SUMMARY

• A dedicated Network Professional wif over Seven (7) years of experience in Designing, Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Extensive work experiences on Cisco Routers, Cisco Switches, Load Balancers & Cisco Firewalls
• Experience working wif 9K/7K/5K/3K series Cisco Routers
• Proficient hands on experience in configuring Cisco Catalyst 2900,2960, 3560, 3750, 4500, 4900, 6500 series and Nexus 2248, 5548 and 7010 switches.
• In - depth understanding in implementing and configuring F5 Big-IP LTM-3600,4200, 6950 and 8950 load balancers
• Strong working experience on Cisco ASA, Juniper SRX and Palo Alto Firewalls.
• Working noledge of Firewall, LDAP, AAA, TACACS/RADIUS, and IPSEC.
• Comprehensive expertise in teh implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Expertise in Configuration of Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer Switches and supporting STP, RSTP, PVST, RPVST along wif trouble- shooting of inter-VLAN routing and VLAN trunking using 802.1Q.
• Expertise in design and implementation of OSPF, EIGRP, BGP and Policy routing on Cisco Routers.
• Implemented redundancy wif HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP).
• Implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list
• Proficient in implementing teh network monitoring tools (Solarwinds, HP NNMI, Splunk, Spectrum, Nagios etc. ).
• Designed and implemented teh F5 LTM’s (3600, 4500, 6900, 8950 etc.)
• Implemented F5 in both Active/Active & Active/Standby mode.
• Implemented VLAN Fail safe and other HA parameters and provided break fix when their is a production issue.
• Designed and implemented LTM’s wif Route domains (Multi-tenant functionality).
• Designed and implemented VIP’s wif http /client and server ssl/persistence/irules etc. as per teh application functionality.
• Managed SSL offloading on teh F5 LTM (Certificates being pushed from Venafi).
• Worked on hardware related issues (FIP’s, Switch fabric etc.).
• Performed TCPDUMP for teh packet analysis when their is a production issue.
• Performed migration projects (Ex- Migration of teh configuration from two pairs of legacy 3600/4500 LTMs to 8950 wif minimal downtime).
• Built teh Visio diagrams of teh network architecture.

TECHNICAL SKILLS

Routers: Cisco 2600, 2800, 2900, 3600, 3800, 3900, 7200, 7600 Juniper M7i, M10i, M320

Switches: Cisco Catalyst 2950, 3550, 3750, 4500, 4900, 6500 Nexus 2K, 3K, 5K, 7K. Juniper EX4200, QFX3500

Firewalls & Load Balancers: Cisco ASA 5540 series, IPSEC and SSL VPN, IPS/IDS, IOS Firewall features, DMZ set up, F-5 LTM (3900, and 6900), PaloAltoNetworksFirewalls, Checkpoint Firewalls.

Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing

Switching: VLANs, Dot1Q, VTP, STP, RSTP, VLAN Maps, HSRP, GLBP, CEF, DCEF, VPC, VDC.

LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, T1, T3, OC Standard, DSL, ISDN

Protocols: IP, TCP, UDP, ICMP, NAT, DHCP, SNMP, IPSEC, SSL, HTTP, SSH

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Network Monitoring and Management Tools: CA Spectrum, Solarwinds, HP NNMI, Nagios

PROFESSIONAL EXPERIENCE:

Confidential, Bellevue, WA

Network Engineer

Responsibilities:

• Assist in creating network design standards for hardware and software installations.
• Develop and maintain Network Documentation (Visio diagrams, Excel spreadsheets, Word documents, etc.)
• Troubleshoot and test application functionality through load balancers in both test and production environments.
• Configuring Virtual Server, Service Groups and Load balancing methods.
• Worked on fixing various custom health monitors and templates like LDAP.
• Configuring WIDE IP and WIDE IP pool on F5 GTM’s to support load balancing between data centers.
• Work on Checkpoint Firewall policy provisioning and used Provider 1 for troubleshooting and implementing rules on check point firewall.
• Worked on InfoBlox to create DNS Records (CName, A-Record and Host records) for corresponding Wide IP’s and Hosts as required.
• Follow process and procedures for Change and Configuration management.
• Migrate retail store network wif new routers, switches and cradle point.
• Configuring and administering routing protocols OSPF, BGP and Static.
• Worked on decommissioning several network devices from Nexus Data center.
• Design, implement, and develop network designs for applications used in TMO.
• Create Low Level and High Level design documents in accordance wif customer standards.
• Conduct research on network products, services, protocols, and standards to remain abreast of developments in teh networking industry.
• Develop detailed template-based plans including: implementation, testing and back out procedures for all network implementations, upgrades and modifications.
• Worked as part of a team to manage Enterprise Network Infrastructure as an IP.
• Administration of Checkpoint firewalls in teh DMZ and FWSM in teh Server Farm to provide security and controlled/restricted access.
• Creating, adding and deleting new rules and objects on checkpoint firewalls R77.30
• Push firewall rules to live production environments during maintenance window.
• Worked wif teh Enterprise Change Management process such as authoring MOPs, creating work orders and tickets.
• Providing daily Network support for nationwide networks wif MPLS, VPN and point-to-point site.

