SUMMARY

• CCNA CCNP Certified Network professional with 8+ years of experience in network design, implementation, support, troubleshooting, optimizing, migrating and maintaining enterprise data network and service provider systems.
• Worked on Network system topologies and configurations, protocols such as TCP/IP and UDP and LAN technologies like Frame Relay, ATM, Bridges, Routers, Hubs and Switches.
• Routing, Switching, Multicasting, QOS, NMS, SDN, Firewall technologies, System design, Implementation and Troubleshooting of complex network systems.
• Good knowledge in working with Nexus 7K, 5K and 2K.
• Worked extensively on implementation and configuration of F5 LTM 6400 Load Balancers
• Experience in deploying and maintaining layer 7 appliances like Infoblox
• Configured IP helpers on the VLAN’s as requested by the customers as per their DHCP settings on Infoblox
• Maintain accurate software and hardware inventories.
• Repair and replace hardware including installing PCI cards dims, motherboards.
• Update optical system design of special programs.
• Exposure to Check point firewall Gaia R77.10& R77.30
• Configured Cisco Catalyst 6500, 4500, 3850, 3750, 2960 switches and Cisco 3600, 7200 & ASR1K & 9k Routers for an enterprise network.
• Worked on Juniper Netscreen Firewalls like, NS50, SSG 550M, SSG520M, ISG 1000, and ISG 200.
• Experience in software Defined networking, writing scripts, SDN controllers like OpenDaylight, understanding of REST/NETCONF API’s to configure devices.
• Experience in writing scripts to automate the CLI commands using TCL, Python etc.
• Responsible for installing and configure and debugging test cases at customer site
• Handle tasks of performing test plans to troubleshoot network communication systems.
• Implementation of Juniper Firewall, SSG Series, Net screen Series ISG 1000, SRX Series.
• In - depth knowledge and experience in WAN Technologies including OC3, E3/T3, E1/T1, Point to Point, MPLS and Frame Relay
• Worked on latest Cisco Switches like Nexus 9000, 7018, 5548, 5020 and 5010, Implemented advanced features like VDC, VPC, OTV and configured top of the row Fabric Extenders 2248 and 2232.
• Experience in Implementing, Maintaining, and Troubleshooting L2 Switching tasks: VLANs, VTP, VLAN Trunking (ISL/802.1Q), STP, RSTP, PVST, PVST+, CST, CEF and DCEF.
• Experience in T1/E1/T3 technologies and different LAN & WAN technologies.
• Good knowledge in SDWAN technology in involving discovery design and implementation of client’s network.
• Involved in configuring and implementing of composite network models consist of ASR 9k
• Experience in installing and maintaining company data base and servers
• Managed F5 Big IP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs
• Created pools for the nodes and assigned Virtual IP’s to those pools on F5
• Experience in configure and implementing load balancing features to an in-production web server.
• Experience in design, Deploying & Troubleshooting F5 load balancer Includes BIGIP Series 5050V, 10000V, 8900, 6900, and 3900.
• Planned and worked on design with Network team to Re-architect F5 load-balancers to load-balance traffic anywhere in the company network.
• Experience with proxy automatic configuration (Pac) and SMTP protocol.
• Good knowledge in supported NetScaler utilizing firewalls and content filtering devices.
• Experience in installed and managed SSL and VPN solutions for extranet connectivity.
• Administered citrix based appliance such as Access Gateway.
• Actively participated in upgrading Fast Ethernet, Layer 3 switched/routed LAN Infrastructure from Cisco 3640 to Cisco 2811 ISR Routers and Switches at access level to 2950, 3550.
• Worked extensively in Configuring, Monitoring and Troubleshooting Checkpoint security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls per design.
• Dealt with monitoring tools like Xymon, cacti, MG Soft and solar winds.
• Hands on experience on security devices and firewall infrastructure under enterprise level network.
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay & MPLS), Routing protocol configurations (RIP, EIGRP, OSPF, and BGP)
• Proficiency in Configuration of VLAN setup on various CISCO Routers and Switches.
• Extensive hands on Experience with Complex routed LAN networks, CISCO Routers and Switches.
• Basic Experience with configuring and managing Snort and Suricata detection systems.
• Experience through Hands-on Experience with Configuring T1.5, Gigabit Ethernet, Channelized T3 and full T3, OCX, ATM, Frame-Relay and VOIP (Voice-Over Internet Protocol)
• Experienced working on network monitoring and analysis tools like, SOLARWINDS, CISCO works and RIVER BED and Wireshark.
• Well experienced in Configuring HSRP, GLBP, ICMP, PPP, PAP, CHAP and SNMP.
• Experience in Installing and Configuring DNS, DHCP server. experience in on site physical and virtual support of technology infrastructure.
• Knowledge in datacenter for installation and remove servers and diagnosed and repair various network, software and operating system configuration issues.
• Good Experience on ITIL framework
• Experience installation and maintenance of various Aruba products and extending support to Enterprise customers and partners worldwide.
• Experience on IPS and/or DLP, Administration of McAfee anti-virus.
• Working Knowledge on VxLAN and/or Application Centric Infrastructure (ACI).

