SUMMARY

• Network Engineer with 12+ years of experience in implementation, design, monitoring and operational activities on network infrastructure supporting Network, Telecom and Datacenter.
• Working experience include Cisco routers ASR 1K/4K/6K, Cisco Catalyst 4K/6K, 7200VXR, 3750, 3850, 4500M both on the hardware and IOS/IOS - XR.
• Experience with various LAN and WAN technologies and protocols like: - TCP/IP, VLAN, VTP, STP, EIGRP, OSPF, BGP, GRE/IPSec VPNs, NAT, DNS, MPLS and access list.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy
• Experience Cisco (5505/5510) Firewalls. Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS).
• Experience in external and internal DNS, Address management on both IPv4 and IPv6.
• Migration of legacy telephony to Cisco IP Telephony as per the organization standards.
• Setup Disaster Recovery environment and execute the same half yearly to ensure that business is running fine without hassles.
• Vendor management related to Network, Telecoms and AV related.
• Proper documentation of the infrastructure and timely review and update for internal and external audit.
• Hands on experience in routing protocols like EIGRP, BGP, OSPF, Static etc.
• Strong Analytical, Problem Solving, Technical Troubleshooting, Decision-Making, Customer Service Skills, Results-Driven.
• Effectively managed process according to ITIL framework standards implemented in the organization.
• Implementation and configuration of IPSEC VPN & Cisco DMVPN Tunnels.
• Enterprise Switching with VLANs, Trunks, Spanning Tree, Port Spanning etc.

TECHNICAL SKILLS

• Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500,4500, 2900 series)
• Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec,
• VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi
• PIX Firewall (506/515/525/535 ), ASA Firewall (5585/5510), Checkpoint
• Solar Winds, SNMP, Cisco Works, Wireshark, NFA, NPC, SPLUNK, Thousand Eyes
• Cisco CSM, F5 Networks (Big-IP)
• WAN
• Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP,
• DS1,DS3,OC3, T1 /T3 & SONET
• Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q
• IKE, IPSEC, SSL-VPN
• RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP,
• VRRP, GLBP, TACACS+, Radius, AAA
• TACACS+, RADIUS, Cisco ACS.
• Windows 10,8,7/XP, Windows Server 2008/2003, Basic Linux

PROFESSIONAL EXPERIENCE

Confidential

Responsibilities:

• Work involves configuration and implementation of various Cisco Routers & L2/L3 Switches.
• Extensive experience in configuring and implementing BGP, EIGRP.
• Configuration of EIGRP protocol with route filtering and route redistribution, installed and maintained Cisco 4900, ASR 1000, 3900, 6807-XL, 7200 routes; Cisco Switches 3750, 3800, 6k, 4500; Nexus 4k, 7010 etc.
• Handling Remedy ticketing tool for day-to-day operational activities including Incident management, Change management and Problem management.
• Developed documentation, system standards and SOPs within the organization.
• Assisted in troubleshooting LAN connectivity and hardware issues in the network.
• Worked on FTP, HTTP, DNS, servers in windows server-client environment with resource allocation to desired Virtual LANs of network.
• Responsible for day-to-day management of Cisco Devices, Traffic management and monitoring using Enterprise monitoring tools, SPLUNK, Thousand Eyes, NFA/NPC, Cisco works etc.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Providing daily network support for national wide area network consisting of IXP, MPLS, VPN and point-to point site.
• Gained knowledge on Cisco ONS1554 for ITaaC.
• Worked on the following projects.

Confidential

Responsibilities:

• Installation, configuration and troubleshooting of cisco routers and switches,
• Support the client for their day-to-day network operational activities.
• Perform backup activities for all the sites to ensure 100% service availability.
• Providing support to client in changing ACL's, Route Maps when needed.
• Helped client in dealing with external vendors for the best carrier and support solutions.
• Configured and installed Cisco 2500, 3640, 3900 and 7206 Routers, 6506/6509.
• Troubleshot network bandwidth performance, mismatched framing and line coding.
• Coordinated with LAN/WAN engineers the development and implements security policy.
• Monitored usage of network resources with Cisco works, and using sidewinder in PIX Firewall.
• Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet routers.
• Configured remote users to access corporate LAN with VPN connectivity.
• Interfaced with various vendors for company products.
• Configured Frame-Relay, ISDN, ATM, Protocols, & load balancing switches.
• Configured IP, HDLC, PPP, TCP/IP, BGP, EIGRP, RIP, HSRP.
• Coordinated the routing of data for Internet access via diversity, load balancing on MPLS.
• Versed in proxy servers, web servers, and VPN networks on Windows and Unix OS

Confidential

Sr. Network engineer

Responsibilities:

• Worked as Sr. Network engineer supporting Cisco routers, switches, Cisco Firewalls, Bluecoat proxy servers and F5 load balancers
• Planning, designing, Installing and Configuring of Cisco Routers (3600, 2800, 2600, 3800 3900 and 7206) & Cisco L2 & L3 Switches (2900, 3560, 3750, 4500 & 6500)
• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, ISDN and associates network protocols and services.
• Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+, RADIUS).
• Understanding of IPSEC & GRE tunnels in VPN technology implementation using Cisco IOS and have checkpoint firewall /VPN.
• Design and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up approach
• Provided pro-active fault monitoring of Cisco routers and switches utilizing HP overview, Cisco Works and Cisco IOS commands.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Dealt with monitoring tools like (Solar winds, Infoblox), network packet capture tools like Wire- shark.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support
• Create S2S VPN with our own offices and various clients using Juniper SRX firewalls or Cisco ASA
• Co-ordination with VoIP carriers for solving the complaints in SIP and h323 calls.
• Integrating Configuring RSA SecurID with ISE for Token based authentications using RSA Native method RSA RADIUS method for user's remote VPN users.
• Integrating ISE with external identity stores such as Windows AD, Cisco ACS LDAP.
• Tested QoS infrastructure to provide proper priority and queuing based on traffic type using Ixia and Spirent test sets.
• Configuration and support of QOS features like CBWFQ, WRED.

ENVIRONMENT: Cisco Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800 and 7200, 7609) & Cisco L2 & L3 Switches (2900, 3560, 4500 & 6500), F5 and CSM load balancers, Juniper SRX Firewalls, Cisco catalyst 6509, 7613, Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550,