OBJECTIVE:

Seeking a challenging position as a Network Engineer in a progressive organization where I can use my technical skills, academic knowledge and experiences in the best way possible.

PROFESSIONAL SUMMARY:

• A dedicated Network Professional with 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 with 2600, 2900, 3600, 3900, 7200, 7600 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 knowledge of Firewall, LDAP, AAA, TACACS/RADIUS, and IPSEC.
• Comprehensive expertise in the 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 with 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 with 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 the network monitoring tools (Solarwinds, HP NNMI, Splunk, Spectrum, Nagios etc. ).
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies
• FTP, TFTP and DHCP configuration and setup
• Proficient in using MS Visio for documentation
• Installed and Managed Wide IP’s for the current and new projects.Ensured that all the WIP’s are in the available state and health checks towards the LTM’s are successful.Performed code upgrades.Responsible to update the DNS records when the infrastructure flip occurs.Configuration of additional listeners on the GTM to forward the Return2DNS to a defined DNS server for a few designs.Troubleshoot and resolve the health check failures for the pool members.Implemented and managed the Load balance methods at both pool and Wide IP level.Documented the traffic flow for the WIP from the LDNS till the pool members behind the LTM.
• Designed and implemented the 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 there is a production issue.
• Designed and implemented LTM’s with Route domains (Multi-tenant functionality).
• Designed and implemented VIP’s with http /client and server ssl/persistence/irules etc. as per the application functionality.
• Managed SSL offloading on the F5 LTM (Certificates being pushed from Venafi).
• Worked on hardware related issues (FIP’s, Switch fabric etc.).
• Performed TCPDUMP for the packet analysis when there is a production issue.
• Performed migration projects (Ex- Migration of the configuration from two pairs of legacy 3600/4500 LTMs to 8950 with minimal downtime).
• Built the Visio diagrams of the 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 with 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 with customer standards.
• Conduct research on network products, services, protocols, and standards to remain abreast of developments in the 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 the DMZ and FWSM in the 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 with the Enterprise Change Management process such as authoring MOPs, creating work orders and tickets.
• Providing daily Network support for nationwide networks with 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 within the e-Commerce environment.
• Managed both pre-production and production infrastructure.
• Followed standard ITIL framework to manage our IT operations.
• Responsible to manage all the Certificates installed on the F5 LTM’s.
• Supported and trouble shot with various networking tools such as TCP-DUMP, ssldump, ping, telnet etc. Providing data backups.
• Responsible for writing the change procedure documents.
• Responsible for writing the As-build documents for all the new design and implementation projects. Responsible for handling the ongoing incidents in the e-Commerce infrastructure and provide the break-fix.
• Installed and Managed Wide IP’s for the current and new projects.
• Ensured that all the WIP’s are in the available state and health checks towards the LTM’s are successful. Performed code upgrades.
• Troubleshoot and resolve the health check failures for the pool members.
• Implemented and managed the Load balance methods at both pool and Wide IP level.
• Designed and implemented the 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 there is a production issue.
• Designed and implemented LTM’s with Route domains (Multi-tenant functionality).
• Designed and implemented VIP’s with http /client and server ssl/persistence/iRules, etc. as per the application functionality.
• Involved in importing the ASA rules toPaloAltoNetworksFirewall rules
• Managed SSL offloading on the F5 LTM (Certificates being pushed from Venafi).
• Worked on hardware related issues (FIP’s, Switch fabric etc.).
• Performed TCPDUMP for the packet analysis when there is a production issue.
• Performed migration projects (Ex- Migration of the configuration from two pairs of legacy 3600/4500 LTMs to 8950 with minimal downtime).
• Built the Visio diagrams of the network architecture.

Network Support Engineer

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 the 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 the 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 authentication
• 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 the 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 the 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 the 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 the existing network architecture
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.

Confidential

Network Engineer

Responsibilities:

• Upgraded the 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 with higher-level support and external vendors for resolution
• Maintained all servers & network equipment with 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 the 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