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400 information systems security engineer jobs found

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Security Clearance United States information systems security engineer
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LMI
Jul 21, 2026
Cybersecurity Information System Security Engineer - Clearance Required
LMI Fort Belvoir, VA
Overview LMI is seeking a skilled Senior Cybersecurity Information Systems Security Engineer (ISSE) to support US Army  Capability Program Executive (CPE) Gound   office  at Ft. Belvoir, Virginia. 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...
Lockheed Martin
Jul 21, 2026
F-16 Avionics Intermediate Shop Field Service Engineer Staff (Jordan)
Lockheed Martin Greenville, SC
Description: Join the Lockheed Martin Aeronautics Field Sustainment (AFS) team as an In-Country F-16 Avionics Intermediate Shop (AIS) Field Service Engineer (FSE)/ Contractor Engineering and Technical Services (CETS). This position is located in Muafaq Salti Air Base, Jordan. Note: This position is located in Jordan and is an accompanied assignment - employee +1. This position will provide on-site advice, liaison, and informal training in the installation, operation and maintenance of equipment and systems related to F-16 on and off the aircraft. The objective of the FSE is to elevate the technical skill and abilities of the personnel responsible for the operation and maintenance of F-16 aircraft and associated equipment/systems to a level of self-sufficiency. What You Will Be Doing Specific tasks include but are not limited to the following: • Provide on-site/on-equipment informal unit training to the component level on installation, maintenance and operating...
Lockheed Martin
Jul 21, 2026
Systems Engineer - Requirements and Verification Sr.
Lockheed Martin Littleton, CO
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jul 16, 2026
Cyber Systems Security Engineer
Lockheed Martin Liverpool, NY
Description: WHAT WE’RE DOING At the dawn of a new age, Lockheed Martin is a pioneer, partner, innovator and builder. Our amazing workforce are on a mission to make a difference in the world. Our World-class team leverages unique skills and experiences to create, design and build solutions to some of the worlds’ hardest engineering problems. Our culture encourages employees to dream big, perform with excellence and create incredible products. We provide the resources, inspiration and focus and if you have the passion and courage to dream big, we want to build a better tomorrow with you. WHO WE ARE We are leveraging emerging, digitally-enabled capabilities to lower cost, speed up development time and create innovative solutions to best serve our customers and stakeholders. We’re bringing the 4th Industrial Revolution to every role in the company. Are you ready to invent the future? Lockheed Martin Rotary & Mission Systems is on a journey of digital transformation as we...
Lockheed Martin
Jul 16, 2026
Senior Cyber Software Engineer
Lockheed Martin Offutt Air Force Base, NE
Description: WHAT WE'RE DOING 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. Your Mission is Ours. THE WORK Lockheed Martin has been embedded with the USSTRATCOM Nuclear Mission for 30+ years and has a track record of bringing innovative mission software solutions to this domain. Lockheed Martin Rotary & Mission...
Lockheed Martin
Jul 15, 2026
Senior Aircraft Field Support Engineer, F-35 - Level 3
Lockheed Martin Fallon, NV
Description: Join the Lockheed Martin Aeronautics company as an Aircraft Field Service Engineer (FSE) on our Aeronautics Field Sustainment (AFS) team! This position will support the F-35 Program at our NAS Fallon, Nevada location. What You Will Be Doing: As a Nose to Tail (NTT) FSE, the preferred candidate will be a subject Matter Expert(SME) in Supportable Low Observable (SLO)/Structures. It is desired the individual also be an emerging authority in APG/Vehicle Systems (VS) and Avionics/Mission Systems (MS), with the skill set to accomplish troubleshooting and analysis of VS, MS, or SLO. The candidate will act as part of the Lockheed Martin Aeronautics Field Sustainment Team's technical interface to the on-site Customer (both Operations and maintenance) in resolving issues arising from maintenance and modification activities for all matters dealing with the F-35 aircraft. Responsibilities include: •Accomplish troubleshooting and analysis of difficulties experienced in the...
Lockheed Martin
Jul 15, 2026
DevOps Engineer
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing Our Team, the Command and Control, Battle Management and Communications (C2BMC) Global team, is engineering, developing and integrating new capability for the Missile Defense System that currently protects the United States and its allies. The team consists of many small agile teams that work together in a fast-paced and dynamic environment. Our team is also responsible for tasks such as Sensor/Weapon Integration, Algorithm Development, User Interface Development, Automated Testing, Cyber Security and enhancing other critical, leading-edge missile defense technologies. The Work Lockheed Martin Rotary & Mission Systems is seeking a Full-time Career Level Dev Sec Ops Engineer. We are seeking a highly skilled and motivated Cloud DevOPS Engineer to join our team. In this role, you will be responsible for designing, implementing, and maintaining our on-prem hyperconverged cloud infrastructure, ensuring the smooth operation of our applications...
Lockheed Martin
Jul 15, 2026
Full Stack Engineer Stf - Skunk Works© - Level 4
Lockheed Martin Fort Worth, TX
Description: We are Lockheed Martin You will be the Full Stack Engineer Stf - Skunk Works© - Level 4 for the Aeronautics Ground Systems team which is responsible for delivering secure, high‑performance cloud and hybrid platforms that enable the nation’s most ambitious aeronautical missions. What You Will Be Doing As the Full Stack Engineer Stf - Skunk Works© - Level 4 you will be responsible for building resilient infrastructure, turning code into launch‑ready pipelines, and ensuring DoD‑mandated security at every layer. - Design, develop, and maintain secure CI/CD pipelines for platform deployment (RKE2, Rancher, etc.) - Implement Infrastructure‑as‑Code (IaC) using Terraform, Pulumi, CloudFormation, or PowerShell to automate and standardize environments - Enforce security standards across all code and infrastructure artifacts, ensuring continuous compliance - Manage multi‑network, hybrid‑cloud environments spanning AWS, Azure, and on‑premise resources - Support...
