Location
London OR Newbury + Hybrid
Salary
Excellent basic salary plus bonus and Vodafone benefits
Working Hours
Full time 37.5 hours per week – Monday to Friday
Hybrid Working
We believe that through collaboration and connection with our colleagues we can achieve great things. Our hybrid working approach allows our people to work both in the office and at home, providing the flexibility and resources you need to succeed in your role. We don’t require you to be in on specific days; instead, we ask people to come into the office 2-3 days each week, for at least 8 days per month. You should work with your line manager to understand what their expectations are for you, your specific role and your team.
What you’ll do
We’re creating something special. We are joining forces to create the biggest mobile network provider in the UK. Through our collective strengths and talents, we will transform customers’ experience and create a best‑in‑class network for coverage, connectivity, and reliability, delivering greater value and more choice for the nation than ever before. This is a role within Mobile Network Quality function, ensuring mobile core network performance trends are improving, delivering positive customer experience and enabling benchmarking marketing claims. It drives root cause analysis of the most critical E2E customer issues. It requires strong technical insight and analytical capability. It assures stakeholder confidence through regular core performance reporting.
- Act as the subject matter expert on mobile performance, specialized in core aspect of it, within NQCXI department, enabling effective prioritization of wider Networks department actions to improve customer experience (rNPS) and achieve marketing claims (UK’s Best Network, etc.)
- Represent NQCXI department in Networks engineering forums, building strong relationships, to provide timely information to NQCXI team on ongoing Core activities, and to provide impact analysis of said Core activities to everyone.
- Lead the analysis and provide regular insights into mobile core network performance deviations that impact customer experience and mobile network benchmarking results
- Conduct E2E trace analysis of critical customer and network issues to identify root causes and drive resolution.
- Provide regular mobile core network performance reporting to the wider Networks department
- Provide technical leadership and mentoring to junior analysts and mobile performance reporting teams within wider NQCXI department, fostering a culture of innovation and accountability.
- Support mobile network benchmarking and supplier performance initiatives with an end‑to‑end lens.
Who You Are
This role demands a mobile core network expert who can analyse complex performance data, optimise end‑to‑end network behaviour, and turn technical insights into clear, actionable guidance. The successful candidate will support informed decision‑making across the business while mentoring teams and strengthening cross‑functional collaboration.
- Deep understanding of Core network architecture and performance monitoring
- In‑depth understanding of mobile network technologies, including 2G (GSM), 3G (UMTS), 4G (LTE), and 5G NR, with a focus on mobile core network architecture (IMS, MMEs, GiLAN chains…) and performance characteristics.
- Expertise in mobile core optimisation techniques, such as TCP Optimisation techniques, traffic shaping, etc.
- Knowledge of key mobile performance KPIs, such as call setup success rate (CSSR), drop call rate (DCR), throughput, latency, and coverage metrics, and how they correlate with customer experience indicators like rNPS.
- Ability to translate complex technical models and performance insights into clear, compelling narratives, tailored for both technical and non‑technical audiences, enabling effective decision‑making across the business.
- Experience mentoring technical teams, with the ability to guide junior analysts and reporting teams in analytical best practices, model development, and performance interpretation.
- Strong stakeholder engagement and cross‑functional collaboration skills.
What we offer
We care about our people’s success by offering great pay, bonuses, up to 28 days off plus bank holidays, and paid time for charity work. You can personalise our benefits for you and your family, like discounts, vouchers, a pension plan and loads more. We help with your career through our amazing learning tools and top‑notch parental leave policies.
Need to Know
We are regulated by the Financial Conduct Authority and all offers of employment for this role are subject to background checks, including criminal (DBS) and financial checks to meet the regulator’s standards.
If you require any reasonable adjustments or have an accessibility request as part of your recruitment journey, for example, extended time or breaks in between online assessments, a sign language interpreter, or assistive technology, please refer to the Accessibility section of our Careers website: https://careers.vodafone.com/uk/applying-to-us/ for guidance.
We use AI in different parts of our business to boost innovation, improve efficiency, and create new opportunities. We know many candidates use AI to fine‑tune their CVs or prepare for interviews, but what we really care about is your unique experiences and achievements.
During the interview, we want you to rely on your own knowledge and skills to show us who you really are—your personality, creativity, and abilities. Above all, we’re looking for authenticity and can’t wait to get to know the real you.
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