Maintaining servers for databases, web applications, file storage andemail services.

Configuring servers, workstations, network devices (routers, switches,access points).

User account and access management.Setting up security policies (passwords, access levels, user rights).

Fixing vulnerabilities and installing security updates.

Conducting regular checks for threats and suspicious activity.

Troubleshooting computer and software problems.

Organizing regular backups.

Studying new technologies to improve work efficiency.

Maintain documentation for setting up systems, people and plans