Cyber Security Architect & Engineering Lead
Location: London, hybrid
Salary: £70,000 - £80,000
Our client is seeking a senior, hands-on Cyber Security Architect & Engineering Lead to strengthen its security architecture and engineering capability.
Reporting to the Head of Information Security, this is a senior technical leadership role and genuine second in command, providing independent ownership across security architecture, engineering, operations and technical improvement.
You will combine strong technical expertise with the ability to influence stakeholders, build business cases, deliver initiatives and mentor others. This is not a purely advisory, SOC or GRC role, the successful candidate will be expected to design, implement, improve and validate security controls.
Key Responsibilities
Define and evolve security architecture across identity, endpoints, networks, cloud, SaaS, data, applications and integrations.
Design, implement and improve security controls, with a focus on Zero Trust, secure-by-design and automation.
Lead security architecture reviews and threat modelling for major projects, technologies and high-risk integrations.
Own security initiatives from problem identification and business case through to implementation and validation.
Provide technical leadership across Microsoft Sentinel, Defender and wider SecOps , including configuration, tuning, detection engineering and monitoring.
Provide oversight across incident response, threat hunting, vulnerability/exposure management and security recovery.
Support complex and high-severity incident response with internal teams, SOC providers and specialist partners.
Improve vulnerability management using business risk, exploitability, attack-path context and threat intelligence.
Lead and support practical implementation of ISO 27001 controls, audits, remediation and continual improvement.
Support Cyber Essentials Plus, client assurance and regulatory/contractual security requirements.
Lead on AI security , including practical controls for Microsoft 365 Copilot, AI agents, custom AI applications and emerging technologies.
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Cyber Security Architect & Engineering Lead employer: Circle Recruitment Careers
As a Senior Security Engineer with our esteemed Government client, you will be part of a dynamic team dedicated to enhancing national security. The company fosters a collaborative work culture, offering flexible working arrangements and opportunities for professional growth through continuous training and development. With offices located nationally, you can enjoy the benefits of a supportive environment while contributing to meaningful projects that make a real difference.
Contact Details:
Circle Recruitment Careers Recruitment Team
