RESPONSIBILITIES:Designing and implementing automated testsExecuting tests and reporting resultsPreparing and maintaining the test environmentAnalyzing reports and test outcomes, and recommending fixesMaintaining and updating test documentation REQUIREMENTS:Extensive hands-on experience with Python-based test automationProficient in EnglishGood grasp of standard call-processing flowsStrong foundation in networking and security principlesExcellent troubleshooting, debugging, and testing abilitiesCI/CD background, particularly with Jenkins NICE TO HAVE:Deep understanding of SIP/RTP/TLS protocols, media/codec negotiation, and core VoIP concepts; practical experience with Wireshark and the SIPP testing tool