Linux administration 

Mikrotik 

Web developer 

Installation operating and service computer 

Cisco 

Database mysql 

Installing and configuring network hardware and software.

Managing network security measures to protect against cyber threats.

Monitoring network performance and troubleshooting issues.

Managing and maintaining network servers, such as email and file servers.

Managing and maintaining network infrastructure, such as routers, switches, and firewalls.

Managing and maintaining remote access and VPN connections.

Managing and maintaining cloud-based network services.

Managing and maintaining wireless networks.

Providing training and support to end-users.

Staying current with advances in technology and making recommendations for upgrades and improvements.