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ORUS – San Salvador – VOIP Engineer with knowledge in VOIP Applications (Class 4 and Class 5 switches), such as: Freeswitch (FusionPBX), OpenSIPS, Asterisks, and others. You will be responsible for maintaining and supporting telecom networks, participating and working as a team with a Level 3 and Level 2 tech; with duties and responsibilities such as: – Manage and configure Class 4 and Class 5 switches – Oversee telephony traffic patterns and handle critical alerts – Troubleshoot and resolve voice and network protocol communication issues – Interface with partner organizations for interconnections and expansions – Implement and manage monitoring, logging, and alerting tools What we are looking for: – Degree in computer Science, Information technology, Telecommunications, and/or equivalent work experience. – Experience in SIP Protocol – At least 1+ Year experience with IP PBX Systems – Strong understanding of IP telephony (VoIP), TCP/IP Networks and related protocols (SIP, RTP, RTCP, ISUP, TLS…