Senior Manager_DATA CORE SPECIALIST - VOIS

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.

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.

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.

Concerned you may not meet every requirement? Vodafone is committed to creating an inclusive workplace where everyone can thrive. If you are excited about this role but your experience does not align exactly with every aspect of the job description, you are encouraged to apply. You may be the right candidate for this or another opportunity, and the recruitment team will support you in exploring where your skills fit best.

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.

Advanced Packet Core technologies and end‑to‑end data service architecture.Agile and DevOps methodologies applied to large‑scale telecom environments.Enhanced troubleshooting and root cause analysis skills.Cross‑functional stakeholder management and communication.Automation and cloud‑native network deployment practices.

Vodafone recognises and celebrates the value of diversity in building a workforce that reflects the customers and communities it serves. No form of discrimination is tolerated. This includes, but is not limited to, discrimination based on race, colour, age, veteran status, gender identity, gender expression, sexual orientation, pregnancy, maternity or parental status, ethnicity, disability, religion or belief, political affiliation, trade union membership, nationality, citizenship, indigenous status, medical condition, HIV status, neurodiversity, social origin, cultural background, marital or civil partnership status, or socio-economic background.

At Vodafone, we’re working hard to build a better future. A more connected, inclusive and sustainable world. As a dynamic global community, it's our human spirit, together with technology, that empowers us to achieve this.
We challenge and innovate in order to connect people, businesses, and communities across the world. Delighting our customers and earning their loyalty drive us, and we experiment, learn fast and get it done, together.
With us, you can be truly be yourself and belong, share inspiration, embrace new opportunities, thrive, and make a real difference.

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