SUMMARY:

• CCNA certified Network Engineer with nearly 5 years of experience in implementation, administration, analysis and support of LAN and WAN for Enterprise, Data Center and Service Provider networks.
• Good knowledge on Configuration, Troubleshooting and Migration of Cisco and Nexus Routers and Switches.
• Experience in Cisco Routing and Switching with strong configuration and troubleshooting expertise.
• Worked on Cisco IOS for configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP, IGRP and RIP.
• Experience with Layer 2 and Layer 3 protocols like LDP, RSVP/TE, QoS, COS, L2 VPWS and VPLS, FRR.
• Experience with Juniper routers, PaloAlto Networks firewalls and F5 load balancers.
• Expert Level Knowledge about TCP/IP and OSI models.
• Installing, configuring and troubleshooting DNS and DHCP servers in Microsoft Client/Server.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems, worked on Gigabit Ethernet and Fast Ethernet connection.
• Knowledge on configuring Virtual Local Area Network (VLAN), spanning tree protocol (STP), Rapid Spanning Tree Protocol (RSTP), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Rapid Per VLAN spanning Tree (RPVST) and 802.1x authentication in access layer switches.
• Hands on experience on NAT (Network Address Translation) configurations and its analysis on troubleshooting issues related to ACLs.
• Knowledge on Microsoft Visio creating a detail physical and logical network diagrams.
• Knowledge on host specific networking protocols DHCP, DNS, FTP, UDP and Frame - Relay.
• Expertise in analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Experience in WAN protocols like HDLC, PPP and Frame-relay.
• Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.
• Knowledge in configuring SSL termination and persistence profiles on the BIG IP F5 LTM.
• Proficient in programming languages: C, Python and MATLAB.

TECHNICAL SKILLS:

Routers: Cisco 7600,7500,7200,4000,3800,3600,2800,2600,2500,1800,1700 series, ASR 9K series routers;

Switches: Nexus 5K, 7K and 9K series; Catalyst 6500,4500,3850,3560,2960; Juniper QFX

Routing Protocols: BGP, OSPF, EIGRP, RIP, IGMP, Route Filtering, Redistribution, Summarization, and Static Routing

Switching Protocols: VLAN, PVLAN, LAG, DOT1Q, MLAG, STP, PVST, RPVST

Gateway Redundancy: FHRP, HSRP, GLBP, VRRP

Security: ACL, VPN, IPSec, NAT

LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, DSL, ISDN

Simulation Software: Wireshark, IXIA, Solarwinds

Application protocols: IP, TCP, UDP, DHCP, SNMP, HTTP, SSH, DNS, PAT

Firewalls: PaloAlto Networks PA7000, Juniper SRX 4100

Load Balancers: F5 BIG-IP i4000

Cloud: AZURE, AWS, Aruba

PROFESSIONAL EXPERIENCE:

Confidential, Tyler, TX

Network Engineer

• Responsible for level 2 & 3 support of network technologies, services & integration
• Configured Ether channels, Trunks, VLANs, HSRP in a LAN environment
• Responsible for performing administration on BGP, OSPF routing protocols
• Implemented route redistribution between OSPF and EIGRP
• Configured STP for loop prevention and VTP for Inter-VLAN Routing
• Configured various types of Access Control Lists for segregating access to different applications
• Configured VLANs with 802.1Q Tagging according to the Server team’s requirements
• Supported multi area OSPF implementations
• Involved in configuration of OSPF Summarization (Summarizing internal and external routes)
• Scalability of OSPF by Filtering of Intra, Inter and External OSPF routes
• Used various BGP attributes and various Route-filters such as named Access-lists, Prefix lists, Route-maps to permit or deny routes and to change various attribute
• Designed and implemented Cisco 7500, 7200, 6500, 4000, 3600, 2600 Series routers in lab environment to reproduce various issues and test fixes for them
• Experienced in implementation and troubleshooting, especially of BGP, OSPF and MLAG/VPC
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Troubleshooting complex LAN /WAN infrastructure that includes routing protocols EIGRP, OSPF
• Involved in creating API plug-in's in access internal database using Python.
• Experience working with Solarwinds NPM, NCM, SAM for network monitoring to ensure maximized network performance, system availability and reliability, resource utilization.
• Responsible for racking, cabling and labeling switches and ports configuration on daily basis
• Provided support for identifying and escalating the tickets for various features using Salesforce and ServiceNow web applications

