London
Job Title: Zero Trust Network Access (ZTNA) Delivery Lead Location: Hybrid 2 days onsite/week (Cambridge/ Peterborough)Type: ContractOverview We are seeking an experienced Zero Trust Network Access (ZTNA) Delivery Lead to drive the development and execution of a large-scale Zero Trust transformation programme within a complex, global enterprise environment. This role will be responsible for defining the Zero Trust strategy, owning the target-state architecture, developing a scalable implementation blueprint, and leading delivery across multiple business units operating within a federated technology landscape. The successful candidate will combine strong cyber security expertise with enterprise architecture knowledge, programme leadership experience, and exceptional stakeholder management skills.Key Responsibilities Zero Trust Strategy & Roadmap • Define and lead the enterprise-wide Zero Trust strategy aligned to business and cyber security objectives., • Develop a multi-year roadmap covering identity, device, network, application, and data security domains., • Establish adoption priorities, milestones, dependencies, and success measures., • Present recommendations and secure executive-level approval and sponsorship.Architecture & Blueprint Development, • Own and maintain the target-state Zero Trust architecture., • Develop scalable reference architectures, implementation standards, governance models, and security controls., • Ensure alignment between Zero Trust principles and wider cyber security and technology strategies., • Continuously enhance architectural standards based on emerging requirements, lessons learned, and technology developments.Programme Delivery, • Lead end-to-end delivery of the Zero Trust workstream from strategy through implementation and operational handover., • Define programme scope, outcomes, timelines, budgets, risks, and dependencies., • Establish governance structures and deliver regular executive reporting., • Manage third-party vendors and delivery partners, ensuring performance against agreed outcomes.Stakeholder Engagement & Adoption, • Work closely with security, architecture, infrastructure, and technology teams to drive successful implementation., • Build strong relationships with senior stakeholders across multiple business units., • Influence decision-making at executive level and drive alignment across competing priorities., • Support change management, communications, and business adoption activities.Cross-Functional Collaboration, • Partner with Identity, Security Engineering, Architecture, and Technology teams to ensure successful delivery., • Manage dependencies across identity transformation, endpoint security, cloud security, network modernisation, and workplace transformation initiatives., • Ensure a coordinated approach across all related programmes and workstreams.Essential Experience, • Proven experience leading enterprise-scale Zero Trust transformation programmes., • Demonstrated success defining and delivering Zero Trust strategies, architectures, and implementation roadmaps., • Experience leading complex cyber security or technology programmes across global organisations., • Strong track record of managing budgets, vendors, governance frameworks, and delivery teams., • Experience influencing executive stakeholders and steering committees., • Previous experience operating within federated or decentralised organisational environments.Essential Technical Expertise Strong understanding of:, • Zero Trust Architecture, • Identity and Access Management, • Conditional Access, • Privileged Access Management, • Endpoint Security, • Device Compliance, • ZTNA and Secure Access technologies, • Cloud Security Architecture, • Enterprise Security GovernanceStrong knowledge of technologies such as:, • Microsoft Entra ID, • Conditional Access, • Privileged Identity Management (PIM), • Microsoft Defender Suite, • Microsoft Intune, • Zscaler or equivalent ZTNA platformsQualifications Essential, • Degree in Cyber Security, Computer Science, Information Technology, Engineering, or equivalent experience., • One or more of the following certifications:, • CISSP, • CISM, • TOGAF, • SABSA, • Microsoft SC-100Desirable, • PRINCE2 Practitioner, • MSP (Managing Successful Programmes), • SABSA Chartered Security Architect, • Membership of ISACA, (ISC)², CIISec, or BCSKey Attributes, • Strategic thinker with strong delivery focus., • Excellent executive stakeholder management and communication skills., • Ability to translate complex security concepts into practical business outcomes., • Strong programme governance and organisational skills., • Comfortable operating in complex, global environments with multiple stakeholders and competing priorities., • Ability to balance architectural integrity with pragmatic delivery requirements.Must-Have Profile, • Led a Zero Trust programme from strategy through implementation., • Strong Microsoft Security ecosystem experience (Entra ID, Conditional Access, Intune, Defender)., • Experience with Zscaler or equivalent ZTNA technologies., • Enterprise architecture and roadmap ownership experience., • Large-scale cyber transformation delivery background., • Executive-level stakeholder engagement experience., • Experience driving adoption across multiple business units or divisions.