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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