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163 platform engineer jobs found

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LMI
Jul 29, 2026
Senior DevSecOps / Platform Engineer - Clearance Required
LMI Remote, UNAVAILABLE
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...
SAIC
Jun 08, 2026
Senior Apple Platform Engineer
SAIC VA
Description SAIC is seeking a Sr. Apple Platform Engineer to support our DCSA/OneIT program out of Quantico, VA. Introduction Make a difference for national security by joining a team of dedicated IT professionals who will sustain, modernize and transform the enterprise IT capabilities of the Defense Counterintelligence and Security Agency (DCSA). The Air Force Space and Intel Business Group of SAIC is seeking a Senior Apple Platform Engineer to support a transformational infrastructure program for DCSA. SAIC is proud to be supporting DCSA in safeguarding our nation's information. DCSA is the designated oversight authority on the accreditation of classified facilities, information systems, and the insider threat program. This involves security oversight of more than 10,000 companies and approximately 13,000 facilities involved in classified work throughout the DoD and 31 Federal agencies. Specifically, on the DCSA One IT program, SAIC will provide an enterprise...
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: +...
SAIC
Jul 27, 2026
Systems Engineer - Platform
SAIC VA
Description SAIC is seeking a skilled and motivated Systems Engineer - Platform to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. The primary focus of this role is the design, implementation, operation, and maintenance of enterprise infrastructure and platform services to ensure the seamless performance, scalability, security, and reliability of mission-critical IT systems. In addition to traditional platform services, we are seeking a systems engineer with specific expertise in Kubernetes and containerization technologies to support modernization efforts. The successful candidate will leverage their knowledge of containerized architectures to improve platform scalability, streamline deployments, and enhance system resiliency. This role requires collaboration within a complex enterprise environment of virtualized systems, cloud platforms, Windows infrastructure, and networking services to deliver secure and...
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
Apr 01, 2026
Platform Engineer - Clearance Required
LMI Tysons, VA
Overview   LMI, a trusted government contractor with decades of experience delivering cutting-edge solutions, is seeking a driven and innovative Platform Engineer to support the deployment and maintenance of IronSled, a DevSecOps product tailored for government-authorized environments. IronSled accelerates software development and deployment in highly regulated environments by meeting stringent federal security requirements. The product streamlines accreditation processes for secure infrastructure within authorized government networks on cloud or on-premise systems. This position requires and active Secret clearance. This position can be performed remotely or hybrid (with occasional on-site work in government-authorized 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...
Lockheed Martin
Jul 30, 2026
Software Engineer Sr
Lockheed Martin Herndon, VA
Description: WHO WE ARE Lockheed Martin is a global leader in aerospace, defense, and technology solutions, dedicated to pushing the boundaries of innovation and shaping the future of the industry. With a rich legacy of excellence and a commitment to delivering advanced capabilities to our customers, we are proud to be at the forefront of cutting-edge technology and engineering. LM SPACE: WHAT WE'RE DOING 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. THE WORK Lockheed Martin's Paragon Program is seeking a talented level 3 Software Engineer with a TS/SCI clearance to work from either our King of Prussia, PA or Herndon, VA location(s) . This is an EARLY-MID CAREER (level 3) ROLE where candidates typically require 3+ years of experience and...
SAIC
Jul 29, 2026
Power Platform Developer
SAIC VA
Description SAIC is seeking a Power Platform Developer to join our team in Fort Belvoir, Virginia. Responsibilities: The Digital Solutions Engineer supports the development, enhancement, and sustainment of digital solutions across Microsoft platforms, with base SharePoint Knowledge Management functions and a primary emphasis on Power Platform (Power Apps, Power Automate, Power BI), and premium capabilities such as Environments, Model-Driven Apps, Dataverse, and custom or premium connectors. This role assists in designing, building, troubleshooting, and maintaining enterprise-grade applications and automations that enable mission-focused efficiency within the Digital Solutions Office, INSCOM, U.S. Army. Applies solid technical expertise in Microsoft cloud-based business solutions and demonstrates growing knowledge of additional related disciplines, including data architecture, workflow automation, solution lifecycle management, and governance. Receives...
LMI
Jul 29, 2026
Forward Deployed Engineer - Clearance Required
LMI Tampa, FL
Overview LMI is seeking a skilled Forward Deployed Engineer in the Tampa, Florida 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 Top 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...
LMI
Jul 28, 2026
Senior Full Stack Developer
LMI Remote, UNAVAILABLE
Overview LMI is seeking a Senior Full Stack Engineer to help architect, build, and extend IronSled, a Platform as a Service designed to host applications in secure federal environments. You will be a senior technical contributor on a small, cross-functional product team responsible for evolving the platform and establishing the engineering practices, architecture, and technical foundation needed for its long-term success.   This is not a role focused on maintaining a backlog or implementing narrowly defined tickets. You will own complex capabilities from concept through production, make consequential technical decisions, identify and resolve architectural risks, and help guide less-experienced engineers. The successful candidate will be comfortable operating with significant autonomy in an environment where the roadmap and technical approach are still being formed.   This position requires the ability to obtain a security clearance. U.S. citizenship is...
