Systems Administrator

Job Title: Systems Administrator

Clearance Required: Active Top Secret with eligibility for SCI

Job Summary:

Responsible for the administration, maintenance, and security of NS3 s IT systems, including servers, storage, networks, and user accounts. Supports system performance, patching, troubleshooting, and compliance across physical and virtual environments.

Key Responsibilities:

• Manage and maintain physical/virtual servers, storage, and network infrastructure.
• Apply patches, system updates, and implement DISA STIGs for security compliance.
• Administer Active Directory, Exchange, file shares, and user access.
• Perform backups, restorations, and troubleshoot IT system issues.
• Maintain licensing, system documentation, and support ticket resolution.
• Conduct security audits, apply vulnerability remediations, and monitor system health.
• Collaborate with internal teams and external partners to ensure system availability.
• Support VDI environments and participate in change control activities.

Qualifications:

• Clearance: Active Top Secret with SCI eligibility
• CompTIA Network+ and/or Security+
• ITIL 4 Foundation (must be completed within 6 months)
• Experience: Minimum of eight (8) years of system administration experience
• Education: Bachelor s degree AND minimum of six (6) years of system administration experience