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# Sr. System Administrator / TS/SCI / Onsite: CO

- **Company:** Lockheed Martin
- **Location:** Littleton, CO, United States
- **Experience:** Expert
- **Salary:** $95,900.0 - $178,100.0
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Configuration Management, CompTIA Security+, Data Security, Linux, Systems Analysis, Network Troubleshooting, Windows Servers, NetApp Applications, Windows PowerShell, Ansible, Security Content Automation Protocol, Software Deployment, Verification and Validation (Software), Systems Integration, Software Vulnerability Management, Storage Devices, Information Technology, Performance Monitor, Nessus, Splunk
- **Published:** August 20, 2026
- **Apply:** https://www.careerjet.com/job/uscd0f002c44fc9f7eaa563df3219fb827/eaa

## About the Role

* Active TS/SCI clearance with ability to obtain CI Poly
 * U.S. Citizenship required for access to the work facility
 * Must have a DoD 8572 qualified certification such as CompTIA Security+
 * 3+ years of experience administering Linux and Windows server environments
 * Demonstrated experience effectively performing in a fast paced, dynamic environment
 * Experience with DISA STIGs and Security Hardening of OS and applications
 * Experience performing diagnostics and troubleshooting network issues
 * Experience with Operating Systems life cycle management and configuration management (i.e., Installation/Upgrades, System Imaging, Account Management, Print Services, integration with Domain Services, Hardware Modernization, Performance Monitoring, etc.)
 * Experience with vulnerability remediation and security management (i.e., system hardening, log management, configuration management (i.e., Nessus, Trellix, Splunk, ACAS, SCAP, etc.))
 * Strong communication skills and ability to work effectively in a team environment
 * Ability and willingness to accommodate occasional off-shift hours, * Active TS/SCI clearance with a CI Poly
 * 5+ years of experience administering Linux and Windows server environments
 * Familiarity with automation tools (e.g., Ansible, PowerShell)
 * Experience administering NetApp storage devices
 * Advanced IT certification such as RHCSA, MSCE, or CISSP

## Description

This Enterprise Operations (EO) position supports the Lockheed Martin Space division located in Denver, CO. The selected candidate will be responsible for providing support to the critical programs under the responsibility of the Space Division. This IT professional will ensure that the Lockheed Martin IT systems are managed, controlled, and compliant with the Corporate Information Protection Manuals (CIPM). This includes upgrades, operations and maintenance, hardware and software installations, and service requests (servers, workstations, containers, networking, and storage), continuity of operations (backups and verified restore capabilities).
In this position, the chosen candidate will utilize their system administration and architecture skills as primary IT support for several classified environments.
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. For positions that do not perform IT responsibilities, use E146, Systems Engineer.


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