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Cyber Security Consultant @ CBSbutler Holdings Limited trading as CBSbutler

Gilbert Street 22, LondonOnsiteFull-time
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About this role

Salary: £? - ? per year

Requirements: Active SC clearanceSole UK NationalExperience in Cyber Security Governance, GRC, or Security AssuranceStrong experience within SIAM / multi-supplier environmentsGood understanding of security and service management processesExperience with supplier onboarding, transition, or transformation programmesStrong stakeholder management and documentation skillsExperience supporting compliance, audit, and assurance activitiesKnowledge of NIST CSF, Secure by Design, and NCSC guidance would be advantageousDefence or wider Government/high-security experience is highly desirable Responsibilities: Develop supplier onboarding packs covering security processes, policies, governance, and reportingAlign incoming suppliers with established Incident Management, Vulnerability Management, and Security Assurance processesDefine supplier roles, responsibilities, and interaction models across the SIAM/OI environmentIdentify and manage gaps between supplier capabilities and existing security requirementsSupport Security Management Plans, compliance reporting, audit, and assurance activitiesSupport Operational Readiness Reviews (ORR) and Service Commencement activitiesProduce clear, reusable security and service management documentationCoordinate with incoming and incumbent suppliers, transition teams, and client stakeholdersSupport operational readiness across incident management, vulnerability management, monitoring, backup/recovery, access control, and service reporting Technologies: Incident ManagementSupportSecurity More:

We are recruiting an experienced Cyber Security Consultant to join a major Defence programme, supporting the onboarding of new service providers into a complex SIAM / multi-supplier environment. This is a security governance, supplier integration, and operational readiness role rather than a hands-on technical security position. The role is hybrid, based in Preston, London, or Birmingham, with 2 days per week onsite. The day rate is £570 inside IR35.

last updated 38 week of 2026

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