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We are seeking an experienced Contract Security Consultant with active DV clearance to support high-assurance UK Government and Defence projects. The ideal candidate will bring deep expertise across Security Architecture, Engineering, and secure system design, contributing to the delivery of robust and compliant solutions in sensitive and mission-critical environments.

• Duration: 6 Months initially
• Travel: 4 days a week in Cambridgeshire Office (1 day WFH)
• Clearance Level: Active DV

This Security Consultant will have the following experience:

• Design and implement secure systems for classified and unclassified networks, assess vulnerabilities, apply risk mitigation strategies, and validate security posture to meet baseline compliance and operational requirements.
• Partner with engineering teams, customers, and government agencies to develop security policies, operational processes, technical designs, and ensure integration with SIEM and monitoring systems.
• Demonstrated proficiency in network/system security (firewalls, IDS/IPS, micro-segmentation), IAM (RBAC, ABAC, JWT), secure coding practices (OWASP, SANS), and hands-on experience with tools like Trellix, Ivanti, ClearSwift.
• Deep knowledge of Kubernetes and container security (RBAC, network policies, runtime protection), CI/CD pipeline hardening (Git, SonarQube, Vault), Infrastructure as Code (Terraform, Ansible), and cloud-native security (Trivy, Istio, NSX).