SUMMARY:

• Certified Professional with 8 years of experience in routing, switching, firewall technologies, system design, and implementation and troubleshooting of complex network systems.
• Hands on experience in Cisco IOS/IOS - XR/NX-OS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, BGP v4, MPLS, NAT, VLAN, STP, VTP, HSRP & GLBP.
• Experience with designing, deploying and troubleshooting LAN, WAN, Frame-Relay, and Ether-channel .
• Configuration and administration of Cisco Intelligent, Contact Management which includes Cisco ICM Router, Logger, AW Distributor, PG's and CTIOS.
• Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Executed POC trials of Network Security technologies including web application firewalls like Fortigate, Juniper Net screen, SRX, and Palo Alto and also implemented the solutions.
• Switching tasks include VTP, ISL/802.1q, IPsec and GRE Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP and RSTP.
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX GigE circuits, Firewalls.
• Experience in IP addresses management services.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, Quality of Service (QOS).
• Sound knowledge of installing the core components of IPCC including CUCM, CVP, ICM router, Logger, AW Distributor, CTIOS, PG, CUIC, Cisco Email Interaction Manager, Cisco Web Interaction, VRF, VRF-Lite.
• Managed successful delivery of massive security response portfolio including Splunk, Cisco WSA, Cisco IPS, Sourcefire, FirePower and AMP
• Knowledge in OTV, Virtual Device context, Fabric path, Virtual Port channel and VSS cluster
• Experience with Load Balancers for administrating and monitoring global & local traffic.
• Experience in Network Management Tools and sniffers like SNMP, HP-Open view, Wireshark and Cisco works to support 24 x 7 Network Operation Center.
• Experience in physical cabling, IP addressing and sub-netting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), RSA envision, and Cisco works to support 24 x 7 Network Operation Center.
• Experience at cabling and troubleshooting hardware at data centers.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux/Unix platforms in Development, Lab & Production Environments.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Strong general management, negotiation, inter-personal, communication and team building skills.
• Excellent leadership with good written and oral communication.
• Great team player and able to work under pressure 24x7 duty rotation.

TECHNICAL SKILLS:

Networking Equipment: Router Platform 2600, 2800, 3800, 3900, 7200, 7500, ASR 1000, ASR 900, Juniper M, MX series

Cisco Switch Platform: 1900, 2900, 3550, 3560, 3750, 4500, 6509, 6513, 6500, MSFC, MSFC2, 7600, 3700, 3500, N5K, 7K, 9K, Brocade, Brocade ADX

Network OS: IOS (12.x), Cat OS, IOS-XE, IOS-XR, NX-OS, ASA 8.4, ASA 8.0 And JUNOS

Security and Firewall: Cisco ASA 5510, 5520, 5585, IDS/IPS (4200), Checkpoint 1100, Palo Alto- 200,500

Wireless: 802.11 a/c/g/n

Load Balancer: F5 BigIP GTM/LTM 2000, 5000, 6500, 6800 series, Cisco ACE 4710

Routing: EIGRP, OSPF, BGP, RIP, IS-IS

Switching: VLAN, Ether channel (PAGP & LACP, Load Balancing), HSRP, STP, RSTP, Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, and BPDU Guard) and 802.1q.

WAN: Frame relay, MPLS, DSL, Cable, Lease line (HDLC, PPP), ISDN, PPoE, and VPLS.

Network Security: IPsec, VPN Configuration, VPN Concentrator, ASA 5505, 5510 Firewalls, GRE, NAT/PAT, IDS/IPS, Ethereal.

Communication Protocols: TCP/IP, IPv6, ARP, VLAN (802.1q, ATM), PPP, HTTP, SSH, Frame Relay, MPLS, 802.11, VPN and Multicast, IGMP

Operating System and Software: Windows XP/Vista, Windows 2007, Windows server (2003, 2008), Microsoft office suite, Microsoft Visio, Microsoft Azure, VMware ESX 4.1, VMware VSphere client, Linux, Ubuntu.

