Job Title: Network TAC Engineer / VOIP Support (24x7)
Client: Leading USA Telecom & Managed Service Provider
Location: [Specify Location]
Job Type: Full time / Shift-based (24x7 Support)
Job Summary:
We are seeking a skilled Network TAC Engineer/VOIP Support professional to provide high-quality technical support for Voice over Internet Protocol (VoIP) services. The ideal candidate will interact with US-based enterprise clients/customers, troubleshoot VoIP infrastructure issues, configure SIP trunking, and resolve critical network-related problems. This role requires expertise in VoIP systems, SBC, IP-PBX, call routing, and Unified Communications troubleshooting.
Key Responsibilities:
Technical Support & Troubleshooting:
- Provide L2/L3 technical support to enterprise customers for VoIP services.
- Configure and troubleshoot SIP Trunking customers in Session Border Controllers (SBCs), including DID and Pilot number configuration.
- Deploy, configure, and troubleshoot VoIP infrastructure, including IP-PBX systems, gateways, SBCs, and soft switches.
- Configure voicemail accounts,
auto-attendants, call queues, dial plans, and call routing.
- Diagnose and resolve issues related to voice quality, call routing, call drops, echo, jitter, and latency.
- Troubleshoot Netsapiens & Cisco BroadWorks/BroadSoft Unified Communications (UC) issues.
- Handle Polycom, Yealink, Grandstream, Cisco ATA, Adtran routers, PSTN, SIP trunking, and analog lines.
- Work on Hosted PBX, On-premises IP telephony platforms, Unified Communications solutions, Unified Contact Center Enterprise, MS Teams direct routing, and cloud telephony solutions.
- Block unauthorized IPs, detect and prevent DoS attacks using NOM, Fail2Ban alerts.
- Troubleshoot Softphone, Toll-Free, DID, SD-WAN, Firewalls, QoS, COS, RTP, SIP codecs.
- Resolve IP circuit, Ethernet circuit, and SD-WAN issues.
- Perform ADTRAN router backups via CLI.
Monitoring & Escalations:
- Monitor network performance and voice quality using key
📌 Network TAC Engineer (Pune)
🏢 VLaunchU
📍 Pune