Convox SBC Support Engineer

Bajaj Finance · Pune

  • Experience6–8 yrs
  • SalaryDisclosed
  • Work modeonsite
  • Levelsenior
  • Posted11 Sept 2026
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About Bajaj Finance

Bajaj Finance is hiring in Pune in financial services. This role looks for around 6+ years of experience.

Skills

  • Session Border Controllers
  • SIP
  • SIP trunks
  • SIP routing
  • PBX
  • FreeSWITCH
  • Kamailio
  • Wireshark
  • sngrep
  • TLS/SRTP
  • access control
  • DDoS protection
  • firewall integration
  • disaster recovery

The role

A Session Border Controller support engineer at a financial services company configures SIP trunks, maintains SIP routing, and troubleshoots Wireshark traces while securing voice connectivity with TLS/SRTP.

Full job description

1.SBC Administration o Configure, manage, and maintain Session Border Controllers (SBCs) to ensure secure and reliable SIP communication.

2. SIP Trunk Management o Configure and support SIP trunks with multiple telecom providers, ensuring seamless inbound and outbound call connectivity.

3. Call Routing & Interoperability o Design and maintain SIP routing, dial plans, and interoperability between SBCs, PBXs, FreeSWITCH, Kamailio, and carrier networks.

4. Monitoring & Incident Management o Monitor SBC health, call traffic, and alarms, and resolve SIP signaling, registration, and media-related issues within SLA.

5. Performance & Capacity Management o Optimize SBC performance, monitor CPS (Calls Per Second) and concurrent sessions, and perform capacity planning to support business growth.

6. Security Management o Implement SIP security policies, TLS/SRTP, access control, fraud prevention, DDoS protection, and firewall integration.

7. High Availability & Disaster Recovery o Maintain SBC redundancy, failover mechanisms, and disaster recovery readiness to ensure uninterrupted voice services.

8. Troubleshooting & Root Cause Analysis o Analyze SIP traces, packet captures, and call logs using tools like Wireshark and sngrep to identify and resolve complex issues.

9. Change & Configuration Management o Execute configuration changes, software upgrades, patches, backups, and maintain documentation as per change management processes.

10. Collaboration & Vendor Coordination o Work closely with telecom operators, network teams, cloud teams, and application teams to resolve connectivity issues and support new integrations.