SUMMARY

• Highly Experienced IT Infrastructure Professional with 8+ years of experience in Networking - Routing, Switching, Security, Wireless, Network Design, Troubleshooting and Data Center Management with excellent communication skills, knowledge and motivation to handle any complex environment.

TECHNICAL SKILLS

• BGP, OSPF, EIGRP, Policy Based Routing
• VTP, Ether channel, STP, RSTP, MSTP, VLAN, Trunk, SVI, CEF
• HSRP, VRRP, GLBP, Stacking, Virtual switching system
• Nexus 5K, Nexus 2K, fabric extension, VPC configuration
• LWAP/CAPWAP, Autonomous Access points, local/flexconnect switching
• Cisco Wireless LAN Controller, HASSO mode, Anchor/Foreign controller, AP Group, Flexconnect Group, Radio/Global speed rates
• Passive and Predictive wireless site survey, Remediation Report Generation
• Solar winds, Infoblox, Logrythm, Ekahau Site Survey, Wireshark
• TACACS, ACS server, GRE Tunnel, IPSEC over GRE, site to site VPN, DMVPN, Remote access VPN, ACL, Firepower
• Security Policy, Object, DoS protection, File blocking, Vulnerability protection, HA
• Network Migration, Server Migration, Hardware replacement - done in several location in the US that includes configuration of ASA in HA mode, Firepower, Core switch, DMVPN tunnel, PBR)
• 2960, 3750, 3850, 6807, 6504, ME4900, 6513, NX5K, NX2K, C2921, C2951, 5508, IE3000, IE4000, IE5000, IW3702-4E, ASA5500-X
• Copper, Fiber cabling works, Patch Panel connectivity, Racking switches and servers
• Inventory Management, Labelling devices, Configuration backup, Tape Management
• Subnet design, Enterprise Network design, BoM preparation, Logical and Physical network topology creation in Visio
• Upgraded IOS, Nexus, WLC, Access Point, F5, ASA, Firepower
• Linux shell scripting, SQL, C, C++ and Python
• Service Ticket Management and Change Management

PROFESSIONAL EXPERIENCE

Confidential, Lincolnshire, IL

Senior Network Engineer

Responsibilities:

• Operation Support for Zebra’s Global Network infrastructure that contains more than 90 sites globally
• Troubleshooting network set up that contains devices such 2960X, 3750, ASA5500-X, ASA5585, Firepower, FMC, WLC-5500, Extreme Wireless, ACS, Palo Alto Firewall, 6500, Nexus 5K, 2K
• Worked in tools such as SolarWinds, Logrythm, Scrutinizer
• L3 Escalation Engineer for Switching, Routing, Security and Wireless issues
• Handling L2 Network Support team of size eight
• Define SOP and taking initiatives to simplify troubleshooting method/steps for L2 Network team
• Providing service improvement plans for Clients and implementing them.
• Reviewing all changes prepared by L2 Network team and presenting them in CAB
• First point of contact for all Major Network incidents
• Travelled to multiple sites in the US to bring many new offices/sites network into production and to build redundancy (MPLS being Primary and DMVPN tunnel as Secondary)
• Coordinate with vendors such as Sprint, Verizon, AT&T etc for carrier related issues

Confidential

Network Operations and Implementation Engineer

Responsibilities:

• Installing, Configuring and Managing 2960, 6807, 6504, Nexus 5K, Nexus 2K, 2921 router, 5508 WLC, 3702 Access point, 3502 Access point
• Created High Level Design and Low-Level Design Documents for Network Migration
• Configuring VSS in 6807, 6504 switches and built 3750, 3850, 2960X stacks
• Implementing VPC in Nexus switches
• Configuring DHCP server with IP conflict detection and various DHCP options.
• Converting Autonomous Access Points to Light Weight Access Points and deployed more than 100 Access Points
• Creating new WLAN in wireless LAN controller
• Creating interface groups in WLC during wireless client migration to new WLAN
• Implemented Foreign and Anchor Controller set up in WLC
• Configured WLCs in HASSO mode - Active/Standby mode
• Implementing EIGRP and OSPF to provide inter connectivity to devices located in Mayfield, NY
• Configured 2921 router in order to handle legacy servers that uses DECnet protocol
• Created GRE Tunnel between Oswego, NY and Kingston, ON
• Done wireless site survey and wireless design based on survey report
• Underground cabling, racking switches, labelling, fiber patch panel cabling and inventory management in Data Center
• Installed Solar Winds syslog server and configuration added in all switches and WLC
• Troubleshooting Enterprise and Automation user’s network issues - wired and wireless
• Identified all rogue devices using NetformX discovery tool
• ROMMON mode and password recovery of old switches
• Do root cause analysis, prepare resolution plan for all P1 issues; Follow Change Management process to implement the resolution.
• Onsite support for Production critical issues, On call support/Remote troubleshooting for all other issues
• Completed more than 40 server migration, Core and Distribution switch Migration and Replaced around 200 switches.

Confidential

Network Operations and Field Engineer

Responsibilities:

• Handling end to end Data Centers operations for 2 Data Centers located in Wall, NJ, which includes hardware support for 300+ devices such as 2960, 6500, 2911, 2921, ME4900, IP Phones, 2700, 5508, f5, RiverBed, Non-Cisco switches, SL500 Tape library, third party switches and routers.
• Completed Migration of 144 servers as per new Network optimization design
• Successfully upgraded IOS image in more than 200 switches around the globe with zero impact to Business.
• New Rack and Power Distribution Unit installation in Chennai data Center in India
• Creating redundancy at all layers - Access, Distribution and Core using Etherchannel, VSS, Stack
• Configured Cisco Prime from scratch and added all wired and wireless devices with various policy-based access to users.
• Server, Switch Racking, Network cabling, Labeling and Inventory Management
• Mitigating Network vulnerability issues identified by National Security Agency (US Government)
• Installing and provide remote hand support for third party switches, Windows and Linux Servers.
• Implementing flex connect local switching and local authentication in the WLC
• Troubleshooting Users’ network issue remotely over WebEx
• Replacing SUP Engine, Turin/NGE Card, Flash, Switch line Card Module, Power Module, Cable etc
• Performed WAN testing between New York and Frankfurt, Loop Back testing
• Handling Level 1 Network security issues
• Handling all operational issues for around 900 switches located in various geography (USA, Canada, India, Singapore, UK)
• Implementing and testing the new design/technology applications in the LAB environment and monitoring the same for performance and issue analysis.
• Handling and closing all the customer Escalations
• Heading and resolving production related sev1 critical issues
• Took initiative to identify poorly documented data center topology and created the updated physical and logical diagrams. This reduced plenty of time in troubleshooting (especially Routing issues)
• Configured HSRP in 6500 series switch to ensure high availability of Core and Outside network
• Used features such as Route-map, Tagging, default route information, Route aggregation, stub router configuration and Ether-channel Load balancing to optimize the network performance
• Reserving IP and adding DNS information for the network using Infoblox