Cyber Security Architecture Manager

3 days ago

Cambridge, United Kingdom Telefónica Tech (EN) Full time

Job Description3-month Contract (Inside IR35) – Possible Extension1–2 Days On-Site Weekly – East MidlandsExperience in Critical National Infrastructure (Utilities) is EssentialTelefónica Tech is seeking an experienced Cyber Security Architecture Manager to lead secure-by-design practices across both IT and OT environments within our complex, highly regulated customer. This role is critical in strengthening cyber resilience, driving technology roadmaps, and ensuring compliance with cyber, privacy and regulatory obligations.**1–2 days per week on-site.Role OverviewYou will be responsible for shaping, governing and assuring security architecture across the organisation. This includes maintaining the cyber security technology roadmap, reviewing solution designs, identifying risks, and ensuring alignment to corporate standards, policies and regulatory frameworks.You will work closely with Enterprise, Solution and Platform Architects, alongside operational and project teams, to ensure all technology—across IT and OT—is secure, compliant, and aligned with wider business strategy.Key ResponsibilitiesSecurity Architecture & RoadmapsSolution AssuranceStrategy, Governance & Vendor EngagementLeadershipQualificationsEssential Experience & QualificationsProven experience within Critical National Infrastructure (CNI) – ideally UtilitiesStrong background in both IT and OT cyber securityDegree-level qualification or equivalentRelevant cyber certifications (e.g., CISM, CISSP, Security+)Deep knowledge of cloud security and modern IT architectureUnderstanding of NIS, GDPR, Privacy by Design and Secure by DesignExperience influencing senior stakeholders and driving security improvementsDetail-focused, strategic, calm under pressure, and adept at translating technical risk into business impactDesirable:Experience with TOGAF, Zachman or similar architecture frameworksBackground as an IT or OT ArchitectCritical National Infrastructure (Utilities) experience or understanding of OT operational challengesAdditional InformationAt Telefónica Tech, we believe inclusion is the bridge that empowers everyone to be their authentic selves. We celebrate and respect our differences because diversity drives innovation and makes us stronger.Be yourself with us, and feel that you belong.We welcome applicants from all backgrounds and identities regardless of age, disability, gender reassignment, marital or civil partnership status, pregnancy or maternity, race, religion or belief, sex, and sexual orientation.We are also committed to equity, accessible hiring practices, and creating an inclusive culture through many means including TogetHer (Women's network) and our Employee Resource Groups which include Diversity and Inclusion, Telefónica Tech Pride, Neurodiversity, ELEVATE (African and Caribbean heritage network), and Sustainability. We don't believe hiring is a tick box exercise, so if you feel that you don't match the job description 100%, but would still be a great fit for role, please get in touch.

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