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🥝 Senior Operational Security Engineer

Crown Agents Bank | London, United Kingdom | Posted June 05, 2026

Job Description

Job Description

The Senior Operational Security Engineer owns and operates the firm’s core protective and detective security controls across endpoint, network, identity and data security domains, converting multiple best-efforts operational security activities into sustainable, auditable and scalable services.

Security Operations — Endpoint & Network

  • Own and operate Endpoint Detection & Response (EDR) tooling including alert triage, threat containment and endpoint health monitoring across all firm devices.
  • Enforce endpoint security baselines, compliance checks and hardening standards across the estate.
  • Manage anti-malware controls including policy configuration, update management and alert response.
  • Configure and manage firewall and Web Application Firewall (WAF) controls, network segmentation, and remote access security.
  • Working closely with the SD and Workspace team to maintain baseline security sta...

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