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# Cyber Systems Security Engineering Sr - E3

- **Company:** Lockheed Martin
- **Location:** Eglin Air Force Base, FL, United States
- **Experience:** Expert
- **Salary:** $88,300.0 - $163,900.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Automation of Tests, Bash Shell, CompTIA Security+, Cyber Security, Dynamic Host Configuration Protocol, Linux, Domain Name System (DNS), VMware ESX Servers, Hyper-V, Information Technology Operations, Kernel-Based Virtual Machine, System Center Configuration Manager, OpenShift, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Software Engineering, Wireshark, Virtual Local Area Networks, Virtual Machines, Virtualization Technology, Wide Area Networks, Scripting, Computer Networking Systems, SUSE Linux, Containerization, Information Technology, Cybercrime, Tenable Nessus, Patch Management, Vmware
- **Published:** August 27, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9122451/cyber-systems-security-engineering-sr-e3

## About the Role

Do you want to be part of a company culture that empowers employees to think big, lead with a growth mindset, and make the impossible a reality? We provide the resources and give you the flexibility to enable inspiration and focus. If you have the passion and courage to dream big, work hard, and have fun doing what you love then we want to build a better tomorrow with you., * Professional experience combining IT Systems Administration, Networking, and Cybersecurity Engineering.

 * Strong operational experience with Linux (RHEL, SUSE) and Microsoft Windows (Server and Workstation environments).
 * Demonstrated experience writing and maintaining scripts/automation code using Bash, PowerShell, and Ansible.
 * Familiarity with containerization technologies (e.g., VMWare, OpenShift Virtualization).
 * 9+ years of relevant IT experience, or an equivalent combination of education and experience
 * Possession of a CompTIA Security+ or an equivalent DoD 8570/8140 IAT Level II baseline certification

Desired Skills

 * Experience with Cisco Networking
 * Familiarity with compliance scanning tools (e.g., ACAS, Tenable Nessus)
 * Familiarity with DoD RMF guidelines, security hardening implementation, and vulnerability tracking
 * Ability to troubleshoot networking and system issues using Wireshark and PSExec
 * Previous experience in software development used to build custom scripts, automate routine IT operations, and identify the root causes of system errors.

## Description

Lockheed Martin is seeking a Cyber Systems Security Engineer to join our team. In this role, you will bridge the gap between traditional IT Systems Administration and Cybersecurity compliance. You will be a part of a team that is responsible for deploying, hardening, automating, and maintaining a secure operating environment. The ideal candidate possesses a strong operational background in both Linux and Windows environments, knowledge using bash/Powershell/Ansible, and a commitment to safeguarding critical defense systems against evolving cyber threats., * System Installation & Hardening

 + Deploy and configure Windows (Server/Workstation) and Linux (RHEL, SUSE) systems.
 + Apply DISA STIGs and perform routine security-hardening tasks under guidance from senior security engineers.
 * Patch Management & ATO Support
 + Execute scheduled patch cycles (Windows Updates, yum/apt patches) and verify successful remediation.
 + Coordinate with IT Security Engineering team by providing evidence of STIG compliance and patch status for ATO maintenance.
 * Networking & Virtualization
 + Perform basic LAN/WAN configuration (IP, VLANs, DHCP, DNS).
 + Manage virtual machines using VMware ESXi, Hyper-V, or KVM; assist with VM provisioning and troubleshooting.
 * Scripting & Automation
 + Write/maintain simple Bash, PowerShell, or Python scripts to automate repetitive tasks (e.g., patch deployment, log collection).
 + Use Ansible playbooks or SCCM task sequences under direction from senior staff.
 * Collaboration & Troubleshooting
 + Collaborate closely with cross-functional internal Lockheed Martin teams to align IT infrastructure projects with organizational standards, security protocols, and program goals.
 + Provide rapid, responsive troubleshooting and technical support to end-users, swiftly diagnosing and resolving complex hardware, software, and system issues to maintain continuous operational uptime.


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