895 senior security engineer jobs found

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. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview The Senior Cybersecurity Engineer serves as a technical leader within the National Institute on Aging (NIA) Information System Security Office (ISSO) by designing, implementing, and...

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. With over 2,400 employees dedicated to the idea that “Your Mission is Our Passion,” DLH brings a unique combination of government sector experience, proven methodology, and unwavering commitment to innovation to improve the lives of millions. Overview The Senior Cybersecurity Engineer serves as a technical leader within the National Institute on Aging (NIA) Information System Security Office (ISSO) by designing, implementing, and...

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 Designs, plans, and validates secure network communications systems for the C2BMC program. You develop detailed specifications, schematics, and capacity forecasts; select hardware/software; implement firewalls, switches, routers, and security relevant devices; and conduct rigorous testing. You apply DoW RMF/CSRMC/STIG compliance, produce required IA...

Description: Cyber Systems Security Engineer (CSSE) – TTWCS Program What We're Doing At Lockheed Martin Rotary and Mission Systems, we are shaping the future of defense and security through innovation, integrity, and visionary thinking. Our teams apply the highest standards of business ethics and technical expertise to design solutions that safeguard our nation and allies. Every day, we push boundaries to ensure mission success—and we invite you to be part of this critical work. The Work As a Cyber Systems Security Engineer (CSSE) supporting the TTWCS program, you will: Support the TTWCS modernization effort with architecting new solutions. Conduct cyber risk assessment activities, including threat modeling, vulnerability analysis, and evaluation of mitigation strategies. Develop, analyze, and validate security design constraints within the cyber domain. Collaborate with cybersecurity engineers, system architects, and developers to ensure robust, secure system...

Description: Responsible for applying an interdisciplinary, collaborative approach to plan, design, develop, validate and verify Cyber solutions across the lifecycle. Conduct cyber risk assessment activities including threat modeling, vulnerability analysis and analysis of mitigation solutions. Coordinates and addresses Supply Chain risk management concerns. Develop, evaluate and analyze design constrains, trade-offs and detailed system and security design as they pertain to the Cyber domain. Coordinate with Cyber and system architects and developers to provide oversight in the development of solutions. Conduct cybersecurity test and evaluation of hardware and/or software designs to verify and validate compliance with defined specifications and requirements. Employs cyber security processes, methods, techniques and tools and assure their consistent application. Implements appropriate Assessment and Authorization activities as required by customers. Basic Qualifications: -...

Description: WHAT WE’RE DOING At Lockheed Martin's Rotary and Mission System's Cyber Resiliency organization, we are dedicated to engineering and deploying cutting-edge cyber defense solutions across our corporation. Our focus on cybersecurity is paramount to ensuring mission success for our customers, even in the face of evolving cyber threats. WHO WE ARE Lockheed Martin is driven by innovation, integrity, and a commitment to excellence. We believe in applying the highest standards of business ethics and visionary thinking to everything we do. As part of our team, you will collaborate with a cross functional team of technical professionals including software and systems engineers and radar operators to maintain the cybersecurity posture of the Space Fence Radar System. WHO YOU ARE We are looking for individuals who are passionate about cybersecurity and eager to contribute their skills and expertise to our mission. You should have demonstrable knowledge in...

Description: You will be a Cyber Systems Security EMBEDDED Engineer in the Program Protection Organization. Our organization oversees all aspects of Anti-Tamper and embedded Cybersecurity across Missiles and Fire Control. We are chartered with providing the skills and innovative technologies to develop, design, produce and sustain secure products across our Lines of Business. What You Will Be Doing As the Cyber Systems Security Engineer you will be responsible for providing embedded System Security Engineering design and implementation in all aspects of System Security Engineering (SSE) process in development of Department of Defense (DoD) Weapon Systems. Your responsibilities will include: • Assessing and mitigating System Security threats/risks throughout the embedded Weapon System development life cycle. • Validating System Security Engineering requirements decomposition, allocation and analysis for embedded Weapon Systems. • Implementing System Security Engineering...

