OBJECTIVE:

• Seeking a challenging position as a Network Engineer in a progressive organization where I can imply my technical skills, academic noledge and experiences in teh best possible way.

SUMMARY

• A dedicated Professional with 8 years of expertise, in Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Extensive work experiences on Cisco Switches, Cisco Routers, Load Balancers and Cisco Firewalls
• Proficient experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, Legacy Cat 6500 series and Nexus 7010, 5548 and 2248 switches and deep understanding of architecture.
• Deployed VPC, VDC and OTV, Fabricpath on Nexus platform and successfully implemented VSS on teh cisco catalyst switches.
• Experience working with 2600, 2900, 3600, 3900, 7200, 7600 series Cisco Routers.
• Expertise understanding in implementing and configuring F5 Big - IP LTM-3900, and 6900 LOAD BALANCERS maintained policies.
• Strong working experience on Firewalls, ACS, Cisco ASA 5540 Series and Firepower.
• Expertise in configuring and deployment of routing protocols-OSPF, EIGRP, MP-BGP, Policy-based routing over Cisco Routers, configuring and troubleshooting route redistribution.
• Hands on experience in troubleshooting of inter-VLAN routing and VLAN Trunking using 802.1Q. Implemented gateway redundancy with HSRP and GLBP.
• Expertise in implementing Security policies like NAT, PAT, IDS,IPS, VPN and Access lists.
• Have automation capability in Python and Ansible.
• Expertise in implementing Layer 2 technologies including VLANs, VTP, STP, RSTP, Trunking and Port-security, expertise on working with Etherchannel technology (LACP, PAgP).
• Have experience and strong noledge in SDN networks.
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Have extensive noledge in VOIP technologies and have teh noledge of different protocols like SIP.
• Comprehensive expertise in teh implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems (Experience in T1/E1/T3).
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, wireshark,tcpdump, Syslog, SNMP, NTP.
• Proficient in using MS Visio, Word and Excel for documentation.

TECHNICAL SKILLS

Cisco Routers: 2600, 2900, 3600, 3800, 7200 and 7600, Juniper Routers

Cisco L2 & L3 Switches: 2900, 3560, 3750, 4500, 4900 and 6500, Juniper Switches Nexus 2K, 5K, 7K

WAN Technologies: Frame Relay, PPP, HDLC, (E1/T1/E3T3)

Switching Protocols: STP, RSTP, PVST, VTP, ARP, and VLAN, PVLAN, Optimizing STP (Portfast, Uplinkfast, Backbonefast, Root Guard, BPDU Guard), MPLS, QOS, DHCP, DNS

Routing Protocols: RIP, OSPF, EIGRP, BGP, PBR, IS-IS,Route Filtering, Redistribution, Summarization, and Static Routing, Routing Policies, Multicast(PIM)

Network Security: Cisco ASA (5512/5550/5585 ), ACL, IPSEC, Sonic Firewall, WatchGuard Firewall, Juniper SRX Firewall, Cisco ISE.

Server Operating System: Windows Server 2008, 2012

Desktop Operating System: Windows 7, Mac OSX, Linux, Cisco IOS and JUNOS, ISE

Gateway Load Balancing: HSRP, VRRP, GLBP

Network Mgmt. Tools: Wireshark, Netflow Analyzer, Cisco Prime Infrastructure, SNMP, SYSLOG, Infoblox, Solarwinds ORION.

Languages: Python

Load balancer: F5 load balancer

Physical interfaces: Fast Ethernet, Gigabit Ethernet, Serial, HSSI, Sonet (POS).

VPN: IPSec & SSL VPN, L2 VPN, DMVPN, MPLS, GRE

PROFESSIONAL EXPERIENCE

Confidential, Phoenix, AZ

Network Engineer

Responsibilities:

• Migrated Data Center environment from Legacy Catalyst switches to new Nexus devices 7010 - SUP 2, 5548 and 2232 switches. And also implemented VPC and FEXs in that network
• Installed, configured, maintained and troubleshooted Catalyst devices - Core, Distribution 6500s - SUP 720/2T, 4500s - SUP 6E, Access 3560s, 3750s, 3850s in Enterprise
• Installed new and upgraded Cisco routers 2811, 2921, 3460, 3925, 7200 and ASR1002.
• Configured and maintained Cisco switches 2950, 3750, 6509 including teh Foundry Fastiron Edge 4802-POE
• Configured and troubleshoot VLANs, STP, VTP, Trunking, DNS, DHCP EtherChannels, EIGRP, OSPF, BGP, NAT and static routing
• Configured HSRP, VRRP, GLBP for High Availability requirements in teh network.
• Create, open, resolve and close escalated trouble tickets using clarify and freedom vision ticketing system
• Investigate, analyze and document technical issues, tan provide recommendation to upper management
• Configure, monitor and insure connectivity of LAN, and WAN sites
• Worked on Riverbed steelhead Appliance for WAN Optimization
• Worked on commissioning WAN links and troubleshooting WAN outages
• Extensive work with security tasks such as defining and managing ACLs, hands-on working with advanced network technologies such as virtual private networks, tunneling, remote access and management, demilitarized zones, etc.
• Configured, maintained and troubleshot site-to-site VPN between Data Center and customers sites
• Performed Layer I, II and III troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications
• Troubleshooting of LAN, WAN, WLAN networking issues using Wireshark, TCPdump, Netflow, Syslog and other advanced tools and methodologies
• Maintained detailed network documentation and provided technical support as well as on call and after hours support as required

Confidential, Boston, MA

Network Engineer

Responsibilities:

• Responsible for implementing, engineering, & support of existing network technologies / services
• Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess teh network issues causing service disruption
• Configurations involved routing protocols like OSPF, BGP
• Involved in migration from Cisco Catalyst 6513 switches with Sup720 to Nexus 7009 with Nexus 7000 Supervisor 2E, F&M line cards in data center with features like VPC and VDC’s
• Worked on in configuring teh site-site VPN’S like DMVPN
• Worked on OSPF using features like TSA, SA, NSSA and route summarization
• Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight
• Experience in working with F5 BIG-IP LTM and Cisco CSM load balancing technologies
• Worked with different operating systems of Linux(Redhat, Ubuntu etc)
• Designing and implementing networks based on company’s requirements in all data centers
• Have experience in working with MPLS VPN’s
• Implemented port aggregation & link negotiation using LACP and PAGP
• Provided proper documentation to maintain accountability and priority of installation during teh migration. Ensured proper documentation was delivered to Change Management team, Incident Management using VISIO
• Involved in Switching technology Administration including creating and managing VLANS, Port security, Trunking, R-PVST+, Inter-VLAN routing, LAN security etc.
• Worked on commissioning WAN links and troubleshooting WAN outages

Confidential, Tampa, FL

Network Engineer

Responsibilities:

• Handling network incidents of both wired & wireless infrastructure for all global branches
• Experience in Configuration and troubleshooting of routing protocols (OSPF, BGP),
• Analyzing packet capture in Wireshark to drill down and to find teh root cause of latency related and other strange application behaviors
• Taking escalations and involved in handling major incidents towards resolution
• Configured switching technology such as VLAN Trunking 802.1Q, STP (802.1d), and Port Security on Catalyst 6500, 3500 series switches
• Performed Nexus In-Line Service upgrades and deployed advanced nexus features VPC and VDC
• Performed attribute manipulation in BGP multi-homed scenario using attributes like AS-Path, MED, Local Preference and weight
• Performed OS upgrades & device replacements on several Cisco devices ( 6500, Nexus 2K, 3K, 5k and 7k series switches)
• Worked on OSPF using features like TSA, SA, NSSA and route summarization. Configured EBGP/IBGP policies also tested BGP attributes such as Local preference, MED, AS-PATH, Community and Weight
• Implemented port aggregation & link negotiation using LACP and PAGP
• Used internal network monitoring tools to ensure network connectivity and Protocol analysis tools to assess teh network issues

Confidential

Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services.
• Expertise in creating Access control lists for layer-3 security and providing resilient network using protocols like HSRP and GLBP.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided on-call support for installation and troubleshooting of teh configuration issues
• Configured Standard, Extended, and Named Access Lists to allow users all over teh company to access different applications and blocking others
• Planned and implemented Subnetting, VLSM to conserve IP addresses
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed troubleshooting of connectivity problems using PING, and Traceroute
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment
• IOS upgradation 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP