SUMMARY:

• Network Engineer with Over 5 + years of experience in testing, troubleshooting, implementing, optimizing and maintaining enterprise data network and service provider systems.
• Implementation, Configuration and Support of Checkpoint (NGX R65, R70 and R71), Juniper Firewalls (SRX5400, SRX5600, and SRX5800), Cisco Firewalls (ASA 5505X, 5506 - X, 5585).
• Experience with Checkpoint VSX, including virtual systems, routers and switches.
• Configuration, Troubleshooting and Maintenance of Confidential Firewalls- PA2000 series, PA3000 series, PA4000 series and PA5000 series.
• Worked on Juniper Net Screen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, ISG 200 and Cisco PIX 535, 520, 515, ASA -5500 and 5505.
• Designing and implementing LAN/WAN solutions across locations.
• Hands-on experience with complex routed LAN and WAN networks, Cisco Routers, Switches and Juniper Routers, Network deployment.
• Experience in Networking designing, installation, configuration, and operating LAN, WAN protocol.
• Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches.
• Installation and Configuration of LAN/WAN.
• Strong hands on experience in installing, troubleshooting HP, Juniper: EX-2200, EX-4200, and EX-4500, EX 6200 series switch for LAN /WAN connectivity.
• Expertise in migrating WLAN controllers and their respective head-ends from one data center to another, from Cisco devices to Aruba as well. Worked on DNS, DHCP servers extensively.
• Configured and managed VLANs, 802.1Q Trunk, RPVST+, Inter-VLAN routing, HSRP and LAN security for Layer-2 and Layer-3 switching domains.
• Experience with VMware virtualization, Fortinet Firewall, Cisco UCS. Experienced in VM Ware ESX/ESXi servers.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Configured Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers. 
• Configured Cisco Catalyst 2960, 3750, 4500,3650, 6500, 8000 and Nexus 3000, 5000, 6000, 7000 series switches. 
• Configured L3 protocols (IP, BGP, OSPF, EIGRP, IGRP, RIP, ISIS).
• In-depth knowledge and hands-on experience on IP Addressing, Sub-netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Proficient in deploying and troubleshooting mission-critical environments using proactive suite of support services - Wireshark and SolarWinds N-able Technology & NPM.
• Supervised the installation of the first office application of the CWDM and voice over IP in DC.
• Experience with DNS/DFS/DHCP/WINS/HTTPS/FTP Standardizations and Implementations.
• Troubleshoot TCP/IP problems; troubleshoot connectivity issues in multi-protocol Ethernet, Environment. Switched telephone network (PSTN), PPP, ISDN, Frame Relay, TCP/IP, and VPN.
• Well Experienced in configuring protocols HSRP, GLBP, VRRP, ICMP, IGMP, PPP, HDLC, PAP, CHAP,VRF and SNMP.
• Configuring & troubleshooting MPLS VPN circuits, IP VPN, Internet circuits.
• Strong gasp of current and future technologies including TCP/IP, IPv4/v6, RIP, EIGRP, OSPF, BGP, Frame Relay, ACL, VPN, Wireless LAN and configuration of VLANS.
• Strong experience on private, public IP addressing schema.
• Have Strong Knowledge and experience in designing, supporting and troubleshooting of IPSEC VPN's and Remote access SSL VPN'S.
• Implemented WLAN Aruba Wireless Access Points and its Controllers at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Experience in implementation of F5 GTM based on topology load balancing methods.
• Having experience in deploying BIG-IP F5LTM load balancers for Load balancing and traffic management of business application.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Good Experience with Aruba Controllers and Aruba Clear Pass Policy Manager.
• Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.
• Proficient in installing and configuring Windows Server 2003, 2008, 2012 and Windows XP, 7 & 8 Professional Client Operating Systems.
• 24 x 7 on call support.
• Experience in TCP/IP protocol suite and OSI Model.
• Experienced in working within a ITIL Change Management framework.
• Responsible for Configuring, Frame Relay, ATM Switches, ISDN, X.25 network. 
• Experience in Voice/Data/Wireless Networking.
• Experience with working xDSL technologies for High-data-rate DSL (HDSL) and Very high DSL (VDSL).
•  Hands on experience on E1/T1, ISDN, SDH/SONET, PDH and Ethernet analyzer for Transport & Datacom testing on the network.
• Experienced with migrations of DWDM systems working closely with customers to ensure accurate designs and records updates with minimal impact to customer's networks.
• Exposure to deployment and troubleshooting features such as OSPF, VRRP, VRF, MPLS, and BGP etc.
• Solid experience in Microsoft Office.
• Experience with upgrading firmware of Cisco UCS, Cisco and Nexus switches in a virtual environment.
• Support fully virtualized production data centers using Cisco UCS environment.
• Good Experience with Aruba Airwave Monitoring and Management.

