Senior AWS Platform Engineer (Security) 540.00 per day Umbrella UK - Predominantly remote some travel to London / Manchester Initially till end of March (likely contract extension) SC Clearance RequiredOur client is currently looking for an experienced Platform Engineer with a strong focus on AWS security architecture and governance. This role will ensure our cloud platforms are secure, compliant, and resilient by implementing best-in-class security practices across AWS environments. Leveraging your expertise in cloud technologies and best practices, you will work closely with tenants to architect, implement, and optimise solutions. You will collaborate with cross-functional teams to drive innovation and deliver exceptional value to our customers. Responsibilities: Cloud Security Tooling and Integration:Design and implement security controls across AWS accounts and services.Implement AWS security services such as GuardDuty, Security Hub, Macie, and KMS.Configure and manage AWS Identity and Access Management (IAM), including roles, policies, and least-privilege principles.Experience in protective and runtime vulnerability monitoring tooling such as Splunk, Tenable Nessus and Dynatrace AppSec respectively.Conduct vulnerability scanning and remediation using tools like AWS Inspector, Snyk, or Trivy.Governance and Compliance:Establish and maintain security baselines aligned with organizational and regulatory standards (ISO, NIST, CIS).Integrate security guardrails using AWS C