Description: Lockheed Martin Aeronautics is seeking a full-time Radio Frequency (RF) Engineer. In this role, you will be performing RF engineering functions in support of system design, development, integration, production, and sustainment. Experienced Professionals looking for an opportunity to work at Lockheed Martin Skunkworks on the most advanced aeronautics programs in the world, this is your opportunity to be a part of a dynamic team working cutting edge technologies and capabilities utilizing Model-Based System Engineering practices through digital technology. Basic Qualifications: • Advanced degree in electrical, electronics, or systems engineering, or a related STEM discipline • Experience with Radar design and performance predictions • Experience with design of low frequency RF receiver systems. • Experience with detailed design and test of antenna elements Desired Skills: • Experience with design, development, and integration of advanced communications systems and...

Description: ***This position is contingent upon contract award to Lockheed Martin. Estimated award date is currently Fall 2026. Any job offers extended to chosen candidates will include a contingency clause stating that the offer is dependent on Lockheed Martin securing the contract.*** _____________________________________________ 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....

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,...

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. This position will support the development and strategy of a new organization, Quality...

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 60 years, the Fleet Ballistic Missile (FBM) team has supported the Navy’s...

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 Senior Software Engineer will have the...

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! We are seeking for a Senior Software Engineer to join our FSW/Sim Integration team that...

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! The FBM Program is experiencing significant growth, and we are currently seeking a Senior...

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. RAPT-2 Rapid Advanced Payload Test #2 The coolest job on this planet….or any...

Position: Sr. Linux Red Hat Infrastructure Engineer Job Description: Arrow Electronics is a global provider of products, services, and solutions to industrial and commercial users of electronic components and enterprise computing solutions. Arrow Electronics guides innovation forward for over 220,000 leading technology manufacturers and service providers. With 2025 sales of $30.9 billion, Arrow develops technology solutions that improve business and daily life. The company maintains 228 locations worldwide with over 85 countries served. A Fortune 148 company with 21,500 employees worldwide, Arrow brings technology solutions to a breadth of markets, including telecommunications, information systems, transportation, medical, industrial, and consumer electronics. Arrow provides specialized services and expertise across the entire product lifecycle. Arrow does this by connecting customers to the right technology at the right place, time, and price. Arrow provides extraordinary...

Position Summary Odyssey has an exciting opportunity for a Systems Engineer  at Eglin AFB . You'll be the safety maestro behind some of the Air Force’s most advanced weapon systems—leading tough hazard analyses, steering risk‑reduction decisions, and ensuring mission‑ready performance from concept to sustainment. You’re the go‑to expert leadership depends on when the stakes are high and the safety standards are even higher. Responsibilities Duties include, but not limited to: Lead System Safety Program activities providing senior technical guidance on hazard analysis, risk assessment, and system safety requirements. Oversee the development, review, and validation of system safety artifacts (e.g., SSHA, SAR, O&SHA, hazard logs, risk‑tracking documentation). Perform high‑complexity evaluations of OEM safety assessments, identifying analytical errors, validating probability models, and ensuring risks are accurately...

Description: You will be a technical staff member for laboratory software development within the LM Aero Simulation and System Lab (SSL) F22 MITL Team. This organization develops state of the art, real-time, pilot-in-the-loop fighter and airlift simulations and systems integration laboratories. This includes simulators for the F-16, F-22, F-35, C-5, C-130J, and L-100 aircraft. What You Will Be Doing As a Software Engineer Senior Staff, you will serve as the software lead for the F-22 Air Combat Simulation (ACS) Man in the Loop (MITL) development team which is responsible for developing and integrating new features into the simulation, sustaining the product, and rehosting the Operational Flight Program for Linux environments. The ACS serves as the Digital Twin for the F22 aircraft and supports pilot training, tactics development, and DT/OT testing including DevSecOps support in the Raptor Virtual Development Lab (RVDL). Your responsibilities will include:...

Description: What We're Doing As a part of the Lockheed Martin community, we take on challenges and find solutions using creativity and collaboration. If you’re looking to be a part of a passionate team solving these complex problems, then Rotary and Mission Systems is the place for you. The Work Lockheed Martin Rotary and Mission Systems is seeking a Full-Time Senior System Engineer. In this role, you will work on Combat System development and test execution as individual contributor in the Weapon Products. The successful candidate will have knowledge or experience in System Engineering of Weapons Control Systems product supporting Ballistic Missile Defense (BMD) and Anti-Air Warfare (AAW) programs to meet cost and schedule. Must be a US Citizen. This position will require a government security clearance. This position is located at a facility that requires special access. Who We Are Lockheed Martin is a global aerospace, defense, and security company dedicated to...