Confidential . Richmond, Virginia

Network/F5 Engineer

Responsibilities:

• Managing Confidential ’s e-Commerce IT infrastructure.
• Worked on implementation and operations wifin teh e-Commerce environment.
• Managed both pre-production and production infrastructure.
• Followed standard ITIL framework to manage our IT operations.
• Responsible to manage all teh Certificates installed on teh F5 LTM’s.
• Supported and trouble shot wif various networking tools such as TCP-DUMP, ssldump, ping, telnet etc. Providing data backups.
• Responsible for writing teh change procedure documents.
• Responsible for writing teh As-build documents for all teh new design and implementation projects. Responsible for handling teh ongoing incidents in teh e-Commerce infrastructure and provide teh break-fix.
• Installed and Managed Wide IP’s for teh current and new projects.
• Ensured that all teh WIP’s are in teh available state and health checks towards teh LTM’s are successful. Performed code upgrades.
• Troubleshoot and resolve teh health check failures for teh pool members.
• Implemented and managed teh Load balance methods at both pool and Wide IP level.
• Designed and implemented teh F5 LTM’s ( 3600, 4500, 6900, 8950 etc)
• Implemented F5 in both Active/Active & Active/Standby mode.
• Implemented VLAN Fail safe and other HA parameters and provided break fix when their is a production issue.
• Designed and implemented LTM’s wif Route domains (Multi-tenant functionality).
• Designed and implemented VIP’s wif http /client and server ssl/persistence/iRules, etc. as per teh application functionality.
• Involved in importing teh ASA rules toPaloAltoNetworksFirewall rules
• Managed SSL offloading on teh F5 LTM (Certificates being pushed from Venafi).
• Worked on hardware related issues (FIP’s, Switch fabric etc.).
• Performed TCPDUMP for teh packet analysis when their is a production issue.
• Performed migration projects (Ex- Migration of teh configuration from two pairs of legacy 3600/4500 LTMs to 8950 wif minimal downtime).
• Built teh Visio diagrams of teh network architecture.

Network Support Engineer/L2

Responsibilities:

• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked on 2600, 3500, 7613 Cisco Routers and 4500 and 6500 series Cisco Switches
• Configured and managed Cisco access layer routers and switches
• Tested various BGP attributes like local preference, MED, Weight and replicated customer issues in teh testing environment lab
• Designed WAN structure to prevent single point of failure in case of link failure
• Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing
• Implemented port aggregation & link negotiation using LACP and PAGP
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on teh switched network
• Configured and deployed BIG-IP LTM 6900 for providing application redundancy and load balancing
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC
• Configuring switch for 802.1x port based autantication
• Troubleshot issues and outages on Trunks and Router interfaces and firewalls extensively
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs
• Provided technical assistance for LAN/WAN management and complex customer issues
• Provided support for troubleshooting and resolving customer reported issues
• Assisted Network Engineer in teh installation and configuration of firewalls
• Carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists

Confidential

Network Engineer

Responsibilities:

• Configured RIP and EIGRP on 2600, 2900 and 3600 series Cisco routers
• Implemented VTP and trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches
• Performed on-call support for installation and troubleshooting of teh configuration issues
• Worked on installation, maintenance, and troubleshooting of LAN/WAN (ISDN, Frame relay, NAT, DHCP, TCP/IP)
• Configured Access List (Standard, Extended, and Named) to allow users all over teh company to access different applications and blocking others
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Performed maintenance and troubleshooting of connectivity problems using PING, and Trace route
• Provided Network and Security Architecture and Operations support services for Windows 2008 based web, application and database servers
• Provided Technical support for improvement, upgradation, and expansion of teh existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.

Confidential

Network Engineer

Responsibilities:

• Upgraded teh IOS on 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP
• Performed network troubleshooting, technical support, and recording of backup operations.
• Served as a main escalation point of contact for level I team
• Coordinated wif higher-level support and external vendors for resolution
• Maintained all servers & network equipment wif current stable firmware, IOS images & access control lists
• Worked on network-based IT systems such as racking, stacking, and cabling
• Implemented strategies for operating systems, virus protection, mail systems and Internet services
• Performed scheduled Virus Checks & Updates on all Servers & Desktops.
• Updated teh anti-virus, spam blockers, and other security software
• Resolved all computer related problems, monitored and maintained system functionality and reliability by identifying ways to prevent system failures