Company Description VodafoneThree - Service Assurance & Management Lead Location: Newbury Hybrid Working Hours: Full time 37.5 hours per week - Mon to Fri *Hybrid 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. You should work with your line manager to understand what their expectations are for you, your specific role and your team. Who We Are We're here to build a network the UK can count on - one that connects people, places and potential. Because no matter where you live, what your background is, or how you get online - we think everyone deserves the same chance to stay connected, and with VodafoneThree, that future's being built - today. We're creating more than the UK's best network. We're helping close the digital divide, empower communities and drive meaningful progress. We believe that everyone should feel they belong. Whoever you are and whatever your story, there's space for you here. We're building a workplace where different perspectives are welcomed, voices are heard, and everyone feels safe to show up as themselves. You'll join a team that genuinely cares - about each other, about our customers, and about the future we're building. From day one, you'll be welcomed, valued and encouraged to bring your whole self to work. Why VodafoneThree Join us and you'll be at the heart of change. That means building responsibly, investing sustainably and creating opportunities that last. We're not just expanding connectivity; we're reimagining what a connected nation looks like. With £11bn invested in 5G and digital infrastructure, your work will directly power businesses, services, and communities across the country. You'll work on real challenges, with real impact, across every corner of the country. Wherever you join us, whatever your role, you'll be helping to build a future that works better for everyone. We move at pace, because what we're building matters - and we're learning as we go. We're proud of the progress we've made, but we're just getting started. Join our UK Networks team, where we're continually building and enhancing our network, connecting millions of people and businesses across the country. Be part of the team that makes it all happen - simplifying, automating, and bringing better connectivity than ever before, with giga-fast speed, to our customers Job Description What you'll do Our organisation is a leading provider in the telecommunications and digital services sector, committed to delivering high-quality connectivity and innovative solutions to consumers and businesses. With a strong focus on digital transformation and operational excellence, we aim to drive sustainable growth and superior customer experience across all touchpoints. The Shared OSS Service Assurance & Management Lead is accountable for the integration of the Service Assurance and Service Management platforms between VodafoneThree and VMO2 under the Beacon sharing agreement. The role owns the development and maintenance of all technical artefacts related to this integration and is responsible for assessing both inbound and outbound demand to determine impact, define required transformations, and translate requirements into clear technical deliverables. Acting as a key integration authority within the OSS domain, the Lead engages internal and external stakeholders to ensure the effective delivery of agreed outcomes to scope, budget, time, and quality. The position also builds and prioritises the 18-month technical roadmap, strengthening domain expertise and ensuring long-term strategic alignment. The role requires strong relationship management to maintain delivery performance, ensure contractual compliance, and realise business value. Working closely with cross-functional teams, the Lead supports the successful execution of network initiatives while managing senior stakeholders and coordinating internal and external communications to drive transparency, alignment, and achievement of strategic objectives. Accountable for the end-to-end integration between the VodafoneThree Service Assurance platform and the Service Management platform with VMO2 platforms. Ensure all integrations fully support and underpin contractual obligations with our network-sharing partner VMO2. Management of inbound and outbound demand from/to external partners Translate business requirements into clear, comprehensive technical specifications for platform integrations with VMO2. Develop, maintain and govern High-Level Design (HLD) and Low-Level Design (LLD) documentation for all relevant integrations. Define acceptance criteria and testing requirements for all relevant integrations; oversee and coordinate test execution to ensure successful delivery and compliance. Manage relationships with external partners to ensure delivery performance, alignment with contractual obligations, and value for the business. Collaborate with cross-functional teams to support the successful delivery of network engineering initiatives and related applications. Manage the relationship with our VMO2 counterparts from a technical and delivery perspective, providing subject-matter expertise and serving as the primary technical interface for all integration-related demands and initiatives. Establish and maintain strong working relationships with the relevant platform owners and domain Subject Matter Experts (SMEs) across VodafoneThree and Vodafone Group to ensure alignment on integration scope, priorities, and technical direction. Act as the primary liaison with our counterparts in VMO2, aligning on technical requirements, interface specifications, and cross-organizational dependencies to enable seamless integration delivery. Support RFP activities for the new solutions in respective domains Managing a range of senior stakeholders and internal/external communications. Qualifications Who are you Proven experience in Radio tools and Service Assurance platforms within the OSS domain. Good understanding of mobile network architecture and relevant processes in network design, deployment and operations. Expert knowledge of OSS solutions and their implementation covering areas in Service Management, Configuration Management, Network Inventory and Customer Experience Management. Strong experience of providing technical, decision making and problem-solving leadership for a technical domain and can demonstrate setting technical direction and quality/ standards for delivery and design. Proven experience in Service Assurance within the OSS domain and working experience with MyCom solution. Proven experience in Service Management within the OSS domain and working experience with BMC solution. Demonstratable experience in delivering projects spanning across different organisations and managing stakeholders across different business partners. Proficient in developing and maintaining technical artifacts (BRS, HLD, LLD) and TOGAF 9.1 Certified. Worried that you don't meet all the desired criteria exactly? We know that everyone is unique, with multiple aspects to their identity and different experiences behind them. We are passionate about Inclusion for All and creating a workplace where everyone can thrive, whatever their personal or professional background. If you're excited about this role but your experience doesn't align exactly with every part of the job description, we encourage you to apply as you may be the right candidate for this role or another role, and our recruitment team can help you see how your skills fit in. Additional Information 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. Posting End Date: 1st May 2026 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 regulators standards. We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. 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 contact your recruiter directly or email jobs@three.co.uk 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. VodafoneThree 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 regulators standards. We believe everyone should have the opportunity to interview for a role that matches their skills. In collaboration with our Talent, Diversity & Inclusion teams and our employee-led DEI Networks, we identified a range of reasonable adjustments to help you feel comfortable and perform at your best self during the interview process. 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 contact your recruiter directly or email jobs@three.co.uk 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. VodafoneThree