VoIP Engineer

TL;DR

VoIP Engineer: Design, implement, troubleshoot, and maintain IP-based telecom and VoIP systems with an accent on network performance, QoS, and telecom infrastructure. Focus on managing VoIP traffic, resolving call quality issues, and integrating VoIP applications with other platforms.

What you will do

• Maintain and optimize network performance for telecom and VoIP systems ensuring high availability and minimal downtime.
• Implement and manage QoS to prioritize VoIP traffic over the network.
• Design, configure, and manage IP-based voice and data networks including LAN/WAN and VPN environments.
• Collaborate with IT, Security, and Helpdesk teams to ensure smooth operation of network and VoIP systems.
• Manage Session Border Controllers and media gateways for secure and reliable VoIP services.
• Configure and troubleshoot Kamailio, FreeSWITCH, and Asterisk to maintain robust VoIP services.

Requirements

• English: B2 level or higher required
• Experience: 3+ years in IP networking and telecom systems with focus on VoIP
• Hands-on experience with Kamailio, FreeSWITCH, and Asterisk.
• Strong knowledge of networking protocols (TCP/IP, SIP, H.323, RTP) and telecom systems (PBX, SIP trunks, SBCs).
• Experience with routers, switches, firewalls, and VPNs.
• Strong communication and documentation skills.

Nice to have

• Experience with containerized VoIP services and cloud-native telecom infrastructure.
• Developing automated monitoring and alerting solutions for VoIP systems.