communication, and the ability to quickly turn ideas into production caliber code. This role will work as part of the Sales Engineering team and engage directly with customers on-site, in a hybrid format, or remotely, as required by each customer including the potential for occasional short-term travel to customer locations across the United States. Responsibilities This is a 100% remote role with quarterly travel for in person team planning and collaboration events....
LMI
Feb 11, 2026
Records Scanning Specialist - Active TS/SCI with Polygraph Required
LMI McLean, VA
Overview LMI is currently seeking a Records Scanning Specialist with a TS/SCI and polygraph clearance and experience supporting Intelligence Community customers.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.   Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and civilian sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value. Responsibilities...
LMI
Jun 04, 2026
Information Systems Security Officer (ISSO) - Navy
LMI Tysons, VA
Overview LMI, a consultancy dedicated to enhancing government transformation and readiness, is seeking a highly skilled Information Systems Security Officer (ISSO) to support the Naval Autonomous Data Collection System (NADACS) portfolio. This pivotal role ensures that NADACS systems operate within approved cybersecurity frameworks while fostering mission success through compliance, system integrity, and strong stakeholder collaboration. This is a unique opportunity to drive cybersecurity excellence in a critical Navy logistics program. As an ISSO in the NADACS portfolio, you'll play a pivotal role in securing systems that enhance asset tracking and fleet readiness on a global scale. Join LMI in a mission-focused role where innovation meets impact.    This position requires an active Secret clearance . Preference for location in Norfolk, VA, Mechanicsburg, PA or Tysons, VA.    LMI is a new breed of digital solutions provider dedicated to...
LMI
Jun 01, 2026
Advanced Engineering and Infrastructure Lead
LMI Tysons, VA
Overview LMI is looking for an Advanced Engineering and Infrastructure Lead to design, build, and operate the enterprise infrastructure that enables secure, scalable, and mission-ready technology solutions. This is a hands-on, builder-lead role combining strategic vision with deep technical execution across cloud, hybrid infrastructure, DevSecOps platforms, and enterprise services. The role focuses on creating infrastructure patterns, standards, and platforms that integrate seamlessly with enterprise AI systems, business applications, IT service delivery, and cybersecurity programs, enabling teams to deploy solutions rapidly, reliably, and securely.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed. Leveraging our...
LMI
May 29, 2026
Enterprise AI Lead
LMI Tysons, VA
Overview We are looking for an Enterprise AI Lead to design, build, and scale AI capabilities across the organization. This is a hands-on leadership role focused on developing real systems—not just strategy— spanning AI platforms, data pipelines, and production-grade AI applications. You will operate at the intersection of AI platform engineering, data architecture, and solution delivery, leading by building and establishing the technical foundation for enterprise AI. This includes everything from LLM platforms and agent orchestration to MLOps, RAG pipelines, and AI-enabled applications. This role is ideal for someone with a platform engineering or infrastructure background who has moved into AI and wants to continue building—while also shaping strategy, standards, and long-term direction.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of...
LMI
May 29, 2026
Senior Strategic Communications Consultant
LMI Tysons, VA
Overview LMI is seeking an experienced Senior Strategic Communications Consultant to support a Department of Defense client as they execute business transformation activities. Candidates must be able to pass background checks and/or obtain a security clearance if needed.   At LMI, we’re reimagining the path from insight to outcome at the New Speed of Possible™.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.  Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies...
LMI
May 18, 2026
Technical Recruiter – Platforms, Product & AI
LMI Tysons, VA
Overview LMI is seeking a Technical Recruiter to support hiring across our growing digital, platform, and product engineering ecosystem. This role will focus on identifying and attracting technical talent across software engineering, cloud, platform engineering, data, AI/ML, product, and emerging technology domains supporting mission-driven solutions for federal customers. The recruiter will partner closely with engineering, product, and business leaders to develop recruiting strategies, build strong technical talent pipelines, and deliver an exceptional candidate experience. This individual will operate in a collaborative, fast-paced environment and play a key role in helping scale teams focused on digital transformation, advanced analytics, and mission technology solutions.   This is a hybrid role with weekly onsite requirements at our Tysons, VA headquarters (3 days per week).   LMI is a new breed of digital solutions provider dedicated to...
