Suse system administration
5.0(3)Ubuntu system administration
5.0(3)Linux engineer certification 1 (LPIC-2)
5.0(3)Definitive Ethernet LANS for engineers
5.0(3)Red Hat system administration
5.0(3)CWISA Wireless IoT Solutions Administrator
5.0(3)Essential Carrier Ethernet course
5.0(3)Managing networks with HP OpenView
5.0(3)Penetration testing and Ethical Hacking
5.0(3)