23 senior security engineer jobs found

Overview LMI is seeking a Senior Data Engineer to support the development of integrated operational information and decision-support capabilities for the U.S. Army. This individual will play a key role in designing and implementing data architectures, ontologies, and integrations that connect information across Army enterprise systems and enable operational applications and AI-enabled workflows.   The ideal candidate is a hands-on engineer with strong data engineering and architecture experience who can work across complex data environments, develop scalable solutions, and collaborate with software engineers and operational stakeholders. This role will focus on establishing the data foundation for operational applications using Palantir Foundry, with opportunities to support conversational AI, workflow automation, and advanced decision-support capabilities.   LMI is a new breed of digital solutions provider dedicated to accelerating government impact with...

Overview Build technology where the mission happens. We are seeking a Senior Forward Deployed Engineer to embed directly with mission users and own the technical solution from mission need through production deployment. This is a hands-on role for an engineer who enjoys solving hard, ambiguous problems—and wants to see the technology they build make a difference in the real world. You will work alongside mission users to understand what is actually happening on the ground, identify opportunities where technology can make a meaningful difference, and turn those insights into working solutions. You’ll integrate advanced technologies—including modern AI/LLM capabilities—into operational workflows, build and deploy new software capabilities, and iterate directly with users until the solution delivers measurable mission impact. This is not a role where you simply receive requirements and hand off code. You will be close to the problem, close to the user,...

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,...

Overview We are seeking a Senior Forward Deployed Engineer to embed directly with mission users and own the technical solution from mission need through production deployment. This is a hands-on role for an engineer who enjoys solving hard, ambiguous problems—and wants to see the technology they build make a difference in the real world. You will work alongside mission users to understand what is actually happening on the ground, identify opportunities where technology can make a meaningful difference, and turn those insights into working solutions. You’ll integrate advanced technologies—including modern AI/LLM capabilities—into operational workflows, build and deploy new software capabilities, and iterate directly with users until the solution delivers measurable mission impact. This is not a role where you simply receive requirements and hand off code. You will be close to the problem, close to the user, and accountable for the outcome. You’ll have the...

Overview LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army acquisition and program operations. This engineer will own data pipelines, models, and ontology within Army Vantage or Palantir Foundry.   This is a senior individual-contributor role for an engineer who can make architectural decisions, build production systems, and raise the technical standard of the team.   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,...

Overview LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army program operations. This engineer will own data pipelines, models, and ontology within Maven or Palantir Foundry.   This is a senior individual-contributor role for an engineer who can make architectural decisions, build production systems, and raise the technical standard of the team.   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...

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 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, homeland, healthcare, and intelligence 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 is seeking an accomplished Chief Engineer to serve as the program's senior technical authority for...

Overview LMI is seeking a Cyber Systems Engineer/AI Governance Lead/Solutions Architect to provide full-time senior technical leadership for Department of Veterans Affairs (VA) modernization initiatives involving enterprise architecture, artificial intelligence, data, automation, cloud, and other emerging technologies. This role combines independent solution-architecture judgment with practical AI and technology-governance leadership so complex solutions are technically  feasible , secure, supportable, responsible, and aligned with VA enterprise constraints.   This position follows a hybrid work model, with an expectation of approximately 25% onsite presence at LMI’s Tysons headquarters or Washington, DC.   The successful candidate will evaluate solution alternatives, integration patterns, data and identity dependencies, supportability, lifecycle risk, and enterprise fit while translating VA and federal governance expectations into usable design...

Overview We are seeking a Senior DevSecOps Engineer to build and improve secure software delivery, release engineering, and deployment platforms. This role will maintain GitLab CI/CD pipelines for TypeScript/JavaScript, Python, and Rust applications across Linux, Windows, and macOS.   The ideal candidate combines strong CI/CD and cloud-native engineering experience with practical application-security expertise. They will partner with engineering, security, and infrastructure teams to make secure, reliable delivery the default throughout the software development lifecycle.   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 We are seeking an Senior Requirements Engineer to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Requirements Engineer will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and...

