Quality E2E & Core Performance Lead (Telco)

TL;DR

Quality E2E & Core Performance Lead (Telco): Ensuring mobile core network performance trends are improving and delivering positive customer experience with an accent on root cause analysis of critical E2E issues. Focus on optimizing end-to-end network behavior and translating technical insights into actionable business guidance.

Location: Hybrid (London or Newbury, UK)

Company

hirify.global is building a leading UK mobile network to connect people and communities through massive investment in 5G and digital infrastructure.

What you will do

• Act as the subject matter expert on mobile core performance to improve rNPS and achieve marketing claims.
• Lead the analysis of mobile core network performance deviations that impact customer experience and 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 and technical insights to the wider Networks department.
• Provide technical leadership and mentoring to junior analysts and reporting teams, fostering innovation and accountability.
• Support mobile network benchmarking and supplier performance initiatives from an end-to-end perspective.

Requirements

• Deep understanding of Core network architecture and performance monitoring.
• In-depth knowledge of mobile technologies: 2G (GSM), 3G (UMTS), 4G (LTE), and 5G NR, specifically IMS, MMEs, and GiLAN chains.
• Expertise in mobile core optimization techniques, including TCP Optimization and traffic shaping.
• Strong knowledge of mobile performance KPIs (CSSR, DCR, throughput, latency) and their correlation with rNPS.
• Ability to translate complex technical models into clear narratives for both technical and non-technical audiences.
• Experience mentoring technical teams and guiding analysts in analytical best practices and model development.

Culture & Benefits

• Competitive basic salary plus bonuses and hirify.global benefits.
• Hybrid working model: office attendance 2-3 days per week (minimum 8 days per month).
• Generous leave policy with up to 28 days off plus bank holidays.
• Personalized benefit options for employees and families, including discounts and pension plans.
• Paid time for charity work and access to advanced learning tools.
• Inclusive workplace culture with top-notch parental leave policies.