Cyber Systems Security Engineer

Cyber Systems Security Engineer | Lockheed Martin

At Lockheed Martin - Rotary and Mission Systems, we're shaping the future of Undersea Warfare (USW) systems. Our mission is to develop innovative technologies that secure our nation's defense. We are integrating state-of-the-art cybersecurity solutions into mission-critical systems to ensure resilience, integrity, and continued superiority under the sea and across domains.

The work as a Cyber Systems Security Engineer, you will take a leadership role in enhancing cybersecurity across SWFTS (Submarine Warfare Federated Tactical Systems). You'll drive the development and integration of modern cyber solutions that protect and empower critical Department of Defense (DoD) assets. Key responsibilities include:

• Designing, implementing, and maintaining security controls to protect system confidentiality, integrity, and availability
• Leveraging guidance from Risk Management Framework (RMF), Security Requirements Guides (SRG), and Security Technical Implementation Guides (STIG) to advance cyber controls in a system security architecture
• Integrating secure configuration tools and processes for Linux and Windows environments
• Performing security assessments and validating configurations through automated testing and tailored solutions
• Collaborating across teams on secure system and network design that balances mission goals and cyber protection
• Leading technical meetings, translating security requirements into actionable engineering tasks, and mentoring team members

This position is located in Manassas, VA. This position requires the ability to obtain and maintain a DoD government clearance at the Secret level.

We are a mission-driven organization built on collaboration, innovation, and impact. From concept through deployment, our cybersecurity professionals work alongside world-class engineers and developers to secure complex systems in some of the most challenging environments on Earth—and below it. At RMS, we foster a culture of Creativity, collaboration, and continuous learning.

You are an experienced cybersecurity engineer with strong technical depth and a leadership mindset. You thrive in fast-paced environments and are passionate about defending against evolving threats. You balance innovation with pragmatism and understand the importance of aligning security with mission success.

At Lockheed Martin, your skills, training, and education are valued—and your future is limitless. You'll join a team that empowers innovation, supports professional growth, and makes a tangible impact on global security. From day one, you'll be part of something bigger: protecting what matters most.