Senior Network Operation Voice Engineer

5 days ago


Gurgaon, Haryana, India Capgemini Full time ₹ 15,00,000 - ₹ 25,00,000 per year

About The Role  

7+ years of hands-on VoIP engineering experience, with a strong focus on carrier SIP trunking and interoperability.

Expert-level knowledge of SIP signaling (INVITE, BYE, REGISTER, re-INVITE, UPDATE, PRACK, REFER, etc.), SDP negotiation, RTP/RTCP, and SIP headers.

Proven ability to troubleshoot complex SIP interoperability issues across different carrier platforms and SBCs.Strong experience with Session Border Controllers (SBCs) and SIP proxies (e.g., Ribbon, AudioCodes, Oracle/Acme Packet, OpenSIPS,Kamailio, etc.).

Proficiency with diagnostic toolsWireshark, sngrep, Homer/HEP, SIPp, Empirix, etc.

Solid networking knowledgeIP, DNS, subnetting, VLANs, routing protocols.

Strong Linux administration skills for VoIP applications and troubleshooting.

Excellent written and verbal communication skills.

About The Role - Grade Specific 

Focus on Industrial Operations Engineering. Develops competency in own area of expertise. Shares expertise and provides guidance and support to others. Interprets clients needs. Completes own role independently or with minimum supervision. Identifies problems and relevant issues in straight forward situations and generates solutions. Contributes in teamwork and interacts with customers.



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