VodafoneThree - Core Probing Lead

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

• Own and manage the core probing strategy and solutions for end-to-end service quality monitoring.
• Ensure continuous visibility of core network performance through advanced probing tools.
• Help with trace analysis of critical customer-impacting issues, identifying root causes and driving resolution.
• Collaborate with engineering, operations, and CX teams to address systemic performance issues.
• Maintain and optimise probing infrastructure, ensuring accuracy, reliability, and cost efficiency.
• Deliver regular insights and reports on core network performance trends and anomalies.
• Drive automation and innovation in probing and analysis processes.
• Manage vendor relationships and ensure compliance with SLAs for probing services.
• Support benchmarking and supplier performance initiatives with probing data.
• Contribute to continuous improvement in service quality assurance processes.

Who you are

The role requires a strong technical foundation in core network architecture and transport protocols, combined with hands on experience analysing network performance and service quality. You will apply structured analytical thinking to investigate issues, identify root causes, and drive continuous improvement across network performance, tooling, and processes. Strong collaboration skills are essential, as the role involves working closely with suppliers, internal engineering teams, and wider stakeholders to deliver effective outcomes.

• Deep understanding of core network protocols and architectures, including IP, TCP, UDP, TLS/SSL, HTTP/HTTPS, and QUIC.
• Proven experience using probing tools and methodologies to measure and assess service quality.
• Good knowledge of mobile network benchmarking practices and performance comparison techniques.
• Hands on experience with trace analysis (including pcap files) and fault/root cause identification.
• Excellent analytical and problem solving capability.
• Ability to manage suppliers and technical workstreams effectively.
• Strong stakeholder engagement and cross functional collaboration skills.
• Experience driving automation and process optimisation initiatives.

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.

Accessibility

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 () for guidance.

AI Usage

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.