Vishnu T.

Experience

1. Senior Network Engineer

   Consumers Energy

   Nov 2024 — Present · Jackson, MI, US

   Configured, monitored, and troubleshot dynamic routing protocols including BGP, OSPF, and EIGRP to ensure uninterrupted enterprise network operations.Designed and implemented core switching infrastructure focused on scalability, high throughput, and low-latency performance.Deployed and managed Palo Alto firewalls, enabling advanced threat prevention, application-layer visibility, and zero-trust segmentation.Led internal firewall segmentation initiatives to isolate high-risk zones and protect critical business applications.Diagnosed and resolved complex connectivity issues, including policy conflicts, interface failures, and VPN disruptions.Built and maintained secure IPSec VPN tunnels for interconnectivity with third-party vendors and external partners.Engineered efficient VLAN architectures to segregate traffic, enhance performance, and enforce access control.Administered DHCP and DNS services to maintain consistent and reliable IP allocation and name resolution across the enterprise.Investigated and resolved TCP/UDP flow issues impacting application responsiveness and stability.Used SolarWinds for continuous monitoring of routers, switches, firewalls, and wireless infrastructure, enabling proactive issue resolution.Responded to network outages with rapid root cause analysis and remediation to restore uptime.Maintained and optimized SolarWinds monitoring by managing alert configurations and device inventory.Addressed ServiceNow incidents involving network faults, outages, and performance degradation with timely and effective resolution.