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Kothalanka Manideep

Network Administrator • Vijayawada, India • d************@gmail.com • +91*******965 • drivetube.ai/•••••

Professional Summary

Network Administrator with 5 years of experience managing 24x7 enterprise WAN and LAN infrastructure for IT services environments. Experienced in implementing site-to-site VPNs on Cisco ISR series, administering Cisco Catalyst switching platforms, and operating Sophos firewall appliances to enforce perimeter security. Skilled in BGP and OSPF routing, HSRP/VRRP high-availability, VLAN segmentation, and core services (DHCP, DNS, TFTP). Proven track record supporting multi-site connectivity, coordinating with ISPs (Airtel, Tata, Reliance) and escalating to Cisco TAC for complex router/switch incidents. Strong ownership of network documentation, backup schedules, and change management; comfortable working in ticket-driven operations and performing IOS upgrades and configuration hardening. Seeking to apply hands-on infrastructure operations and troubleshooting expertise to ensure resilient, secure, and high-availability corporate networks.

Technical Skills

Version Control & Development Tools: Windows,Windows Server
Network & Endpoint Security: Sophos,Firewall
Networking & Infrastructure: Cisco ISR,Cisco Catalyst,OSPF,BGP,VLAN
Project Management & Collaboration: XP

Work Experience

Invensis Technologies
Bangalore, India
Network Administrator
August 2021 – Present
Worked at Invensis Technologies, an IT services provider; supported 24x7 enterprise network infrastructure and connectivity between offices and data centers.
Tech Stack: Cisco ISR 4000, Cisco Catalyst 3750, Sophos Firewall, OSPF, BGP, VLAN, Ticketing system, Cisco TAC, Airtel, Tata, Reliance
  • Implemented and managed site-to-site VPN tunnels on Cisco ISR 4000 routers using IPsec to secure communications between branch offices and data centers.
  • Troubleshot complex WAN routing issues using BGP and OSPF to stabilize inter-office reachability and resolve route convergence problems.
  • Configured and maintained Layer 2 switching and VLAN segmentation on Cisco Catalyst 3750 to improve traffic isolation and reduce broadcast domains.
  • Administered Sophos Firewall policies and VPNs to enforce perimeter access controls and maintain secure remote connections.
  • Monitored network performance and availability through ticketing system workflows to detect and remediate latency and packet loss incidents.
  • Partnered with ISPs (Airtel, Tata, Reliance) to diagnose carrier-level faults and validate circuit terminations for restored service.
  • Created and maintained technical documentation, up-to-date network diagrams, and backup schedules for core network devices to support audits and change control.
  • Engaged Cisco TAC for escalations, applied IOS updates and configuration hardening to routers and switches to reduce vulnerability exposure.

Education

KL University
B.Tech • Vijayawada, India • August 2009 – May 2013
Sri Chaitanya College
Intermediate • Vijayawada, India • July 2007 – May 2009
Bhasyam School
SSC • Vijayawada, India • July 2006 – May 2007

Certifications

Cisco CCNA 200-125 Routing & Switching — Cisco

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