Defence Cyber Security Assurance Lead

Copello; Barking; On-site; GBP 85,000 - 110,000; Full time

Job summary

Copello is seeking an experienced Cyber Security Assurance Manager to lead security assurance across secure networks, cloud environments and UK Defence projects. You will own security frameworks, risk assessments and compliance, aligning with MOD standards and industry guidance, and communicate with stakeholders to drive risk-based decisions in a highly secure environment.

This role requires UK security clearance and a proactive governance approach to ensure audit readiness and regulatory

Qualifications

• Experience in UK MOD/Defence environment.
• Knowledge of Def Stan 05-138, DCPP Cyber Security Model and NCSC guidance.
• Experience in GRC, risk assessment, compliance and security assurance.
• Excellent communication and stakeholder management skills.

Responsibilities

• Lead security assurance across secure networks and cloud systems.
• Manage risk assessments, security frameworks and compliance documentation.
• Ensure alignment with MOD standards, including Def Stan 05-138 and the Cyber Security Model.
• Conduct audits, track remediation plans and support external assessments.
• Advise stakeholders on security risks and regulatory requirements.

Skills

MOD/Defence

Def Stan 05-138

GRC & risk

Stakeholder mgmt

Job description

Copello is seeking an experienced Cyber Security Assurance Manager to lead security assurance across secure networks, cloud environments and UK Defence projects. You will own security frameworks, risk assessments and compliance, aligning with MOD standards and industry guidance, and communicate with stakeholders to drive risk-based decisions in a highly secure environment.

This role requires UK security clearance and a proactive governance approach to ensure audit readiness and regulatory