15 senior security engineer jobs found in Remote, UNAVAILABLE

Overview We’re looking for a Cybersecurity Engineer to support the secure deployment and continuous authorization of IronSled, an enterprise Platform as a Service built for federal missions. You’ll join a small, high-visibility team and own the security work that lets IronSled reach production, maintaining the ATO posture, driving vulnerability management, and partnering with cyber stakeholders to keep the platform compliant as it evolves.      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.   IronSled is LMI’s DevSecOps platform that serves as the central hub for all software development projects. IronSled allows internal and external users to set up...

Overview LMI is seeking a Data Engineer to build the pipelines that power Army leadership decisions. You will transform raw data from authoritative Army sources into structured, actionable "Objects" within the Vantage (Palantir Foundry) environment.   Focus: Scaling data pipelines and ontology management within the Army Vantage/Advana ecosystem.   Active Secret clearance required .   Location: Open to Remote. Local preferred at client site in Crystal City VA or Aberdeen MD.   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...

Overview LMI is seeking an AWS Cloud Data Engineer to support a Department of Defense data modernization effort hosted on a DoD-accredited cloud platform in AWS GovCloud. This role sits at the intersection of cloud data engineering and enterprise data architecture. The selected candidate will serve in a hands-on technical role responsible for designing, implementing, and validating a cloud-native data ingestion and persistence pipeline. This is a builder role: the work requires moving from architecture to implementation, producing a validated data path that becomes the repeatable standard for enterprise data consumers. This is not a traditional cloud advisory role. The selected candidate will operate at the intersection of: Cloud data engineering and pipeline implementation in AWS GovCloud DoD authorization environments - ATO, ICA, and security boundary coordination Multi-tenant data platform design and tenant onboarding You will serve as the...

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...

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...

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...

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.   The Opportunity We’re looking for a Senior DevSecOps / Platform Engineer with significant experience in AWS to help us build and support the core infrastructure that powers our Navy...

Overview LMI seeks an experienced Data Engineer 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 Data Engineer is responsible for designing, building, and maintaining data pipelines and data services that enable scientific analysis, analytics, and user engagement activities within the Holistic Health and Fitness Management System (H2FMS). This role focuses on data ingestion, transformation, storage, and accessibility, ensuring that data supporting research, analytics, and decision support is reliable, well-structured, and available for authorized use. The Data Engineer works closely with the Technical Project Manager, data governance specialists, epidemiologists, research psychologists, tactical sports scientists, data scientists, and software teams to translate analytic and research requirements into scalable data solutions under Government...

Overview LMI seeks an experienced AI/ML Engineer (Data Scientist) 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 AI/ML Engineer (Data Scientist) is responsible for developing, validating, and operationalizing analytic models, statistical methods, and machine learning approaches that support readiness assessment, injury-risk analysis, and user engagement insights within the Holistic Health and Fitness Management System (H2FMS). This role focuses on applied analytics and model implementation, not independent analytic strategy or policy-setting. The AI/ML Engineer works closely with the Technical Project Manager, data engineers, data governance specialists, epidemiologists, research psychologists, tactical sports scientists, and software teams to translate Government-directed analytic requirements into reproducible, interpretable, and scalable...

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...

Overview LMI is seeking a Technical Delivery Lead with demonstrated experience leading the execution of complex technical projects 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 strengthen missions and drive lasting...

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 motivated and extremely detail-oriented Junior Python Programmer to support the development of innovative, health-focused software...

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...

Overview We are seeking experienced Real Estate Review Appraisers to serve as the agency’s subject matter experts for appraisal reviews related to right-of-way acquisitions, easements, and partial takings . These positions will ensure appraisal products comply with Federal standards, USPAP, and the Uniform Appraisal Standards for Federal Land Acquisitions (UASFLA) .  The ideal candidates will hold the MAI designation from the Appraisal Institute, , and/or the ARA designation from the American Society of Farm Managers and Rural Appraisers (ASFMRA) , and a Certified General Real Property Appraiser license , with demonstrated experience reviewing complex appraisal assignments for federally funded infrastructure projects. In addition, the candidates will hold a Certified General Appraiser license following standards set by the Appraiser Qualifications Board.   The agency’s increasing workload in right of way acquisition and federally funded...

Overview LMI is   seeking  a highly experienced Technical Lead to support the General Services Administration (GSA) in delivering a unified, web-based  acquisitions system.  This initiative modernizes Governmentwide Indefinite Delivery Vehicle (IDV) contracting by enabling efficient collaboration between the  client   acquisition’s team  and suppliers across the full acquisition lifecycle.   The Technical Lead will serve as the senior technical authority responsible for ensuring  LMI’s  development team adheres to the  client’s  technical approach , leading the solution   development under the Program Manager . This individual must  possess  a comprehensive, in-depth understanding of the system architecture, development  methodology , security posture, and cloud deployment model  supporting the client .   The ideal candidate combines hands-on technical  expertise  with strong leadership capabilities, ensuring secure,...