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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Cyber Systems Security Engineering Sr - **Company:** Lockheed Martin - **Location:** Orlando, FL, United States - **Experience:** Expert - **Salary:** $98,100.0 - $182,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Systems Engineering, Bash Shell, Ubuntu (Operating System), CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), Python (Programming Language), Routing, Network Administration, Windows PowerShell, Red Hat Enterprise Linux, Software Systems, Systems Modeling Language, Virtual Local Area Networks, Scripting, DOORS (Software), Containerization, Kubernetes, Information Technology, Cybercrime, Patch Management, Nessus, Firewall Services Module, Devsecops, Docker, Vulnerability Analysis - **Published:** September 8, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9149697/cyber-systems-security-engineering-sr ## About the Role * Bachelor's degree from an accredited college/university in a related discipline (e.g., Cyber Security, Systems Engineering, Information Technology, Computer Science, or a comparable field) and at least 2 years of relevant professional experience, or Master's degree in a related discipline with no required professional experience. Technical Skills * Proficiency in at least one scripting language (PowerShell, Python, Bash, or comparable). * Hands-on experience administering and troubleshooting both Linux (RHEL, Ubuntu, etc.) and Windows (Server/Workstation) environments. Documentation & Communication * Demonstrated ability to produce clear, accurate technical documentation. * Strong written and verbal communication skills; capable of presenting technical information to both technical and non-technical audiences. Security & Clearance * Ability to obtain and maintain a DoD Secret clearance (must be a U.S. citizen). * Possession of CompTIA Security+, or equivalent DoD 8570 type certification Desired Skills * Knowledge of NIST SP 800-53 security control families. * Patch management deployment experience. * Hands-on experience with vulnerability scanning tools (e.g., Nessus, ACAS). * Network administration (routing, switching, firewall rules, VLANs, DNS/DHCP). * Familiarity with DoD/IC Security Technical Implementation Guides (STIGs) and how to apply them * Basic proficiency with containerization (Docker) and orchestration platforms (e.g. Kubernetes) * Understanding of CI/CD pipelines and how security integrates (DevSecOps) * Experience authoring requirements in IBM DOORS Next Generation (or DOORS NG). * Model-Based Systems Engineering (MBSE) experience using SysML, including developing and maintaining system models with CAMEO Systems Modeler. ## Description At Lockheed Martin, we are pushing the boundaries of innovation to solve some of the world's most complex challenges. In our Rotary and Mission Systems (RMS) division, we are focused on advancing security and resilience for critical defense systems, with a particular emphasis on F-35 Training & Logistics. Our team is dedicated to applying cutting-edge cybersecurity solutions that safeguard the integrity of systems throughout their lifecycle. We are passionate about ensuring that these systems remain resilient to evolving cyber threats, supporting both the F-35 and other essential training and logistics operations. The Work As a Cyber Systems Security Engineer, you will play a vital role in securing the backbone of mission-critical systems. Your responsibilities will include: * Designing and developing cybersecurity solutions that span the entire system lifecycle, from initial planning to final validation. * Conducting risk assessments, including threat modeling and vulnerability analysis, to evaluate and address potential security gaps. * Collaborating with engineers and system architects to analyze and resolve cybersecurity trade-offs and system design constraints. * Performing cybersecurity testing to validate that hardware and software designs meet security requirements. * Employing proven cybersecurity methodologies, processes, and tools, ensuring consistent application across projects. * Supporting assessment and authorization activities to ensure compliance with required cybersecurity standards., You are a Cyber Security Engineer with a passion for tackling the most complex problems in the cyber domain. You thrive in a collaborative environment, working with cross-functional teams to design, test, and implement innovative solutions. Your technical expertise is complemented by a deep understanding of the full system lifecycle and how to integrate security seamlessly into every phase. You have experience in: * Conducting cyber risk assessments and implementing mitigation strategies. * Responsible for securing and hardening hardware and software systems. * Collaborating with engineers, architects, and developers to ensure robust security solutions. * Performing cybersecurity testing and ensuring compliance with industry standards and regulations. ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [Security Pitfalls for Software Engineers](https://www.wearedevelopers.com/videos/726-security-pitfalls-for-software-engineers) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) - [What makes Cybersecurity different for critical infrastructure?](https://www.wearedevelopers.com/videos/571-what-makes-cybersecurity-different-for-critical-infrastructure) ## Related Articles - [9 Ways to Make Money Hacking](https://www.wearedevelopers.com/magazine/333-9-ways-to-make-money-hacking) - [Events like RSAC Get You CISOs. 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