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93 platform engineer jobs found

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Security Clearance United States platform engineer
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LMI
Nov 04, 2026
Full time
Senior Platform Engineer - w/active Top Secret clearance
LMI Washington, DC
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 experienced Senior Platform Engineer to lead the design and integration of hybrid cloud...
Lockheed Martin
May 27, 2026
Cloud Platform Engineer - Level 2 (Top Secret)
Lockheed Martin King of Prussia, PA
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. Within Lockheed Martin Space, the Victor Program Area is looking for a highly...
Lockheed Martin
Jul 21, 2026
Cloud Platform Engineer Level III (TS/SCI w/ Poly)
Lockheed Martin King of Prussia, PA
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. Are you a Senior DevSecOps Engineer for something different? In this role you will: +...
LMI
May 16, 2026
Sr. Platform Engineer
LMI Washington, DC
Overview LMI, a trusted government contractor with decades of experience delivering cutting-edge solutions, is seeking a driven and innovative Platform Engineer to help build and extend IronGate, an ETL solution focused on moving data from commercial environments into secure environments. You’ll be an initial member of a small, cross-functional team maintaining this product on contract. This position requires the ability to obtain a clearance;  U.S. citizenship is required. This role requires quarterly travel for in person team planning and collaboration events.   This isn’t a maintain-the-backlog role. You’ll work across the stack, own features end-to-end, and help shape how this solution is built for long term success for our clients.   About This Team IronGate sits within LMI’s Chief Technology Office. We’re a small, high-visibility team building an ETL for federal agencies. The culture is more startup than traditional government contractor;...
LMI
Oct 21, 2026
Full time
Cybersecurity Information System Security Engineer - Clearance Required
LMI Detroit, MI
Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army  Portfolio Acquisition Executive (PAE) Maneuver Ground office in Detroit, MI . The ISSE will drive efforts that support software and hardware cybersecurity Risk Management Framework (RMF) Authority to Operate (ATO).     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...
LMI
Oct 16, 2026
Senior Security & Compliance Engineer
LMI Arlington, VA
Overview LMI is seeking a Staff Security & Compliance Engineer to secure a common platform for onboarding, deploying, and hosting third-party applications in support of HQDA G-4. This engineer will support the platform’s authorization, maintain its security controls, and assess whether applications meet prescribed controls and hosting standards before deployment and during operations.   This is a hands-on role for an engineer who can turn security requirements into automated checks, clear findings, and actionable evidence for government decisions.   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...
LMI
Oct 16, 2026
Senior Software Engineer
LMI Arlington, VA
Overview LMI is seeking a Senior Software Engineer to build user-facing applications supporting HQDA G-4. This engineer will own application capabilities from user need through production delivery as containerized applications deployed to a Kubernetes cluster.   This is a hands-on role for an engineer who can work across the stack, make architectural decisions, and build software directly with Army users and product teams.   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,...
LMI
Oct 15, 2026
Staff Data Engineer - Clearance Required
LMI Arlington, VA
Overview LMI is seeking a Staff Data Engineer to build authoritative data products supporting Army logistics operations. This engineer will own the development and sustainment of data pipelines, models, and ontology within 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,...
LMI
Oct 09, 2026
Full time
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
Oct 09, 2026
Full time
Forward Deployed Engineer - Clearance Required
LMI Arlington, VA
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...
LMI
Oct 09, 2026
Full time
Data Engineer, Mission Data Products - Clearance Required
LMI Fort Belvoir, VA
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,...
LMI
Oct 08, 2026
Full time
Data Engineer, Mission Data Products - Clearance Required
LMI NC
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...
LMI
Oct 05, 2026
Data Engineer - Clearance Required
LMI Tysons, VA
Overview LMI is seeking a Data Engineer to develop, test, maintain, and augment data pipelines and database setups in support of a supply chain risk program for the Department of Defense. 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 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
Sep 24, 2026
Full time
Senior DevSecOps Engineer
LMI Colorado Springs, CO
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...
LMI
Sep 21, 2026
M&S Software Developer
LMI Washington, DC
Overview LMI is seeking a skilled Forward Deployed M&S 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 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 is a hybrid (onsite/remote) role. This position requires the ability to obtain a CBP BI clearance. You must be a U.S. citizen. LMI is a new breed of digital solutions...
DLH
Sep 10, 2026
DevSecOps Engineer (Job 1459)
DLH Bethesda, MD
About Us DLH delivers improved health and national security readiness solutions for federal programs through science research and development, systems engineering and integration, and digital transformation. Our experts in public health, performance evaluation, and health operations solve the complex problems faced by civilian and military customers alike by leveraging advanced tools – including digital transformation, artificial intelligence, data analytics, cloud enablement, modeling, and simulation, and more. DLH is dedicated to the idea that “Your Mission is Our Passion” and brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview DLH is seeking a DevSecOps Engineer to join our team.  The DevSecOps Engineer will be responsible for designing and implementing cybersecurity solutions across enterprise cloud, on-premise, and hybrid...
Lockheed Martin
Jul 14, 2026
Software Engineer Senior - Clearance Required
Lockheed Martin Huntsville, AL
Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a software engineer that...
Lockheed Martin
Jul 14, 2026
Software Engineer - Clearance Required
Lockheed Martin Huntsville, AL
Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a software engineer that...
Lockheed Martin
Jul 14, 2026
Software Engineer Senior - Clearance Required
Lockheed Martin Huntsville, AL
Description: Who We Are At Lockheed Martin, we believe that by applying the highest standards of business ethics and forward-thinking, everything is within our reach – and yours as a Lockheed Martin employee. We value your unique skills and expertise, and we aim to give back continuously by offering a wide variety of benefits and amenities to help our employees live flexible, balanced, and fulfilling lives at, and outside of, work. What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Regional team, is constantly engineering, developing and integrating new capabilities for the U.S. Missile Defense System. protecting both the United States and its allies. This large, fast paced team, is composed of many small agile teams working together dynamic environment with a common mission to develop and deploy leading-edge missile defense technologies. The Work The C2BMC-Regional Application Agile Release Train is seeking a software engineer that...
Lockheed Martin
Jul 10, 2026
Systems Engineer - Clearance Required
Lockheed Martin Littleton, CO
Description: Who We Are: By bringing together people that use their passion for purposeful innovation, at Lockheed Martin we keep people safe and solve the world's most complex challenges. Our people are some of the greatest minds in the industry and truly make Lockheed Martin a great place to work. With our employees as our priority, we provide diverse career opportunities designed to propel development and boost agility. Our flexible schedules, competitive pay, and comprehensive benefits enable our employees to live a healthy, fulfilling life at and outside of work.  At Lockheed Martin, we place an emphasis on empowering our employees by fostering innovation, integrity, and exemplifying the epitome of corporate responsibility. This is a place for engineers, scientists, and problem-solvers who are ready to engage deeply, think critically, and build with purpose. You will not just launch a career. You will be part of something bigger. This is where the best are built. What...
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