Haystack
← Back to Jobs
Temporary/Casual
Technology
CH

Cyber Security Consultant

CBSbutler Holdings Limited trading as CBSbutlerFarringdon, Central London🇬🇧United KingdomPosted 23 Sept 2026

Quick Overview

Seniority
Mid Senior
Employment type
Temporary/Casual
Work mode
On Site
Location
Farringdon, Central London, United Kingdom
Posted
Yesterday
Stakeholder Management

Job Description

Cyber Security Consultant Preston, London or Birmingham / Hybrid - 2 days per week onsite £570 per day inside ir35 Active SC clearance Sole UK National We are looking for 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.

Key Responsibilities:

Develop supplier onboarding packs covering security processes, policies, governance and reporting.<br />Align incoming suppliers with established Incident Management, Vulnerability Management and Security Assurance processes.<br />Define supplier roles, responsibilities and interaction models across the SIAM/OI environment.<br />Identify and manage gaps between supplier capabilities and existing security requirements.<br />Support Security Management Plans, compliance reporting, audit and assurance activities.<br />Support Operational Readiness Reviews (ORR) and Service Commencement activities.<br />Produce clear, reusable security and service management documentation.<br />Coordinate with incoming and incumbent suppliers, transition teams and client stakeholders.<br />Support operational readiness across incident management, vulnerability management, monitoring, backup/recovery, access control and service reporting. Key Experience: Cyber Security Governance, GRC or Security Assurance experience.<br />Strong experience within SIAM / multi-supplier environments.<br />Good understanding of security and service management processes.<br />Experience with supplier onboarding, transition or transformation programmes.<br />Strong stakeholder management and documentation skills.<br />Experience supporting compliance, audit and assurance activities.<br />Knowledge of NIST CSF, Secure by Design and NCSC guidance would be advantageous.<br />Defence or wider Government/high-security experience is highly desirable.If you have the required active SC clearance, are a sole UK national, and have strong security governance/SIAM experience, I'd be keen to hear from you. Apply now, or email your CV to me directly at (url removed)

Similar jobs