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# System Administrator

- **Company:** Cornerstone Defense
- **Location:** Aurora, CO, United States
- **Experience:** Experienced
- **Salary:** $90,000.0 - $110,000.0
- **Contract:** Permanent contract
- **Skills:** Software Documentation, Linux, Hardware Design, VMware Virtualization, Backup and Restore, Virtual Environment, Bare Metal
- **Published:** August 3, 2026
- **Apply:** https://www.clearancejobs.com/jobs/8526598/system-administrator

## About the Role

* Typically requires bachelor's degree, if no degree must have 6 years of experience.
 * Minimum of 2 years of prior relevant experience.
 * Must have a Current TS/SCI CI Poly transferable U.S. government issued prior to start date. U.S. citizenship is required, as only U.S. citizens are eligible for a security clearance.
 * Must have Linux experience
 * Experience with administering virtual systems
 * Must have a current DODI 8570.01-M IAT Level II (or higher) certification

Preferred Qualifications:

 * Experience with Networking
 * Experience supporting engineers in software, simulations, and hardware development.

## Description

* Monitor and maintain computer configurations and performance in a VMware virtual environment
 * Perform Operating System, and hardware troubleshooting in bare-metal and virtual environments
 * Work with engineering and operations teams to troubleshoot and support systems in a 24x7 operating environment
 * Provide IT support to new system developments and system upgrades
 * Perform system backups and maintain system reconstitution capabilities and procedures
 * Develop and implement scripts to monitor, improve and/or automate system performance and maintainability
 * Maintain system documentation, configuration documents, user guides and troubleshooting procedures.
 * Systems are operational 24x7 and occasionally require work effort beyond standard work hours.
 * Full time 100% Onsite position.


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