SAIC
Jul 27, 2026
Systems Administrator II - Desktop Support
SAIC VA
Description SAIC is seeking a highly motivated and skilled Senior Systems Administrator II - Desktop Support to join our MAJESTIC Joint Program Office (JPO) Team in support of an on-premises enterprise IT environment. This individual will provide desktop maintenance of mission-critical systems and infrastructure, including Windows Servers, Red Hat Enterprise Linux (RHEL), and Nutanix hyper-converged platform solutions. The successful candidate will serve as a member of a dynamic team responsible for ensuring the performance, reliability, and security of a large-scale enterprise IT environment. The Systems Administrator II - Desktop Support will be responsible for desktop administration, patch management, system troubleshooting, and the implementation of new capabilities to meet operational and mission requirements. This role requires direct on-site support in the Springfield, VA location. Key Responsibilities: Perform day-to-day system...
SAIC
Jul 27, 2026
Cybersecurity Lead - ISSM
SAIC VA
Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...
SAIC
Jul 27, 2026
Cybersecurity Lead - ISSM
SAIC CA
Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...
SAIC
Jul 27, 2026
Cybersecurity Engineer - Cloud
SAIC VA
Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...
SAIC
Jul 27, 2026
Cybersecurity Engineer - Cloud
SAIC CA
Description SAIC is a trusted leader in delivering advanced command and control capabilities across the Department of the Air Force, bringing deep expertise in how cutting edge technologies are engineered, secured, and delivered to the fight. At the center of this mission, the Common Mission Control Center (CMCC) unifies data, sensors, mission applications, cloud based services, and emerging AI enabled automation to give warfighters a decisive edge-turning complex, multidomain information into fast, clear, and actionable decisions in the moments that matter most. The CMCC System Facilitator contract positions SAIC to accelerate how new capabilities are integrated, tested, secured, and transitioned into operational use, working side by side with operators, engineers, Capability Providers, and government teams to ensure every delivery strengthens mission readiness. This effort offers the chance to directly shape how the Air Force sees, decides, and acts across all domains-making a...
SAIC
Jul 27, 2026
Systems Engineer SME
SAIC IL
Description SAIC is seeking a Systems Engineer for the Cloud team to support an IT Service Management effort for USTRANSCOM located at Scott Air Force Base (AFB) in Illinois. The USTC Managed Information Technology Services (MITS) contract is intended to provide strategic, technical, and program management guidance and support services to facilitate the operations and modernization of the combatant command's infrastructure, systems, and applications. This support will be provided to the USTC Command, Control, Communications & Cyber Systems Directorate (TCJ6). The successful candidate initiates, supervises, and/or develops requirements from a project's inception to conclusion for complex to extremely complex programs; Provides strategic advice, technical guidance and expertise to program and project staff; Provides detailed analysis, evaluation and recommendations for improvements, optimization development, and/or maintenance efforts for client-specific or mission critical...
LMI
Jul 23, 2026
Full Stack Software Engineer - Clearance Required
LMI Remote, UNAVAILABLE
Overview We're looking for a Full Stack Tech   Software Engineer   with expertise across the frontend (React, TypeScript, CSS, HTML) and backend ( Node.js, Express.js,   OpenAPI , relational databases) stack to   join   our app team.   Working closely with product owners, designers, and fellow engineers, you'll iterate quickly on features, improve performance, and build out a secure, scalable platform for real-world military and government users. This role   focuses on   hands-on coding   and software design , spanning everything from UI workflows to   API development to database architecture . This role requires an active Secret security 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....
LMI
Jul 23, 2026
Full Stack Software Engineer (Tech Lead) - Clearance Required
LMI Remote, UNAVAILABLE
Overview We're looking for a Full Stack Tech Lead with deep expertise across the frontend (React, TypeScript, CSS, HTML) and backend ( Node.js, Express.js,   OpenAPI , relational databases) stack to lead our app team.   You'll set technical direction, mentor engineers, and drive systems design decisions across the platform. Working closely with product owners, designers, and fellow engineers, you'll iterate quickly on features, improve performance, and build out a secure, scalable platform for real-world military and government users.   This role blends technical leadership, architectural ownership, and hands-on coding, spanning everything from UI workflows to distributed backend services to deployment automation. This role requires an active Secret security 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,...
Lockheed Martin
Jul 22, 2026
Cyber Sys Secur Engr Sr
Lockheed Martin Marietta, GA
Description: Lockheed Martin Aeronautics Air Mobility and Maritime Missions in Marietta, GA is seeking a full-time Cyber Systems Security Engineer. The System Security Engineer translates security policies and architectural intent into concrete, verifiable system, subsystem, and component requirements. Leveraging a solid systems engineering foundation, the SSE supports derivation, allocation, and implementation of security functional and assurance requirements across the system, subsystem, and component levels. This role participates in threat modeling and vulnerability analysis activities, designs mitigation strategies, and authors verification and validation test procedures associated with RMF Artifacts. By conducting security test and evaluation, this position will confirm that the system meets its security objectives and complies with applicable RMF policies and standards. The engineer also creates and maintains security views within system models and collaborates closely...
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