Tech Lead - Packet Core Testing

Role overview

Tech Lead - Packet Core Testing at Sterlite Technologies

Job Title: Packet Core Test Engineer Exp : 7+ years

Required qualifications

• Minimum 7-10 years of demonstrable professional experience, very good hands on and working level knowledge of any Vendor Packet Core nodes, SGSN-MME, GGSN (SGW/PGW), EPDG etc.
• Mandatory Hands-on Exp on Nokia CMM/CMG Deployments & Upgrades.
• Test/ Validation of nodes like eMBB , FWA, CFWA, 5G-SA services �for 4G and 5G
• � � � � Good understanding of EPC, VoLTE, Vo-Wifi solutions and call flows.
• Having knowledge of 5G SA various architecture, services like FWA, IOT/ Slicing Multi-party vendor node integration Exp in Live N/W touch Activities in Maintenance windows Knowledge of GSM, SS7, Sigtran, TCP/IP, S1AP, RANAP, SCCP, SCTP, Iu-PS, BSSGP, GTP and Diameter protocol.
• Good Understanding of Packet Core surrounding Nodes (PCRF, AAA, DNS, Charging).
• Analyze and plan customer requirements and ensure flawless execution of changes.
• Familiar with critical PACO & VoLTE Network KPIs.
• Good understanding of Diameter Interfaces & Error Codes.

Employment details

• Location : Noida / Chennai - Hybrid Roles and Responsibilities Ensure smooth operation of the GSM/UMTS/LTE/VO-LTE specific Packet Core Network.
• Be part of a team specific PCN Network activities associated with Mobile GSM/UMTS/LTE/VO-LTE Network.
• Be responsible for Administrate PCN and Support Systems.
• Be responsible for planned Maintenance (Health Checks, Backups etc.).
• Be responsible for problem Escalations and Follow-ups (CSR).
• Be responsible for Performance Analysis & Investigation.
• Provide technical guidance to Care team engineers to avoid/minimize troubleshooting challenges.
• Work cooperatively with various internal teams to ensure that customer support issues are dealt with in a timely manner and in-line with expectations for any project/support work that rely on it.
• Partnering with regional Care teams to share best practices & implement best practices.
• Contribute to Continuous Excellence initiatives to improve Care effectiveness & efficiency, Product improvement and Customer experience improvement.
• Develop strong relationships with our customer teams and end customers. 24x7 Emergency support for Critical issues and occasional shift-work based off customer needs.
• Location: Bangalore [India]