Requirements:
• Minimum of 3 years' experience (networking and VoIP) required, 5 years preferred
• Excellent verbal and written communication skills
• Working knowledge of T, SIP
• Knowledge of Linux (CentOS, Debian): Security, Bash, T, High Availability, Package management (yum, apt)
• Experience with Asterisk with AGI and customized PBX.
• Experience with Freeswitch and AGI and customized PBX.
• Experience with VOIP gatewa like OpenSips a Kamailio.
• Hand on experience with Mysql Database.
• Programming skills in bash, perl, php, python
• Understanding of NAT, PAT, Firewall issues as they relate to VoIP
• Experience in interfacing with call routing / rating / billing systems
• Strong interpersonal skills, positive attitude, work well in teams
• Ability to write scripts in Perl, PHP, Python and bash
Job Responsibilities:
• Understand how all Telephony services work and how they are integrated to the platform.
• Operate, maintain, expand and support SIP proxies based on Kamailio or OpenSIPS applications.
• Develop new functionality with currently deployed solutions.
• Handle level 3 troubleshooting escalations and triaging.
• Analyze telephony traffic patterns and identify issues and anomalies.
• React to critical alerts in order to rapidly return to a full-service state.
• Troubleshoot and resolve voice and network protocol communication issues.
• Design, build, test, deploy and maintain monitoring, alerting, QA and logging tools for Telephony applications.
• Coordinate system maintenance and deployment events.
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