SUMMARY

• Highly motivated Network Engineer with 7+ years of experience in network design, deployment and troubleshooting
• Experience working with Cisco 7200, 7600, 3900, 3800,2800,2900 series routers, Catalyst 3750,3850, 4500, 6500 and 6880 series and Nexus 9K/77K/7K/5K/2k series switches and Nexus 2K FEX modules.
• Experience working with Juniper MX and M series routers and SRX series Firewalls.
• Experience working with Palo Alto Networks.
• Extensive experience with IOS, NX - OS and Junos operating systems
• Experience working in Service provider MPLS backbone environments
• Experience deploying enterprise LAN & WAN networks
• Experience with F5 LTM Load balancers
• Experience in Network analysis and capacity planning using tools like Sniffer, Wireshark, Ethereal and tcpdump
• Robust knowledge on cabling and physical connectivity
• Experience with routing protocols like EIGRP, OSPF, BGP, MPLS, IS-IS.

TECHNICAL SKILLS

LAN Technologies: Ethernet, VLANS, Inter-VLAN Routing, VTP, STP, RSTP, MST, vPC, VDC

WAN Technologies: Frame Relay, SAN, ISDN, PPP, DS1, DS3, OC3, OC12, OC 48, T1/T3 and E1/E3, MPLS (LDP, L3VPN, VRF, MP-BGP)

Security: Junos - Security policies, High Availability, NAT, IPSEC VPN on SRX series platforms. Cisco - ACL, NAT/PAT, AAA, TACACS, RADIUS, Route maps, Syslog Server Logging

Protocols/Services: TCP/IP,IPv6, UDP, RADIUS, DIAMETER, GTP, SD, SNMP, SSL/TLS, DNS, UDP, DHCP, Routing Protocols (RIP, EIGRP, OSPF, BGP), Redundancy (HSRP, VRRP, GLBP), CDP

Hardware Platforms: Juniper M10i, M320, EX 4200/4300, 6200, 8200. Cisco CRS, ASR, GSR, 7600/7200, 3900 series Routers and Nexus 7K, 6500, 4500, 3750 Catalyst Switches. F5 BIG-IP LTM 1600, 3600

Network Management: Solar Winds, HP Open View, Cisco Works, Vital QIP

Operating Systems: MAC OS X, Windows 7/NT/Vista/XP, Cisco IOS, IOS-XR, Junos

Office Applications: MS-Office, MS-Visio, iWork

Programming skills: C, Basic Java, Linux, Oracle

PROFESSIONAL EXPERIENCE

Confidential, MA

NETWORK ENGINEER

Responsibilities:

• Manage and Support an international TCP/IP Cisco LAN/WAN environment for Corporate Infrastructure
• Create Low Level Design Documents (LLDs) and Requests for change (RFCs) for all change management
• Assist in site closures, decommissioning and re-purposing of hardware to active locations throughout the America’s
• Configure IPSEC VPN Tunnels, OSPF/BGP Routing Protocols on WAN routers
• Configure vDC and vPC on Nexus 5K, 7K and 9K switches
• Work with service provider during circuit upgrades and WAN router replacements
• Provide on call 24x7 support to provide services in case of network outage, provide maintenance, monitor circuits till the network stabilizes
• Upgrade IOS images on Switches, Wireless LAN Controllers
• Perform system software conversion from Cato’s to Cisco IOS on catalyst 6500 switches
• Replace existing Cisco/HP EOS/EOL switches with Cisco 3750x Stack solution
• Configure HSRP redundancy on the Core Switches
• Configure and manage Data and Voice VLANs and access interfaces on Cisco layer 2 and layer 3 switches
• Configure NAT, TACACS and SNMP for network security implementation
• Work with other Engineers in carving subnets, DHCP scopes and Option 150, Option 43
• Responsible for DHCP, DNS entries/changes in Vital QIP
• Use Cisco NCM and Solar winds Orion tools for Network Compliance and Monitoring
• Create/Update network interconnect drawings on Visio
• Responsible for implementing, engineering, & level 2/3 support of existing network technologies / services & integration of new network technologies/services
• Troubleshoot connectivity problems, perform beak-fix operations and document every issue
• Monitor and maintain all network infrastructure equipment ensuring minimized downtime

