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

JR United Kingdom; City Of London; Hybrid; GBP 70,000 - 100,000; Full time

Job summary

A leading IT services provider is seeking a Cyber Security Assurance Lead to manage security assurance for government clients. This hybrid role focuses on modernizing secure workplaces using Zero Trust principles and requires hands-on experience with security frameworks and tools for device assurance.

Qualifications

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

Responsibilities

• Leading security assurance and governance throughout the solution lifecycle.
• Conducting threat and vulnerability assessments for macOS devices and MDM platforms.
• Ensuring compliance with assurance frameworks and government standards.

Skills

Security Assurance

Risk Management

Threat Assessment

Zero Trust Architecture

Compliance

Education

Professional certifications such as CISSP, CISM, CCSP, or ISO 27001 Lead Auditor

Tools

Jamf

Intune

Workspace ONE

Job description

Social network you want to login/join with:

CISO / Cyber Security Assurance Lead (EUC / MDM Focus), London (City of London)

Client: Refreshing Recruitment Ltd

Location: London (City of London), United Kingdom

Job Category: Other

EU work permit required: Yes

Job Views: 3

Posted: 16.06.2025

Expiry Date: 31.07.2025

Job Description:

Security Clearance required

Location: Central London, hybrid working

Contract duration: 6+ months

A Cyber Security Assurance Lead, often referred to as a “mini CISO,” is sought to join a specialist End User Compute (EUC) IT services provider. The role involves leading the modernization of secure digital workplaces using Zero Trust and next-generation security principles, primarily for high-profile Central Government departments, hence the requirement for current SC clearance.

As a 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, including architecture design, build, deployment, and operational support.
• Developing and maintaining risk management documentation such as RMADS, SyOps, DPIAs, threat models, and continuous threat assessments.
• Ensuring compliance with assurance frameworks like 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.
• Engaging with stakeholders to obtain necessary approvals and accreditation.
• Maintaining assurance registers and contributing to program-wide risk management and reporting.

We are seeking 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 knowledge 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 modeling, 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.