Configure Enterprise WAN Infrastructure

I am rolling out a new Wide Area Network and want an experienced network engineer to guide the process end-to-end. The immediate priorities are: selecting the right routers and switches for each site, creating a resilient topology, and building an IPsec-based VPN that links all branches securely... (Budget: $15 - $25 USD, Jobs: Cisco, Documentation, Juniper, Linux, Network Administration, Network Engineering, Network Monitoring, Network Security, System Admin, VPN)