TECHNICAL SKILLS

Routers: Cisco 17XX, 18XX, 26XX, 28XX, 37XX, 38XX, 39XX &72XX, series & ASR1K & 9K Series

Switches: Cisco 3550, 3750, 45XX, 65XX series, Nexus 7K, 5K, 2K

Load Balancer: Cisco CSS, F5 load balance, F5 LTM 6400, GTM, APM

WAN Optimization: Cisco WAAS, PPP Multilink

Routing: OSPFv2/v3, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization,Static Routing.

Switching: VLAN, VTP, STP, PVST+, RPVST+, Inter VLAN Routing & Multi-Layer Switching, Multicast operations, Layer 3, Switches, Ether channels, Transparent Bridging

Qos: L2 L3 ACL’s, Differentiated services, Class of services, Rate limiters, Flow control.

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring, ATM LAN Emulation

WAN: Leased lines 64k - 155Mb (PPP / HDLC), channelized links (E1/T1/E3/T3)Fiber Optic Circuits, Frame Relay, ISDN, and Load Balancing.

Various Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP management.

IP Telephony: IP Telephony utilizing Cisco routers, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager (publisher & subscriber)

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Security / Firewalls: Cisco ASA Firewalls 55XX, IPSEC & SSL VPNs, IPS/IDS, DMZ Setup, CBAC, Cisco NAC, ACL IOS Firewall features, IOS Setup & Security Features

Juniper: EX 2200, EX 4200, EX 4500, MX-480, M Series, SRX210, SRX240

SDN: Open Daylight, ONOS, RYU, Mininet, Openflow, NFV, P4, MDSAL, REST API’s.

Scripting: TCL/Expect, Python, Linux Shell Scripting etc.

PROFESSIONAL EXPERIENCE

Confidential, Boston, MA

Sr. Network Engineer

Responsibilities:

