Security Architect

Salary: £38,500 - 63,000 per year

Requirements:

• Experience in cybersecurity with a strong track record in security architecture delivery, including IT/OT convergence
• Advanced Visio skills and fluency with TOGAF or equivalent architecture methods
• Working knowledge of NIST CSF, IEC 62443, NCSC CAF, EU NIS2, cloud and network fundamentals
• Willingness to travel for client delivery, domestically and internationally as required
• 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 Azure
• Advanced certifications such as CISSP, TOGAF or SABSA, Cloud Security certifications such as Microsoft SC-100/AZ-500, CCNA or equivalent
• Ability to obtain and maintain UK Government security clearances
• Candidates must be a UK national or have been a resident in the UK for a minimum of five years and have not spent more than six months outside the UK

Responsibilities:

• Build and maintain strong client relationships and shape clear security outcomes, milestones and measures aligned to regulatory obligations
• Deliver security architecture work packages and produce HLD and LLD artefacts, data flows and threat models for enterprise and IT/OT converged environments
• Create cloud security architecture for site-to-cloud 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 implement
• Enhance governance and compliance by aligning solutions and controls to 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

Technologies:

• Azure
• Cloud
• Support
• Network
• Security
• TOGAF
• Architect

More:

We are EY, committed to building a better working world. Our Cybersecurity Consulting Practice is rapidly expanding as we invest in our capabilities to meet increasing demand for cybersecurity solutions. This Manager role sits within our global team of over 13,000 professionals, focused on delivering technical excellence, managing cybersecurity engagements, building client relationships, and leading teams to solve complex security challenges. The role is based in London, Manchester or Scotland. We offer a competitive remuneration package, flexible working, career development, and a comprehensive Total Rewards package through FlexEY, covering holidays, health and well-being, insurance, savings, discounts, offers and promotions. We also provide continuous learning, supportive leadership, and a diverse and inclusive culture.

last updated 38 week of 2026