Overview We are seeking a Dataverse Data Architect  to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Dataverse Data Architect will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...

Overview We are seeking a Data Architect (365)  to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Dataverse Data Architect will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...

Overview LMI is seeking a skilled Forward Deployed Engineer . 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 would be a remote position with up to 25-50% travel. 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...

Overview LMI is seeking a Senior Solution Architect to lead initiatives within our growing US Air Force (USAF) technology portfolio. Location preference is Colorado Springs, CO or Dayton, OH, but remote personnel that are willing to travel will be considered. In this role, you will lead multiple business initiatives related to enterprise data solutions for the USAF. You will lead a team of technologists including data engineers, software architects, developers, and Logistics SMEs to develop next generation data products. You will be responsible for architecting, developing, deploying, and overseeing solutions that enable the USAF integrated sustainment optimization (ISO). This position requires expertise in modeling and simulation, AWS, Azure, DevSecOps, and cloud-native tools, as well as a passion for innovation to support USAF mission objectives. This position requires an active TS/SCI clearance. US Citizenship required.   LMI is a new breed of...

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 seeks an Electronic Warfare & Protection Integrator to support a Department of War (DoW) mission partner by leading technical integration of electronic warfare (EW), protection, and non-kinetic capabilities with autonomous systems, command and control, communications, and supporting mission platforms. The integrator translates mission needs into integration requirements, coordinates electromagnetic compatibility and spectrum considerations, and leads testing and readiness assessments. The ideal candidate combines applied EW experience with systems integration leadership across approved cloud, on-premises, and tactical edge 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 mission-ready AI to federal agencies at commercial speed. Leveraging our mission-ready...

Overview We are seeking an Applied Mission Engineer to join a multidisciplinary team supporting the Department of Homeland Security (DHS) Customs and Border Protection (CBP) Program Management Office (PMO). This role is ideal for engineers who are passionate about applying technical expertise to real-world national security challenges and advancing mission-critical capabilities through research, evaluation, and informed decision-making. This position requires U.S. citizenship and the ability to obtain a CBP Background Investigation (BI) is required; active CBP BI preferred. This position requires 20% travel that may entail remote and rugged areas.   The Applied Engineer will work closely with CBP stakeholders, program managers, and technical experts to assess technologies, guide development efforts, inform program strategies, and enable effective deployment of integrated systems. This includes both field-focused technical assessments and the...

Overview LMI is seeking an Autonomous Systems Integrator with strong DoD networking expertise to support Autonomous Warfare Command staff. The Integrator designs, configures, and troubleshoots the logical networks and secure data connections that link autonomous platforms, control stations, mission software, cloud services, and tactical edge systems. The role translates operational needs into network architectures and integration plans, then works across government and industry teams to deliver reliable end-to-end connectivity and interoperability.   Networking is the primary technical discipline for this position, supported by practical software integration and cloud experience. The emphasis is on routing, virtual networks, segmentation, secure communications, application connectivity, and data exchange across mission environments, rather than primarily administering physical servers, switches, or network appliances. The ideal candidate combines hands-on...

Overview LMI is seeking Health Informatics Analysts/Clinical Workflow Analysts for two full-time openings supporting Department of Veterans Affairs (VA) modernization initiatives. These roles provide hands-on clinical workflow research and implementation support, working directly with clinicians and operational teams to document current-state workflows, identify burden and failure points, support measurement, and observe pilots in real operating conditions.     This position follows a hybrid work model, with an expectation of approximately 25% onsite presence at LMI’s Tysons headquarters or Washington, DC.   The Health Informatics Analyst/Clinical Workflow Analyst is a field-oriented role for someone who can learn how care is actually delivered and represent that reality accurately to designers, analysts, and technical teams. The analyst should be comfortable observing work, asking detailed questions, documenting exceptions, and...