• Involved in the Configuration & Troubleshooting of Routing Protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access Filter policies.
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.
• Configuration and maintenance of 3750 stack and 6500 VSS for improved efficiency of the data plane.
• Configured RIP, PPP, BGP and OSPF Routing.
• Worked on CISCO Nexus 7700, Nexus 5600 & 5500 series, and Nexus 2000 platforms
• Configuration and management of NEXUS network in the existing network infrastructure.
• Strong hands on experience in installing, configuring, and troubleshooting of Cisco ACI Nexus 7k, 5k, 2k, Cisco7600, 7200, 3800, 3900, 2800, 2900 series Routers, Cisco Catalyst 6500, 4500, 2960 and 3750 Stack Switches.
• F5 Big-IP load balancer Configuration, layer 7 load balancing using me-Rules (TCL)
• Experience with F5 load balancers (6400, 6800, and 8800) and Cisco load balancer (CSM, ACE and GSS), also migrating configurations from Cisco ACE to F5and general troubleshooting of the F5 load balancers.
• Provided LoadBalancing towards Access layer from Core layer using F5network load balancer.
• Implementation and troubleshooting F5 load balancers.
• Settings of the Networking devices, Cisco 4500 switches. (L3, Vlan's, SVI's, Infoblox) and Cisco 3700 (L2, DHCP) Cisco Access Points
• Created LAB Setup with 7k and 5K NEXUS switches for application testing.
• Configured and deployed VPC+ between Nexus 7710 and Nexus 56128, 5596 switches
• Worked on OTV to extend L2 VLANs between data centers over IP on Nexus 7710 switches
• Implemented Positive Enforcement Model with the help of Palo Alto Networks.
• Set up Palo AltoVPN Site to Site and troubleshoot tunnels & Troubleshoot sessions hang up
• LAN implementation and maintenance; install and configure DNS DHCP and WSUS
• Familiar with deployment and maintenance of many IT services (DNS, DHCP Apache, NFS, LDAP, PXE, etc.)
• Manage InfobloxIPAM, DNS, and DHCP services.
• Design & Installations from ground up of the F5appliances and the solution delivery.
• Take care of the Logging issues of the F5 load balancer and how it works with the syslog servers making sure the communications through the switches and routers and firewall hops work as expected.
• Take care of the Logging issues of the F5 load balancerand how it works with the syslog servers making sure the communications through the switches and routers.
• Creating and provisioning Juniper SRX firewall policies.
• Created standard access lists to allow SNMP, NTP and logging servers.
• Installation of Palo Alto(Application and URL filtering, Threat Prevention, Data Filtering).
• Successfully installed Palo AltoPA-3060 Firewalls to protect Data Center.
• Provisions remote authentication services Cisco ISE and Cisco ACS for ACIintegration
• Documented new VPN enrollments in a database and create standard procedures for further improvement.
• Implemented virtual Linux server and Windows server usingVMwareand Xen when needed for testing.
• Experience with proxy automatic configuration (pac) and SMTP protocol.
• Troubleshooting with layer 2 and layer 3 devices
• Troubleshoot traffic passing managed firewalls via logs and packet captures
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
• Implementation knowledge of QoS and CAC, troubleshooting complex network regarding call routing and Gateways.
• Detailed knowledge of MGCP, H323, SIP, VOIPand POTs Dial Peers, experience with implementing carrier grade Commercial VOIPphone services.
• Responsible for determining optical specification and develop optical inspection methodology
• In depth training in Windows Operating Systems, VPN and IE Browser issues
• Configure and implement Remote Access Solution: VPN, ISDN dial up, Fractional T1; Install CISCO IOS Firewall IDS using CISCO 2621 series router; Configure Cisco VPN3000 Concentrator to allow VPNclients; Implement CiscoSecure Access Control Server (ACS 3.0) for TACACS+/ RADIUS;
• Setup VPNnetwork through Silverlight 4.0 and data restoring.
• Configure VRRP & GLBP and VLAN Trucking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Negotiate VPN tunnels using IPsec encryption standards and also configured and implemented site-to-site VPN, Remote VPN.
• Provided proactive threat defense with ASA that stops attacks before they spread through the network.
• Responsible for Checkpoint and Cisco ASA firewall administration across global networks.
• Cisco ASA/Checkpoint Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network
• Monitored all WAN and LAN traffic performance with Riverbed and SolarWinds add and remove nodes within SolarWinds and Used Service Now for change control and incident management.
• Designed and implemented RiverbedWAN acceleration to optimize WAN performance of web applications, enable network backups and allow IPSec VPN backups over broadband Internet links. security/firewalls, Cisco, Foundry, and F5 application load balancers, Riverbedand Cisco wide area network
• Dealt with monitoring tools like Xymon, cacti and solar winds.
• Experience in installed and managed SSL and VPN solutions for extranet connectivity.
• Administered citrix based appliance such as Access Gateway.
• Analyzed and resolved issues relating to MPLS networks
• Designed, configure, implemented, integrated, and supported CitrixXendesktop 7.15, PVS, MCS, XenApp 7.15, Xenmobile, and Citrix NetScaler’s12.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 00/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, Palo Alto, Cisco Nexus7K/5K, 2248/3560/5020/6509 , ASA, Checkpoint, LAN, OSPF, BGP, RIP, EIGdhcpRP

Confidential, Glen Allen, VA

Sr Network Engineer

Responsibilities:

• Supporting EIGRP and BGP based PwC network by resolving level 2 &3 problems of internal teams & external customers of all locations.
• Working closely with multiple large partners, including Cisco, Riverbed, Orange and others, building integrated products.
• Worked as part of a team to manage Enterprise Network Infrastructure, involved in configuring and implementing of Composite Network models consists of CiscoNexus 7k, Nexus 9k, 6K, Cisco6500's, CiscoASR/ISR routers, Cisco ACI (CiscoApplication Centric Infrastructure) SDN solutions, DWDM (ONS) Spine and leave
• Designed and implemented Cisco VoIP infrastructure for a large enterprise and multi-unit office environment. Met aggressive schedule to ensure a Multi-office reconfiguration project which was successfully delivered
• Successful in Trouble shooting 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
• Expert level experience with network and application management, SNMP monitoring, performance analysis, network auditing, routing analysis, capacity planning, and network documentation using tools like Riverbed, OPNET, SolarWinds, and Wireshark.
• Experience with WAN Optimization tools like Bluecoat Proxy SG and RiverbedSteelhead
• Involved in IP addresses allocation for all the Networking devices including switches, routers firewalls through DNS entry using Infoblox.
• Manage support IT activities Backup, DNS, DHCPand Exchange services. New installations of Servers with in data centers. Servers (2008, 2012)
• Experience managing and maintaining InfobloxIP Address Management Appliances
• Upgrade Cisco Routers, Switches and Firewall (PIX) IOS using TFTP.
• Handled SRST and implemented and configured the Gateways, Voice Gateways.
• Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches
• Administration, Support upgrades (Juniper SW, Palo Alto& Cisco ASA) firewall.ASA
• Innovated with support of Palo Alto for remote and mobile users and for analyzing files for malware in a separate (cloud-based) process that does not impact stream processing.
• Configured F5GTM Wide IP, Pool loadBalancing Methods, probers and monitors recreating Http and https redirect VIP's to client from data servers
• Working experience with LoadBalancers F5LTM like 3900, 6900, 4200V over various environments.
• Installed high availability Big IP F5LTM and GTMto provide uninterrupted service to customers.
• Implementation and Configuration (Profiles, me Rules) of F5Big-IP LTM-6400 load balancers
• Upgraded load balancerfrom Redware to F5Big IP v9 which improved functionality and scalability in the enterprise.
• Experience with F5 load balancerto provide Land Balancing towards Access layer from core layer and configuring F5 LTM both by GUI and TMSH/CLI and Cisco load balancer(CSM, ACE and GSS).
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trucking, STP, Inter-Vlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Configured switches with port security and 802.1x for enhancing customer’s security.
• Provide on-call support for VPN users as needed.
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Handled Tech Support as it relates to LAN & WAN systems.
• 24/7 on call support.
• Supports operational CitrixPresentation Server, Xen Desktop CitrixProvisioning Server, NetScaler, License Server, and VMWare Farms

Environment: Net Flow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 6509/ 3750/3550/3500/2950 switches, Checkpoint firewalls (SPLAT).

Confidential, Denver CO

Network Engineer

Responsibilities:

• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Worked with Complex Routed IP networks, routers, layer 2/3 switches firewalls, LAN /WAN networking hardware and protocols.
• Comprehensive elementary configurations on the F5 Big-IP LTMs load balancer on prevailing network to divide traffic on web-servers.
• Worked on Cisco 2950,2960, 4507, 6509 series switches for LAN requirements, that includes managing VLANs, Inter-VLAN Routing, VTP, STP, RSTP, PVST+, Port-Securities and troubleshooting LAN issues.
• Responsible for Level 3 support Firewall Engineer (Cisco ASA).
• Enabled STP attack mitigation (BPDU Guard, Root Guard), using MD5 authentication for VTP, disabling all unused ports and putting them in unused VLAN and ensuring DHCP attack prevention where needed.
• Troubleshoot TCP/IP and troubleshoot connectivity issues in multi-protocol Ethernet.
• Troubleshooting the issues and outages on Trunks and Router interfaces comprehensively.
• Provided technical assistance for LAN/WAN management & troubleshooting.
• Developed deployment solutions for network technologies, including Optical, VoIP, VPN, switching and routing.
• Experience configuring VPC, Virtual Device Context in Nexus 7010
• Working in high availability Nexus Environment and provide Level 3 Network Support
• Working with Cisco Nexus 2148 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers
• Worked on CISCO Nexus 7700, Nexus 5600 & 5500 series, and Nexus 2000 platforms
• Exposure to Nexus, Hardware Architecture of the Sups, chassis, me/O Modules, Fabrics, Licensing, VDC, VPC, ISSU, using NXOS CLI
• Worked with Cisco advance services to implement data center Nexus environment for new, Upgraded the NX-OS in nexus 7018, 7010 and nexus 5548 and 5596.
• Consolidated multi-tiered environment into a pair of Nexus 7000 switches using VPC and VRF
• Configuring STP for loop deterrence and VTP for Inter-VLAN Routing.
• Installing and configuring Routers, Switches and CSU/DSU's to support WAN links.
• Product analysis and support for Access-layer switches such as Cisco 4510, 4948, 4507, distribution layer switches such as 6513, 6509, 6504 and a routed core.
• Setting VLANS and configuring trunk on Fast-Ethernet channel between switches.
• Installed and maintained CISCO 3600, 2600, 2900 and provided Gateway Redundancy by HSRP, VRRP.
• Expanding the network and providing proper routing such as OSPF, EIGRP, static route and default route.
• Used Network Troubleshooting Tools such as Ping, Telnet and Trace route to verify network diagrams proposed network changes and IP services.
• Assigned responsibilities of assisting senior networking testing engineer in implementing network testing plans.
• Assisted senior network test engineer in implementing network features and automated test cases.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.