Confidential, Minneapolis MN

NETWORK ENGINEER

Responsibilities:

• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Assisted with troubleshooting all networkissues with routers and switches when necessary and consulted with on call tech as needed for client.
• Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6880, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN.
• Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550, and 3850.
• Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
• Configuring Vlan's, VTP's, enabling trunks between switches.
• Assisted in networkengineering efforts consistent with the infrastructure of an Internet Service Provider and support of such networkservices. Helped in designing and implementation of VLAN for the new users.
• Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration networkconnectivity, diagnose networkfailures and resolve any problems.
• Worked on LINUX machines.
• Troubleshoot Frame Relay; T1, T3, IP and OSPF related router and circuit issues.
• Documenting and Log analyzing the Cisco PIX series firewall.
• Excellent Troubleshooting Skills and Customer Centric approach.

Environment: Cisco Routers 2600, 2800 and 3800 series, Cisco Switches Cat 1900, 2900, 3500series, Cisco ASA 5506, 5510.

Confidential

NETWORK ENGINEER

Responsibilities:

• Installing, configuring, maintenance and troubleshooting of Cisco 2800 series routers and 2960, 3560, 4500, 6880 series switches.
• Performed IOS upgrades on Catalyst 2960, 3560, 3850, 4500,6880 series switches, and 2800, 3800 series routers
• Responsible for configuration and maintenance of VLANs, Spanning-tree
• Configured Inter-VLAN routing and static routes
• Configured port security on the switches
• Configure NAT, TACACS and SNMP for network security implementation
• Configure security policies on Juniper SRX 240 series Firewalls
• Setting up TCP/IP, DNS and Installing DHCP Server
• Configured Cisco routers on Linux machine and performed shell scripts
• Managing Network Printers, Setting up user and Group Security
• On-Call support for any network related outage

Environment: Cisco … switches, Cisco … routers, EIGRP, RIP, OSPF, BGP, VPN, Ether Channels, and Sniffer.

Confidential, ATLANTA GA

NETWORK ENGINEER

Responsibilities:

• Provided expert-level planning and designing the major networkinfrastructure projects and enterprise networksolution
• Implementing, administering and troubleshooting networksystems and providing Tier III support.
• Configuring and troubleshooting routing protocols including BGP, EIGRP, OSPF, IPsec VPNs, VoIP, QoS, and other common networkprotocols and technologies.
• Handled SRST, Voice Routing Protocols, QoS and Voice Gateways and even maintained network engineering framework.
• Providing Technical support for Cisco Call Managers, Cisco Unity Voice Mail, IP telephones and H323 and SIP voice gateways.
• Configure new routers, switches and Cisco Call Manager Express systems for the remote sites.
• Reporting and systems enhancements Documents call flow configurations. Build and maintain spreadsheets and related discovery documents for call center strategies in MS Visio.
• Wireless networkSetup, configuration and upgrades of Cisco WLC, AP.

Confidential

NETWORK ENGINEER

Responsibilities:

• Install and configure cisco routers, switches and firewalls of various models. Upgrade codes, IOS, and patches for different networkdevices.
• Performed TCP/IP networking based administration including VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation and port security
• Configuring & troubleshooting of routing protocols: Static, OSPF and EIGRP and BGP.
• Troubleshooting LAN and WAN problems, Application working slow problems.
• Configuring networkdevices for TACACS+, Syslog, SNMP, DHCP and DNS.
• Configuration of 2500, 4000 series Cisco Wireless LAN Controllers for access points.
• Planning the placement of wireless access points and maintaining wireless devices to provide seamless connectivity.
• Backing up and upgrading Cisco IOS using TFTP server
• Monitor/maintain network connectivity & traffic using networkmonitoring tools to ensure optimal performance
• Responsible for researching new technology directions and making recommendations for improving the reliability & functionality of LAN & WAN.