basically I've studied Telecom Engineering, my first work was NOC Engineer in a WiMAX operator, then I've started new job as Linux System Administrator after that I've moved to a big telecom company as core network Engineer, my current job includes the below :
IP Network design, configuration and administration.
Packet-Switched Network design, configuration and administration (EPC).
Circuit-Switched Network design, configuration and administration (SS7 network).
Linux System Administration for nodes that is handling critical network services.
and as a hobby I've learnt Python and I've many live deployments running for my current company