Lead System Engineer-Oracle SBC

Key Responsibilities

• Architecture & Design: Define and implement SBC and ECB solutions for SIP trunking, voice routing, and interconnects with UC platforms (Microsoft Teams, Trading Telephony, etc.).

• Configuration & Management: Deploy and maintain Oracle SBC/ECB appliances and virtual instances; manage SIP profiles, routing policies, codecs, and security settings.

• Voice Integration: Enable Direct Routing/voice interconnect for Microsoft Teams, PBX systems, and carrier SIP trunks.

• Security & Compliance: Implement TLS/SRTP, encryption, fraud prevention, and regulatory compliance (E911).

• Performance & Monitoring: Ensure QoS, monitor call quality, troubleshoot SIP signaling/media issues, and optimize SBC performance.

• Automation: Develop scripts for provisioning, reporting, and configuration management.

• Incident & Change Management: Lead root cause analysis, major incident resolution, and controlled change rollouts.

• Documentation & Governance: Maintain HLD/LLD, SOPs, and compliance documentation; enforce voice governance standards.

• 10+ years in voice engineering; 5+ years with Oracle SBC/ECB in enterprise or carrier environments.

• Expertise in:

  • Oracle SBC/ECB configuration, HA clustering, and virtualization.

  • Hands on experience in Enterprise Operations Monitoring (EOM) tool

  • SIP protocol, signalling flows, codecs (G.711, G.729, Opus), and media handling.

  • Integration with UC platforms (Microsoft Teams Direct Routing, Trading Telephony).

  • Security: TLS/SRTP, certificates, DoS protection, fraud prevention.

  • QoS, DSCP, NAT/firewall traversal, and network optimization for real-time media.

• Strong troubleshooting skills using SIP traces, logs, and diagnostic tools.

• Proficiency in automation scripting (Python, Shell, or similar).

• Familiarity with ITIL processes and enterprise change management.

• Preferred certifications: Oracle SBC Specialist, SIP/VoIP certifications, Microsoft Teams Voice Engineer.

• Analytical & detail-oriented with strong problem-solving skills.

• Customer-focused mindset ensuring high-quality voice experience.

• Collaborative leader who mentors and drives best practices.

• Adaptable to evolving technologies and carrier requirements.

• Clear communicator for technical and executive audience

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