Senior Security Engineer (Team Leader)

Senior Security Engineer (Team Lead)
Hybrid Leeds once a quarter
I’m working with a leading organisation looking for a Senior Security Engineer (Team Lead) to take ownership of a dedicated security engineering function within a highly regulated environment.

This is a senior hands-on leadership role combining security engineering, platform ownership, technical leadership and people management. You’ll be the escalation point for complex security issues, helping shape security capability and drive continual improvement across the environment.

Key Responsibilities:

Lead and mentor a team of security engineers and analysts
Act as the technical escalation point for complex incidents and platform issues
Own the configuration, optimisation and lifecycle management of security platforms
Drive improvements across detection, automation and security operations
Support SOC teams with investigations, threat response and technical guidance
Maintain engineering standards, documentation and security best practice
Essential Experience:

Strong background in Security Engineering / Cyber Defence
Hands-on experience with the Microsoft Security stack, including:
Microsoft Defender XDR
Defender for Endpoint
Microsoft Sentinel
KQL
Experience with SIEM engineering, detection tuning and log ingestion
Understanding of SOAR, automation and security tooling integrations
Experience working across hybrid cloud environments (Azure/on-prem)
Strong stakeholder management and technical leadership skills
Experience within regulated environments (government, financial services, CNI or similar) and UK security clearance eligibility would be highly desirable.

This role would suit a Senior Security Engineer, Security Engineering Lead or Cyber Technical Lead looking to take ownership of a security function and influence the future direction of cyber capability