SUMMARY

• CCNP Certified Professional with 8+ years of experience in network design, implementation, troubleshooting, engineering, managing & migration of large - scale enterprise networks.
• Experience in deployment and configuration of Cisco 7600/3800/2800/1900 series routers and Cisco catalyst 6500/4500/3750/2950 series switches.
• Worked on Routers & Switches: GSR 12000, Cisco, 7200, 7600, ASR 1002, Cisco 6500, 4506, 4510, Nexus.
• Expertise in implementing L2 technologies including VLAN’s, VTP, STP, RSTP, Trunking& Port Security.
• To coordinate with ISP for Alarms related to link down (Internet and VOIP link). And Configuration of VOIP phones.
• Configuration and management of Cisco IP phones
• Provided firewall policy configuration and services with Juniper SRX 240 & 650 series
• Extensive knowledge/experience in implementing, maintaining and troubleshooting LAN/WAN, Network security including NAT configuration, VPN Concentrator, VLAN, Cisco Firewalls.
• Responsible for Check Point and Cisco ASA firewall administration across global networks
• Experience in managing and securing remote access through designing and implementing various VPN technologies including IPSec and SSL.
• Working Experience Whole sale and Retail Traffic. Troubleshooting VOIP and Network issue VoIP Devices Installation and Hardware and Networking Testing VoIP Devices, PRI Testing,IPPBX, Security Cameras online Installation, Knowledge of Drishti Dialer, Audio Code configure and shot our customer Queri.
• Have good hands on experience in Security monitoring tools like IPS Manager Express,
• Has extensive experience in Designing and Deployment of Network Security and Network Solutions.
• Configuration and Management of VPN's Between Clients and our data Center.
• TrendMicro Application on Deep security acts as an (IDS/IPS) in our Network
• Worked on Cisco FWSM/PIX/ASDM, Nokia Checkpoint NG and Juniper SRX platforms.
• Familiar with Cisco firewalls PIX 515 and ASA 5500series.
• Experience in Configuring Client-to-Site VPN using SSL Client on Cisco ASA 5520.
• Worked on Port Groups on M Series Module and F Series Module for Nexus 7K
• Configuration of Fabric path and connectivity between Nexus 5K and Nexus 7K
• Knowledge of SolarWinds Orion, Cisco Works, HP Open view network monitoring tools
• Security Incident handling, SIEM (ESEM) using RSA Envision/Arcsight products.
• Maintaining and updating inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NTP.
• Working on VOIP protocols (SIP, H.323) and understanding of TDM signaling (SS7, PRI, ISDN)
• Troubleshooting VOIP and Network issue VoIP Devices Installation and Hardware and Networking Testing VoIP Devices, PRI Testing,IPPBX, Router configuration.
• Implemented security policies using SSL, VPN, IPS/IDS
• Experience with CSM, F5 (LTM) Load balancers to provide efficient switching and routing for local and global traffic.
• Monitoring VoIP transport such as, H.323, SIP, Inter Cluster Trunking, Call Admission and Control mechanisms, centralization of call processing and Trunking services and network policy enforcement.
• Worked on VoIP Media RTP/RTCP.
• Development of VoIP protocol connectors for video endpoints like Skype, H.323 and SIP.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Proficient in Cisco ca for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Sound knowledge of Routing, Switching concepts and MPLS design.
• Good understanding of JUNOS platform and worked with IOS upgrade of Juniper devices.
• Configured Security policies including NAT, PAT, VPN, Route-maps and Access Control Lists.
• Good team player, excellent communication skills, analytical skills and eagerness to learn new technologies
• Moderate knowledge in configuring and troubleshooting Cisco Wireless Networks: LWAPP, WLC, WCS, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics.
• Upgraded Nexus OS on Nexus5k.
• Experience in configuration of VLAN with 802.1q, VTP, STP and RSTP (802.1W) configuration, irules, managing SSL certificates (SHA1 and SHA2), client based authentication using SSL certificates
• Cisco PIX 535, 520, 515, ASA -5500 and 5505. Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)

TECHNICAL SKILLS

Networking Equipment: Cisco 2500,2600,2800,3600,3800,7200,7600 series routers, Cisco 1900,2900,3550,3750,4900,6500 series catalyst switches, ACE load balancer 4700, F5 Load Balancer, WAP, Nexus

Routing Protocols: RIP v1 & v2, EIGRP, OSPF, BGP, VRRP, HSRP, GLBP

LAN technologies: Ethernet/ Fast Ethernet/ Gigabit Ethernet networks, VLANS, VTP, STP, 802.1q

WAN technologies: Frame Relay, PPP, ATM, ISDN, PPP, MPLS; exposure to DS1, DS2, OC3, OC12, T1/T3, E1/E3 and leased lines.

