Cyber Defense Systems Administrator (TS/SCI)

CACI International Inc.; Northern (KY); Hybrid; USD 72,000 - 150,000; Full time

Job summary

CACI International Inc. seeks a skilled Systems Administrator for CSfC operations at Fort Bragg, NC. The role focuses on 24/7 uptime, threat monitoring, and incident response for the CSfC Gateway and Remote Nodes. You will analyze SIEM data, coordinate with USG, and keep detailed security records.

Must have TS/SCI clearance and CSfC experience; bachelor’s degree or higher preferred. Responsibilities include vulnerability review, patching, and maintaining NSA accreditation readiness.

Qualifications

• U.S. citizenship and active TS/SCI clearance required.
• CSfC technology and NSA security requirements familiarity.
• Strong knowledge of networking concepts, protocols, and security practices.
• Experience with IDS/IPS, vulnerability management, and incident response.
• Understanding of VPN security and network hardening.

Responsibilities

• Provide 24/7/365 system, network, and security operations support.
• Monitor the CSfC Gateway and Remote Nodes for uptime and threats.
• Analyze components and SIEM for anomalous events and incident response.
• Maintain documentation of security events, findings, and remediation steps.
• Ensure NSA Registration and ATO accreditation renewal processes are supported.

Skills

U.S. Citizenship

TS/SCI

CSfC knowledge

Networking concepts

IDS/IPS

Incident response

Cybersecurity principles

VPN security

Vulnerability management

Risk management

VPN devices

Education

Bachelor’s degree or higher

Tools

SIEM

Firewall/IPS tooling

Network monitoring tools

Job description

CACI International Inc. seeks a skilled Systems Administrator for CSfC operations at Fort Bragg, NC. The role focuses on 24/7 uptime, threat monitoring, and incident response for the CSfC Gateway and Remote Nodes. You will analyze SIEM data, coordinate with USG, and keep detailed security records.

Must have TS/SCI clearance and CSfC experience; bachelor’s degree or higher preferred. Responsibilities include vulnerability review, patching, and maintaining NSA accreditation readiness.