Venkatesh Babu S

Network Engineer with 3 years of experience designing, implementing, and troubleshooting enterprise LAN/WAN infrastructure on Cisco IOS/IOS-XE. Proficient in OSPF, BGP, EIGRP, VLANs, STP, HSRP/VRRP, IPsec VPNs, ACLs, QoS, and SNMP monitoring across multi-site enterprise and industrial environments supporting 5,000+ endpoints. Strong in packet analysis, root-cause troubleshooting, and network security. CCNA certified; M.S. in Cybersecurity and Networks.

Network Engineer at Cisco (2026-04 – Present)

• Architect and support resilient multi-site enterprise LAN/WAN infrastructure using Cisco IOS-XE, OSPF, and BGP, reducing inter-site convergence time by 42% and eliminating single points of failure across 3 data centers.
• Deploy VLAN segmentation, inter-VLAN routing, ACLs, port security, and NAC across Cisco Catalyst environments, securing connectivity for 5,000+ endpoints.
• Engineer and maintain IPsec VPN connectivity with HSRP-based high availability for 200+ remote sites, achieving 99.98% tunnel uptime.
• Implement QoS policies and SNMP monitoring with SolarWinds NPM to improve performance, identify latency issues, and detect incidents before user impact.

Network Engineer at Siemens (2022-01 – 2024-07)

• Redesigned legacy flat networks into hierarchical Cisco three-tier architectures using Catalyst switches, EtherChannel, and STP optimization, reducing broadcast storm incidents by 80% across 12 manufacturing sites.
• Migrated 150+ branch offices from EIGRP to multi-area OSPF, improving routing scalability and convergence during link failures.
• Deployed centralized DHCP, DNS, and NTP services with NAT/PAT for 8,000+ devices, reducing IP conflicts and standardizing network services.
• Resolved 95% of 300+ escalated incidents within SLA using Wireshark packet analysis and root-cause troubleshooting.
• Automated network documentation and configuration backups with SecureCRT scripting and SolarWinds, improving audit readiness.

M.S. in Cybersecurity and Networks – University of New Haven (2026-05)

B.E. in Computer Science (Cybersecurity Specialization) – Annamacharya Institute of Technology and Sciences (2024-04)