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21 senior cybersecurity engineer jobs found

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LMI senior cybersecurity engineer
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LMI
Jun 09, 2026
Information Systems Security Engineer (ISSE) - Navy - Norfolk
LMI Norfolk, VA
Overview Location: Norfolk, VA preferred. Tysons, VA, or Richmond, VA, allowed. Partial teleworking allowed.   Overview:   The Information Systems Security Engineer (ISSE) - Navy   will promote an integrated, team-oriented culture while delivering strong individual contribution while advocating through action, robust teaming,  coordination  and collaboration .   In this dynamic role, you will  leverage  your technical and cybersecurity subject matter  expertise  to provide strategic guidance and support to LMI clients throughout sales and engagement processes. This  Senior Consultant  level role will be expected to contribute critical thinking, spanning client support, securing planned architecture, troubleshooting, and working with customers to developing use cases and applications of LMI sensor technology. Your  contribution to  proposed cybersecurity responses will help drive implementation roadmaps and ensure alignment with...
LMI
May 21, 2026
Senior Software Test Engineer - TS Clearance Required
LMI Colorado Springs, CO
Overview LMI is actively seeking a skilled, experienced Senior Software Test Engineer to join LMI’s Space Market modeling and simulation (M&S) development team in Colorado Springs, CO. This role involves working directly with USSF and US Government customers, as well as analytical partners, to translate wargame, exercise, training, and analytic needs into responsive, high-performance software applications within LMI’s Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR ® .   The ideal candidate is adept at applying systems engineering principles in modern software environments, with strong understanding of software integration and testing, and familiarity with DevSecOps pipelines, CI/CD practices, and cloud-native architectures. Candidates should be comfortable working across disciplines to integrate and test modeling and simulation software in secure environments (both on-prem and cloud-based), collaborating closely with...
LMI
May 18, 2026
Forward Deployed Engineer - Clearance Required
LMI NC
Overview LMI is seeking a skilled Forward Deployed Engineer in the Fort Bragg, North Carolina region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software 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. This position requires an active Secret clearance.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed. Investing in technology and prototypes...
LMI
May 16, 2026
Forward Deployed Engineer - TS/SCI with Polygraph Required
LMI McLean, VA
Overview We’re looking for a Forward Deployed 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.    LIGER sits within LMI’s Chief Technology Office. We’re a small, high-visibility team building AI tools for federal agencies. The culture is more startup than traditional government contractor; we move fast, solve problems in design spikes rather than scheduled reviews, and care more about outcomes than process. That said, we’re building for users who need reliability and trust, so craft and attention to detail matter.   As a Forward Deployed Engineer, you’ll work directly with customers while staying closely connected to the core product team. You’ll have real influence on what...
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
May 16, 2026
Forward Deployed Engineer/Solution Architect - Clearance Required
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software 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. This position requires an active Secret clearance.   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
May 14, 2026
Senior Cloud Engineer - Clearance Desired
LMI Fort Belvoir, VA
Overview The Cloud Engineer will play a critical role in the successful modernization and implementation of a variety of cloud deployments for our US Army Client. This position requires a seasoned professional with deep technical expertise in cloud computing, specifically in designing scalable, secure, and resilient cloud solutions aligned with Army Standards. The Cloud Engineer will lead cloud architecture efforts, ensuring workloads are optimized for performance and future scalability within Army’s environments. The successful candidate will have a deep technical expertise in cloud deployments paired with deep subject matter expertise in how the US Army operates, builds and deploys software.    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...
LMI
May 08, 2026
Forward Deployed Engineer - Clearance Required
LMI Washington, DC
Overview We’re looking for a Forward Deployed 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. This position can be supported in a hybrid/remote capacity as there may be on-site work required by the customer.   This is a customer-facing technical role. You’ll embed with customers for 60-180 days post-sale, configure deployments, build custom integrations, and ship features that solve real problems on the ground. You’ll also run proof-of-concept demonstrations, translate customer needs into working code, and feed insights back to the core product team. If you’re excited about building at the intersection of AI, government missions, and real users, keep reading.  This position...
LMI
May 08, 2026
Cybersecurity Engineer - Clearance Required
LMI Remote, UNAVAILABLE
Overview We’re looking for a Cybersecurity Engineer to support the secure deployment and continuous authorization of LIGER, an enterprise AI platform built for federal missions for a DHS customer. You’ll join a small, high-visibility team and own the security work that lets LIGER reach production, maintaining the ATO posture, driving vulnerability management, and partnering with cyber stakeholders to keep the platform compliant as it evolves. This position requires an active Secret clearance and the ability to obtain a CBP Background Investigation;  U.S. citizenship is required.   This is hands-on cyber engineering, not paper compliance. You’ll work alongside platform engineers, ISSOs, and the security team to harden deployments, validate controls, and resolve findings against real systems. If you want to do federal cybersecurity in an environment that ships fast and treats security as part of the product, keep reading.   LIGER sits within LMI’s...
LMI
May 08, 2026
Cybersecurity Information System Security Officer (ISSO)
LMI Remote, UNAVAILABLE
Overview LMI is seeking a Cybersecurity Information System Security Officer (ISSO) with demonstrated experience managing the security posture of DoD information systems to support a United States Special Operations Command (USSOCOM) mission partner. 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...
