Network Administrator

The Network Administrator will support the Texas Cyber Command on its enterprise network operations contract. This role is responsible for the day -to -day administration, monitoring, troubleshooting, documentation, and improvement of TXCC business network services across Austin and San Antonio. The candidate will support secure network operations in a high -assurance business IT environment, including segmentation, access control coordination, configuration review, and service restoration. The role requires collaboration with TXCC staff, managed service providers, carriers, hardware vendors, and site support personnel to maintain network availability, security, and operational readiness. The candidate will also assist with procurement support, asset inventory, cutover planning, migration support, vulnerability remediation, and incident -related fact gathering as requested.

Responsibilities:

• Administer, monitor, and troubleshoot enterprise LAN, WAN, wireless, VPN, and internet connectivity services across multiple TXCC office locations.
  
• Support and maintain routing, switching, DNS, DHCP, firewalls, and wireless network infrastructure.
  
• Implement and maintain secure network segmentation, least -privilege access paths, and controlled network changes.
  
• Coordinate with carriers, managed service providers, hardware vendors, and internal support teams to resolve network service issues.
  
• Manage service tickets, change management processes, monitoring tools, documentation, and asset inventory practices in accordance with operational IT standards.
  
• Support endpoint, collaboration, identity, and cloud/SaaS dependencies that affect business network performance and user productivity.
  
• Develop and maintain network diagrams, capacity plans, and operational documentation.
  
• Assist with network procurement support, asset inventory management, cutover planning, migration support, and vulnerability remediation activities.
  
• Conduct incident -related fact gathering and support after -hours maintenance windows as authorized by TXCC.
  
• Work with TXCC staff and site support personnel to ensure network services remain available, secure, and ready for agency operations.