TECHNICAL SKILLS:

Operating Systems: DOS, Windows, UNIX 

IP Routing: RIPv1, RIPv2, BGP, OSPF, IGRP, EIGRP.

Communication Protocols: TCP/IP, UDP, DHCP, DNS, ICMP, SNMP, ARP, RARP, PPP,NHRP, HDLC and ISDN

Topologies: Frame Relay, ATM, T1, T3, OC3, OC12, OC48, Ethernet, Cable Modem, x DSL and Wireless.

Network Peripheral Hubs: Cisco switches (2900, 2924, 2950, 3550, 3560, 4000, 5500, 6500, 6509, 6513), Cisco routers (2600, 2800, 3640, 3700, 3825, 7200, 7204, 7206), Cisco PIX500 series, Cisco ASA 5500 series, Juniper EX series switches. Cisco 1200 AirNet Access Points, CSU/DSUs, network cards and Modems

Network Management Tools: MRTG, HP Open view, Cisco WAN manager, Cisco works 2000 Sniffers Ethereal (Wireshark), Microsoft VISIO, Solarwinds.

PROFESSIONAL EXPERIENCE:

Network Engineer

Confidential, Houston, TX

Responsibilities:

• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, and BGP etc.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• Excellent qualities such as Teamwork, Negotiation, Analysis and Communication Experience in monitoring and Analysing the load balancing of network traffic using Solarwinds.
• Build and maintain Visio documentation database of network topology.
• Worked as an operational support engineer for various WAN problems.
• Troubleshooting of complex LAN/WAN infrastructure including routing protocols EIGRP, OSPF & BGP.
• Responsible for installation, troubleshooting of firewalls (Cisco firewalls, Checkpoint firewalls and Juniper firewalls,) and related software, and LAN/WAN protocols.
• Experience in installing, configuring and troubleshooting of Checkpoint Firewall.
• Worked on projects/WLAN/systems/issues of small to medium complex enterprise network. 
• Implemented, configured BGP WAN routing, converting OSPF routes to BGP (OSPF in local routing).
• Deploying and decommission of VLANs on core ASR 9K, Nexus 9K, 7K, 5K and its downstream devices and also configure 2k, 3k, 7k series Routers.
• Equipments (Routers, Switches, Check Point Firewall, F5 LTM v9, Vipron 11.2, etc) Prep., Test, Configuration & Installation.
• Responsible for verifying functionality and implementing F5 Vipron blade, Confidential firewall, Cisco nexus 7k and 5k for data center projects.
• Responsible to create IP address based on customer needs.
• Install and configure Cisco Routers, Switches and Voice Gateways.
• Strong work experience with industry standard performance testing tools like HP load runner, Performance Center, J-meter, SOAP UI, MS VSTS and CA Wily Introscope, New Relic, Dynatrace & Solarwinds monitoring tools.
• Managing the LAN/WAN devices across US /EMEA/APAC locations for day-to-day operations
• Successful completion of technical evaluation for Datacom products like E1, ISDN, Ethernet and SDH
• Responsible for overall firewall configuration implementations and policy installations across all platforms during maintenance windows including Juniper, Check Point, and Fortinet for major enterprise network.
• Worked on Cisco Routers, Active/Passive Hubs, Switches, Cisco PIX Firewall, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall
• Designing and Implementation of (LAN) VLANs, VTP, Spanning Tree (STP), Trunking (dot1q and ISL) and Ether channel.
• Worked on HP switches.
• Responsible for building Cisco UCS Infrastructure environment.
• Cisco UCS - daily administration & break/fix of 6248, 6296 and 6324 series FI's.
• Managing and administering Juniper SRX and Checkpoint Firewalls at various zones including DMZ, Extranet (Various Business Partners) and ASZ and internal.
• Troubleshot MS Lync voice related issues like: SIP call drop, fax relay, Lync calls routing, translation rules, dial plans, call restrictions, voice mail.
