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33 information system security engineer jobs found

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Lockheed Martin
May 23, 2026
We're Hiring - Software Engineers (Java/C++/Python) TS/SCI w/Poly
Lockheed Martin MD
Description: At Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, we are driven by innovation and integrity. 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. Lockheed Martin values your skills, training, and education. Come and experience your future! These are some of the exciting cleared Engineering roles available: - Software Developer - System Engineer - Software Engineers - Front End/ Back End Developer - Software Architect - Cloud Architect - Data Engineer - Cyber Engineer - Data Architect - Machine Learning Engineer - Integration & Test Engineer - Offensive/ Defensive Cyber & More We offer: - Comprehensive benefits package that includes health, dental, vision, etc. starting Day 1 - Lucrative 401k program - Work/ Life Balance with a generous PTO program By applying to this job, you are expressing interest in this position...
Lockheed Martin
May 23, 2026
Cyber Software Engineer - Early Career
Lockheed Martin MD
Description: 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. Lockheed Martin Rotary...
Lockheed Martin
May 23, 2026
Senior DevOps Engineer - Clearance Required
Lockheed Martin MD
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Sr DevOps Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Sr DevOps Engineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions customer. The services enable the...
U. S. National Security Agency
May 20, 2026
Hardware/Software Analysis & Design Engineer - Mid to Experienced Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: With the ever-accelerating technological advances and growing system complexity, NSA needs Hardware/Software Engineers to design, develop, construct and evaluate electronic hardware and software processing components. These components are typically subsystems of communication, collection, processing or analysis systems. Hardware/Software Engineers utilize electrical, computer, mechanical, and materials engineering knowledge and skills to design, assemble, test, analyze and reverse engineer electronics hardware in support of the NSA mission. The National Security Agency (NSA) currently has opportunities for two types of Hardware/Software Engineers positions: Hardware/Software Design Engineers and Hardware/Software Analysis Engineers. 1. HARDWARE/SOFTWARE DESIGN ENGINEERS are hired into positions supporting a broad range of specialized skills including Computer Engineering, Computer Programming, Computer Software Engineering, Electrical Engineering, and...
U. S. National Security Agency
May 20, 2026
Computer Science & Engineering Professionals - Mid to Expert Level (Maryland)
U. S. National Security Agency Fort Meade, MD
Responsibilities: The National Security Agency employs a talented workforce of world class engineers, researchers, programmers, and developers that play a critical role in protecting our nation's security every day. The NSA is seeking individuals with Computer Science and Engineering experience in areas such as software engineering, systems engineering, information technology infrastructure, high performance computing, architectures, computer security, and networking to design and develop advanced tools, techniques, and systems in support of our mission. Applicants to this advertisement will be considered against all available positions for the following Work Roles: - Capabilities Development Specialist Develop custom, high-priority, offensive and defensive hardware and software capabilities targeting the hardest-to-reach adversarial networks in the world. - Computer Systems Architect Use commercial and government developed hardware, software, networking, and security...
Lockheed Martin
May 12, 2026
Windows & Linux Systems Administrator Staff
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG System Administrator is a senior level role that blends enterprise system administration (Linux & Windows) with full cycle network engineering, including design, deployment, and...
Lockheed Martin
May 08, 2026
Software Developer Cyber SWE - Early Career Engineer
Lockheed Martin MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The Software Engineer develops, maintains, and enhances complex and diverse software systems (e.g., processing-intensive analytics, novel algorithm development, manipulation of extremely large...
Lockheed Martin
May 01, 2026
Network Engineer / TS/SCI Poly SP / Onsite: Hanover, MD
Lockheed Martin MD
Description: Our employees are the core of everything we do, and they are helping the future arrive. As a leading technology innovation company, our team of over 100,000 people works with partners around the world to bring proven performance to our customers’ toughest challenges. Headquartered in Bethesda, MD, Lockheed Martin has employees based in all 50 states and more than 570 facilities that span 70 countries. This Enterprise Operations (EO) position supports Lockheed Martin Rotary and Mission Systems (RMS). The selected candidate will be responsible for upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, phones, networking, and storage), as well as continuity of operations. We are seeking a Network Engineer/System Administrator team member to join our team supporting the Hanover and Annapolis Junction. In this fast-paced environment, you'll draw on your education and experience as well as the resources of...
Lockheed Martin
Apr 24, 2026
Cyber System Engineer Architect
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! code-extrefer This position may be eligible for up to $25K sign on bonus for external hires! WHAT WE'RE DOING: / Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The Cyber System Engineer Architect is in an extremely customer facing role leading multi...
Lockheed Martin
Apr 24, 2026
Sr Capabilities Development Engineer - Clearance Required
Lockheed Martin MD
Description: This position is participating in our External Referral Program . If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a payment! code-extrefer Sr. Capabilities Development Engineer - Clearance Required WHAT WE'RE DOING • Join Lockheed Martin Rotary and Mission Systems, Cyber & Intelligence, where we foster innovation and integrity. • As a Sr. Capabilities Development Engineer, you'll be empowered to create "new realities" and pioneer solutions that break boundaries. • Benefit from the support of a global technology leader that values innovative thinking and provides the resources to turn ideas into reality. • Build on our proud legacy of achievement and contribute to shaping the future of aerospace, defense, and security solutions. THE WORK TKO provides systems engineering, software development, data science and cloud development and engineering services to the Cyber Infrastructure Solutions...
