Lead Telecom Engineer

Overview

Job Title:
Senior Network Voice Engineer

Job Description

Skills: QoS, Cisco Unified Communications, SIP Protocol, Wireshark, Solar Winds/Manage Engine, Voice Over IP (VoIP), Cisco Webex, Cisco Routers

• Deploy and configure Cisco Unified Communications Manager (CUCM), Unity Connection, UCCX, CUBE, and SIP trunking.
• Implement voice gateways, dial plans, QoS policies, and session border controllers (SBCs).
• Integrate Microsoft Teams, Zoom Phone, or other cloud-based telephony solutions.
• Troubleshooting & Support (L2/L3):
  Resolve call routing issues, codec mismatches, latency, jitter, and packet loss in VoIP networks.
• Debug SIP, H.323, MGCP, and RTP/RTCP protocols using Wireshark, SIPp, or other tools.
• Provide L2 escalation support for voice-related incidents and outages.
• Monitoring & Optimization:
  Monitor voice quality metrics (MOS, Jitter, Latency) using tools like Solar Winds, Cisco Prime, or IR Prognosis;
  Optimize QoS policies for voice traffic prioritization;
  Perform capacity planning and upgrades for VoIP infrastructure.
• Security & Compliance:
  Implement voice security measures (TLS, SRTP, firewall policies for VoIP);
  Ensure compliance with PCI-DSS, HIPAA, or other regulatory standards (if applicable).
• Collaboration & Documentation:
  Work with network, security, and cloud teams for cross-functional projects;
  Maintain network diagrams, SOPs, and change management records.
• Provide 24/7 network and security support as required.

• Cisco UC Suite (CUCM, CUC, UCCX, CUBE, IMP)
• SIP, H.323, MGCP, RTP/RTCP protocols
• Voice Gateway Configuration (ISDN, PRI, FXO/FXS, SIP Trunking)
• QoS for Voice (DSCP, LLQ, AutoQoS)
• Experience with Cisco Jabber, Webex, and MRA deployments
• Troubleshooting with Wireshark, RTMT, etc.
• Session Border Controllers (Audio Codes, Oracle SBC, Cisco CUBE)
• Basic Networking (VLANs, Routing, Firewall ACLs for VoIP)
• Strong understanding of network infrastructure, design, and troubleshooting
• Excellent communication skills in English (both verbal and written)
• Ability to work efficiently in a team-oriented environment with high self-motivation
• A customer-focused mindset with strong delivery service ethics
• Good understanding of Monitoring tools such as Solar Winds, Grafana, Prometheus, Zabbix etc.
• Willingness to work in a 24/7 support window
• Good understanding of the ITSM processes

Education: Any IT-related degree

Range: 6 to 8+ years