Perform data backups and disaster recovery operations.

Diagnose, troubleshoot, and resolve hardware, software, or other network and system problems, and replace defective components when necessary.

Configure, monitor, and maintain email applications or virus protection software.

Operate master consoles to monitor the performance of computer systems and networks and to coordinate computer network access and use.

Monitor network performance to determine whether adjustments are needed and where changes will be needed in the future.

Plan, coordinate, and implement network security measures to protect data, software, and hardware.

Analyze equipment performance records to determine the need for repair or replacement.

Confer with network users about solutions to existing system problems.

Recommend changes to improve systems and network configurations, and determine hardware or software requirements related to such changes.

Implement and provide technical support for voice services and equipment, such as private branch exchange, voice mail system, and telecom system.