Cyber Systems Security Engineering Sr - E3 with Security Clearance

Job Number 5133 Standard Job Description 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. 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.

Key Responsibilities

• 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.

Basic Qualifications

• 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.

Pay Information Full-Time Salary Range: $88300.00 - $163900.00 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, candidates 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.

• Annual short-term and/or long-term incentive compensation programs may be offered depending on the position. Payments under these annual programs are not guaranteed and can vary from year to year and are tied to a range of performance metrics.
• For (Washington state applicants only) Non-represented full-time employees: accrue at least 10 hours per month of Paid Time Off (PTO) to be used for incidental absences and other reasons; receive at least 90 hours for holidays.

Represented full time employees accrue 6.67 hours of Vacation per month; accrue up to 52 hours of sick leave annually; receive at least 96 hours for holidays. PTO, Vacation, sick leave, and holiday hours are prorated based on start date during the calendar year.