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Security Architect – DV Cleared

DATTalent ltd


Security Architect

Contract | Inside IR35 | 6 Months | Hybrid | Central London

Overview

A well-established UK public sector organisation is embarking on a significant programme to modernise a core operational platform. Central to this is the design and build of a new, secure application and data environment, replacing a legacy system that has been in place for a number of years.

This is a high-stakes programme operating within a sensitive environment. The organisation needs a Security Architect who can take ownership of the security design from the ground up, working closely with programme leadership, technical teams, and senior stakeholders across the business.

This is not a governance or compliance-led role. You will be expected to make and defend real architectural decisions and operate with a significant degree of autonomy.

What You Will Be Doing

  • Leading the security architecture for a new application and data platform, from design through to implementation
  • Providing authoritative security guidance across the programme, influencing key decisions at all levels
  • Translating complex security and risk concepts for both technical and non-technical audiences, including senior leadership
  • Engaging with a broad range of internal and external stakeholders across a complex delivery landscape
  • Ensuring the solution is aligned to relevant government security frameworks, classification requirements, and accreditation processes
  • Identifying and managing security risks throughout the programme lifecycle

What We Need From You

Essential:

  • Active Developed Vetting (DV) clearance
  • Proven experience as a Security Architect on large-scale IT transformation or application development programmes
  • Strong working knowledge of NCSC guidance, NIST, and UK government security classification frameworks
  • Experience navigating government accreditation and assurance processes
  • The ability to engage and influence at the most senior levels, including with non-technical stakeholders
  • A track record of operating effectively in complex, multi-stakeholder environments

To apply for this job please visit www.reed.co.uk.

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