Linux System Administrator in many Distributions such as Centos, Fedora, Redhat, OpenSuSe, Debian.

Local Administration:
*Users and groups Administation
*User Accounts Administration
*Autotasks through Shell Scripts
*File and Folder Permissions
*LVM (Linux volume manager)

Development Server:
*Python Development Server / Django

Network Administration:
*Vpn Server Configuration (OpenVpn)
*IPsec Server.
*Iptables administration.
*DNS Server Administration (Bind).
*Firewall Server.
*Proxy Server (Squid).

File Sharing:
*Samba fileserver

Web Services:
*Web server (Apache), Modules, Rules.

Other Services:
*KVM ( Kernel-based Virtual Machine)
*Database Server such as mysql, postgresql
*Monitoring Server (Zabbix monitoring)
*Local Network Traffic Monitoring Server

Cisco:
*Knowledge on Cisco CCNA 1-4

Programming Code: (In course)
*Python and Django Web Applications

Knowledge on:
*ESXI Vmware
*3com/HP Switching.
*Huawei Networking.
*Juniper Networking.


Pentester/Ethical Hacking :
Audit Cyber Security in differents Facts: 
- Footprinting local and external Servers resources.
- Linux Servers attacks and Post Explotation Attacks.
- Linux and Windows Workstation attacks and Post Explotation Attacks
- Windows Server Explotation Attack and Post Explotation.
- Attacking wireless networks.
- Breaking WPA/WPA2 encryption
- Website attacks with SQL injections
- Signal jamming and denial of service and distributed denial of services
- SSL Strip
- Cloning Evil Twin Access points to steal data
- Dns Spoofing
- Reverse shells Windows/Linux/Web
- XSS ( Cross-site scripting )