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10 platform engineer jobs found

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LMI
Mar 20, 2026
Mission Engineering Manager - Clearance Required
LMI Tysons, VA, USA
Overview We’re building the next generation of RFID, GPS tagging, and sensor-mesh solutions that power mission-critical operations across the DoD. Our products move data, but more importantly, they move missions. As our Mission Engineering Manager, you’ll define the architecture, guide the accreditation path, and lead the engineers that make it real. You’ll be the technical backbone of our delivery—ensuring every system is secure, compliant, and ready to perform where it matters most.     This position requires a Secret clearance.     Hybrid (U.S.-Based) | Some Travel Required | Primary work location in Washington,DC; Norfolk, VA; or Mechanicsburg, PA     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
Mar 19, 2026
Full-Stack Developer-TS/SCI/Polygraph
LMI Tysons, VA, USA
Overview LMI is seeking a Full-Stack Developer with proficiency in Agentic AI to join the Chief Technology Office development team. This position requires an individual who thrives in dynamic environments, rapidly delivering results while maintaining flexibility to adapt to shifting priorities. This position requires active Top Secret with Polygraph clearance. You must be a U.S. citizen. We are seeking a Full Stack Developer to support mission-focused application development within a secure cloud and on-premise environment. The selected candidate will contribute across the full software development lifecycle, including application design, UI development, backend services, and large-scale data processing workflows . This role requires experience building scalable applications that integrate cloud services, data platforms, and analytics tools to support operational and analytical systems. Responsibilities...
LMI
Mar 19, 2026
Expert Systems Engineer - TS/SCI with Polygraph Required
LMI McLean, VA, USA
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...
General Dynamics Mission Systems, Inc
Mar 16, 2026
Reverse Engineer
General Dynamics Mission Systems, Inc Fredericksburg, VA, USA
Basic Qualifications Education Requirements: Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience.     Clearance Requirements: Department of Defense TS/SCI with Polygraph security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Imagine a world-class engineering environment. Now add a team of exceptional talent along with technologies that are so advanced they’re often classified. That’s what you’ll find at General Dynamics Mission Systems. Here you’ll lead amazing engineers as they invent the...
LMI
Mar 13, 2026
Cybersecurity Architect - Clearance Required
LMI Arlington, VA, USA
Overview LMI is seeking a Cybersecurity Architect to support LMI’s leading-edge, technology-enabled mission. In this fast-paced and matrixed environment, this position will develop cybersecurity requirements and solutions to ensure LMI’s technology meets all our risk and compliance requirements and will communicate our posture to stakeholders and customers. This position requires a Top Secret/SCI clearance. This position will be mostly on site at the client facility in Arlington, VA with some hybrid remote days at times.   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...
LMI
Mar 02, 2026
Software Developer - TS/SCI with Polygraph Required
LMI McLean, VA, USA
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....
General Dynamics Mission Systems, Inc
Feb 12, 2026
CWL Software Engineer
General Dynamics Mission Systems, Inc Manassas, VA, USA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 2+ years of job-related experience, or a Master's degree and 6 months of job-related experience. Agile experience preferred,   CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position As a Software Engineer for the Common Weapon Launcher and Multi-Tube Weapon Simulator, you’ll be a member of a cross functional team responsible for designing and developing software supporting the U.S. Navy's platforms within the Tactical....
Lockheed Martin
Feb 04, 2026
Linux Administrator SME
Lockheed Martin Herndon, VA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin provides Red Hat Enterprise Linux (RHEL) based High Performance...
Lockheed Martin
Feb 04, 2026
SE Linux / MLS SysAdmin
Lockheed Martin Herndon, VA, USA
Description: Space is a critical domain, connecting our technologies, our security and our humanity. While others view space as a destination, we see it as a realm of possibilities, where we can do more — we can innovate, invest, inspire and integrate our capabilities to transform the future. At Lockheed Martin Space, we aim to harness the full potential of space to cultivate innovation, reduce costs, and push the boundaries of what technology can achieve. We’re creating future-ready solutions, focusing on resiliency and urgency through our 21st Century Security® vision. We’re erasing boundaries and forming partnerships across industries and around the world. We’re advancing spacecraft and the workforce to fuel the next generation. And we’re reimagining how space can connect us, ensuring security and prosperity. Join us in shaping a new era in space and find a career that's built for you. Lockheed Martin provides Red Hat Enterprise Linux (RHEL) based High Performance...
LMI
Jan 16, 2026
Tactical Sports Scientist II - Clearance Required
LMI Newport News, VA, USA
Overview LMI seeks a Tactical Sports Scientist II to support the U.S. Army’s Holistic Health & Fitness (H2F) initiative as a member of the Analytics functional team within the H2F Program Support Team. The Tactical Sports Scientist II supports the applied analysis and interpretation of human performance, workload, and recovery data to inform readiness assessment and injury-risk awareness within the Holistic Health and Fitness Management System (H2FMS). This role focuses on execution and analytic support, not training delivery, coaching, or independent scientific strategy development. The Tactical Sports Scientist II works closely with epidemiologists, data engineers, AI/ML engineers, research psychologists, and software teams to ensure that performance-related data are accurately interpreted and integrated into analytics, dashboards, and decision-support products delivered through the Government-managed H2F application.   LMI is a new breed of...
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