
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.
As a Cyber Systems Security Engineer, you will join a Cyber Engineering team that is building new security architectures across a very large and critical System-of-Systems. You’ll drive the development and integration of modern cyber solutions that protect and empower critical Department of Defense (DoD) assets.
Provide Cyber engineering expertise to support diverse technical assignments, technical reviews, and new architecture efforts
Research new technology with technical expertise to understand Cyber value and risk to product engineering and integration
Collaborate across teams on secure system and network design that balances mission goals and cyber protection
Design, develop, and integrate secure Cyber solutions and processes for Linux environments
Perform and review security assessments, to ensure Cyber best practices are properly evaluated and communicated to stakeholders
Take ownership of technical assignments and drive them through the agile process, to create actionable engineering tasks for inclusion in software baselines
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 want new and diverse technical challenges and willing to work to achieve working systems. You want new and diverse technical challenges, while moving with intention to achieve Cyber resilient working systems. Looking to find your place and provide key Cyber contributions to the program.
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.
A Bachelor’s degree in Cybersecurity, Computer Science, Computer Engineering, or related engineering field; and 1 year of experience
Experience with Linux systems and large system development
Experience with basic networking switch/router/firewall/IDS concepts
Experience developing Cyber Security Solutions (in any form) as a team
Experience in researching Cybersecurity capabilities, performing trade studies, and providing expertise to peers and leadership
Experience in scripting for prototyping and automation (bash, python)
Cloud experience such as Kubernetes, microservice, and containers (experience in On-Prem Kubernetes is highly valued)
Proficiency with Cyber best practice security concepts, models, and methods, (e.g., zero trust architecture and maturity model, advanced authentication methods)
Experience in network security and network-centric development concepts
Development experience in C/C++ and/or Rust
Experience leading technical meetings with strong communication skills while working effectively with internal team members and external stakeholdersExperience in agile methodologies and associated tools (Jira, Confluence)
Creative thinker with strong analytical, problem-solving skills, and a continuous learning mindset
Possess (or must obtain within 6 months of hiring) an approved DoD 8570 baseline certification for IAT Level II (Security+, GSEC, etc.)
Full-Time Salary Range: $91200.00 - $169400.00
At Lockheed Martin, we know mission success starts with taking care of our people. Our Total Rewards program is designed to attract top talent, support your well-being, and help you grow—both professionally and personally.
The salary range for this position is as listed on the requisition. Please note that the salary information listed is a general guideline only. Lockheed Martin considers factors such as (but not limited to) scope and responsibilities of the position, candidate's work experience, education/ training, key skills as well as market(work location) and business considerations when extending an offer.
Benefits offered: Medical, Dental, Vision, Flexible work arrangements and schedules (e.g., 4x10), 401(k) match, Paid time off, Holidays, Parental Leave, EAP, Flexible Spending Accounts, Education Assistance, Life Insurance, Short-Term Disability, and Long-Term Disability.

The world relies on what we do.
Headquartered in Bethesda, Maryland, with offices across the U.S. and around the globe, our team delivers solutions that strengthen national security, shape industries and push engineering and technology to new levels. We collaborate to win. We put our customers first. And we perform with excellence.
The best careers are built at Lockheed Martin. Join us.