Cyber Security Engineer III - London - £100k + Bonus scheme

Cyber Security Engineer III – £100k Bonus scheme

I’m recruiting for a Cyber Security Engineer III to join a global cyber security team. This is a hands-on role focused on Microsoft Sentinel and Microsoft Defender XDR, responsible for improving detection capability, automating security operations, and strengthening the organisation’s security posture across enterprise cloud and hybrid environments.

Operating at Assistant Manager level, you’ll support junior analysts while remaining technically focused. The role combines SIEM engineering, detection development, automation, and incident response optimisation within a modern Microsoft security ecosystem.

Essential Skills/Experience:

• Microsoft Sentinel (SIEM engineering, analytics rules, workbooks, connectors)
• Microsoft Defender XDR (Endpoint, Identity, Cloud Apps, Office 365)
• Detection engineering using KQL
• Threat detection aligned with MITRE ATT&CK framework
• SIEM automation using Azure Logic Apps / Sentinel playbooks
• Incident response and SOC operations experience
• Microsoft 365 / Azure security controls (Entra ID, Conditional Access, MFA)
• Security monitoring, alert tuning, and false positive reduction
• Strong documentation skills (runbooks, detection logic, SOC processes)
• Comfortable supporting and mentoring junior analysts

Desirable:

• Microsoft Purview / DLP
• Intune and endpoint security management
• NCSC guidance, Zero Trust security architecture
• Cyber Essentials Plus or similar compliance frameworks
• Threat hunting within Sentinel / Defender
• Experience integrating third-party security tools into Sentinel
• Relevant certifications (SC-200, AZ-500, CISSP, GIAC or similar)

Salary:

£100k bonus scheme

Location:

4x a week in the office in London

How to Apply

Please reply asap along with your CV to be considered for this position. You can also reach out to me on [email protected] or 0191 406 6111.

Pearson Carter is the Global Leader in Microsoft Technology Recruitment with specialist roles across the globe – www.pearsoncarter.com.