Maintain operational leadership and mission impact: Plan and execute ASIs with zero mission-impact downtime, lead Cisco lifecycle upgrades (Catalyst / NX-OS platforms), support DISA NAV assessments and remediation of CAT I / CAT II findings, integrate SolarWinds monitoring post-migration for enhanced operational visibility, coordinate cross-functional teams across engineering, cybersecurity, and operations. + Oversee the implementation and maintenance of enterprise project with the following technologies, Versa SD-WAN (Thunderdome architecture), Secure Access Service Edge (SASE), Zero Trust Network Access (ZTNA), Micro-segmentation and policy enforcement, IPSec encrypted overlays and TLS secure tunnels, Application-aware routing and dynamic path selection, Secure multi-enclave integration.