Environment: Cisco 7000, 4000 Series routers, OSPF, EIGRP, BGP and iOS platforms

Confidential, St Louis, MO

Network Test Engineer

• Studied and analyzed client requirements to provide solutions for network design, configuration and administration.
• Designing new implementations via the application of architectural standards and performs configuration of physical and logical network components.
• Monitored and managed network using Solarwinds toolset.
• Experience working with various modules like Network Performance Monitor, Network Configuration Manager, Network Traffic Analyzer, Server & Application Monitor.
• Maximized network performance by monitoring performance and troubleshooting.
• Responsible for implementing, engineering & level 2 support of existing network technologies / services & integration of new network technologies / services.
• Building large scale Network environment using routing protocols like OSPF, EIGRP, and BGP.
• Configuring route redistribution between EIGRP and OSPF.
• Involved in Network Designing, Routing, DNS, IP Sub netting, and TCP/IP protocol.
• Hands on experience with Nexus Switches 5K, 7Kand 9K.
• Installed and configured DNS, DHCP Client/Server.
• Participate in all technical aspects of LAN, WAN, VPN and security Internet Service projects including, short and long-term planning, implementation, project management and operations support as required.
• Configured Client VPN technologies including Cisco's VPN client via IPSEC
• Configured MPLS L3 and L2 VPNs for customers.
• Work with BGP routing protocol for communication with business partners and influence routing decision based on AS Path Prepend and other attributes.
• Diagnose MPLS protocol problems including VRF and COS issues to full resolution.
• Providing Layer-3 redundancy by implementing HSRP in the network.
• F5 BIG IP pools, monitors, profiles and VIP's configuration and troubleshooting.
• Hands-on experience in implementation and troubleshooting of BGP version 4, OSPF, IPV4 and Ethernet Protocols.
• Configured HSRP and VLAN trunking 802.1Q, VLAN routing on catalyst 6500 switches.
• Managing various VLANs, IP addressing for various subnets, VLAN Trunking between various access-switches.
• Used Load Balancers F5 Big-IP6900 and 3900between the servers inside the Network and in the Server Farm.
• Performance fine tuning and maintaining customer network devices to provide high availability for the applications, proper bandwidth utilization and to avoid network congestion.
• Configuring Standard and Extended Access Control Lists (ACLs) and Firewalls.
• Designing and Implementing VPN and remote access support.
• Pro-active Monitoring and Alerting of client's network for any alarms.
• Testing and validating new solutions in lab before deploying them to customers.

Environment: Cisco 2600, 2800, 3640, 3745 series routers. Cisco Catalyst 2960, 3560, 3750, 4500 switches. OSPF, BGP, VPN; F5 BIG-IP LTM 6500.

Confidential

Network Engineer

• Replaced outdated Cisco switches and routers in existing data centers and installed new Cisco devices.
• Upgraded Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations
• Installed and managed Cisco Catalyst 3500XL, & 2960 series Switches and Cisco 1800, 3900 series routers
• Involved in all technical aspects of LAN and WAN projects including, short and long-term planning, implementation, project management and operations support as required
• Configuring RIP, OSPF and BGP Static Routing on Juniper M and MX series Routers.
• Conducted thorough analysis, problem solving, and infrastructure planning
• Configured RSTP, LACP, VTP on Nexus devices.
• Maintained redundancy on Cisco 2600, 2800 and 3600 Router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Performed RIP & OSPF routing protocol administration. Interacted with support services to reduce the downtime on leased lines.
• Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• Configured Cisco Routers for OSPF, IGRP, RIPv2, EIGRP, Static and default route.
• Worked on HSRP and GLBP for first hop redundancy and load balancing.
• Configured the Cisco router as IP Firewall and for NATing.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 2600, 2800, 3700, 3825, 7200 routers. s