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Senior Security Engineer

Jobleads-UK | Billericay, United Kingdom | Posted June 21, 2026

Position Overview

Salary: £100,000 - 100,000 per year


Requirements



  • We require active UK SC clearance as a minimum, with willingness and ability to undergo DV clearance.

  • We are looking for a senior hands‑on security engineer, infrastructure security engineer, network security engineer, platform security engineer, cyber security engineer, DevSecOps engineer, or security‑focused infrastructure specialist.

  • We need strong experience in enterprise firewalling, firewall policy, firewall hardening, and firewall management.

  • We want hands‑on experience with Palo Alto Networks firewalls, including Panorama, GlobalProtect, App‑ID, User‑ID, NAT, VPN, and threat prevention.

  • We require experience with Cisco security technologies, including ASA, FTD, ISE, and secure routing and switching.

  • We are looking for experience with Elastic Stack, Elasticsearch, Kibana, Beats, Logstash, Elastic Security, SIEM, or security mo...

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