Security manager - assurance, architecture, sbd

Security Manager - Assurance, Architecture, SbD Inside IR35: £550 - £600 p/d Hybrid: Once a Month into London Active SC Required We are looking for an experienced Security Manager to support a major AWS-to-AWS migration programme within a complex public sector environment. This is a broad security leadership role encompassing security architecture, technical assurance, Secure by Design, governance and risk management. You will work across multiple migration workstreams, helping ensure that services moving between AWS environments are designed, assured and transitioned securely. The role requires someone who can combine strategic security oversight with practical delivery support. You will assess existing architectures, review proposed migration patterns, challenge technical decisions constructively and ensure that security risks are identified, understood and managed throughout the migration lifecycle. You will act as a central security point of contact across the programme, working closely with cloud architects, engineers, delivery leads, product teams, risk owners and senior stakeholders. What We're Looking For Proven experience in a Security Manager, Security Assurance Lead, Security Architect or similar role Strong experience securing AWS environments and cloud migration programmes Experience supporting AWS-to-AWS migrations, cloud platform transitions or large-scale workload migrations Broad experience across security architecture, assurance, governance and risk managementDesirable Experience Experience working on large-scale public sector or government digital programmes Knowledge of AWS services including IAM, Organizations, Control Tower, CloudTrail, GuardDuty, Security Hub, KMS and Config