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Network Security Architect

Location:
London, Greater London, South East, England
Salary:
£600 - £700 per day, Benefits: Extensive remote working
Job Type:
Contract
Date Posted:
12 days ago
Expiry Date:
25/03/2026
Job Ref:
BH-125165
Start Date:
08/02/2026
Contact:
Matt O'Hare
Contact Email:
matt.ohare@xcede.com
Specialism:
Security Architecture & EngineeringEngland
Network Security Architect is required to architect and execute a ZTNA strategy at a global enterprise. The engagement comprises:
  • Architecting and implementing Zero Trust Network Architecture (ZTNA)
  • Architecting Zscaler solutions (ZIA, ZPA, ZDX) for secure user and application access
  • Define and maintain enterprise network architecture standards and roadmaps
  • Design scalable LAN, WAN, SD-WAN, and cloud network architectures
  • Produce high-level and low-level design documents (HLD/LLD)
  • Lead migrations from legacy VPNs to Zscaler ZPA / Zero Trust models
  • Architect next-generation firewall and segmentation strategies
  • Design secure perimeter, east-west, and north-south traffic controls
  • Architect enterprise routing and switching using BGP, OSPF, VLANs, VRFs, QoS
  • Ensure secure routing practices and traffic segmentation
  • Design secure cloud network architectures in AWS, Azure, or GCP
  • Align cloud networking with Zero Trust and security best practices
The ideal candidate will have extensive ZScaler experience complemented by deep knowledge of routing and switching principles (CCIE level).

Whilst this is predominantly a remote role, there may be some requirement to attend in-person meetings in Central London.
 
 

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Matt O'Hare

Matt O'Hare

Specialisms: Cyber, Networks, Network Security & Operations
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