Manage network infrastructure and service provider coordination in support of the PWS 99.999% minimum network availability target; ensure immediate notification of conditions that threaten service levels and written notification of Priority 1 incidents within 30 minutes during stated business hours. Lead Tier 0, Tier 1, and Tier 2 service desk support for systems, applications, infrastructure, networks, and telecommunications across the designated DC3 locations and local support windows; oversee ticket triage, routing, tracking, resolution, metrics, troubleshooting guides, and SOPs.