Technical Design Authority - Subscriber Management

VodafoneThree; Newbury; On-site; GBP 90,000 - 130,000; Full time

Job summary

VodafoneThree is seeking a Technical Design Authority to lead the design, evolution, and optimisation of Subscriber Management platforms that serve millions of customers. You will shape solutions for UDM/UDR/HLR/HSS, manage Diameter interfaces, and drive cloud-native deployments within a transformed core network.

You will provide technical leadership across platforms, engage with suppliers and stakeholders, and ensure security, resilience and regulatory compliance while advancing automation and

Qualifications

• Extensive telecom network design and architecture experience.
• Strong understanding of 3G/4G/5G Core architectures.
• Expertise in Subscriber Management technologies (UDM/UDR/HLR/HSS/SR/ EIR).
• Experience with Diameter interfaces (S6a, Sh, SWx, Zh, SLh, Cx, S13).
• Cloud/NFV/CNF deployments and cloud-native networking.

Responsibilities

• Provide technical leadership across Subscriber Management platforms and services.
• Own solution design and delivery for critical network capabilities.
• Define and govern high and low-level designs for scalable solutions.
• Drive technical strategy, innovation and continuous improvement.
• Lead technical engagement with suppliers and internal stakeholders.
• Support large-scale transformation programmes across core network and cloud environments.
• Ensure network performance, resilience, security and regulatory compliance.
• Champion best practices in automation, testing, and release management.

Skills

Telecom architecture

Subscriber management

3G/4G/5G Core

UDM/UDR/HLR/HSS

Diameter interfaces

Nokia/Ericsson solutions

Cloud-native / CNF/VNF

Stakeholder mgmt

Cloud technologies

Tools

Nokia Subscriber Management

Ericsson Subscriber Management

Job description

Technical Design Authority - Subscriber Management

At VodafoneThree, we're building the next generation of mobile connectivity. As we continue our transformation journey, we're looking for a Technical Design Authority (TDA) - Subscriber Management to lead the design, evolution and optimisation of critical subscriber data management platforms that support millions of customers across our network.

What you'll be doing

• Provide technical leadership across Subscriber Management platforms and services.
• Own solution design and delivery for critical network capabilities including UDM, UDR, HLR/HSS, SPR and EIR.
• Define and govern high and low-level designs, ensuring robust, scalable and future-ready solutions.
• Drive technical strategy, innovation and continuous improvement across the domain.
• Lead technical engagement with suppliers, systems integrators and internal stakeholders.
• Support large-scale transformation programmes across core network and cloud environments.
• Ensure network performance, resilience, security and regulatory requirements are met.
• Champion best practices in automation, testing, release management and operational excellence.

What we're looking for

• Extensive telecommunications network design and architecture experience.
• Strong understanding of 3G, 4G and 5G Core Network architectures.
• Deep expertise within Subscriber Management technologies, including:
• UDM
• UDR
• HLR/HSS
• SPR
• EIR
• ENUM & MNP
• Strong knowledge of Diameter interfaces including S6a, Sh, SWx, Zh, SLh, Cx and S13.
• Experience delivering complex technical programmes involving multiple suppliers and stakeholders.
• Telco Cloud expertise, including virtualised and cloud-native network functions.
• Ability to translate business requirements into strategic technical solutions.
• CNF and VNF deployments.
• Cloud technologies and network transformation programmes.
• Nokia and/or Ericsson subscriber management solutions.

Why VodafoneThree?

You'll join a team at the heart of the UK's largest mobile network transformation, working on cutting-edge technologies that directly impact customer experience and network performance. This is an opportunity to influence strategic technology decisions, drive innovation and help shape the future of connectivity.