Manager - Voice Core Ops

Vodafone Idea; Pune District; On-site; INR 1,800,000 - 2,400,000; Full time

Job summary

Vodafone Idea Limited in Pune is seeking a seasoned TM - Voice Core Ops Manager/Sr. Manager to oversee operations and maintenance of CS Core elements including MSS, MGW, LD nodes and Nokia IMS VolTE Core.

You will drive KPI-based uptime, manage outages, coordinate with cross-functional teams, and support smooth network evolution with upgrades and new product implementations. The role requires 5-7 years of relevant experience, strong analytical and communication skills, and a proactive approach

Qualifications

• BE/BTech in Electronics & Telecommunications with 5–7 years of experience.
• Hands-on with CS core nodes (MSS, MGW, LD) and Nokia IMS VolTE.
• Strong knowledge of call flows (SCCP, SIP, ISUP) and roaming.
• Good communication skills.

Responsibilities

• Ensure 99.999% system uptime and regular backups.
• Coordinate alarm clearance and vendor interactions.
• Traffic routing and KPI-based optimization.
• Upgrade MSS/MGW/HLR-HSS and NL D-ILD nodes; support capacity expansion.
• Coordinate changes with KPI tracking and impact analysis.
• Perform routine preventive maintenance and report generation.

Skills

Core nodes expertise

Nokia IMS VolTE

SCCP routing

Wireshark analysis

Cloud & IP infra

Diameter protocol

Team collaboration

Analytical skills

Education

BE/BTech electronics & telecommunications

Tools

Wireshark

Job description

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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 - Voice Core Ops

Job Level/ Designation

M1 - Manager/ Sr.Manager

Function / Department

COG / Cluster Core Ops

Job Purpose

Responsible for operations and maintenance of the CS Core elements deployed in the circle such as Nokia, Ericsson, Huawei MSS, GCS, MGW/GMGW,HLR-HSS including NLD/ILD Nodes including Nokia IMS VolTE Core. 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 99.999% System Uptime and Regular Backups
• Responsible for alarm clearance in the nodes in coordination with respective functions
• Traffic Routing and optimization based on report analysis
• Ensure timely system upgrades of MSS/GSC/MGW/GMGW/NLD-ILD nodes/HLR-HSS and support capacity expansion including Nokia IMS VoLTE Core.
• Offloading the old nodes
• Acceptance testing for new connectivity’s , RA/IT clearance
• Routine preventive maintenance for CS Core/LD core nodes
• Traffic report analysis and initiate actions to improve KPIs
• Hardware support for CS-Core/LD nodes, Spare Management and related database updating and tracking
• Coordination with Vendors/PMS/COG/INM/CHM/CODE/other functions for KPI restoration/analysis/Changes and new product Implementations
• Resolve customer complaints with in TAT (including support for VI enterprise solutions - SIP , PRI etc)
• 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.
• Perform KPI analysis and optimization
• HLR/HSS support including management of profiles and Database
• Report preparation and new sim key file generation

Core Competencies, Knowledge, Experience

• In-depth understanding and hands on working experience on various core nodes like MSS, MGW, LD nodes and knowledge in handling Nokia IMS VolTE, Roaming configurations and SCCP/Code routings
• Command level knowledge of configuration in CS core Nodes of different vendors
• Clear understanding of all types of call flows for CS Core and VOLTE.
• Experience with tool like Wireshark and protocol analyzer
• Basic understanding of Cloud and IP infra
• Trace analysis and troubleshooting skills including knowledge of various protocols like ISUP, SCCP, MAP, BICC, SIP, and Diameter.
• Knowledge in Telco 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/B Tech (Electronics and Telecommunications) with 5-7 years of relevant experience.

Vodafone Idea Limited(formerly Idea Cellular Limited)
An Aditya Birla Group & Vodafone partnership

Vodafone Idea Limited (formerly Idea Cellular Limited) An Aditya Birla Group & Vodafone partnership