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CISO / Cyber Security Assurance Lead (EUC / MDM Focus)

JR United Kingdom

Colchester

Hybrid

GBP 70,000 - 100,000

Full time

2 days ago
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Job summary

A leading company in IT services is seeking a Cyber Security Assurance Lead to oversee security assurance for government projects in Colchester. The role combines responsibility for developing risk management documentation, leading security assessments, and ensuring alignment with various security frameworks. Ideal candidates will possess strong expertise in device assurance, particularly with macOS, and relevant professional certifications.

Qualifications

  • Strong understanding of endpoint and device assurance, particularly with macOS and MDM integrations.
  • Experience leading security assurance in government or high-assurance environments.
  • Hands-on experience producing RMADS, DPIAs, and threat models.

Responsibilities

  • Leading security assurance and governance throughout the solution lifecycle.
  • Developing and maintaining risk management documentation.
  • Conducting threat and vulnerability assessments for macOS devices and infrastructure.

Skills

Endpoint and device assurance
macOS integrations
MDM integrations
Zero Trust architecture
Risk management
Security assessments
Agile environments

Education

CISSP
CISM
CCSP
ISO 27001 Lead Auditor

Tools

Jamf
Intune
Workspace ONE
Security tooling

Job description

Position: CISO / Cyber Security Assurance Lead (EUC / MDM Focus), Colchester

Client:

Refreshing Recruitment Ltd

Location:

Colchester, United Kingdom

Job Category:

Other

EU work permit required:

Yes

Job Views:

2

Posted:

07.06.2025

Expiry Date:

22.07.2025

Job Description:

This role requires security clearance and is based in Central London with hybrid working arrangements. It is a 6+ month contract.

We are seeking a Cyber Security Assurance Lead, often referred to as a “mini CISO,” to join a specialist End User Compute (EUC) IT services provider. The focus will be on modernising secure digital workplaces using Zero Trust and next-generation security principles for high-profile Central Government departments, hence the need for current SC clearance.

As the Cyber Security Assurance Lead, you will oversee end-to-end EUC security assurance for a transformational Machinery of Government, macOS Developer Device Solution.

Key responsibilities include:

  • Leading security assurance and governance throughout the solution lifecycle, from architecture design through build, deployment, and operational support.
  • Developing and maintaining risk management documentation such as RMADS, SyOps, DPIAs, threat models, and continuous threat assessments.
  • Ensuring alignment with assurance frameworks including Government Security Classifications (GSC), NCSC guidance, Cabinet Office requirements, GDPR, and ISO27001.
  • Conducting threat and vulnerability assessments for macOS devices, MDM platforms, developer tooling, remote access, and cloud-native infrastructure.
  • Promoting secure-by-design practices in collaboration with security architects, engineering, DevOps, and testing teams.
  • Interfacing with stakeholders to secure necessary approvals and accreditation.
  • Maintaining assurance registers and contributing to programme-wide risk management and reporting.

We are looking for candidates with a strong understanding of endpoint and device assurance, particularly with macOS and MDM integrations (e.g., Jamf, Intune, Workspace ONE), and who possess:

  • Professional certifications such as CISSP, CISM, CCSP, or ISO 27001 Lead Auditor
  • Experience leading security assurance in central government or similar high-assurance environments
  • Deep understanding of security assurance frameworks, including NCSC Cloud Security principles, GDS Service Standards, and government accreditation processes
  • Hands-on experience producing RMADS, SyOps, DPIAs, and similar artefacts
  • Experience with security tooling for risk assessments, threat modelling, and vulnerability scanning
  • Security Clearance

Additional preferred skills include experience in DevSecOps or agile environments, knowledge of Zero Trust architecture, IAM, and cloud-native security practices.

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