-Responsible for System Support and NOC activities, having good understanding of Linux Operating Systems. The Major active services are of VoIP and SMS GATEWAY. -Form installation to development skills on Asterisk (VoIP service) and Kannel (SMS Gateway). -VoIP skills includes from installation to management on Asterisk , Dahdi configuration for E1/PSTN cards and dahdi tools, dial plan development, IVR making, call routing through SIP trunks. CDR generating and monitoring over the configured Database. -Skill over SMS gateway includes SMS traffic by using SMPP protocol and HTTP SMSCs connections, daily record monitoring, runtime issue detection and solution. -Monitoring alerts configuration by using monit alarms. Also server management skills over Apache, Redis , Mysql -Network traffic monitoring by using traces, tools used are tshark and wireshark for trace analysis. -Database management on MySQL and Redis database, skills that includes master to slave replication on MySQL for data backup process, rsync for data synchronization. -Also from installation to managing the Software development management tool like Gitlab repositories. -Scripting skills on BASH, PHP less