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# Security Architect

- **Company:** Ernst & Young
- **Location:** Slough, UK
- **Contract:** Permanent contract
- **Skills:** Microsoft Antivirus, Microsoft Online Services, Cloud Computing, Cloud Computing Security, Cyber Security, Microsoft Visio, Network Connections, Azure Active Directory, Zero Trust Network Access, Sherwood Applied Business Security Architecture, Security Information and Event Management, Data Streaming, Togaf, Microsoft Sentinel
- **Published:** September 25, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/security-architect/48310948

## About the Role

Skills and Attributes for Success: Ability to work and thrive in a fast-paced, result driven environments with the ability to establish credibility and demonstrate expertise quickly.Communication skills, both oral and written, tailored to diverse audiences.Strong team player who values collaboration and encourages open communication among team members.Experience in coaching and developing colleagues. To Qualify for the Role, You Must Have: Experience in cybersecurity with a strong track record in security architecture delivery, including IT/OT convergenceAdvanced Visio skills and fluency with TOGAF or equivalent architecture methods.Working knowledge of NIST CSF, IEC 62443, NCSC CAF, EU NIS2, cloud and network fundamentalsWillingness to travel for client delivery (domestic and international as required). Ideally, You'll Also Have Experience supporting security transformation programs and modernisation.Experience integrating SOC/MDR, SIEM/SOAR and familiarity with MITRE ATT&CK.Experience
designing remote and local access models including PAM and ZTNA with identity integration.Familiarity with Microsoft cloud security stack including Microsoft Sentinel, Microsoft Entra ID, Microsoft Defender for Cloud and secure connectivity on AzureAdvanced certifications such as CISSP, TOGAF or SABSA, Cloud Security e.g. Microsoft SC-100/AZ-500, CCNA or equivalent.Ability to obtain and maintain UK Government security clearances. Join Us: At EY, you'll have the chance to build a meaningful and fulfilling career, supported by an inclusive culture and cutting-edge technology. Together, we can create a better working world for all. Please note: The successful candidate must undergo and pass checks in line with SC (Security Check) clearance standards after joining EY. These checks may include, but are not limited to, verification of identity, right to work in the UK, employment history, proof of address may be required and unspent criminal convictions. Candidates must be a, UK

## Description

obligations.Deliver security architecture work packages and produce HLD and LLD artefacts, data flows and threat models for enterprise and IT/OT converged environmentsCreate cloud security architecture for sitetocloud connectivity, establishing secure landing zones, segmented network connectivity, identity and secrets management.Analyse systems and networks and propose segmentation, secure access methodology and reference designs that engineering teams can implementEnhance governance and compliance by aligning solutions and controls to various frameworks and standards such as NIST 800, ISO 27001 and NIS2.Foster a positive team environment by mentoring and coaching junior staff, conducting performance reviews, and contributing to their professional development.Support business development activities, including proposal writing and impactful presentations to potential clients.Contribute to recruiting, retaining, and training cybersecurity professionals, ensuring a high-performing team.


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