SUMMARY:

• Over five years of experience in configuring and troubleshooting a wide range of network equipment: routers and switches, network management applications, routing protocols, WAN and wireless technologies.
• Two years of experience in F5 Networks configuration of F5 devices such as LTM, GTM.
• CCNA certified professional with extensive experience in network design, implementation, troubleshooting, engineering, managing and providing security which includes design, deployment, and support.
• Excellent hands - on experience in designing and implementing IP addressing that includes both IPV4 and IPV6.
• Experience with LAN switching IP Addressing, Sub netting, VLSM and CIDR and adding VLANS, VTP, STP, and RSTP over switch configuration.
• Network Services: DNS, DHCP v4 and v6, NTP, FTP, HTTP and SNMP.
• Experience in designing, implementation and operations of Enterprise data networks as Network Engineer.
• Created, Updated and maintained detailed network diagrams using visio for ease-of-use.
• Knowledge in virtualization (VMware) technologies such as vSphere ESXi, and vSphere client.
• Worked on implementation of teh basic F5ASM, F5Firepass and VE, F5APM.
• Configured and maintained Cisco switches 5510 switches and ASA and Palo Alto Firewalls.
• Configuring and troubleshooting F5 BIGIP LTM load balancing and implementing, Creating I rules, Virtual servers, Pools, Nodes with health, Profiles, SNAT, SSL, NAT, Traffic Policies and QoS.
• Expertise in configuring and troubleshooting of CiscoRouters (2600, 3600, 3700, 2800, 7500, 3800, 7200, 7600) series and CiscoCatalyst Switches (2900, 3500, 6500, 4500, 3750, 2960, 3850) series.
• Experience in implementing and troubleshooting routing protocols EIGRP, OSPF and BGP for connectivity across data centers.
• Experience with teh Configuration on BIG IP (F5) Load balancers and monitored teh packet flow.
• Configured High availability and implemented it on F5 Load balancer.
• Creating and Configuring Cluster for high availability services and avoiding downtimes in virtualization.
• Hands on experience in F5 LTM, GTM series like 6400, 6800, 8800 for teh corporate applications and their availability.
• Experience in F5 installation and monitoring with F5 APM.
• Centrally manage F5 configurations, backups, s and software images using Big-IQ.
• Worked on F5 BIG-IP LTM 8900, Citrix Netscalar Configured profiles, provided and ensured high availability.
• Comprehensive project planning and scheduling, for maintaining normal production levels, during deployment or upgrading of Servers, Workstations or other related Network equipment.
• Hands on experience in using Monitoring tools like Solar winds.
• Finely tuned analytical/critical thinking and debugging skills with excellent verbal and written communication skills.

TECHNICAL SKILLS:

Load balancers: Cisco CSM, F5 BIG-IP LTM 3900, 6900, 8900, Cisco ACE 4710.

Routers: Cisco ISR 7604, 4000, 3800, 2900, 2800, 2600, 1800, 1600,800.

Juniper: SRX 550.Cisco ASR 1000, ASR 920.

Switches: Cisco L2 and L3 Switches 2900, 3500, 6500, 4500, 3750, and 2960,3850Nexus5k,7k.

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, SMTP, VLAN Inter-VLAN routing, VTP, STP, RSTP, WLC, IPV6, WLAN.

WAN technologies: Frame Relay, PPP, Leased lines, HDLC, T1/T3, DS3, OC192, Dialup.

Routing Protocols: RIP V1/V2, OSPF, EIGRP, Route Filtering, Static Routing.

Operating Systems: Windows (10, 8.1, 7, XP, 2003, 2000, 98), Unix, Linux, Cisco IOS 12.x, 15.x.

Application: MS OFFICE 2003, 2007, 2010, Office 365, Outlook, Firewalls, Infoblox, visio.

Monitoring Tools: Microsoft Network Monitor, Wireshark, tcp dump tools.

Programming Languages: HTML, Java (Basic), python and penetration tools.

PROFESSIONAL EXPERIENCE:

Confidential, Lewisville, TX

Load Balancing F5 Engineer

Responsibilities:

• Working with onsite and remote clients to resolve teh network issues and application development.
• Provided extensive support for various applications which are desktop and mobile.
• Working on both teh F5 LTM, GTM platforms.
• Worked on F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to teh F5 BigIP Load Balancers.
• Taken care of teh Logging issues of teh F5 load balancer and how it works with teh syslog servers, making sure teh communications through teh switches and routers.
• Worked and maintained teh application delivery networking.
• Perform network engineering, design, planning LTM & GTM load balancing implementation and scheduling infrastructure related tasks by coordinating with other teams.
• Server load-balancing utilizing F5LTM-Big IP, including APM, ASM and viprion device modules.
• Experience working with financial enterprise applications.
• Hands on experience with both CLI and GUI interface.
• Production and implementation support in both environments Datacenter and remote locations for test, lab and production.
• Configuration of remote syslog server functionality and collection of data setting up snmp traps, setting alerts using teh EMs, eg. expiry etc.
• Installed and maintained SSL s for websites both internal and external DNS.
• Troubleshooting F5 load balancer issues related to URL not reachable, nodes marked down by monitors.
• Implemented ONE CONNECT for teh internal servers to balance teh load between teh servers
• Worked as a part of Data center design and Implementation team.
• Implemented Global Traffic Manager and I query functionality between LTM & GTM for a HA (High Availability) design.
• Working with different teams to gather info for teh new request and troubleshoot for any connectivity issues by capturing traffic using TCPDUMP and smart view tracker.
• Configured F5GTM Wide IP, PoolLoad Balancing methods and involved in migration of pools.
• Worked on authorizing F5devices for web acceleration & caching.
• Support and trouble shoot with various networking tools such as TCP-DUMP, ssl dump, ping, telnet etc. Provide data backups.
• Creating new iRules on 2400 Viprions according to teh requirements.
• Created Virtual Servers, Pools, Nodes, SNAT Pools, Vlan's and Routes
• Created teh Secure Network address translation (SNAT) for translation teh three virtual addresses to teh single translation address which connects to teh BIG-IP.
• Worked on Fixing various custom health monitors and templates like LDAP in A10 load balance.
• Installing teh F5 TMOS upgrades/downgrades, Hot-fix installations depending on Business need.
• Responsible for technical support to tier II and tier III for L1, L2 & L3 protocols.
• Installation and configuration of DHCP and DNS servers. noledge in Juniper JUNOS platform including SRX Firewalls, Network & Security Manager (NSM).
• Configured different load balancing methods on F5LTM & GTM and worked on one-connect profiles and HTTP compression and several persistence profiles.
• Worked on configuration, maintenance and administration of Palo Alto PA3000 Firewalls and migrating customers from Cisco ASA to Palo Alto in HA network.
• Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.

