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# Senior Systems Administrator III

- **Company:** Cherokee Federal
- **Location:** United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Monitoring of Systems, Performance Monitor, Server Operating Systems & Platforms
- **Published:** July 14, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9030557/senior-systems-administrator-iii

## About the Role

* Bachelor's degree and/or equivalency.
 * Six (6) years of progressive experience demonstrating the required proficiency.
 * Commercial Certificates for DoD 8570.01-M certificate requirement, Professional level certification for supported technology.
 * Proficient in managing server operating systems and infrastructure platforms.
 * Skilled in diagnosing and resolving system issues related to infrastructure.
 * Ability to analyze system performance and identify areas for improvement.
 * Experience in maintaining and enhancing infrastructure security.
 * Expertise in creating clear and comprehensive procedural and maintenance documentation.
 * Ability to assess system capacity and recommend necessary adjustments.
 * Skilled in assisting with the evaluation and testing of infrastructure hardware/software.
 * Capable of handling complex issues with minimal supervision.
 * Proficient in using hands/fingers for handling, typing, and operating equipment.
 * Ability to sit for extended periods and occasionally walk or stand.
 * Strong ability to see up close, at a distance, and along the periphery with depth perception and focus adjustment.
 * Capable of hearing and responding to spoken communication.
 * Ability to effectively talk and interact with others in various settings.
 * Comfortable working in a diverse office environment with varying personalities and functional roles.
 * Ability to manage multiple tasks simultaneously in a fast-paced office setting.
 * Capable of working with a wide variety of people with different expertise and abilities.
 * Must pass pre-employment qualifications of Cherokee Federal.

## Description

Deploys, sustains, and troubleshoots server operating systems and related infrastructure. Manages day-to-day system integrity, security, and availability. Performs backups, monitoring, and capacity analysis while maintaining security posture. Creates documentation for operational upkeep and performs maintenance upgrades. Assists in evaluating infrastructure hardware/software. Level III handles complex tasks independently and may supervise others., * Install, configure, and maintain server operating systems and related infrastructure software/hardware.

 * Ensure integrity, security, and availability of infrastructure platforms.
 * Perform regular system backups and monitor system performance.
 * Conduct performance monitoring and capacity planning for infrastructure systems.
 * Maintain and enhance the security posture of infrastructure systems.
 * Develop standard operating procedures, maintenance guides, and knowledge base articles for infrastructure upkeep.
 * Perform necessary infrastructure platform upgrades to maintain security and operational effectiveness.
 * Support architecture and engineering teams in evaluating, recommending, and testing infrastructure hardware/software products.
 * Handle more complex tasks independently and provide guidance to others when required.
 * Performs other job-related duties as assigned.


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