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# Systems Administrator III

- **Company:** Scientific Research Corporation
- **Location:** North Charleston, SC, United States
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Complex Networks, Cyber Security, System Configuration, Network Troubleshooting, Red Hat Enterprise Linux, Service Pack, Software Systems, Diagnostic Tools, System Availability, Containerization, Kubernetes, Information Technology, Hardware Infrastructure, Cisco, Docker
- **Published:** October 5, 2026
- **Apply:** https://diversityjobs.com/career/18544316/Systems-Administrator-Iii-South-Carolina-North-Charleston

## About the Role

* Five or more years of experience in a network and computer systems administrator role
 * Bachelor's degree in information technology, cybersecurity, computer science, or a related discipline
 * Active DoD 8570 IAT Level II certification (or higher)
 * Experience applying Security Technical Implementation Guides (STIGs) and using the Assured Compliance Assessment Solution (ACAS)
 * Experience with Cisco switching and routing
 * Experience with Red Hat Enterprise Linux (RHEL) administration
 * Experience with deploying and maintaining containerized applications (e.g., Docker, Kubernetes)
 * Demonstrated ability to configure, monitor, and maintain complex network and computer systems to ensure operational integrity and continuous connectivity in accordance with DoD requirements
 * Proficient in troubleshooting hardware, software, and network issues using diagnostic tools and structured support methodologies
 * Must possess an active Secret security clearance with eligibility for TS/SCI

Desired Skills

 * Knowledge of the Risk Management Framework (RMF)
 * Experience with the Enterprise Mission Assurance Support Service (eMASS)

## Description

Administering and supporting Cisco network hardware, Red Hat Enterprise Linux (RHEL) systems, and associated software to ensure consistent system availability and optimized performance

 * Conducting regular monitoring and analysis of network and system performance, promptly identifying and resolving potential issues or security threats
 * Installing, configuring, and maintaining network/server hardware, operating system updates (specifically RHEL), and security patches in compliance with DoD standards
 * Deploying and maintaining containerized applications to support scalable and efficient software solutions
 * Collaborating with IT support teams to troubleshoot technical issues, implement system improvements, and adapt to evolving operational needs