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Senior Network Security Specialist

McGregor Boyall
London, United Kingdom
Last week
£80,000 – £100,000 pa

Salary

£80,000 – £100,000 pa

Job Type
Permanent
Seniority
Senior
Education
Degree
Posted
22 May 2026 (Last week)
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Network Security Specialist, Fortinet, Palo Alto, Zero Trust, Zscaler, Automation

Hybrid working *** 3 days in office (London)

My client is seeking a Network Security Specialist to join his team in London. This is a newly created role and sits in the Network Team and will act as a conduit between the Network Team and InfoSec team. It is an ideal opportunity for someone who is looking to step up into a technical authority/delivery lead position.

As a Senior Network Security Specialist, you will design, implement and govern the network security controls that protect their modern, high-performance enterprise network. You will take a hands-on lead role in shaping the network security roadmap, defining policies and standards and driving the adoption of Zero Trust and micro-segmentation across the organisation.

Skills and experience required:

  • Experience defining/implementing network segmentation and micro-segmentation strategies
  • Zero Trust networking principles and identity-aware access controls
  • Designing, implementing and optimising firewall and proxy security policies.
  • Deep hands-on experience with:
    • Fortinet (FortiGate, FortiManager, FortiAnalyzer)
    • Zscaler (ZIA, ZPA, Zero Trust Exchange)
    • Palo Alto Networks (PAN-OS, Panorama, policy design) - Desirable
  • Experience securing hybrid environments spanning on-prem, cloud, and containerised platforms.
  • Automation and infrastructure-as-code approaches for deploying security controls.
  • Routing, switching, load balancing and security architectures, with extensive operational and engineering experience.
  • TCP/IP, BGP, OSPF, VLANs, VRF, VPN, VXLAN, NAT, ACLs, DNS.
  • Packet capture and network analytics and monitoring tools.
  • Desirable:Exposure to security controls and design for Kubernetes/OpenShift
  • Experience within highly regulatated environments

If this is of interest and you have the required skills, please submit your CV over for immediate consdieration.

McGregor Boyall is an equal opportunity employer and do not discriminate on any grounds.

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