Our client, a leading federal defense contractor has a long-term contract opening for a Senior Network Design Engineer with strong enterprise network design experience in Scottsdale, AZ. You will be a member of a cross functional team providing support for Satellite Ground Systems. Responsibilities: - Provide Enterprise Network Design/topology - High speed network design and implementation - Maintenance of Network topology that will utilize Linux IDM/Windows Servers for DNS and Account Management, Juniper Firewalls, Arista Switches and NAS/SAN storage - Provide hands-on implementation and troubleshooting