Other Tools: VNC, Putty, SVN, and Clear Case

PROFESSIONAL EXPERIENCE:

Confidential, Austin, TX

Network Engineer

Responsibilities:

• Experience with high availability Nexus Environment and provide Level 3 Network Support.
• Configuring, Upgrading and verifying the NX-OS operation system.
• Configured RIP, OSPF, BGP and Static routing on Cisco 1600, 2600, 3600, 7300 series and Juniper M and MX series routers.
• Basic and advance F5 load balancer and Cisco ACE configurations, general troubleshooting of the F5 load balancers.
• Maintained and managed Domain Name Service (DNS) for AETC Active Directory (AD) enterprise
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope
• Analyzed and tested network protocols (Ethernet, TCP/IP) using Wireshark tool.
• Performed network monitoring and packet tracing using tools like Wireshark, OPNET
• Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Experience in working with BGP route redistribution and Multi homing.
• Hands on experience in creating a default route for BGP paths.
• Configuration and administration of Cisco Intelligent Contact Management which includes (Cisco ICM Router, Logger, AW Distributor, PG's and CTIOS)
• Designing and implementing QoS policy for different clients and different applications, VOIP and assigning different bandwidth’s according to need
• Experience in working with creation of Access lists (ACL) & Network Address Translation (NAT) for allowing or blocking certain traffic for EBGP/IBGP peers.
• Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, AAA (TACACS+ & RADIUS)
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Routing development between Riverbed Interceptor and Cisco and Juniper router platforms.
• Troubleshooting, and managing a variety of LAN/WAN platforms in a Network Operations Center(NOC), Command Center, Data Center, and Control Room environment, consistently finding resolutions to complex technical issues
• Monitoring network access rules usage on Tufin Secure Track.
• Configured Tufin and network devices for monitoring network rules.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches and also Configured Virtual Chassis for Juniper switches EX-4200, firewalls SRX-210 .
• 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.
• Configuring Virtual Device Context in Nexus 7010.
• Solarwinds updating, maintenance, standards & reporting
• Conducted wireless surveys using provisioned new AP's using Cisco Prime Infrastructure 2.1
• Monitored network tools using Solar winds, Cisco Routers and Switches, Nexus 7K, 5K, 2K (FEX’s)Cisco Prime
• Worked on multiple and parallel releases of Brocade's (MLX, ICX 7550 & 7450, FCX, VDX )for converged SAN+IP Network
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2B network connectivity.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Providing Level 3 Engineering and Support to other internal network engineers and contractors.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• 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.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces
• Engineering, re-designing, upgrading and tier 3 administration of Citrix NetScaler
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416, 21418 (with PRP and RPR processors)
• Configured UCS Fabric Interconnects 6248 / 6120
• Configured Cisco ASA Firepower module logs for system file inspection and handling captured files, file events, and malware events
• Advanced experience with SNMP and active monitoring tools from Solarwinds to track and report on the health of the network.
• Strong Troubleshooting Skills and Customer Centric approach.
• Configuring and troubleshooting type of routing to route traffic flow per customer requirement as primary, backup, load balancing and load splitting.
• To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.

Environment: Cisco 2948/3560/4500/3750/3550/3500/2960 6500 switches and Cisco 340/12000 /7200/3845/3600/2800 routers, MPLS, VPN, Cisco ASA5510, Checkpoint, F5 Load Balancer, Cisco Nexus 7K/6K/5K, Juniper M and MX series routers,Cisco ASA, Windows Server 2003/2008: F5 BIGIP LTM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

Confidential, Wilson, NC

Network Engineer

Responsibilities:

• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems of on a day to day basis & provide solutions that would fix the problems within their Network.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Involved in the activity of Data Center migration of regular Cisco catalyst switches with Nexus 2148, 2224T FEX, 5548, 5596, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E.
• Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• Monitored, analyzed and cleared network alarms at NOC
• Monitored, analyzed, troubleshooting, and managing a variety of LAN/WAN platforms in a Network Operations Center
• Installed and implemented & troubleshoot the Network Virtualization through VM Ware and NSX
• Deployed Vblock logical configuration design reviews
• Deployed & Automated and NSX product suites
• Configured Network and Security devices such as Cisco routers and switches (Cisco 7600/3500/6500, 2900, 4500, 3750 Nexus 7K/5K), Firewall (Checkpoint R75/Gaia and Cisco FWSM), Load Balancers and DNS and IP Manager (Infoblox).
• Configure VDC, OTV and VPC on Nexus 7000 and Nexus 5000
• Used IGMP, SMTP for protocols for Network destination worked on DDoS remediation using SDN techniques
• Developing transition mechanisms to deploy SDN within traditional IP networks
• Developed Python/TCL regression and performance test suite
• Platform was coded in Java (Swing) and SQL server and test modules written in Python
• Supported for large enterprise deployments of mission- critical applications through Vblock 540
• Routing Development between Riverbed Steelhead WAN Optimization Controllers and Cisco and Juniper router platforms
• Worked on datacenter for fabric protocols including Cisco ACI /APIC
• Network capacity planning, modeling, and traffic optimization and experience in using tools (Opnet, Netflow, etc.)
• Experience with configuring Nexus 2000 series Fabric Extenders (FEX) with F3, M3 remote line cards.
• Involved in scripting the IRules using TCL (Tool command language) and PERL for HTTP redirection
• Involved in iRule management like loading rules
• Writing iRule syntax using TCL language and iRule extension to TCL
• Implemented and managed security appliances such as Imperva Web Application Firewall (WAF) and designed to track and alert on potential security issues within the average 40M HTTP requests per day.
• Implemented security policies in Cisco and Palo Alto firewalls.
• Installed Palo Alto Next-Generation PA-3060, PA-5060 firewalls to protect Data Center with the use of IPS feature
• Experience in working with EBGP/IBGP peers
• Working with BGP states & Messages
• Working with well-known and optional BGP attributes for best path Selection
• Working with BGP neighbor ship conditions like redundancy and creating a default route.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• 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
• Installed, configured, and managed the firm's Citrix Access Gateway appliances and NetScaler’s 8.0
• Created documentation for server builds and Citrix applications installations
• Configured OSPF over frame relay networks for NBMA and point to multipoint strategies
• 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
• Hand on experience the configuration and implementation of various Cisco Routers and L2 Switches.
• Performed installation, configuration and testing of Aruba's wireless Access points.
• Configured Blue Coat Proxies' Web Application Reverse Proxy for securing and accelerate public web applications.
• Installed PBX hardware and Messaging platforms
• Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Built site-to-site IPsec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.
• Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits. Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting.

Environment: Cisco routers (1600, 3600, 7300) and Cisco switches (6509, 3550, 4500, 2900), Nexus (7K, 5K & 2K), Routing protocols (EIGRP, OSPF, BGP), MPLS, Switching Protocols (VTP, STP, GLBP, HSRP), F5 load balancer, PBX, NSX, Citrix NetScaler, Imperva, Cisco PIX (525, 515E), ASA (5540, 5510) firewall, Palo Alto firewall.

Confidential, Waltham, MA

Network Engineer

Responsibilities:

• Designed 10 gigabit networks using Cisco Nexus 5000 series switches, and Cisco 3800 series routers.
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and Cisco 2950, 3500, 5500, 6500 Series switches.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers.
• Configured RIP, PPP, BGP and OSPF routing, and Involving in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies, and Creating and provisioning Juniper SRX firewall policies
• Configuring RIP, EIGRP, OSPF and BGP in Cisco 2600, 2800, 3660 series, 3845, 7609 routers and Juniper M320, T640 routers.
• Involved in Replacement of FPCs, PICs on Juniper M320 and T640 router.
• Installed and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Implementation and Proactive Monitoring of MPLS (MPLS-VPN), QoS (Layer2 and Layer3) and BGP technology.
• Primary Network Security Engineer for Fiserv Firewall/VPN Support and Management on Checkpoint (Crossbeam and VSX), PIX, ASA.
• Involved in Shell and PERL scripts to handle files management and performed regular TFTP management for configuration files to store revisions
• Configuring of Composite Network models which consists of Cisco 7600, 7200, 3800 series routers.
• Team member of Configuration of Cisco 7206 router with VPN and Configuration of Catalyst switches.
• Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links
• Managed the configuration inventories and timely revisions for Cisco ACI policies.
• Deployed Cisco Nexus 5K Series to support Virtualization, SAN Infrastructure, and high performance computing environments.
• Responsible for Network Support Cisco ASA 5500 firewalls.
• Experience using diagnostic security and networking tools such as NMAP, Wireshark etc.
• Utilize Wireshark, NMAP and Command Line Prompts on a daily basis.
• Redesigned Internet connectivity infrastructure for meeting bandwidth requirements.
• Configured HSRP and VLAN trucking 802.1Q, VLAN Routing on Catalyst 6500 switches.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Experience with hardware load balancer administration and support, preferably with F5 and Cisco ACE load balancers.
• Oversaw tuning and performance monitoring for UNIX/Linux workstations, servers, and peripherals
• Configured on Load balancers and Riverbed WAN optimizers.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Monitored and analyzed Intrusion Detection Systems (IDS) & Intrusion Prevention System (IPS) to identify security issues for remediation.
• Configuration and troubleshooting of Cisco switches 2000, 3000, 6500, 7004, 7009, 7700 Series.