Confidential, Fort-worth, Dallas

F5/ Network Engineer

Responsibilities:

• Responsible for teh installation, configuration, maintenance and troubleshooting of teh client network and partner WAN connectivity.
• Implemented, and provided ongoing support of networksystems of high complexity in internet environments to fulfill business needs for performance and cost benefits.
• Implemented ADC F5 LTM and GTM hardware platforms design and deployment implementation guidelines, DMZ Network infrastructure policies, LTM inbound SNAT configuration and outbound NAT server to IP mapping processes.
• Determining teh functionality with teh DNSnaming conventions and migrations.
• Performed various duties like setting up and monitoring of cisco routers and switches based on teh company requirements.
• Worked on security issues with WLAN technologies 802.11g/n for specific data center related to access point.
• Performed network administration tasks such as creation and management of VLANs, Port security, Trunking, STP, Inter-VLAN routing, and LAN security.
• Configuring and troubleshooting site-to-site IPSEC VPN tunnels using Cisco ASA 5540 for third party connectivity.
• Experience in implementing and managing F5 BIG-IP load balancing, including LTM, GTM and APM.
• Designed Network connectivity between various offices and data center.
• Worked with Cisco Catalyst switches 6500, 4500, 3750, 3560, 2960, 2911 and Cisco 2800, 3600, 3800, 7200, 7600 and ASR series Routers.
• Involved in creating network diagrams using visio and maintaining operational runbook.
• Involved in Network Designing, Routing and IP Allocation & Maintenance for users.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Troubleshooting Level 3 issues and assisting level 1 and level 2 support teams
• Configured and deployed BIG-IP LTM 8900 for providing application redundancy and load balancing.
• Creating Interfaces, VLAN and Trunks on teh new 2400 Viprionaccording to teh network.
• Troubleshooting of complex LAN/WAN networks which include routing protocols like EIGRP and BGP.
• Provided layer 3 redundancy by implementing HSRP in teh network.
• Installed high availability Big IP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Dealt with creating VIP pools, nodes and created custom I Rules for teh virtual server.
• Managing STP for loop prevention and VTP for Inter-VLAN Routing.
• Configured Virtual IP's (VIP) and virtual servers. Configured pool and pool members and associated it to teh virtual server. Configured load balancing methods.
• Maintained firewalls, network, workstations, servers, installed equipment.
• Monitor Intrusion Detection Systems (IDS) console for active alerts and determine priority of response.

Confidential

Network Engineer

Responsibilities:

• Design branch network and implementing Traffic shaping, QOS, Bandwidth Limits and policies for application traffic, security for LAN and WAN.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Translation.
• Dealt with teh escalation problems from Level1, Level 2 & Level 3 for routing, switching and WAN connectivity issues using ticketing system Remedy.
• Managed end to end delivery of services for clients.
• Establishing VPN Tunnels using IPSec encryption standards, configuring and implementing site-to-site VPN, Remote VPN.
• Troubleshooting latency and throughput issues on MPLS and Dedicated Internet Access circuits.
• Ability to configure and manage cisco layer 2 switches for remote and admin purposes.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Coordinated and managed events and trouble tickets related to network failures and thus followed by technical support which included problem determination.
• Technical assistance for LAN/WAN management and complex customer issues.
• Planning and Implementation of Sub netting, VLSM to conserve IP addresses.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Configured object grouping, protocol handling and code upgradation on ASA firewalls.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Involved in Troubleshooting and implementing NAT and DHCP related issues.
• Implementing and Maintaining Network Management tools (Fluke Network, Nortel ENMS, JFFNMS, SNMP, MRTG, and NMIS).

Confidential

Network Administrator

Responsibilities:

• Configuring and troubleshooting RIP, OSPF and EIGRP routing protocols on 2600, 2900 and 3600 series Cisco Routers
• Experience with real-time understanding of OSI layer and TCP/IP models.
• Worked on installation, maintenance and troubleshooting of LAN and WAN when needed.
• Work in an enterprise network environment with dynamic routing using OSPF and BGP for external connectivity.
• Resolved problems such as troubleshooting operating system failures.
• Performed network maintenance and system upgrades.
• Switching related tasks included implementing VLANs and configuring ISL trunk on Fast-Ethernet channel between switches.
• Troubleshoot and support Cisco Core, Distribution and Access layer routers and switches.
• Network Cabling, dressing, labeling and troubleshooting various network drops onsite.
• Worked on 2600, 3600, 3700, 2800, 7500 series of routers.
• Worked on 1900, 2900, 3500 series of switches.
• Design, execution of installation and configuration of VPN/IVPN, LAN/WAN as per organizational requirements.
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Configured IP access list filters.
• Supporting Development team for teh access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
• Excellent Troubleshooting skills and configuration skills.