WLAN Technology: 802.1Q standards, Lightweight and Autonomous systems

Network Security: IPSec, VPN Configuration, VPN Concentrator, Arc Sight SIEM, PIX 506, 515, 525, 535; ASA 5505, 5510 Firewalls, NAT/PAT, IDS/IPS, Ethereal. Checkpoint, Blue coat

Infrastructure services: DHCP, DNS, SMTP, FTP, TFTP, POP3

Network Management: SNMP, Cisco Works, WhatsUp Gold, HP Open View

Communication Protocols: TCP/IP, IPv6, ARP, VLAN (802.1q, ATM), PPP, HTTP, SSH, Frame Relay, MPLS, 802.11, Wi-Fi, WiMAX, Bluetooth

Communication Concepts: VPN, Multicasting, CDMA, W-CDMA, GSM

Platforms: Windows, LINUX, Cisco OS, Mac OS

Applications: MS Office, MS Visio

PROFESSIONAL EXPERIENCE

Confidential, herdon,Virginia

Sr. Network Engineer

Responsibilities:

• Implementing and managing Routing protocols and troubleshooting
• Designing, implementing and managing LAN/WAN switching environment and resolving the problems associated with it
• Implementing QOS and performing traffic engineering.
• Working with various vendors to order new MPLS circuits for the sites, performing the TTU of the circuits
• Configuring and troubleshooting devices on VOIP network through Cisco Unified Communication Manager.Moving the Office 365 traffic which is flowing via MPLS circuit to an internet link at the site to increase available bandwidth on the MPLS links.
• Work with local site support to install new switches and routers at the site.
• DO IOS upgrade on Cisco routers, switches and Access points at the site to the standard IOS.
• Handled the project to install a new internet link at the headquarters from ordering the link from ISP, determining the fiber entry point, checking the parameters in MDF, ordering the fiber/SFP and configuring the router.
• Created the site documentation for all the sites in VISIO.
• Worked with the team to do enterprise wireless migration from parent company to the new company
• Worked on WAN migration from parent company to the new company.
• Vendors route and as per the problems of the Clients connected to us around the world to our VoIP service.
• Worked closely with the desktop team for desktop migration from parent company to the new company.
• Mapping DID (Direct Inward Dialing) numbers on the desired VoIP extension numbers as per the requirement.
• Act as a technical lead on larger project, dividing work among multiple resources and providing guidance and mentoring junior staff members.
• Implementation, up gradation and testing of new VOIP hardware/software products over the VOIP network

Confidential, Birmingham, Alabama

Network Security engineer

Responsibilities:

• Worked as a part of a team to manage Confidential Network Incident engineering.
• Proactively monitored availability and performance of the Confidential network and infrastructure using key tools.
• Effectively responded to Monitoring alerts, incident tickets, and email requests handled by Confidential Operations Center.
• Performed Troubleshooting issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Configuration of NAT.
• Resolved a long pending PSTN caller ID issue/VOIP phone implementation all over the network
• Good experience on troubleshooting CISCO Nexus switches like 7000 and 5000 series.
• Performed Troubleshooting and Configured of Various routing protocols like BGP, OSPF, RIP and switchingProtocols like STP, RSTP.
• Configured HSRP and VLAN Trunking 802.1Q, VLAN Routing using MSFC on Catalyst 6500 Switches.
• Implemented the MOP on the network devices and doing the smoke test to ensure the smooth implementation.
• Manage Cisco VOIP Networks using Cisco Unified Call Manager(Version 11.x,10.x,9.x,8.x), CUC, Cisco Telepresence, Voice Gateways,UCCX.
• Working with VoIP Protocols like H323 and MGCP. Familiar with SIP and ISDN Protocols like Q931 and Q921.
• Good troubleshooting experience with problems related to F5 load balancer.
• Ensured user tickets and monitoring alerts are handled per pre-defined SLA's for response time, updates and closure.
• Integration and Management of VoIP Networks with IP PBX Networks
• Installed and Performed troubleshoot T1’s, Ethernet connections with different ISP’s using routing protocols OSPF, BGP
• Configuration of POTS and VOIP dial peer configuration in Gateways
• Developed Visio diagrams for the newly built data centers in the MS environment.

