Manager - TM - Voice Core Ops

Vodafone Idea Limited; Sahibzada Ajit Singh Nagar; On-site; INR 1,200,000 - 2,200,000; Full time

Job summary

Vodafone Idea Limited is expanding its Circle Core Field Ops team to ensure reliable PS Core services across the network. You will oversee operations, maintenance, and KPI-driven improvements for SGSN/MME, GGSN/PGW, PCRF, DNS, and related components.

The role requires 5–10 years of experience in 2G/3G/4G/LTE, CCNA, and a BE in relevant disciplines, with strong analytical and collaboration skills to drive uptime and performance for customers.

Qualifications

• In-depth knowledge of 2G/3G/4G/LTE with understanding of 5G NSA/SA architectures.
• Hands-on experience with core nodes: SGSN/MME, GGSN/PGW, PCRF, DNS.
• Troubleshooting PS Core, tracing logs, and analyzing call flows.

Responsibilities

• Ensure System Uptime and Regular Backups.
• Traffic migration and optimization based on reports.
• Coordinate with SNOC, Vendors and other functions for KPI restoration and node implementations.
• Periodic data barring and cache-related monitoring.
• Support for new integration and capacity expansions.

Skills

PS Core troubleshooting

Traffic monitoring

Alarm handling

Hardware maintenance

Education

BE (E&C, E&TC, Computers)

Tools

CCNA

Cloud Certification

Job description

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.

We're proud to be an equal opportunity employer. At VIL, we know that diversity makes us stronger. We are committed to a collaborative, inclusive environment that encourages authenticity and fosters a sense of belonging. We strive for everyone to feel valued, connected and empowered to reach their potential and contribute their best.

VIL's goal is to build and maintain a workforce that is diverse in experience and background but uniform in reflecting our Values of Passion, Boldness, Trust, Speed and Digital. Consequently, our recruiting efforts are directed towards attracting and retaining best and brightest talents. Our endeavour is to be First Choice for prospective employees.

VIL ensures equal employment opportunity without discrimination or harassment based on race, colour, religion, creed, age, sex, sex stereotype, gender, gender identity or expression, sexual orientation, national origin, citizenship, disability, marital and civil partnership/union status, pregnancy, veteran or military service status, genetic information, or any other characteristic protected by law.

VIL is an equal opportunity employer committed to diversifying its workforce.

Role

TM - Circle Core Field Ops (PS Core )

Job Level/ Designation

M1 - Manager/ Sr.Manager

Function / Department

COG/Cluster Core Ops

Location

Clusters

Job Purpose

Responsible for operations and maintenance of the PS Core elements deployed in the circle such as SGSN/MME, GGSN/PGW, PCRF, Gi/Gn DNS, Cache servers etc. KPI based Analysis, managing system uptime, perform regular O&M activities, Coordination with different functions and supporting Business deliverables will be the key focus points.

Key Result Areas/Accountabilities

• Ensure System Uptime and Regular Backups
• Traffic migration and optimisation based on report analysis
• Responsible for alarm clearance in the PACO nodes in coordination with respective functions
• Ensure timely system upgrades of packet core nodes and support capacity expansion
• Execute periodic preventive maintenance activities.
• Traffic report analysis and initiative to improve KPIs
• Hardware support for PS –Core nodes.
• Active participation in each of fault and outage condition, value addition for faster resolution of the fault and minimize the impact
• Coordination with Vendors/PMS/COG/other functions for KPI restoration/analysis and new node implementations.
• Resolve all data related complaints with in TAT including NR / IR DATA roaming complain
• Necessary CR raising, understand purpose of CR raised by CODE, detailed pre / post testing wrt changes performed
• Ensure necessary configuration as per the requirement and unwanted configuration deletion through CODE and SNOC
• RS&R, Spare Management and maintenance of related database.
• Support for new integration and capacity expansions. Application redundancy to be verified during Node HoTo.
• Trace analysis and provide solution
• Coordination with other operators for emergency ICR as per TRAI guidelines. Periodic testing of ICR.
• Periodic Data Barring with eKYC/DKYC Testing.
• Caching traffic trend monitoring, raise to SNOC and caching partner for any deviation.
• Field support for attending all caching related HW faults, replacement
• Periodic check, maintain and improve physical hygiene of all PACO nodes and related cabling

Core Competencies, Knowledge, Experience

• In depth knowledge on 2G/3G/4G/LTE network. Good understanding of 5G NSA and SA architecture
• In-depth understanding and hands on working experience on various core nodes like SGSN/MME, GGSN/PGW, PCRF, DNS etc
• Command level knowledge for Trouble shooting PS core issues and capturing different traces/logs.
• Clear understanding of all types of call flows related to PS Core and basic understanding for VOLTE.
• Knowledge in traffic monitoring tools, wire shark tool.
• Basic understanding of Cloud and IP infra.
• Trace analysis and troubleshooting skills including knowledge of various protocols like GTP, Diameter , MAP, FTP, SSH, Diameter etc.
• Knowledge in cloud architecture will be an added advantage
• Should be Good team player and should have good communication skills.
• Analytical, Reasoning and logical thinking skills
• Positive Attitude towards problem solving, learning new things, adopt changes

Must Have Technical / Professional Qualifications

BE (E&C, E&TC, Computers)

CCNA certification, Cloud Certification (will be a plus),

Years of Experience

5-10 years of experience.

Vodafone Idea Limited (formerly Idea Cellular Limited)