LMI
May 12, 2026
F-35 Systems Engineering Analyst
LMI Tysons, VA
Overview LMI is seeking a Systems Engineer Analyst to support DoD enterprise IT modernization initiatives focused on logistics, sustainment, and operational mission environments. As part of a collaborative requirements and testing team, this role supports systems engineering, requirements development, enterprise architecture, and verification and validation activities across the engineering lifecycle. The candidate will work within Agile and SAFe environments to help translate operational needs into actionable technical requirements while supporting architecture development, traceability, testing, and systems integration efforts aligned with mission objectives. This individual will collaborate closely with Government stakeholders, engineers, architects, developers, and test teams to provide disciplined engineering support, technical analysis, and problem solving across complex DoD enterprise environments.   LMI is a new breed of digital solutions provider...
LMI
May 01, 2026
Field Product Lead
LMI Tysons, VA
Overview We’re hiring a Field Product Lead to own how the SPECTR system is configured, deployed, and evolved in real-world environments. You’ll sit at the intersection of product, engineering, and field delivery—ensuring each customer deployment is tailored to operational needs while feeding critical insights back into the product roadmap.   This is not a purely technical or purely product role—it’s both. You’ll make configuration decisions in the field, guide SMEs, and ensure that what we build aligns with how the system is actually used.   you thrive in ambiguity, can balance standardization with real-world constraints, and know how to turn field feedback into product evolution, this role is for you. Who We Are We’re not here to maintain the status quo—we’re here to rewrite it and innovate at the pace of need. Our team is laser-focused on delivering next-generation RFID, mesh networking, and IoT-enabled capabilities to the DoD—bringing real-time...
LMI
May 01, 2026
Technical Program Manager – Clearance Required
LMI Tysons, VA
Overview The Technical Program Manager  will play a pivotal role in the successful implementation of a DevSecOps Platform effort for a key U.S. Army client. This position requires a seasoned professional with deep expertise in cloud platforms, Army standards, and DevSecOps platforms along with the ability to coordinate complex development efforts to ensure alignment with Army mission requirements and operational realities. This position requires an active Secret clearance.   The Technical Program Manager will be responsible for guiding the deployment and evolution of LMI’s IronSled Platform, a DevSecOps cloud based platform, mitigating technical and programmatic risk, and overseeing the work of a deeply technical, multi-disciplinary team. This role serves as a senior Technical SME to the U.S. Army client, bridging hands-on technical execution with senior, non-technical leadership to ensure AI-driven platform solutions directly support mission outcomes....
LMI
Apr 10, 2026
Supply Chain Management Intern – Critical Rare Earth Materials (Summer 2026)
LMI Tysons, VA
Overview LMI is seeking a Supply Chain Management Intern – Critical Rare Earth Materials to support analysis of supply chains for critical rare earth materials and their use in parts and components. This internship will focus on researching material flows, developing value stream maps, identifying infrastructure required to support recovery and recycling, and assessing whether parts containing rare earth materials can be recycled now or may become recyclable as new technologies mature. The intern will help build practical frameworks to support part screening and recyclability assessments.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.    Leveraging our mission-ready technology and solutions, proven expertise in federal...
LMI
Apr 01, 2026
Platform Engineer - Clearance Required
LMI Tysons, VA
Overview   LMI, a trusted government contractor with decades of experience delivering cutting-edge solutions, is seeking a driven and innovative Platform Engineer to support the deployment and maintenance of IronSled, a DevSecOps product tailored for government-authorized environments. IronSled accelerates software development and deployment in highly regulated environments by meeting stringent federal security requirements. The product streamlines accreditation processes for secure infrastructure within authorized government networks on cloud or on-premise systems. This position requires and active Secret clearance. This position can be performed remotely or hybrid (with occasional on-site work in government-authorized environments).    LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and...
LMI
Apr 01, 2026
Cloud Engineer
LMI Tysons, VA
Overview LMI is seeking a Cloud Engineer to support our LIGER platform to meet specific customer needs.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes ahead of need, LMI brings commercial-grade platforms and mission-ready AI to federal agencies at commercial speed.      Leveraging our mission-ready technology and solutions, proven expertise in federal deployment, and strategic relationships, we enhance outcomes for the government, efficiently and effectively. With a focus on agility and collaboration, LMI serves the defense, space, healthcare, and energy sectors—helping agencies navigate complexity and outpace change. Headquartered in Tysons, Virginia, LMI is committed to delivering impactful results that strengthen missions and drive lasting value.   Responsibilities Responsible for evaluating...
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