Quality E2E & Core Performance Lead (Mobile Core Network)

Location: London or Newbury, United Kingdom; hybrid work with office attendance 2–3 days per week and at least 8 days per month.

Company

hirify.global is building and enhancing a UK mobile network, connecting people and businesses across the country.

What you will do

• Act as the mobile core network performance subject matter expert within the NQCXI department, helping prioritize actions that improve customer experience and support network marketing claims.
• Represent NQCXI in Networks engineering forums, communicate ongoing core network activities, and provide impact analysis to stakeholders.
• Lead analysis of mobile core performance deviations affecting customer experience and network benchmarking results.
• Conduct end-to-end trace analysis of critical customer and network issues, identify root causes, and drive resolution.
• Provide regular mobile core network performance reporting and support mobile network benchmarking and supplier performance initiatives.
• Provide technical leadership and mentoring to junior analysts and mobile performance reporting teams.

Requirements

• Deep understanding of mobile core network architecture and performance monitoring.
• In-depth knowledge of 2G/GSM, 3G/UMTS, 4G/LTE, and 5G NR, with a focus on mobile core architecture including IMS, MMEs, and GiLAN chains.
• Expertise in mobile core optimization techniques, including TCP optimization and traffic shaping.
• Knowledge of mobile performance KPIs including CSSR, DCR, throughput, latency, and coverage metrics, and their relationship to customer experience indicators such as rNPS.
• Ability to translate complex technical models and performance insights into clear narratives for technical and non-technical audiences.
• Experience mentoring technical teams and guiding junior analysts and reporting teams in analytical best practices, model development, and performance interpretation.
• Strong stakeholder engagement and cross-functional collaboration skills.

Culture & Benefits

• Hybrid work with flexibility to coordinate office attendance with the line manager and team.
• Basic salary plus bonus and Vodafone benefits.
• Up to 28 days of annual leave plus bank holidays and paid charity-work time.
• Benefits including discounts, vouchers, a pension plan, parental leave, and learning tools.
• Inclusive workplace focused on collaboration, belonging, and accessibility.

Hiring process

• Offers are subject to criminal background checks, including DBS, and financial checks.
• Reasonable adjustments and accessibility support are available during the recruitment process.