Network Security Engineer

The ONE Group Ltd • stevenage, england, United-Kingdom • Posted May 31, 2026

Location stevenage, england
Job Type Full-time
Category IT & Technology
Posted May 31, 2026

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Working Pattern: 24/7 shift rota on-site & on-call

We’re looking for a Network Security Engineer to join a high-performance security operations environment, protecting critical infrastructure and ensuring the resilience of complex enterprise networks. You’ll work within a 24/7 Incident Response function, combining hands‑on engineering with real‑time threat detection, investigation, and remediation.

Key Responsibilities:

  • Monitor, investigate and triage security events within a 24/7 SOC environment
  • Configure, maintain and troubleshoot enterprise firewalls (Cisco, Palo Alto, Checkpoint)
  • Manage secure proxy platforms such as Bluecoat ...

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