SUMMARY

• 6 Plus years of experience in Networking, Security, System Engineering and Wireless Communications.
• Strong hands on experience on Cisco Routing, Switching and Security with Cisco hardware/software Cisco Catalyst 6500, 4500, 2900, 3500, 3750 XL series switches, Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 series routers.
• Configuring VLAN, spanning tree, VSTP, SNMP on EX series switches.
• Configuring RIP, OSPF and Static routing on Juniper EX/ MX/ SRX series Routers.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of spanning tree protocol (STP), VLAN trunking, inter VLAN routing and ISL/802.1q.
• Expertise in OSI layer model/TCP/IP.
• Extensive working experience on routing protocols like RIP, EIGRP, IGRP, OSPF and BGP.
• Working experience on VLANS, ether channels and STP, HSRP, VRRP.
• Experience in the setup of HSRP, Access - Lists, and RIP, OSPF, EIGRP, and tunnel installations.
• Proficient in the configuration of VLAN setup on various Cisco Routers and Switches.
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Strong hands on experience onPIX (506, 515, 525, 535), ASA (5505 / 5510) Firewalls. Implemented security policies usingACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Implementation of optimization solutions like Cisco WAAS
• Experience in configuring HSRP and Route redistribution between routing protocols troubleshooting them.
• Experience in handling video conferencing meetings through phone services like IP Telephony and through Cisco WebEx Cloud which help in engaging web meetings also through the phone devices.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Use the Defense Center to manage the full range of devices that comprise the FireSight System, and to aggregate, analyze, and respond to the threats they detect in the Network
• Proficiently implemented traffic filters using Standard and Extended access-lists, Distribute-Lists, Route Maps and route manipulation using Offset-list.
• Experience with Software development life cycle (SDLC) methodology, Framing out Business Transaction rules and related Documentation, creating Test Plans based on Functionality and Business rules.
• Good Knowledge in troubleshooting issues on NAT.
• Proficient with Cisco ASA 5500 series firewall and Websense.
• Analyzes files at the point of entry to catch known and Unknown Malware using cisco AMP Software.
• Experience setting up IPSEC VPN between ASA Firewall and Router 3800.
• Strong work experience with the following technologies MPLS, L2VPN, Multicast, and IPv6.

TECHNICAL SKILLS

Routers: Cisco ASR1000 series, 7600, 7200, 3800, 3600, 2900, 2800, 2600,1800.

Switches: Cisco Catalyst 2900, 3500, 3700,6500, 4500, 3850,3560, 3750, 2960, Nexus 2K/5K/7K.

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing.

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging.

LAN Protocols: Ethernet, TCP/IP, CDP, STP, RSTP, VTP, Fast Ethernet.

WAN Protocols: Frame Relay, PPP, HDLC.

Tunneling Protocols: L2TP, IPsec, PPP, MPLS, IEEE 802.1Q

Security/Firewall: Cisco ASA, VPN, ACL, RADIUS, Palo Alto, Websense, Firepower

Gateway Redundancy: HSRP and GLBP.

Operating System: Windows (98, 2000, XP, Vista, Windows 7, 8.1,10), LINUX.

Microsoft Tools: Microsoft Visio.

PROFESSIONAL EXPERIENCE

Confidential, Kansas, MO

Sr. Network Engineer

Responsibilities:

• Deploying and decommissioning Cisco switches and their respective software upgrades.
• Deploying and decommission of VLANs on core Nexus 7000 and its downstream devices.
• Assisted in MPLS migrations, implemented a backup for the existing WAN connection using site-to-site IP sec VPN tunnels.
• Configuring HSRP between VLANs, Configuring Ether-Channels, and Port Channel on 6500 catalysts.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OS Building the VPN tunnel and VPN encryption.
• Creating and updated network shares, adding permissions software and groups for users through Active directory.
• VPN implement & troubleshoot: IP-SEC tunnels, GRE Tunnels, SSL-VPN on Cisco Aruba.
• PCI Compliance auditing with Cisco/Aruba Wireless Security Assessments & also Wireless Site Surveys.
• Design and setup of Aruba Controllers 531, redundant 7211, 3200, 3400 and 6000 series.
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• Replaced Cisco Nexus 7010 switches with 7700 and 9000 series switches, implemented new Cisco ASA's, installed the framework for Cisco ACI and implemented new F5 LTM's and GTM's.
• WAN optimisation with Cisco WAAS Technology; and QoS implémenting.
• Maintenance of Cisco AAA server database and deployed AAA authentication, Authorization and accounting to all Cisco devices.
• Motivated team effectiveness in IOT testing of AAA servers, as well as switches and routers of multiple vendors.
• PF, LDP, EIGRP, RIP, BGP v4, Spanning Tree, 802.1q. Configured IP access filter policies.
• Involved in configuring and implementing Checkpoint VSX firewalls and experience in handling and managing Websense.
• Managed successful migration of critical production and contingency servers with no impact to business.
• Establishing Multicast management on ipv6 networks for communication between hosts and routers using IGMP protocol.
• Troubleshoot LTE Carrier Ethernet Backhaul Problems from IP Aggregators (Ericsson Smart Edge 1200, Alcatel-Lucent 7750, Cisco ASR 9000), and Cell Site Routers (Ericsson SP210/SP310, Alcatel-Lucent 7705, Cisco WMR 1900).
• Configured access layer switches in the ISE lab for implementation testing
• Setup monitoring ports and conducted packet capture with Wireshark for troubleshooting
• Aided in troubleshooting potential network issues in rolling out ISE
• Performing the ACL requests change by collecting source and destination information from them.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• ConfiguredVoIPusing Cisco Call Manager, RTP for real time voice transfer, settings of QoS usingCoSTrust Boundaries.
• Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and provided secure sessions over internet using IPsec and SSL encryption.
• Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.
• Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

Environment: Cisco Catalyst 2960/3750/4500/6500 Series Switches, Cisco 2800/2900/3000 Series ISR’s and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco Nexus 7K, Cisco ASA 5500, Checkpoint, windows server 2003/2008, F5 BIGIP LTM/GTM, ACL, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP.

Confidential, NY

Sr. Network Engineer

Responsibilities:

• Worked on F5 LTM/GTM, BIG-IP, load balancing, iRules, and WAN acceleration.
• Hands on experience with trouble shooting and configuring terminal servers.
• Providing Technical Support and solutions for Network Problems.
• Creating and managing user accounts to all team members in partner environment.
• Experience in Cisco switches and routers: IP addressing, WAN configurations.
• Escalation of procedures and customer notifications.
• Experience in handling video conferencing meetings through phone services like IP Telephony and through Cisco WebEx Cloud which help in engaging web meetings also through the phone devices.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Installed and Configured a Cisco secureACS server for AAA authentication.(RADIUS)
• Manage Cisco Routers andtroubleshootlayer1, layer2 and layer3 technologies for customer escalations.
• Administered Windows Server 2003 Active directory, including Group Policy, creation and deletion of user accounts, managing access controls, and domain structure configuration.
• Maintained the availability of LAN and WIFI resources in a Microsoft 2003 Server Active directoryenvironment.
• Administered Windows Server 2003 Active directory, including Group Policy, creation and deletion of user accounts, managing access controls, and domain structure configuration.
• Facilitated, tracked and completed decommission of 500+ application instances and servers.
• Provide solutions include wireless, switching, security, communications, and security cameras, all centrally managed from the web using Meraki WiFi.
• Troubleshooting Cisco routers, APs, Switches, Fortinet Devices and Meraki appliances. Installed and configured Meraki (MX80, MX60) Appliance via Meraki MX400 Cloud
• 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.
• Worked on Gaudian’s IPT project for overhauling and replacing existing Avaya and many other phone systems to deploy all of Cisco Unified Communication technologies.
• Worked on design and implementation of Dial-plan for Inbound and Outbound calls in CUCM Clusters.
• Protect capital and operational investments by developing a simple transition path from existing environments to architecture based on Cisco ACI.
• Optimize performance and reduce service interruption by proactively resolving problems efficiently to help you maintain the performance, reliability, and ROI of Cisco ACI deployment.
• Configuring and implementing F5 BIG-IP Load balancer.
• Implemented various processes and procedures to allow for a quicker turn around for all DNS projects.
• SME and Architect for the following solutions: Intel SIEM, Intel DLP, Email and Web Gateways, Cisco ASA with Firepower, Forcepoint NGFW, McAfee NSP (IPS), Endpoint protection, Advanced Malware Technologies, Incident Response, and Malware and breach mitigation.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring ASA Firewall and accept/reject rules for network traffic.
• Managed the large security, risk and compliance initiatives of SOX-404 IT, PCI DSS and HIPAA/HITECH, Privacy Act, FFIEC, FTC including security policies, procedures and controls.
• Designing, implementing LAN/WAN configurations on Cisco 5K, catalyst 6500 switches.
• 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.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Familiarity in working with TCP/IP, IPv4, IPv6 protocols in an environment which provides multithreading, multitenancy and High Availability support at Network Layer.
• Managed all phases of the software development lifecycle (SDLC) for dozens of custom solutions.
• Worked with physical, logical and operational network infrastructure, configuring IP unicast routing, IP multicast routing, network services and quality of service (QoS).
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems.
• Implementing, configuring, and troubleshooting various routing protocols like RIP, EIGRP, OSPF, BGP, IGMP etc.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640 /12000 /7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP, Wireshark.

