TS/SCI Systems Administrator

Required Skills & Experience

• Active TS/SCI Clearance
• 12+ years of Systems Administration experience
• Windows Server administration
• Linux/UNIX administration
• Enterprise infrastructure support and troubleshooting
• Tier II/III support experience
• IAT III Certification (CISSP, SecurityX, or equivalent)
• Ability to obtain AZ-104 Azure Administrator certification within 180 days

Nice to Have Skills & Experience

Administer and maintain Windows and Linux/UNIX operating systems across enterprise environments. Install, configure, patch, and upgrade servers, operating systems, and enterprise applications. Monitor system performance, availability, and security posture while proactively addressing operational issues. Provide Tier II and Tier III technical support for escalated infrastructure incidents. Troubleshoot and resolve hardware, software, networking, storage, and operating system issues. Manage user accounts, permissions, and security configurations. Support desktop, server, storage, and network infrastructure connected to local and wide area networks. Perform system maintenance activities including backups, patching, vulnerability remediation, and system upgrades. Implement operating system enhancements to improve performance, reliability, and security. Participate in technology refreshes, migrations, and infrastructure modernization efforts. Support incident response activities and communicate status updates to internal stakeholders and leadership. Ensure systems remain compliant with DoD security and operational requirements. Document system configurations, procedures, and troubleshooting activities. Support classified operational environments and mission-critical systems.

Job Description

Our client is seeking a Senior Systems Administrator to support mission-critical infrastructure within a classified Department of Defense environment. This individual will be responsible for administering, maintaining, troubleshooting, and optimizing enterprise Windows and Linux systems while supporting day-to-day operations of server, network, storage, and end-user environments.

The ideal candidate has extensive experience supporting large-scale enterprise infrastructure, possesses an active TS/SCI clearance, and can operate effectively within highly secure government environments. Pay rate ranges from $65-75/hr