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Randstad Logo Randstad · IT - Administration

Network Architect

United Kingdom, City of London 50.00 - 70.00 GBP / Hour · Job Posted May 29, 2026
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Job Description

A major global IT systems integrator is seeking an experienced Network Architect to support a high-profile, secure public sector transition project. In this role, you will act as the key design authority, translating complex client requirements into robust, high-quality network infrastructure. This is highly collaborative, where you will bridge the gap between initial concepts and technical execution.

Job Responsibility

  • Author and deliver comprehensive High-Level Design (HLD) and Low-Level Design (LLD) documentation, guiding them through internal and stakeholder approval processes
  • Lead network projects from a design perspective, ensuring all technical deliverables are met with precision
  • Work closely with Network Engineers and the wider infrastructure team to coordinate the successful deployment of your designs
  • Provide technical leadership, assist team members with architectural issues, and help compile hardware Bills of Materials (BoM)

Requirements

  • Network Design: Proven track record in architecture and design delivery for enterprise routing, switching, and firewalls
  • Core Certification: Minimum CCNP level (or equivalent) across major enterprise networking vendors
  • Firewall Expertise: Hands-on design experience with next-generation firewall platforms (e.g., Palo Alto, Fortinet, or Checkpoint)
  • Technical Documentation: Extensive experience producing high-quality architectural designs, blueprints, and implementation plans for large-scale environments
  • Active SC Clearance Required

Nice to have

  • Exposure to cloud technologies (AWS, MS Azure, or Hybrid Cloud environments)
  • Experience with modern Software-Defined Networking (SDN) or Data Centre fabric overlays
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