Environment: Cisco Routers 7600, 7200, 3800, 3700, 2800, 2500; Cisco Catalyst switches: 6500, 4500, 3500, 3750, 3850, 2900; Cisco ASA 5550, 5520; VTP, VLAN and 802.1Q trunking; Routing Protocols OSPF, EIGRP, Static Route; Sniffer tools: Wire shark, MS Visio

Confidential

Network Support Engineer

Responsibilities:

• Actively participated and completed many projects based on MPLS VPN, Internet Solutions for corporate customers Backbone.
• Actively participated Implementation and customization of customer network.
• Hands on experience working on Confidential switches, Cisco 7600, 12K, ASR routers & Juniper MX series and Juniper BRAS.
• Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
• Configuration and troubleshooting of many link types me.e. SONET Controllers for sub E1/T1, E3/T3 and • POS controllers for STM1 links.
• Implementation and testing of ISDN BRI/PRI circuits.
• Migrated Vlans from ASA (perimeter firewalls) to FWSM's for better security management
• Responsible to troubleshoot the connectivity between CPE router and the COLT's edge router (SAR)
• Worked closely with RIR (Regional Internet Registry) to procure PI (Provider Independent) and PA (Provider
• Responsible for troubleshooting complex networking issues in service provider MPLS & internet
• Aggregately) IP addresses and AS numbers for COLT and customers.
• Set up DNS Reverse Delegation according to RIPE rules in RIPE Database.

Environment: CRS, ASR9K, NCS6K, Network Profiler, CEC, Cisco Jabber, Outlook, LAN, VPN, SecureCRT, NOS specialization, Case Kwery Tool, IP Control tool, CRAN Provisioning tool, National Engineering Tool, BMC Remedy, Skype etc.

Confidential

Network Engineer

Responsibilities:

• Responsible with analysis and diagnosis of highly complex networking problems.
• Hands on Experience with simulated networks in test labs to resolve highly complex problems and compatibility issues.
• Supports with technology design conversations/collaboration/workshops
• Delivering subscription optimization business to maximize customer value.
• Works on standard project documentation including detailed test plan for highly complex networks.
• Provide Support and Generates network configurations from Low Level for highly complex networks.
• Plans and executes highly complex Network Upgrade and Network Migration activity.
• Assists customer (Comcast) with deployment and strategy of highly complex technology solutions
• Troubleshoots and resolves highly complex customer network problems across a broad range of technologies.
• Acts as a focal point for highly complex network problem resolution.
• Hands on Experience with the ATP Testing with IOS-XR.
• Working with Daily Basis Reporting (Network Profiler).
• Interacted with clients and analyzed operational requirements.
• Hands on experience with the VPN.
• Supports Customer with day to day Issues with the Protocols.

Environment: MPLS VPN, Cisco 7600, 12K, ASR routers & Juniper, MX series, Juniper BRAS, Oracle IPSA, SONET Controllers, Sub E1/T1, E3/T3, STM1, ISDN BRI/PRI circuits, CPE router, COLT's edge router, RIR, IP addresses, RIPE.