The Principal Network Engineer will play a crucial role in both pre-sale and post-sale network implementations for a large Value Added Reseller. This position requires a technical leader who can provide strategic direction and oversee the deployment and delivery of network solutions. The role involves mentoring a team of network engineers and managing IT infrastructure engineering for data center upgrades, troubleshooting, and migrations, with a focus on advanced technologies such as Cisco, F5, and Palo Alto solutions.