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Stacuity · IT - Administration

Principal Network Architect

Isle of Man, Douglas · Job Posted June 29, 2026
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Job Description

As Principal Network Architect at Stacuity, you will be the senior design authority for our global IP network – the underlying connectivity fabric that carries traffic between our mobile core, our edge sites, and our customers and partners worldwide...

Job Responsibility

  • Act as the design authority for Stacuity’s global network
  • Author and deliver High-Level Design (HLD) and Low-Level Design (LLD) documentation
  • Design and evolve global WAN, LAN, and Internet edge architecture
  • Define network standards
  • Evaluate emerging network technologies
  • Be hands-on alongside engineers
  • Lead network projects from a design perspective
  • Build and maintain hardware Bills of Materials (BoM)
  • Act as a senior escalation point for complex network incidents
  • Provide technical leadership and mentorship
  • Work closely with platform, security, and development teams
  • Support ISO 27001 information security programme
  • Communicate network strategy and project status

Requirements

  • Minimum CCNP level (or equivalent) across major enterprise networking vendors
  • Excellent written and spoken English
  • Strong grounding in high-availability and failover principles at both Layer 2 and Layer 3
  • Deep, practical expertise in IP routing at scale, including BGP (iBGP and eBGP) and IS-IS
  • Solid experience with tunnelling technologies such as GRE and VXLAN, and Layer 2 networking including HSRP/VRRP/VARP, VLANs and trunking, STP, and ARP/NDP
  • Working knowledge of VPN technologies and IPsec
  • Hands-on firewall configuration and management experience
  • Hands-on configuration and troubleshooting experience across major networking vendors
  • Experience with SD-WAN and interconnection fabrics
  • Experience with monitoring and observability tooling
  • Extensive experience producing high-quality architectural designs
  • Strong problem investigation, troubleshooting, and resolution skills
  • Ability to communicate technical concepts and trade-offs clearly
  • Design-quality mindset
  • Strong analytical thinking
  • Clear communicator
  • Collaborative by nature
  • Ownership mentality
  • Curious and proactive
  • Continuous improvement mindset
  • Values aligned with Stacuity’s culture
  • Able to work flexible hours
  • Willing to undertake a DBS check
  • Right to work in the Isle of Man or UK

Nice to have

  • Degree (or equivalent) in Computer Science, Network Engineering, or a related discipline
  • Higher-level vendor certification (e.g. CCIE, JNCIE, or equivalent)
  • Exposure to cloud networking
  • Experience working with hypervisors and virtualisation
  • Awareness of mobile core and mobile network concepts
  • HPE server management and Linux administration skills
  • IOM Worker
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