Lead Network Design Engineer (L3/3.5)

Network Architecture & Design

• Design and govern enterprise network architectures across datacentres, public cloud and corporate environments.

• Define standards, patterns and roadmaps for routing, switching, firewall, DNS and load balancing technologies.

• Lead network design reviews, technical governance and architectural decision-making.

• Design highly available and resilient network solutions supporting business-critical applications and customer-facing platforms.

• Develop network standards covering segmentation, availability, performance and security.

L3 / L3.5 Engineering & Technical Leadership

• Act as a senior escalation point for complex network incidents and major service outages.

• Perform deep root-cause analysis across LAN, WAN, cloud and security platforms.

• Provide technical leadership during major incidents and high-risk infrastructure changes.

• Lead troubleshooting activities across routing, switching, firewall, DNS and application delivery environments.

• Mentor network engineers and support technical capability development across the team.

Cloud & Hybrid Connectivity

• Design and support network architectures within AWS, and some work in Azure environments.

• Build and maintain secure hybrid connectivity between cloud platforms, datacentres and customer environments.

• Design and support:

• AWS VPCs

• Transit Gateways

• Route Tables

• Direct Connect

• Site-to-Site VPNs

• Security Groups

• Network ACLs

• Support Azure networking including:

• Virtual Networks

• ExpressRoute

• VPN Gateways

• NSGs

• Virtual WAN

Security Engineering

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