• Diagnose hardware and software problems and replace defective components.
• Perform data backups and disaster recovery operations.
• Maintain and administer computer networks and related computing environments, including computer hardware, systems software, applications software, and all configurations.
• Plan, coordinate, and implement network security measures to protect data, software, and hardware.
• Operate master consoles to monitor the performance of computer systems and networks, and to coordinate computer network access and use.

Perform routine network startup and shutdown procedures and maintain control records.