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Vodafone Logo Vodafone · IT - Administration

Core Network Operations Engineer (1st Line)

India, Bangalore · Job Posted June 09, 2026
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Job Description

We are seeking a Core Network Operations Engineer (1st Line) to support 24x7 network monitoring and incident management within the INOC function in Bangalore. This role is responsible for first-level network operations, ensuring high availability across voice and data core networks, including 2G, 3G, LTE and 5G technologies. The individual will play a critical role in detecting, diagnosing and resolving incidents or escalating them as required, ensuring service reliability and adherence to SLAs and KPIs.

Job Responsibility

  • Perform NOC shift activities, following defined operational routines and processes
  • Monitor network alarms and events to proactively detect incidents
  • Correlate alarms to identify issues and initiate incident registration
  • Manage the full incident lifecycle, from detection through to closure
  • Troubleshoot and resolve issues remotely or escalate to relevant teams when required
  • Ensure timely and accurate incident escalation based on impact and priority
  • Dispatch incidents to internal teams, suppliers, or external partners where appropriate
  • Operate and maintain Voice and Data Core Networks and charging systems across 2G, 3G, LTE, and 5G (including VNF/containerised environments)
  • Support service desk operations including call handling, ticket creation, and email communications
  • Coordinate with field technicians for fault resolution support
  • Follow up on ongoing incidents, alarms, and pending tickets to ensure resolution
  • Maintain consistency checks of network inventory databases and report discrepancies
  • Ensure adherence to SLA, KPI, and escalation processes at all times

Requirements

  • Graduate in Telecommunications or a related discipline
  • Experienced in telecommunications operations or similar technical roles
  • Knowledgeable in GSM, UMTS, LTE and 5G Core Technologies
  • Familiar with virtualisation and containerisation technologies
  • Understanding of ITIL Incident Management processes
  • Comfortable working in a technical IT applications environment
  • Able to communicate technical information clearly to non-technical stakeholders
  • Skilled in collaborating with internal teams, customers, and external partners
  • Capable of working effectively under pressure and during critical incidents
  • Demonstrates strong teamwork and ability to work in a shift-based environment
  • Proficient in written and spoken English
  • Exhibits a customer-focused mindset, prioritising service quality and responsiveness
  • Brings a proactive and solution-oriented approach to problem-solving

What we offer

  • Opportunity to work in a globally connected NOC environment supporting critical telecom infrastructure
  • Exposure to advanced core network technologies including 5G and virtualised networks
  • A collaborative and inclusive work environment
  • Hands-on experience in incident management and operational excellence
  • Continuous learning and professional development within a leading telecom organisation
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