Environment: Cisco routers (1600, 3600, 7300) and Cisco switches (6509, 3550, 4500, 2900), Nexus (7K, 5K & 2K), Routing protocols (EIGRP, OSPF, BGP), MPLS, Switching Protocols (VTP, STP, GLBP, HSRP), F5 load balancer, PBX, NSX, Cisco PIX (525, 515E), ASA (5540, 5510) firewall, Palo Alto firewall.

Confidential

Network Administrator

Responsibilities:

• Initial Experience in Cisco routers (2800, 2900, 3900, 7200, ASR series routers.
• Configuring & Troubleshooting of IPsec, DMVPN & GRE Tunnels.
• Configure and apply ACLs based on Network filtering requirements.
• Configure L2 & L3 Switching on Cisco - 2950, 3750, 4500 & 6500 Switches.
• Configure VLAN, VTP, and Inter-VLAN Routing & Advanced STP.
• Configure and troubleshooting of redundancy protocols HSRP, VRRP & GLBP.
• Configure and troubleshooting of Cisco Stack switches (Cisco 3750).
• Managing Cisco IOS configuration files.
• Configure and Verify IGP routing protocols - RIP, EIGRP & OSPF.
• Configuring and Troubleshooting of BGP.
• Configuring PBR in Multi homed service provider environment.
• Configuring different kinds of NAT according to the Network Requirement.
• Calculate and apply an addressing scheme including VLSM IP addressing design for a Network.
• Configure and Verify PPP, HDLC & Frame-Relay WAN Connection between Cisco Routers.
• Configure and verify PPP Multilink on WAN interfaces.
• Implemented and assisted VSS technology with Cisco 6500 chassis.
• Assisted on configuration of Cisco Nexus families (N7K, N5K & N2K).
• Configuring VPC, Fabric Extender technology.
• Working in Rapid response team for handling high severity cases like P0 & P1 cases.
• Troubleshooting WAN, LAN issues and provide speedy resolution within SLA.
• Configure new switches/routers and places into the network via Emergency and standard change controls.
• Limiting the traffic from servers by applying rate-limit (CAR).
• Responsible for handling major outages and providing L2 support, upgrading IOS, and planning layout for configuration systems.
• Handle the tasks of providing support in network acquisition and analyzing network traffic requirements.
• Handle network administration tasks as well as analysis of data communications networks.

Environment: Cisco routers (1600, 3600, 7300) and Cisco switches (6509, 3550, 4500, 2900), Nexus (7K, 5K & 2K), Routing protocols (EIGRP, OSPF, BGP), MPLS, Switching Protocols (VTP, STP, GLBP, HSRP), F5 load balancer, PBX, NSX, Cisco PIX (525, 515E), ASA (5540, 5510) firewall.

Confidential

Jr. Network Administrator

Responsibilities:

• Designed network connectivity and network security, between various offices and data center.
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network.
• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Initial Experience in Cisco routers (2800, 2900, 3900, 7200, ASR series routers).
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF&BGP.
• Responsible for all aspects of TCP/IP functionality across multiple enterprise environments.
• Configured various wireless access points (WAP) for the organization network.
• Providing technical security proposals, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures.
• Performed Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, RSTP, Inter VLAN routing, LAN security etc.
• Implemented traffic filters using Standard and Extended access-lists.
• Assisted with the network associate of team responsible for administration and troubleshooting of CA Spectrum including Configuration, administration, and support of CA Site Minder (SSO/Single Sign-On).
• Designed and implemented an IP addressing scheme with subnets for different departments.
• Spearheaded meetings & discussions with service provider regarding network optimization and regarding BGP issues.
• Performed troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Provided support for troubleshooting and resolving Customer reported issues.
• Other responsibilities included documentation and support other teams.

Environment: Cisco routers (1600, 3600, 7300) and Cisco switches (6509, 3550, 4500, 2900), Nexus (7K, 5K & 2K), Routing protocols (EIGRP, OSPF, BGP), MPLS, Switching Protocols (VTP, STP, GLBP, HSRP), F5 load balancer, PBX, NSX, Cisco PIX (525, 515E), ASA (5540, 5510) firewall.