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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Systems Engineer-IT Sr - Level 3 (Top Secret) - **Company:** Lockheed Martin - **Location:** King of Prussia, PA, United States - **Experience:** Expert - **Salary:** $95,900.0 - $178,100.0 - **Contract:** Permanent contract - **Skills:** Microsoft Windows, Active Directory, Systems Engineering, Bash Shell, Hyper-V, Hypervisor, Systems Analysis, Networking Hardware, Python (Programming Language), Linux System Administration, Open Systems Interconnection (OSI), OpenStack, Windows PowerShell, Red Hat Enterprise Linux, Ansible, Server Administration, Verification and Validation (Software), Systems Architecture, Systems Integration, TCP/IP, Scripting, Identity Services Engine, Data Storage Technologies, Information Technology, Terraform, Vmware - **Published:** September 1, 2026 - **Apply:** https://www.clearancejobs.com/jobs/9131395/systems-engineer-it-sr-level-3-top-secret ## About the Role * Currently hold an active DOD 8570 certificate (Security+, etc.) * Currently hold an active Top Secret security clearance with the ability to obtain and maintain an SCI security clearance * 3+ years of experience with IT administration * Experience managing hypervisors such as RedHat OpenStack, Hyper-V, or VMWare * Scripting with bash, PowerShell, python, etc. * Experience with managing RHEL 9, Windows 11 and Server 2022, and network equipment * Experience with IT system security hardening * Experience with Microsoft Active Directory and Group Policy. * Proficiency in System architecture and design Desired Skills * Open to opportunities to occasionally travel * Automate IT tasks using tools such as Ansible or Terraform. * Seeks opportunities to take ownership of solving complex problems * Cisco ISE knowledge * Knowledge of OSI/ TCP-IP Model ## Description * Be involved in Windows or Linux system administration * Using scripts to automate server administration and deployment * Complete system patching * Support user interactions * Design new capabilities * Maintain networks and data storage to ensure maximum up-time for development and operations * Demonstrate your great work ethic, communication skills, creativity and problem-solving skills to make a lasting difference. Selected candidate must be a US Citizen. This position requires a government security clearance. This position is located at a facility that requires special access. Performs technical planning, system integration, verification and validation, cost and risk, and supportability and effectiveness analyses for total systems, and information technology related responsibilities including design, development, and analysis of computer systems or programs based on and related to user or system design specifications; applying systems analysis techniques and procedures, including consulting with users to determine hardware, software, or system functional specifications. Analyses are performed at all levels of total system product to include: concept, design, fabrication, test, installation, operation, maintenance and disposal. Ensures the logical and systematic conversion of customer or product requirements into total systems solutions that acknowledge technical, schedule, and cost constraints. Performs functional analysis, timeline analysis, detail trade studies, requirements allocation and interface definition studies to translate customer requirements into hardware and software specifications. 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