Naveen Madhu
Bangalore
Summary
I would like to be part of an organization where I will be able to update my knowledge and skills in accordance with the latest trends. In addition, I want to contribute my creativity and hard work towards the success of the company and be part of a dynamic team.
Experienced with network configuration, security management, and performance optimization. Utilizes advanced troubleshooting techniques to resolve complex network issues efficiently. Strong understanding of network protocols and infrastructure management, ensuring robust and secure network operations.
Overview
11
11
years of professional experience
1
1
Certification
Work History
Network Specialist
LKQI
11.2022 - Current
- Configure network routers, switches, transmission equipment and support devices as per standard procedure.
- Configured, managed, and troubleshot enterprise-level LAN/WAN infrastructure using Cisco routers and switches
- Configuration of new routers / switches and re configuration of the same
- Analyze the WAN traffic (Live Action) and upgrade the wan services if needed
- Assist with escalations as requested by Engineers or Management
- Work on Zscaler related issues
- Works on RMA issues with Cisco and other vendors
- Manage Zscaler Internet Access (ZIA) to forward outbound web traffic through the Zscaler cloud for secure internet access, with real-time policy enforcement to block threats.
- Troubleshooting wireless related issues (Cisco & Aruba)
- Provided network troubleshooting and support for Meraki devices, including troubleshooting connectivity issues, misconfigurations, and performance problems using Meraki Dashboard diagnostic tools.
- Managing Meraki MS switches, ensuring the proper configuration of VLANs, Layer 2/3 switching, and network segmentation to support business operations and improve network security
- Troubleshoot issues related to traffic flow by capturing and analyzing traffic logs to identify discrepancies in firewall rules and network configurations on FortiGate firewalls
- Coordinating with cross-functional teams to ensure seamless integration of new applications into the existing network infrastructure.
- Configuring and installed wireless controllers, routers and switches.
Network Engineer
Hinduja Global Solutions
01.2020 - 11.2022
- Executed the operation and implementation of the HGS network
- Providing WAN and LAN support to the own network
- Configuring and troubleshooting access to distribution and core series of Cisco switches and routers
- Making emergency changes in the network to ensure uninterrupted services
- Upgrade devices on periodic basis to meet the NOS recommended standards
- Conducting network resiliency tests on resilient devices
- Troubleshoot STP, VPN, Firewalls and network related issues
- Hands on experience on Cisco 9300, 3850, 3650 and 2960 series switches
- Hands on experience in Cisco ASA, FTD and FMC
- Experienced in deploying and operations of Aruba wireless Networks and managing clearpass and airwave
- Vulnerability fix on network devices
L2 Residential Engineer
Dimension Data
05.2014 - 12.2020
- Troubleshooting of complex LAN/WAN infrastructure
- Conducting root cause analysis on Network Incident.
- Work for permanent solution on reoccurring network Incidents
- Troubleshooting High CPU utilization, High Memory Utilization on various Cisco platforms.
- Dealt with Latency, VLAN, VTP, logging issues and troubleshooting the same
- Upgrading Network Devices manually, ISSU and through Tools such as CSPC, NCCM.
- Taking care of all kinds of hardware and Software issues related to Cisco devices within the organization.
- Monitoring network maintenance activities and ensuring prompt troubleshooting of network problems to achieve maximum network up time.
- Troubleshooting IP link related issues like link failure, config mismatch, latency, packet drops.
- Configuring failover in firewalls.
- Deploying policies in Firepower threat defense.
- VPN-IPsec troubleshooting on ASA.
- Security and Traffic Filtering on Cisco Routers and Switches with various ACLs.
Education
Bachelor of Engineering - E.C.E
Jayamatha Engineering college
01.2011
Skills
- Hands-on experience with Zscaler’s Zero Trust Architecture, ensuring secure access to applications without the need for traditional VPN
- Zscaler Internet Access (ZIA) deployment and management for secure web access and traffic filtering
- Hands on experience on various Cisco products such as Catalyst 6500, 4500, 3750, 3650, 2960, ASA 5510 and ASA5505
- Excellent experience in Network Planning, Implementing, Configuring, Troubleshooting and Testing of networking system Layer 2 and Layer 3 Ether Channel
- Hands-on experience in troubleshooting connectivity issues related to Meraki MS and Meraki MR devices
- Hands-on experience on FortiGate firewalls
- Utilized FortiGate CLI (Command Line Interface) and GUI to identify and resolve common firewall issues, including incorrect routing, policy mismatches, and VPN connection failures
- Managing Fortinet FortiGate SD WAN solutions for optimized, secure network traffic routing and application performance
- Cisco Routing and switching
- Familiarity with Cisco network systems and networking principles and practices
- Ether Channel with Different Protocols and Load Balancing them
- STP on Cisco Switches with Different Modes of STP with Advanced STP Features
- VSS implementation and troubleshooting
- Troubleshooting high CPU utilization in 6500,4500,3750,2960 and 3650 switches
- Experienced on automation tools like NCCM and CSPC
- Managed and administered Cisco Meraki network solutions, including Meraki MX security appliances, Meraki MR wireless access points, and Meraki MS switches, ensuring seamless network connectivity and security
- Utilized Meraki Dashboard for remote network monitoring, configuration, and firmware updates, improving operational efficiency and reducing manual intervention
- Utilized Meraki's packet capture and network health monitoring tools to analyze traffic flow, resolve performance issues, and ensure network uptime
- Load balancing techniques
- End user support
Certification
- Cisco Certified Network Professional (Enterprise Core)
- ZDTA (Zscaler Digital Transformation Administrator)
- Cisco Certified Network Associate (200-120)
- VMware certified Associate
Timeline
Network Specialist
LKQI
11.2022 - Current
Network Engineer
Hinduja Global Solutions
01.2020 - 11.2022
L2 Residential Engineer
Dimension Data
05.2014 - 12.2020
Bachelor of Engineering - E.C.E
Jayamatha Engineering college
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