Lockheed Martin
Jul 14, 2026
Algorithm 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 Integration Engineer, Stf - GMD Weapons Systems (GWS)
Lockheed Martin Huntsville, AL
Description: What We're Doing Become a part of something IMPACT-ful! Ground Missile Defense (GMD) is the heart of the Missile Defense System and a key element of our nation’s defense against ballistic missile attacks. The GMD Weapon System (GWS) processes data from multiple sensors to identify and characterize the inbound ballistic missile threat, plans the best defensive solution, and launches the intercepting missiles to negate the threat. The Work This role is for a DevSecOps Software Engineer to support the IFICS Data Terminal (IDT) product team on the Ground Based Mid-course Defense (GMD) Weapon System (GWS) program. In this role, you will drive unification and automation of processes to enable development of software capability across the entire GWS system. You will be instrumental in combining code, application maintenance, and application management. All these tasks rely on understanding not only development life cycles, but DevSecOps culture, and its...
Lockheed Martin
Jul 14, 2026
TS/SCI Software Engineer SWE1
Lockheed Martin MD
Description: THE WORK This role fosters collaboration with other engineers for the development of advanced solutions and agile development projects in support of a high-visibility mission. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting important Missions. WHO YOU ARE Experience as a Software Engineer with knowledge assisting in the design, development, testing, and debugging of software solutions, with a focus on Linux operating systems. Strong Familiarity with programming languages such as Java. WHY JOIN US Providing ongoing training, mentorship, and...
Lockheed Martin
Jul 14, 2026
Algorithm Engineer Staff - 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 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 14, 2026
Project Engineer - Configuration Data Management
Lockheed Martin Littleton, CO
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. For over 70 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...
Lockheed Martin
Jul 14, 2026
Network Engineer III (Secret Clearance)
Lockheed Martin Colorado Springs, CO
Description: What We’re Doing At Lockheed Martin, our Command and Control, Battle Management and Communications (C2BMC) National Team (C2NT) is pioneering the development and integration of cutting-edge technologies to advance the Missile Defense System, safeguarding the United States and its allies. Our collaborative and agile organization operates in a fast-paced environment, driving innovation through tasks such as sensor/weapon integration, algorithm development, user interface development, automated testing, cyber security, enterprise/infrastructure services, and enhancing leading-edge missile defense technologies. The Work You will support the implementation, maintenance, and troubleshooting of Lockheed Martin’s enterprise network infrastructure for the C2BMC program. Your day‑to‑day duties include configuring and maintaining routers, switches, and firewalls (Cisco, Juniper, Fortinet, Palo Alto), monitoring LAN/WAN performance, and resolving connectivity, latency, and...
Lockheed Martin
Jul 13, 2026
TS/SCI Software Engineer SWE1
Lockheed Martin MD
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced solutions and agile development projects in support of a high-visibility mission. This position involves providing technical leadership and guidance on data analytics and agile development projects, as well as collaborating with cross-functional teams to drive mission objectives. WHO WE ARE At Lockheed Martin, we're a leading aerospace and defense company that's shaping the future of cyber and intelligence. We're committed to innovating at the Edge: Harnessing the latest advancements in cyber, artificial intelligence, and machine learning to stay ahead of emerging threats and opportunities. This Program is seeking a full stack software engineer to develop, maintain and enhance complex and diverse software systems supporting Analytic Missions. WHO YOU ARE Experience as a Software Engineer with knowledge assisting in the design, development,...
Lockheed Martin
Jul 13, 2026
Software Engineer Sr
Lockheed Martin Liverpool, NY
Description: What We're Doing Lockheed Martin is shaping the future of defense through cutting edge radar and missile defense technologies, and we want you to help write the next chapter. As the premier developer of active electronically scanned array (AESA) radars and integrated air and missile defense solutions for the U.S. military, our allies, and more than 45 nations worldwide, we deliver world class situational awareness, early warning, and kill assessment capabilities in the most demanding environments. Join a global team of 35 000 engineers, software developers, and cyber experts who turn complex challenges into reliable, next generation systems that keep warfighters ahead of emerging threats. Your talent will power everything from space domain awareness to ground based radar testbeds, ensuring the safety of today’s forces and the security of tomorrow’s world. The Work The Lockheed Martin Rotary & Mission Systems Software Engineer will have the opportunity to...
Lockheed Martin
Jul 13, 2026
Cyber System Security Engineer
Lockheed Martin Herndon, VA
Description: The coolest jobs on this planet... or any other... are with Lockheed Martin Space. At the dawn of a new space age, Lockheed Martin Space is a pioneer, partner, innovator, and builder. Our amazing people are on a mission to make a difference in the world. Every single day, we use our unique skills and experiences to craft, design, and build solutions to some of the world's hardest engineering problems. Our culture inspires our employees to dream big; perform with excellence; and build incredible products. We provide the resources, the support, and the focus. You bring the passion and courage to envision limitless possibilities. Together, we'll build a better tomorrow. Are you ready to further your career in Cyber Security by working for one of the top companies in the world? The Kayenne program is seeking a Cyber Security Engineer technical lead for the Program’s Cyber Team. This team is responsible for applying an interdisciplinary, collaborative approach to plan,...
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