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Frontier Resourcing Ltd

Lead Network Security Engineer

Bristol, United KingdomFull-timeLeadCompetitiveMay 7, 2026
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Job Description

We’re supporting an advanced tech defence client seeking a Senior/ Lead Network Security Engineer. You’ll lead a small Network team, you’ll be focused on process improvement, team oversight and secure network delivery across multiple projects.

What you’ll be doing

  • Lead a small team of network & security engineers

  • Oversee ticket queues, change controls, and BAU operations

  • Drive improvements in process, documentation, and delivery standards

  • Act as technical lead for network implementation

  • Work closely with project teams to ensure smooth, aligned deployments

What we’re looking for

  • Strong experience with:

  • Juniper (LAN switching, SRX)

  • Palo Alto firewalls

  • Enterprise networking environments

  • Experience:

  • Managing engineers / leading teams

  • Working with EDR & SIEM tools

  • Engaging technical & non-technical stakeholders

  • Exposure to cloud networking

Tech environment

  • Cisco (current) → migrating to Juniper

  • Meraki wireless

  • Windows + Ubuntu (Nutanix / AHV)

  • SIEM/SOC: Defender, Sentinel, Splunk

  • Tooling: Darktrace, Nessus

Desirable

  • Check Point experience

  • Security testing

  • IEC 62443

Please apply now for consideration and a call back about this interesting/ possible long term contract

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This role has been verified for authenticity, market-rate compensation, and remote eligibility.

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Lead Network Security Engineer at Frontier Resourcing Ltd | Recruit Myself