About the Company
Here is a professional (JD) for Ribbon SBC (Session Border Controller) – Infrastructure Support role, tailored for enterprise telecom / UCC environments:
About the Role
We are looking for a skilled Ribbon SBC Engineer to support, manage, and optimize Session Border Controller infrastructure within a complex enterprise/UCC setting. The role involves L2/L3 support, troubleshooting, configuration, and maintenance of Ribbon (Sonus) SBC platforms to ensure high availability, security, and performance of voice services.
Responsibilities
- Operations & Support
- Provide L2/L3 support for Ribbon SBC (Sonus SBC 1000/2000/5000 series)
- Monitor system performance, availability, and capacity of SBC infrastructure
- Handle incident management, problem management, and service requests
- Perform root cause analysis (RCA) for voice and signaling issues
- Ensure adherence to SLA/KPI compliance
- - Configuration & Implementation
- Configure and manage: SIP trunks, dial plans, routing policies
- Transformation tables (SIP header manipulation)
- TLS/SRTP configurations for secure communication
- Support new deployments, migrations, and upgrades
- Integrate SBC with: Microsoft Teams (Direct Routing), Skype for Business / Lync, CUCM / other PBX platforms
- - Troubleshooting
- Diagnose issues related to: SIP signaling (INVITE, REGISTER, BYE flows)
- Call failures, one-way audio, call drops
- Codec mismatches and media negotiation (RTP/SRTP)
- Use tools like: Ribbon SBC logs & traces, Wireshark / packet captures
- Work with carriers/vendors for end-to-end issue resolution
- - Security & Compliance
- Implement and maintain: SBC security policies
- Access control and firewall configurations
- Ensure compliance with: Enterprise security standards, Telecom best practices
- - Automation & Optimization (Good to Have)
- Involve in automation of routine activities
- Support scripts for configuration backup, health checks
- Continuous improvement of voice infrastructure
Qualifications
Technical Skills
- Hands-on experience with Ribbon SBC / Sonus SBC
- Strong understanding of: SIP protocol & VoIP architecture, RTP/SRTP, TLS
- Voice codecs (G.711, G.729, Opus)
- Experience in Microsoft Teams Direct Routing is highly preferred
- Knowledge of: Networking basics (TCP/IP, DNS, NAT, VLANs), Firewall and load balancing concepts
Required Skills
- Ribbon SBC management tools
- Wireshark / SIP trace utilities
- Monitoring tools (SolarWinds, Nagios, etc.)
Preferred Skills
- Strong troubleshooting and analytical skills
- Good communication skills (customer-facing role)
- Ability to handle high-priority incidents and escalations
- Team collaboration and cross-functional coordination
📌 Consultant (Noida)
🏢 HCLTech
📍 Noida