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13 cybersecurity engineer jobs found

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General Dynamics Mission Systems, Inc
May 07, 2026
Full Stack Software Engineer - Ruby-on-Rails/Java experience
General Dynamics Mission Systems, Inc Manassas, VA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 5+ years of job-related experience, or a Master's degree plus 3 years of job-related experience. Agile experience preferred.       CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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 ROLE AND POSITION OBJECTIVES: As a Senior Software Developer, you will be part of a team of engineers working to deliver a comprehensive SecDevOps software solution for the US Navy that provides automated functional testing and...
Lockheed Martin
Apr 29, 2026
Cyber Software Engineer Senior Staff – DSP
Lockheed Martin Herndon, VA
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 Princ. - DSP 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 SIGNAL SWE leading multi faceted mission critical system development,...
Lockheed Martin
Apr 21, 2026
Information System Security Officer, Classified Cybersecurity
Lockheed Martin Herndon, VA
Description: This position requires TS/SCI clearance with the ability to obtain a CI polygraph. This position will perform duties as an Information Systems Security Officer at the Lockheed Martin Space facility in Herndon, Virginia. Candidates will typically have a Bachelor's Degree and 1+ years of experience. The work that ISSOs do can be summarized in this way: - You will have a direct impact to national security, ultimately contributing to protecting your loved ones – this is dynamic, gratifying and impactful work! - You will have the opportunity to engage in all aspects of the cyber discipline. - You can enjoy a work-life balance that allows for flex hours and a family-first culture. Key Responsibilities of this role includes: - Support day-to-day information system security operations including hardware and software implementations. - Carry out technical security administration of IS in accordance with internal LM and customer cybersecurity requirements, primarily the...
LMI
Apr 01, 2026
Cloud Engineer
LMI Tysons, VA
Overview LMI is seeking a Cloud Engineer to support our LIGER platform to meet specific customer needs.   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.   Responsibilities Responsible for evaluating...
LMI
Mar 30, 2026
Cloud Engineer - Clearance Required
LMI Fort Belvoir, VA
Overview LMI is seeking a Cloud Engineer to support activities related to ERP modernization as part of a larger Army ERP transition and convergence program, the Enterprise Business System – Convergence (EBS-C) program. They will work closely with system engineers, cybersecurity, test, and technical counterparts to develop and manage cloud infrastructure for the program. They will advise and support the government on how to design, implement, and maintain cloud infrastructure and applications.  Note: Work location is Fort Belvoir, VA.  Some telework is allowed based on client approvals. 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,...
Lockheed Martin
Mar 16, 2026
Cyber Security Engineer Technical Lead
Lockheed Martin Springfield, 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,...
Lockheed Martin
Mar 16, 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,...
Lockheed Martin
Feb 17, 2026
Authorization and Accreditation lead
Lockheed Martin Herndon, VA
Description: The Contractor shall provide an Authorization and Accreditation Lead to serve as the program Information Systems Security Engineer (ISSE) that oversees and is responsible for all accreditation activities to obtain ATD, ATO, and SRCs. This lead shall have experience with the Sponsor’s Authorization and Accreditation (A&A) processes, procedures, security requirements, and systems (e.g.,Greenlight) in order guide systems through the accreditation process and achieve the required security milestones for capabilities. This lead shall have experience with the Sponsor’s cloud A&As and provide consultative security support to the Sponsor, as well as to the Sponsor’s Stakeholders, Systems Architect, and Systems Engineer. Basic Qualifications: - Bachelor's degree in Information technology, Computer Science, Cybersecurity, Computer Engineering, or Information Systems and three to five (3-5) years of direct combined experience in IT systems administration, cybersecurity...
LMI
Aug 04, 2025
Full Stack Software Engineer-TS/SCI with polygraph required
LMI McLean, VA
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. LMI is seeking a Full Stack Software Developer to support a U.S. Federal Government Agency developing a next generation publishing platform for finished intelligence products. This position will...
Lockheed Martin
May 06, 2026
Software Automation Test Engineer Staff
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 is a pioneer, partner, innovator and builder. Our amazing people are on a mission to make a difference in the world and every day we use our 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. To promote the sharing of ideas, Lockheed Martin fosters a collaborative work environment that encourages differences and big-picture thinking. In this role, you will: • Act as subject matter expert leading a team of software automation test engineers • Evaluate software and system performance to identify and potential issues • Lead other...
Lockheed Martin
May 06, 2026
Cyber Applied Research Scientist (AR) / Onsite: Arlington, VA
Lockheed Martin Arlington, VA
Description: “Exciting Cyber Opportunities Await You!” Are you ready to dive into the thrilling world of cybersecurity? For nearly two decades, the Advanced Concepts Laboratory (ACL) has been at the forefront of innovation, crafting cutting-edge cyber solutions for the Department of Defense (DoD) and Intelligence Community (IC). Our mission: to empower our nation's heroes with game-changing Information Operations (IO) and Computer Network Operations (CNO) technologies that tackle some of the toughest challenges head-on. Cyber is an ever-changing domain, and at ACL, we're the revolutionaries leading the charge. We're a passionate, problem-solving team that thrives on tackling the most complex, enigmatic issues. If you revel in the thrill of finding solutions when the path isn't clear, if the idea of creating groundbreaking operational capabilities excites you, and if you thrive in an open, collaborative environment, we want to hear from you! Our quest for cyber excellence...
General Dynamics Mission Systems, Inc
Apr 28, 2026
Technical Lead - Software
General Dynamics Mission Systems, Inc Manassas, VA
Basic Qualifications Requires a Bachelor’s degree in Software Engineering, or a related Science, Engineering, Technology or Mathematics field. Also requires 8+ years of job-related experience, or a Master's degree plus 6 years of job-related experience. Agile experience preferred.       CLEARANCE REQUIREMENTS: : Department of Defense Secret security clearance is obtainable within a reasonable amount of time after 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 ROLE AND POSITION OBJECTIVES: You will be leading a team of engineers working to deliver a comprehensive SecDevOps software solution for the US Navy that provides automated functional testing and cybersecurity analysis of...
General Dynamics Mission Systems, Inc
Apr 13, 2026
Program Manager
General Dynamics Mission Systems, Inc Chesapeake, VA
Basic Qualifications Bachelor’s degree or equivalent is required plus a minimum of 8 years relevant experience; or Master's degree plus a minimum of 6 years relevant experience to meet managerial expectations. 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 up to Top Secret for access to classified information. Due to the nature of work performed within our facilities, U.S. citizenship is required. Responsibilities for this Position General Dynamics Mission Systems has an immediate opening for a Program Manager to support Navy shipbuilding programs in Newport News, VA. The position will operate out Chesapeake, VA. This position is embedded within a portfolio of programs that deliver classified engineering tools, integration and test support, digital data...
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