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

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

Job summary

A leading IT services provider seeks a Cyber Security Assurance Lead in Dartford to drive EUC security assurance for high-profile government departments. This role involves leading security governance, risk management documentation, and ensuring alignment with security frameworks. Candidates should have strong endpoint assurance knowledge, security certifications, and relevant experience in high assurance environments.

Qualifications

• Strong understanding of endpoint and device assurance, ideally with macOS.
• Experience in central government or similar high assurance environments.
• Hands-on experience producing RMADS, SyOps, DPIAs, and equivalent artifacts.

Responsibilities

• Lead security assurance and governance throughout the solution lifecycle.
• Develop and maintain risk management documentation.
• Conduct threat and vulnerability assessments for macOS devices.

Skills

Endpoint assurance

Device assurance

Security governance

Risk management

Threat modeling

Vulnerability scanning

Education

CISSP

CISM

CCSP

ISO 27001 Lead Auditor

Tools

MDM (Jamf, Intune, Workspace ONE)

Security tooling

Job description

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

Client: Refreshing Recruitment Ltd

Location: Dartford, United Kingdom

Job Category: Other

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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 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 (e.g., Jamf, Intune, Workspace ONE), and:

• Professional certifications e.g., 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 artifacts.
• 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.