Confidential, Redmond, WA

Network Security engineer

Responsibilities:

• Administrated ASA firewalls in the DMZ and FWSM in the Server Farm to provide security and controlled/restricted access
• Configuring VLAN, spanning tree, VSTP, SNMP on EX series switches
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Responsible for turning up BGP peering and customer sessions, as well as debugging BGP routing problems.
• Expert in design, configuration and deployment of F5 Solutions with extensive experience working with APMand ASM technologies.
• Administrator for 14 F5LTM Load Balancers, and 4 F5 GTMAppliances.
• Dealt with implementation of deployment related to Cisco devices and applying security policies on it.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Assisted in the architecture, evaluation and recommendations related to purchasing and installing hardware, software related to IP Networking and Trunks, Spanning Tree protocol, Port-Security, VLAN-MAPs and DOT1X for Switches and Wireless.
• Support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Configuring the Cisco VOIP Phone & Cisco call manager.
• Responsible for Checkpoint firewall management and operations across our global networks.
• Working with Checkpoint Support for resolving escalated issues.
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations additional resources or hardware.
• Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions.
• Created labs for F5 APM, ASM, and LTM implementations of Confidential Exchange, Confidential SQL, Confidential IIS services, LAMP servers, and more
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for datacenter access architecture.
• Experience configuring Virtual Device Context in Nexus 7010
• ConfiguredJuniperMX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design.
• Has a good experience working with the Trouble Tickets on F5 Load balancers.
• Switch experience includes Cisco Catalyst switches: CISCO 3750, 4500, 6500 series switches.
• My responsibility was also to add new BGP peers for remote branch offices and business partners.
• Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480 and M Series, SRX210 and SRX240.
• Has done the Configuration on BIG IP (F5) Load balancers and monitored the Packet Flow in the load balancers.

Confidential, New Jersey

Network Engineer

Responsibilities:

• Provided support for global network including T1/T3, ATM and Frame Relay on 7200 series Routers at the DATA center.
• Call Routing: Route Patterns, Dial-peers (VOIP, POTS), Digit Manipulation, Redundancy.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintained and Troubleshot connectivity problems using PING, Trace route.
• Planning and Implementation of Sub netting,VLSMto conserve IP addresses.
• Configured RSTP for loop prevention and VTP for Inter-VLAN Routing.
• Configured and troubleshotEIGRP, OSPF, BGP related issues
• Configuration of Standard and Extended ACLs for Security.
• Worked along with the Load balancers team closely to solve many network related issues.
• Technical assistance for LAN/WAN management and complex customer issues.
• Monitored the operability and reliability of the network.
• Providedsupport for troubleshooting and resolving Customer reported issues.
• Performed IOS upgrades on Catalyst switches 3560, 3750, 4500, 6500 and 3600, 3800, 7200 routers.
• Implemented and configured routing protocols like EIGRP, OSPF, BGP.
• Worked along with the team regarding deployment management
• Troubleshot the issues related to routing protocols.
• Managed, troubleshot and monitored the network using Network Monitoring tool.
• Network Security implementation with Cisco IOS Feature Set and NAT
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

Confidential

Network Support Engineer

Responsibilities:

• Maintained and provided technical support for Layer 2 and layer 3 devices in the network.
• Configured and troubleshotVLAN, STP, VTP, HSRP&TRUNKING in enterprise switched environment.
• Made configuration change recommendations for routers, switches and firewalls.
• Performed day to day network operations using Remedy tool for ticketing system and change management.
• Attended managerial and technical meeting to discuss current progress of the projects.
• Configured Cisco routers 3800 series routers and 7600 series routers at DC and DR. I also worked on Cisco 3750, 4500 & 6500 Switches.
• Configured EIGRP as the main IGP in the network. Maintenance involved troubleshooting of EIGRP for network related issues.
• Taking part in client meetings to understand their requirements and addressing their concerns and needs in Cisco VoIP Technology.
• Configured and troubleshot routing issues related to protocols EIGRP and BGP.
• Created the detailed design drawing of the site, which are under up-gradation and getting validated from the technical design team.
• Created detailed documentation of the networks implemented.
• Constructed VISIO diagrams related to the network.

Confidential

Network Engineer

Responsibilities:

• Experience on Cisco IOS and Upgrading Cisco IOS using TFTP server.
• Worked for Backups of Cisco router configuration files to a TFTP server.
• Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• Configuring dial-peers VoIP and pots.
• Handled data network issues in and around sites and providing solutions.
• Performed Basic configuration of routers, switches, hubs, modems and other networking devices.
• Troubleshot all networking problems to ensure minimum downtime and maximum availability of network.
• Designed and implemented complete site VoIP build-up projects.
• Performing changes related to Cisco VOIP network.
• Managed office network with Cisco devices with network devices including 2500 and 3600 series routers and 3500, 2900, 1900 series switches.
• Configured and managed networks using L3 protocols like RIPv2, IGRP.
• Configured VLANs, Private VLANs, VTP and Trunking on switches.
• Configured L2 and L3 security features on devices.
• Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic Natting.
• Log messages using Syslog server and analyze the issues related to high CPU utilization and parameters that can degrade performance of the network.
• Involved with the network infrastructure and the planning and design of enterprise local-area/wide-area network (LAN/WAN) solutions.
• Plan, design, install and configure LAN/WAN as per organizational/client requirements, governed by communication protocols.