• Windows Server R2, 2012& R2, VM Ware ESX/ESXI server, Linux, Windows XP/Vista/7, IBM AS400.
• Remote Site Connectivity: VPN concepts, L2/L3 MPLS VPNs, Tunnel Based VPNs (GRE, multipoint GRE, DMVPN, and IPSec Site to Site VPN), NHRP protocol.
• Good understanding of FTTH, SONET, DWDM and CWDM technology.
• Experience in configuring and troubleshooting L2 protocols like VLANs, VTP, STP, VRF Ether Channel, DHCP Snooping and Port Security.
• Worked on Wireless connectivity issues and configured and replaced Aruba controllers.
• Configured VLANs, RSTP, HSRP, DLSW and VRRP for Sears FLS and offices.
• Hands-on-experience on VMware Networking concepts like creation of VSwitches, DVSwitches and different types of Port Groups.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA's 5585.
• Responsible for Cisco ASA firewall administration, Rule Analysis, Rule Modification.
• UCS Operational Validation & Troubleshooting.
• Experience designing TCP/IP networks, diagrams with Visio, and documentation of security policies.
• Working with Cisco Catalyst/Nexus/UCS/MDS, and F5's including ASM's.
• Successfully installed Confidential PA 3060 Firewall to protect data center and provides L3 support for routers/switches/firewall.
• Monitoring and troubleshooting Juniper SRX210/650.
• Knowledge on Juniper SRX240, SRX220, and SRX550 series firewalls.
• Configured and maintained IPsec and SSL VPN's on Confidential Firewalls.
• Assisting clients with designing/migrating systems to Avaya/Cisco PBX for one to multiple locations installations, routing and interconnecting to voice carriers for inter office and long distance.
• Negotiating Carriers and Data center contracts, SLAs, and Vendor support. Working closely with Network Operation Center (NOC). Negotiating bulk soft-switch, PBX license agreements with vendors - fixed and recurring.
• Day-to-day interaction with Data center in Dallas and coordinating with Clients locally and worldwide
• WAN: Frame Relay, ISDN T1/E1 (PRI/BRI), PPP, ATM and MPLS.
• Configuring VLANs/routing/NATing with the firewalls as per the network design.
• Gained hands on experience with VLSM, STP, VTP, VLAN Trunking.
• Engineer & execute complex traffic migrations with multiple levels of traffic to include DS0 to OCN and including DWDM systems. 
• Implement and configured GLBP (on core switching and also for VPN redundancy), HSRP on different location of office on the switched network and managing the entire multilayer switched network.
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP.
• Undertook troubleshooting of network connectivity problems and day-to-day operations.
• Provided customer support including daily backup procedures, testing network connections, equipment installation and turn-up, and remote hands assistance.
• Configuring of Virtual Private Cloud (VPC) with networking of subnets containing servers.
• Troubleshoot network issues (TCP/IP, HTTP, SSH, DNS) to internal and external customers.
• Configured MPLS &IPsec VPNs and QoS on PAETEC backbone (PE) routers.
• Migrated legacy F5 LTM and GTM appliance to newer version appliances.
• Design and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up approach.
• Experience on SSL offloading on F5 for Application security. Knowledge of OSI network Protocol/layer; Ethernet, PPP, MPLS, CDP, LLDP, IPv4, IPv6, BGP, OSPF, TCP, IP, UDP, DNS, DHCP, FTP, HTTP, SSH, SNMP,VRF Telnet, TFTP, ATM, Frame Relay.
• Upgrading WAN link using PPP Multilink and VOIP Call Manager and by implementing Cisco WAAS.
• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Extensive knowledge and troubleshooting in data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching, DoD standards.

