Security Architect (Digital Heap) in London

Our client is running a major digital heap remediation programme covering approximately 700TB of unstructured data. We are looking for a Security Architect with strong Information and Records Management experience to design the approach for identifying, securing, analysing, and ultimately managing this data estate. This role sits at the intersection of security architecture, data governance, and information lifecycle management, and requires someone comfortable operating in a complex, politically sensitive environment.
Key Responsibilities
Design the security architecture for identifying and classifying data within a ~700TB digital heap
Define and design a protected/secure environment for holding and analysing sensitive or unclassified data
Work closely with information/records management teams on retention, classification, and disposal strategy
Define controls for data access, handling, and audit throughout the identification-to-management lifecycle
Support tooling and process design for data discovery, analysis, and remediation at scale
Produce architecture artefacts covering data security, access control, and environment design
Engage and manage senior, and at times difficult, stakeholders across the business and technical teams
Provide assurance that the solution aligns with information governance, security, and compliance requirements
Proven experience as a Security Architect with a strong Information/Records Management background
Direct experience with data remediation, digital heap, or legacy data clean-up programmes
Understanding of data classification, retention, and disposal frameworksExperience designing secure/protected environments for data analysis at scale
Familiarity with large-scale unstructured data environments (file shares, SharePoint, archives, etc.)
Relevant security certification (e.g. CISSP, CISM) desirable
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