Confidential, PA

Network Engineer

Responsibilities:

• Performed basic security audit of perimeter routers, identifying missing ACL’s, writing and applying ACL’s.
• Writing iRules defining criteria for selection of pool-members containing servers performing protocol support, content transformations.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Configuration and troubleshooting of Cisco 2500, 2600, 3000, 6500, 7500, 7200 Series routers.
• Configured & maintained LAN, WAN, VPN, WLAN, and Firewalls on Cisco Routers for end users.
• Configuring MPLS, VPN (IPSEC, GRE) in VPN concentrators and QOS in integrated networks (Data, Voice, and Video).
• Installed and configured of Juniper J-Series (J2350), Juniper SRX series and M-Series (M10) routers.
• Provided third level help desk support for problems relating to Active Directory.
• Upgraded worldwide Active Directory forest to Windows 2003.
• Planned and executed on Active Directory computer migration to new forest.
• Tested environment for potential upgrade to Windows 2008 as an Active Directory platform.
• Installed and configured the ACE, Palo Alto and CSM for firewall/Server Load balancing for Cisco Catalyst switches.
• Configuring IPS, IDS, VLAN, STP, Port security, SPAN, Ether channel in Cisco Composite Networks.
• Load Balancing with hands-on experience on Citrix NetScaler as well as F5 load balancer working with of engineers for document and support load balancing solutions unique to the application requirements.
• Handled IPMulticast, IPv6, IGMP, IGMP version 2 and 3, CGMP, IGMP Snooping, PIM-Sparse and Dense Mode,F5/Big-IPLoad Balancer
• Configuration and support of Juniper Net Screen Firewall and Palo Alto firewalls security.
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Used Coaxial cables for communication between the networking devices. (MoCA)
• Configured, installed, & managed DHCP, DNS servers.

Environment: TCP/IP networks, Cisco Works 2000, VLAN, VTP, STP, Trunks H/W, network drives, DSL, T1 Lines LAN, WAN, VLANs, IP Access List, Cisco 2620, 3750, 2950 and Link sys

Confidential

Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 100 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Developed a dashboard tool based on the sharepoint repository to track progress of migration phases.
• Configured network access servers and routers for AAA Security (RADIUS/ TACACS+).
• Configured network access servers for AAA Security.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• 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 issue Other responsibilities included documentation and support other teams.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.
• Configuration and maintenance of EIGRP and BGP network on router 7200 and 6500 MLS.
• Performed and presented network analysis as a part of network migration. Involved in knowledge transfer to vendors and provided them network support as required.

Environment: Cisco 3560/2950/2924/6509/6513/5500 switches, Cisco 3825/3640/7200 routers, VPN, BGP, OSPF, RIP, EIGRP, OSPF, F5 BIG-IP, LTM, GTM, Nexus Switches 5K/7K, VLAN, VTP, Checkpoint

Confidential

Network Engineer

Responsibilities:

• Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, Power supply unit, Network card, Video graphics card, Hard disk controller card on PC systems.
• Troubleshooting of personal computers. On line Support to customers concerning their computer problems.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Responsible for reporting day to day operations of all associated hubs, routers, bridges, gateways and related equipment.
• Configured BGP for CE to PE route advertisement inside the lab environment.
• Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators.
• Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.
• Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.
• Responsible for LAN and internet connection file and print server.
• Maintained and installed new internet connections for customers.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various lo w end routers in the network.
• Installed and maintained local printer as well as network printers.
• Handled Tech Support as it relates to LAN & WAN systems.
• Maintained and installed new internet connections for customers.
• Used various scanning and sniffing tools like Wire-shark.