Senior Security Engineer

Claranet Limited
📍 not specified, london, United-Kingdom 💼 Full-time 🕒 Posted June 20, 2026

Job Description

Role Overview

We're looking for a Security Engineer to support the operation, optimisation, and continuous improvement of enterprise security platforms across a complex client environment. You'll work closely with SOC analysts, engineers, and client teams to ensure tooling is effective, resilient, and aligned to evolving threats.

Key Responsibilities
  • Maintain and optimise security platforms including SIEM (Microsoft Sentinel), Defender stack, vulnerability management, DLP, and cloud security tools
  • Ensure platforms are integrated, performing effectively, and aligned to client requirements
  • Support incident response by resolving platform issues, enabling telemetry, and making technical changes where required
  • Deploy and tune detection rules, improving alert quality and reducing false positives
  • Support automation initiatives (e.g. SOAR, LogicApps) to drive operational efficiency
  • Collaborate with SO...

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Job Details

  • Location not specified, london
  • Job Type Full-time
  • Category I.T. & Communications
  • Posted Date June 20, 2026
  • Application Deadline July 30, 2026