DV Security Consultant

La Fosse Associates; England; Hybrid; GBP 60,000 - 80,000; Full time

Job summary

A leading consultancy is seeking a Contract DV Security Consultant with active clearance to support high-assurance UK Government and Defence projects. This role requires expertise in security architecture, implementing secure systems, and managing risks in sensitive environments. The ideal candidate will have experience with network/system security, compliance, and a strong understanding of security technologies including Kubernetes and Infrastructure as Code tools. The position offers a competitive day rate between £800 and £900, with a duration of 6 months and a hybrid working arrangement.

Qualifications

• Active DV clearance.
• Experience in designing and implementing secure systems.
• Proficient with cloud-native security and CI/CD pipeline hardening.

Responsibilities

• Collaborate with engineering teams to develop security policies and technical designs.
• Implement secure systems and assess vulnerabilities for compliance.
• Integrate security measures with SIEM and monitoring systems.

Skills

Security Architecture

Network/System Security

Risk Mitigation Strategies

Tools

Trellix

Ivanti

ClearSwift

Job description

DVSecurity Consultant

We are seeking an experienced Contract Security ConsultantwithactiveDVclearanceto 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.

• Day Rate: £800 – £900pd
• IR35 Status: Outside
• Duration: 6 Months initially
• Travel: 4 days a week in Cambridgeshire Office(1 day WFH)
• Clearance Level: ActiveDV

ThisSecurityConsultant will have the previous 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).