Contract Role - Security ArchitectLocation: Hybrid - Wokingham or Warwick (1-2 days onsite per week) Contract: 6 Months (likely extension) IR35: Inside IR35 Security Clearance: Active SC Clearance RequiredRole OverviewOur client is seeking an experienced Security Architect to support a major internal programme responsible for delivering capabilities that underpin critical infrastructure operations.This role will embed within an agile delivery programme while also contributing to the wider Security Architecture Community of Practice, working alongside enterprise and domain security architects to strengthen security architecture practices across the organisation.The successful candidate will provide security architecture leadership for an internal application within the programme, ensuring security is embedded throughout the development lifecycle using secure-by-design and shift-left principles.You will work closely with engineering, architecture, and delivery teams to ensure security risks are identified early, appropriate controls are designed, and systems are resilient against evolving threats.Key ResponsibilitiesProgramme Security ArchitectureOwn the security architecture for an internal application supporting critical infrastructure programmes.Embed secure-by-design and shift-left practices within agile delivery teams.Work closely with engineers and product teams to ensure security is integrated into design and development activities.Provide architectural guidance across a