Senior Cyber Security Lead

Radius; Greater London; On-site; GBP 80,000 - 120,000; Full time

Job summary

Radius is seeking a Cyber Security Assurance & Incident Response Lead for a client in East London. The role combines security assurance, governance, and incident response leadership with technical capability to support investigations, monitoring, threat analysis, and vulnerability management.

The successful candidate will work within established frameworks (ISO 27001, SOC2, NIST CSF, GDPR, NIS2) and oversee MSSP/third-party relationships, strengthening Telehouse's cyber security posture in

Qualifications

• Minimum five years' experience in Cyber Security.
• Experience with ISO 27001, SOC2, NIST Cyber Security Framework, GDPR, NIS2.
• Strong knowledge of EDR, SIEM, NDR, IAM, and Zero Trust.
• Experience in Security Operations, Incident Response, or GRC.
• Experience managing MSSP/third-party relationships.

Responsibilities

• Lead security assurance and incident response coordination for client systems.
• Oversee vulnerability management and security governance across environments.
• Support investigations, security monitoring activities, and major cyber incidents as needed.

Skills

Cyber security leadership

Incident response

Security governance

Threat analysis

Vulnerability management

Compliance frameworks

Tools

EDR

SIEM

NDR

IAM

PAM encryption

Job description

Radius is seeking a talent Cyber Security Assurance & Incident Response Lead for our client based in East London.

Whilst primarily focused on security assurance, governance, and incident response leadership, the successful candidate will possess sufficient technical capability to support investigations, security monitoring activities, threat analysis, vulnerability management, and major cyber incidents when required.

You must have strong experience within recognised frameworks and regulations including ISO 27001, SOC2, NIST Cyber Security Framework, NIST 800-61, GDPR, NIS2, Cyber Essentials.

Minimum five years' experience in Cyber Security.

Must have knowledge of the following: EDR, SIEM, NDR, applications, security architecture, IAM, PAM encryption technologies, network security, Zero Trust, secure interconnection patterns and cyber security principles.

Experience within Security Operations, Incident Response, Security Assurance, or GRC functions.

Experience managing or overseeing MSSP, SOC activities, third party management.

Strong understanding of:

ISO 27001, SOC2, NIST Cyber Security Framework, Incident Response methodologies, Cyber Security Governance, GDPR and regulatory compliance

The Cyber Security Assurance & Incident Response Lead is responsible for strengthening and maintaining Telehouse's cyber security posture through effective security assurance, incident response coordination, vulnerability management, security governance, and operational security support.

Whilst primarily focused on security assurance, governance, and incident response leadership, the successful candidate will possess sufficient technical capability to support investigations, security monitoring activities, threat analysis, vulnerability management, and major cyber incidents when required.