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Vodafone Logo Vodafone · IT - Software Development

Senior Manager Data Core Specialist

India, Bangalore · Job Posted March 04, 2026
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Job Description

We are seeking a highly skilled individual to provide second-line support for Packet Core and IMS technologies, ensuring the availability, stability and performance of mobile data services across 2G, 3G, 4G, 5G and Wi-Fi. The role focuses on operational excellence, incident resolution, proactive service assurance and the delivery of strategic projects within Vodafone’s mobile data network. This position offers strong exposure to next-generation technologies including 5G SA, Cloud, Automation, Containerisation and CI/CD methodologies.

Job Responsibility

  • Deliver new products and services by defining support requirements, testing new elements and ensuring stability during deployment
  • Lead change management activities, including scheduling and implementation of planned work, sometimes outside business hours
  • Resolve service and system failures by supporting incident management, executing root cause analysis and ensuring timely restoration of services
  • Conduct proactive health checks, routine maintenance and improvement initiatives to enhance network reliability and performance
  • Liaise with external support partners, ensuring permanent fixes and SLA compliance
  • Share knowledge across teams through mentoring, training and documentation
  • Monitor KPIs, troubleshoot performance concerns and protect service availability
  • Collaborate cross‑functionally to resolve customer-impacting issues and drive continuous improvement
  • Support your manager by acting as a technical focal point for operational queries and high‑priority escalations
  • Work on mission-critical systems such as GGSN, SGSN, SPGW, MME, Diameter Gateway, PCRF, PCEF, RADIUS and Access Control Filters

Requirements

  • Strong knowledge of Packet Core systems, standards and call flows
  • Skilled in troubleshooting, statistical analysis and mobile network concepts
  • Experienced in Linux/Unix administration and packet‑switched network technologies including Routing & Switching, TCP/IP, BGP, HTTP, Diameter, MPLS, Radius and GTP
  • Proficient with Wireshark and familiar with network security techniques including IPSec and firewalls
  • Demonstrates excellent communication, time management and a growth mindset
  • Holds a Bachelor’s degree in Telecommunications, Electronics or Computer Engineering, with 10–15 years’ experience in Mobile Data or Connected Services
  • Certifications such as CCNA/CCNP preferred, along with exposure to VMware platforms and Ericsson/Cisco Packet Core products
  • Experienced in operational support for complex, mission‑critical systems and large installations

What we offer

  • Opportunities to develop expertise across 5G SA, Cloud, Automation, Containerisation, and CI/CD environments
  • Exposure to diverse technologies across a highly complex, mission‑critical mobile data network
  • Collaboration with cross‑functional teams and global stakeholders
  • A culture that supports continuous learning, innovation and personal development
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