Network Engineer

Confidential, San Francisco, CA

• Working on Network design and support, implementation related internal projects for establishing connectivity between the various field offices and data centers.
• Configuration and extension of VLAN from one network segment to their segment between Different vendor switches.
• Configure IT LAN/WAN elements and held responsibility of maintaining and monitoring performance of network.
• Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology Configured, installed, & managed DHCP, DNS, & WINS servers.
• Support F5 LTM v9 and Vipron 11.2, creating nodes, pools and virtual servers.
• Configured Performance-based routing failover using Cisco's PfRv3 in conjunction with Cisco's phase 3 DMVPN.
• Troubleshooting Firewall Connectivity related issues using Smart view tracker on Checkpoint, NSM Log viewer for Juniper Firewalls.
• Monitoring of web, application and database servers using New Relic, Solarwinds monitoring tools of all the servers.
• Configuring rules and maintaining Confidential firewalls and analysis of firewall logs using various tools.
• Worked on Juniper SRX 5800 firewalls to create policies using J-Web User Interface.
• Good experience in VOIP, IMS, CSCF, MGCF, 3GPP and signaling control services ENUM/DNS, SIP, H.323, MGCP, SCCP, DIAMETER, PCMM, RADIUS, SS7.
• Design and implementing of the UTP Cabling work-node to rack fixing and patch panel termination. 
• Configured Cisco Wireless Networks like IEEE 802.11 a/b/g/n, LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, RF spectrum characteristics.
• Experienced in deploying Aruba controllers like 7200, 7210 and cisco wireless controllers like 2500, 5500 configuration.
• Configuration of UCS and VMware Infrastructure part of the logical build and infrastructure services.
• Troubleshooting issues related to VMware & UCS in deploying stage. Install Infrastructure with the requirements of client environment.
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
• Hands on experience on E1/T1, ISDN, SDH/SONET, PDH and Ethernet analyzer for Transport & Datacom testing on the network. 
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.
• Managed LAN & WAN and Bluecoat proxy servers.
• WLAN design and troubleshooting ranging from isolating issues with WAP configurations to upgrading from Cisco Prime 1.9.x to 3.0.1 .
• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Experience on Endpoint security SME with McAfee Endpoint.
• Installation and configuration of virtualization using VMware.
• Configuration and troubleshooting on HSRP, VRRP, VRF,GLBP, RSTP, MST. 10G related issues coming in network environment.
• Configuring bridging technologies i.e. transparent, SR, SRT and DLSW.
• Configured static NAT, dynamic NAT, dynamic NAT overloading.
• Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches.
• Configured Routing protocols such as OSPF, BGP static routing and policy based routing.
• Worked on commissioning and decommissioning of the MPLS circuits for various field offices.
• Planning and designing to incorporate McAfee's IDS/IPS devices into Lowes network at optimized network locations.
• Migration of existing IPsec VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
• Configured SNMP on all the network devices and added them to SolarWinds for monitoring.
• Implemented, configured redundancy protocols HSRP, VRRP, GLBP for Default Gateway Redundancy.
• Configured HSRP and VLAN Trunking, 802.1Q, VLAN Routing on Nexus 7k, 5k and Catalyst 6500 switches.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
• Planned, tested and evaluated various equipment, systems, IOSs and procedures for use within the Network / security infrastructure.
• Upgrading IOS, troubleshooting network outages.
• Good experience in Netscout.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.
• Worked with JUNOS on Juniper Routers and Switches.
• Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.
• Evaluated team capability to setup and configure communications equipment in order to provide voice and data services in remote locations. 
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also providing secure sessions over internet using IPSec and SSL encryption.

Network Engineer

Confidential

• Technical assistance for LAN/WAN management and complex customer issues.
• Managing and configuring Cisco Switches and Routers independently.
• Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
• Good understanding and working knowledge of IMS, VoIP and SIP enabled platform like Cisco, Juniper, Genesys, Avaya, Ciena network devices.
• Experience with devices Confidential Network firewalls such as security NAT, Threat prevention & URL filtering.
• Implementing network using UTP cabling.
• Provided WLAN network troubleshooting for enterprise help desk support and home users.  
• Worked on Physical site; latency and slowness issues in transmitting results within internal quest network.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Configuring and working with Cisco Routers and Switches using protocols like RIP, EIGRP, and OSPF.
• Configuring static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution, Overlapping Address Transition.
• Implemented VLANS between different departments and connected them using trunk by keeping one VLAN under server mode and rest falling under client modes.
• Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
• Skillful in IEEE 802.11 specifications which use the Ethernet protocol and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) for path sharing.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Performance monitoring of various applications and web servers to maintain Qos and network stability.
• Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Supported Bluecoat proxies for URL filtering and content filtering.
• Configured Frame-Relay, ISDN, ATM, Protocols, & load balancing switches. 
• 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.
• Responsible for building and maintaining site to site VPN tunnels with other business partners based on the business requirements.
• Experience in Sniffers Ethereal (Wireshark).
• Implemented many number of security policy rules and NAT policy rules on Confidential, created Zones, Implemented Confidential Firewall interface, Confidential IDS and VLAN.
• Created dynamic access policies on the ASA's for the offshore vendors to be able to VPN in and access the resources they needed for their testing purposes.
• Configured Site-Site VPN on Confidential Firewall on one side and Fortinet on the other side.
• Designed IP Addressing schemes, VLAN tables and Switch port assignments, Trunking and Ether-channel implementation.
• Change management, monitoring network performance with network tools.
• Worked with vendors and Engineering team to test new hardware and procedures.
• Prepared and maintained documentation using MS Visio.
• Worked extensively on Data Center Confidential firewalls and F5 BIG-IP LTM.
• Configured Virtual Routing Forwarding (VRF) on Cisco routers.