Job Description

Job Req ID: 44445
Location:
Kolkata, IN
Function: Technology/ IOT/Cloud
About:
Vodafone Idea Limited is an Aditya Birla Group and Vodafone Group partnership. It is India's leading telecom service provider. The Company provides pan India Voice and Data services across 2G, 3G and 4G platform. With the large spectrum portfolio to support the growing demand for data and voice, the company is committed to deliver delightful customer experiences and contribute towards creating a truly 'Digital India' by enabling millions of citizens to connect and build a better tomorrow. The Company is developing infrastructure to introduce newer and smarter technologies, making both retail and enterprise customers future ready with innovative offerings, conveniently accessible through an ecosystem of digital channels as well as extensive on-ground presence. The Company is listed on National Stock Exchange (NSE) and Bombay Stock Exchange (BSE) in India.



Role



TL - Circle Core Field Ops (VoLTE)





Job Level/ Designation

AGM / DGM





Function / Department



COG / Cluster Core Ops





Location



West Bengal





Job Purpose



Responsible for operations and maintenance of the IMS Core (VoLTE) elements deployed in the circle such as SBC, TAS, CFX, iNUM , MRFP , MGCF etc





Key Result Areas/Accountabilities



• Uptime -Ensure 99.999% uptime of all VOLTE NEs (SBC, TAS, CFX, iNUM) nodes and service.
• Alarms, Fault and Outage handling - Ensure restoration of outages / emergencies in shortest possible time, minimize impact of outage on service by identifying and taking action like implementing work around, temp traffic diversions. Immediate action and resolution of all types of HW, SW faults and alarms; drive preventive maintenance tasks.
• RS&R management - ensure repair of all HW including Cloud & Cloud IP infra within TAT, zero RNP cards.
• Redundancy - Ensure 100% redundancy and resiliency for all types of core nodes and its connectivity, review it periodically and suggest for required changes
• Backup - 100% compliance of Core node back up policy and ensuring availability of back up all the time for any emergency handling.
• Traffic routing - Implement optimal and efficient routing of all types of calls as per design.
• Customer complaint handling - Ensure immediate action of all types of customer complains related to VOLTE & VOLTE roaming, detailed investigation and proper resolution.
• Change implementation and testing - Ensure accurate implementation of all types of changes, judge impact of changes, pre / post service confirmation for each of the change including KPI tracking and impact analysis
• Upgrade - Drive SW version and patch upgrades of Core nodes, new feature testing
• Field support - Extending support to central teams for new roll out including software upgrade and technical testing. Field resource alignment for any on-site activities for VoLTE platform HW and new feature testing.
• KPI Analysis & improvement - Monitoring of all types of core KPIs like: SBC - RSR, SRVCC SR, % SRVCC, Packet loss, TAS - CSSR, RSR, CST, %TADS, SRVCC SR, ASR, CFX - RSR, all types of TAS Clear Codes, SIP Errors, Maintain all KPI above benchmarked values and work for its improvement
• Trace Analysis - Trace capturing, analysis for resolution of various types of issue
• Fault management - As a SME ,lead the team in resolving all types of alarms / faults, problems, trace analysis, KPI improvement etc
• Inventory Management: - Ensure latest update on inventory in terms of location, HW, SW, Capacity etc & scrapping of non-live inventory
• Team management & Training - Mentor all team members , enhance their technical and behavioral skills, keep them positively engaged and motivated, challenge them to bring best out of each individual



C ore Competencies, Knowledge, Experience



• In-depth understanding and hands on working experience on various core nodes like SBC, TAS, CSCF, iNUM, MRFP.
• Command level knowledge of all types of configuration of these network elements like Nokia / Mavenir - SBC, TAS, CSCF, iNUM, MRFP
• Clear understanding of all types of VOLTE call flows for VOLTE, CS Core, VoLTE Roaming, MNP, eSRVCC.
• Good understanding of basic PACO call flows.
• Understanding of TAS and CFX configuration , Databases
• Basic understanding on IP devices like routers & switches and IP protocols
• Trace analysis and troubleshooting skills including knowledge of various protocols like SCCP, MAP, BICC, SIP, and Diameter.
• Knowledge of 5G Core - NSA and SA mode of working, Telco cloud architecture.
• Good team handling, communication - written and verbal, presentation skills.
• Analytical, Reasoning and logical thinking skills
• Positive Attitude towards problem solving, learning new things, adopt changes



Must have technical / professional qualifications



BE/B Tech (Electronics and Telecommunications) with 8-10 years of relevant experience.





Vodafone Idea Limited (formerly Idea Cellular Limited)

An Aditya Birla Group & Vodafone partnership