Security Architect in Wiltshire

Job Description Contract Security Architect (Platform security) £555 p/d Inside IR35 Hybrid remote in Salisbury *DV Clearance is essential* please only apply if you hold this level of clearance, this is due to the classification of the project. We are seeking an experienced DV cleared Security Architect support the design, build and assurance of Back End platform and endpoint security capabilities within secure, offline (air-gapped) environments. This is a highly technical role suited to a security professional who can operate at both architectural and hands-on levels, with strong experience across endpoint protection, Antivirus/EDR, vulnerability management, platform security and secure environments. You will work closely with Infrastructure, Platform and Security teams, applying NIST Cybersecurity Framework principles and MOD security policies to deliver secure and compliant capabilities for a UK Government environment. Key Responsibilities Lead the architecture, design and implementation of endpoint and platform security solutions. Design security controls aligned with MOD policies, NIST Cybersecurity Framework and NCSC guidance. Design and deliver vulnerability management capabilities, including scanning, risk prioritisation, remediation and reporting. Develop security solutions for offline and air-gapped environments, including controlled update, patch and signature distribution. Establish secure mechanisms for threat intelligence ingestion and data transfer within disconnected environments. Define and implement vulnerability scanning regimes and remediation processes. Advise on endpoint hardening, Firewall rules, ports, protocols and system security controls. Produce penetration testing scopes covering Back End platforms and endpoints. Produce and maintain formal technical documentation, including HLDs, LLDs, security architecture documentation and SOPs. Essential Skills