Lockheed Martin
Apr 22, 2026
AI Full Stack Engineer (Info Retrieval)
Lockheed Martin Bethesda, MD
Description: Join Lockheed Martin’s digital transformation journey as we accelerate change by responsibly embracing AI and OneLM Mission-Driven Transformation. The Advanced Solutions team within the Data & AI Enablement Org is seeking an AI/ML engineer to support the AI Strategy Acceleration portfolio. Teams within the portfolio focus on standardized and accelerated agentic development and ontology generation that enables semantic data discovery, reasoning, and information retrieval. The AI Strategy Acceleration Portfolio provides solutions and capabilities that underpin all AI solutions within the Advanced Solutions Division. In addition to tackling development work the team will help facilitate training and the exploration of cutting-edge technologies. We are committed to fostering a culture of innovation, and we're looking for an individual who shares our passion for using technology to drive positive change. What You Will Be Doing: In this role, you will work closely...
Lockheed Martin
Apr 15, 2026
Software Engineer with Poly SR SWE2
Lockheed Martin MD
Description: THE WORK This senior role fosters collaboration with other senior engineers for the development of advanced data analytics 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. This Program has a robust process to ensure quality of products. The process includes DAT,...
Lockheed Martin
Apr 14, 2026
Cyber SWE - Python / Antenna
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! WHAT WE'RE DOING: Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK: The GG Cyber Software Engineer (SWE) - Python - Antenna Collections, you'll lead multi faceted critical system development project, deployment and evolution of management and control (M&C)...
Lockheed Martin
Apr 09, 2026
Software Engineer - Senior Level
Lockheed Martin MD
Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK As a Software Engineer - Senior Level you will be responsible for: • Developing, maintaining, and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel...
Lockheed Martin
Apr 09, 2026
Software Engineer - Mid Level
Lockheed Martin MD
Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK As a Software Engineer - Mid Level you will be responsible for: • Developing, maintaining, and enhancing complex and diverse software systems (e.g., processing-intensive analytics, novel...
Lockheed Martin
Apr 08, 2026
Cyber Software Engineer Senior Staff – C++
Lockheed Martin Fort Meade, MD
Description: This position is participating in our External Referral Program. If you know somebody who may be a fit, click here to submit a referral. If your referral is hired, you'll receive a $3000 payment! This position may be eligible for a $25K sign on bonus for external hires! Cyber Software Engineer Sr. Stf - C++ WHAT WE’RE DOING Lockheed Martin, Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the evolving threat of cyber warfare. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK The GG C++ SWE is in an extremely customer facing role leading multi faceted...
Lockheed Martin
Apr 07, 2026
RF Software Engineer
Lockheed Martin MD
Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. Cyber | Lockheed Martin WHO WE ARE We're revolutionizing the world of cyber with our cutting-edge program! As a key player on our team, you'll have the opportunity to contribute to the entire lifecycle of...
General Dynamics Mission Systems, Inc
Apr 06, 2026
Network Design Engineer
General Dynamics Mission Systems, Inc MD
Basic Qualifications Requires a Bachelor’s degree in Engineering, or a related Science, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience.     CLEARANCE REQUIREMENTS: Department of Defense Secret security clearance is required at time of hire. Applicants selected will be subject to a U.S. Government security investigation and must meet eligibility requirements for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position Help make the technologies, products and services that make a difference. That’s the opportunity that’s waiting for you at General Dynamics Mission Systems. We help our nation’s heroes keep our nation safe by creating solutions so advanced, they redefine innovation for the world. It’s an amazing challenge. And it’s...
Lockheed Martin
Mar 31, 2026
Database Engineer - Entry Level
Lockheed Martin MD
Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK As a Database Engineer – Junior-Level you will be responsible for: • Provides technical expertise for database design, development, implementation, information storage and retrieval, data...
Lockheed Martin
Mar 31, 2026
Database Engineer - Mid- Level
Lockheed Martin MD
Description: WHAT WE'RE DOING Lockheed Martin, Rotary Mission Systems Cyber & Intelligence invites you to step up to one of today’s most daunting challenges: the use of advanced electronics to undermine our way of life. As a cyber security professional at Lockheed Martin, you’ll protect the networks that our citizens and the world depend upon each minute: Financial assets. Healthcare information. Critical infrastructure. Hazardous materials. The uninterrupted flow of energy that keeps modern life moving. Here, you’ll work with cybersecurity experts on the forefront of threat protection and proactive prevention. In this fast-paced, real-world environment, you’ll draw on all your education and experience as well as the resources of Lockheed Martin to keep the threats at bay. THE WORK As a Database Engineer - Mid Level ), you will be required to: Contribute to cutting edge development programs and designing new solutions Innovate RF signal processing applications Provides...
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