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

JR United Kingdom; Crawley; Hybrid; GBP 60,000 - 90,000; Full time

Job summary

A leading IT services provider is seeking a Cyber Security Assurance Lead to modernize secure digital workplaces for Central Government departments. This role requires a strong background in endpoint assurance, risk management, and governance frameworks to drive secure practices in a hybrid working environment.

Qualifications

• Strong understanding of endpoint and device assurance, ideally with macOS and MDM integration.
• Experience leading security assurance in central government or high assurance environments.
• Deep understanding of security assurance frameworks and accreditation processes.

Responsibilities

• Leading security assurance and governance throughout the solution lifecycle.
• Development and maintenance of risk management documentation.
• Conduct threat and vulnerability assessments for macOS devices.

Skills

Understanding of endpoint and device assurance

Security tooling for risk assessments

Hands-on experience producing RMADS

Education

Professional certifications ie CISSP, CISM, CCSP, or ISO 27001 Lead Auditor

Job description

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CISO / Cyber Security Assurance Lead (EUC / MDM Focus), Crawley, West Sussex

Client:

Refreshing Recruitment Ltd

Location:

Crawley, West Sussex, United Kingdom

Job Category:

Other

EU work permit required:

Yes

Job Views:

2

Posted:

07.06.2025

Expiry Date:

22.07.2025

Job Description:

Security Clearance required

Central London, hybrid working

6+ month contract.

A Cyber Security Assurance Lead, “a mini CISO” is sought to join a specialist End User Compute (EUC) IT services provider, leading the modernisation of secure digital workplaces with Zero Trust and next-gen security principles for high profile Central Government departments – hence the need for current SC clearance.

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

Key accountabilities include:

• Leading security assurance and governance throughout the solution lifecycle. (architecture design, through build, deployment & operational support).
• Development and maintenance of risk management documentation (RMADS, SyOps, DPIAs, threat models, and continuous threat models).
• Ensure alignment with assurance frameworks (Government Security Classifications (GSC), NCSC guidance, Cabinet Office requirements, GDPR, ISO27001).
• Conduct threat and vulnerability assessments for macOS devices, MDM platforms, developer tooling, remote access, and cloud-native infrastructure.
• Drive secure-by-design practices, working with the security architects, engineering devops, and testing teams.
• Interface with stakeholders to gain necessary approvals and accreditation.
• Maintain assurance registers and contribute to programme-wide risk management & reporting.

We are seeking applications from candidates with a strong understanding of endpoint and device assurance, ideally with macOS and integration with MDM (ie Jamf, Intune, Workspace ONE) and :

• Professional certifications ie 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 equivalent artefacts.
• Security tooling for risk assessments, threat modelling & vulnerability scanning.
• Security Clearance

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