LMI
May 06, 2026
Senior Mobile Application Developer
LMI Remote, UNAVAILABLE
Overview We are seeking a highly skilled Senior Mobile Application Developer to help deploy, extend, and integrate LIGER, an enterprise AI platform that connects knowledge, systems, and agentic workflows to accelerate outcomes across federal missions.  In this role, you will work with product managers, designers, backend engineers, and cybersecurity specialists to deliver secure, high-performing mobile applications. The ideal candidate is a hands-on engineer who can own complex features end-to-end while contributing to mobile architecture and engineering standards. 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...
LMI
May 04, 2026
Forward Deployed Engineer
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software 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. This position requires the ability to obtain a security clearance, for which you must be a U.S. citizen.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with innovation and speed....
LMI
Apr 06, 2026
Information Systems Security Engineer (ISSE) - Navy
LMI Mechanicsburg, PA
Overview Location: Mechanicsburg, PA preferred. Tysons, VA, allowed. Partial teleworking allowed.   Overview:   The  Cyber & Sensor Integration Specialist  will promote an integrated, team-oriented culture while delivering strong individual contribution while advocating through action, robust teaming,  coordination  and collaboration .   In this dynamic role, you will  leverage  your technical and cybersecurity subject matter  expertise  to provide strategic guidance and support to LMI clients throughout sales and engagement processes. This  Senior Consultant  level role will be expected to contribute critical thinking, spanning client support, securing planned architecture, troubleshooting, and working with customers to developing use cases and applications of LMI sensor technology. Your  contribution to  proposed cybersecurity responses will help drive implementation roadmaps and ensure alignment with customer security...
LMI
Apr 01, 2026
Product Support SME
LMI Wright-Patterson Air Force Base, OH
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.   This role will support USAF acquisition logistics digital transformation utilizing cutting-edge technologies as well as streamlining and accelerating logistics processes using Agile methodologies....
LMI
Mar 09, 2026
Senior Solutions Architect
LMI Mechanicsburg, PA
Overview We are actively  seeking  a highly skilled Senior Solutions Architect to join our innovative team in developing and deploying a real-time asset tracking solution for the U.S. Department of Defense (DoD). In this role, you will play a critical part in evolving and implementing a scalable platform that incorporates active RFID ( aRFID ) hardware, passive RFID ( pRFID ) hardware, mesh  and IoT devices, modern cloud computing environments, and high-impact software applications. The ideal candidate is a problem-solver with a bias for action and an ability to communicate well with diverse internal and external stakeholders. The ideal candidate also  possesses  deep  expertise  in software development, a strong understanding of RFID or IoT systems, experience dealing with complex DoD cyber accreditation issues, and a passion for driving technological modernization in support of U.S. warfighters. This position is located in Mechanicsburg, PA....
LMI
Feb 11, 2026
Forward Deployed Engineer - Clearance Required
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed Engineer in the Washington, DC region. Successful Forward Deployed Engineers demonstrate competency in integrating advanced technologies into existing business processes, building new functionality, ensuring successful software 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. This position requires an active Secret clearance.   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
Feb 02, 2026
Senior Full-Stack Software Engineer - TS Clearance Required
LMI Colorado Springs, CO
Overview LMI is actively seeking a skilled, experienced Senior Full-Stack Software Engineer to join our team in Colorado Springs, CO. This role involves working directly with USSF and US Government customers, as well as analytical partners, to translate wargame, exercise, training, and analytic needs into responsive, high-performance software applications within LMI’s Modeling, Simulation, Prototyping, Wargaming, & Analysis platform, RAPTR ® .   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
Aug 04, 2025
Cybersecurity Engineer (DHS)
LMI Remote, UNAVAILABLE
Overview LMI is seeking a Cybersecurity Engineer to support our Department of Homeland Security (DHS) market.    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 Acquire and manage all necessary...
LMI
May 08, 2026
Cybersecurity – Information Systems Security Manager (ISSM) - Clearance Required
LMI Remote, UNAVAILABLE
Overview We’re looking for an Information Systems Security Manager (ISSM) to lead the authorization and continuous compliance of LIGER, an enterprise AI platform for our DHS customer. You’ll own the security management posture for the platform: developing and maintaining the authorization package, driving the Risk Management Framework (RMF) lifecycle, and serving as LIGER’s primary security management interface to cyber leadership. This position requires an active Secret clearance and the ability to obtain a CBP Background Investigation;  U.S. citizenship is required.   This is a senior, accountable role. While the LIGER cyber engineering team handles hands-on implementation, you own the strategy, the artifacts, and the relationship with Authorizing Officials and ISSOs. You’ll translate  DHS security policy into actionable program direction, lead assessment and authorization (A&A) activities, and make sure LIGER reaches and maintains its Authority to...
LMI
Apr 15, 2026
Mission Engineering Lead
LMI Remote, UNAVAILABLE
Overview LMI is a mission-driven digital solutions provider accelerating government impact through innovation, speed, and commercial-grade technology. We build scalable platforms and deployable solutions—including next-generation RFID, GPS tagging, and sensor-mesh capabilities—that power mission-critical operations across the DoD.   We are seeking a Mission Engineering Lead to own the hardware strategy, deployment architecture, and technical evolution of our RFID and mesh-networking solution stack to join our NADACS/SPECTR logistics management solution.   This role sits at the intersection of hardware systems engineering, mission deployment design, and hardware-to-software integration, ensuring that readers, tags, handhelds, edge devices, and supporting telemetry systems perform reliably in real-world operational environments. The Mission Engineering Lead translates complex mission requirements into scalable, field-ready system architectures that work...
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