PROFESSIONAL SUMMARY:

• Over 8+ years of experience in Designing, Implementing and Troubleshooting Service Provider Networks and Enterprise Networks and Network administration, implementation, design and troubleshooting Seeking a challenging and interesting opportunity in computer/network engineering which enables me to maximize my technical and managerial skills.
• Experience in Wireless LAN (IEEE 802.11) and deployment of light weight access point.
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 3700 series, 6500 series)
• Expertise in installing, configuring, and troubleshooting of Cisco Routers (3800, 3600, 2800, 2600, 1800, 1700, 800)
• Extensively worked on Cisco catalyst 6509 and implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches.
• Protocols Awareness: OSPF, EIGRP, RIP, BGP, HSRP, ACL, VTP, NAT/PAT, CDP, SSH, HTTP, HTTPS, NTP, SNMP, ARP, STP (802.1D), SNMP, DNS & DHCP.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Administration and diagnostics of LAN and WAN with in - depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Cisco ASA 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.
• Extensive Knowledge on the implementation of Cisco ASA 5500 series firewalls.
• Hands on experience working with Cisco Nexus 7K, 5K & 2K Switches.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.
• Implemented redundancy with HSRP, Ether channel technology (LACP, PAgP) etc.
• Excellent problem solving and debugging skills with good verbal/written communication and presentation skills
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• In-depth knowledge of implementing, configuring and troubleshooting Routing Protocols Static Routing, EIGRP, OSPF, BGP
• Extensive knowledge of deploying and troubleshooting L2/L3, TCP/IP, Multilayer Switches
• Expertise in implementation and troubleshooting of protocols such as STP, RSTP, PVST, HSRP and VRRP
• Network management using Syslog, Packet Sniffers, SNMP etc.
• Experience in configuration Voice over IP (VOIP).
• Extensive knowledge of deploying & troubleshooting TCP/IP, Implementing IPv6, Translation from IPv4 to IPv6, Multilayer Switching, UDP, Ethernet, Voice & Data Integration techniques.
• Extensive knowledge in developing test plans, procedures, and testing Various LAN/WAN Products and Protocols.
• Created and design network layout and documented network system design with detail information using Visio software. Vendor co-ordination for hardware issues and assessment management.
• Specialize in VoIP traffic analysis and designing VoIP networks for small MSPs.

TECHNICAL SKILLS:

LAN Technologies: VLAN, VTP, Inter-Vlan routing, STP, RSTP, PVST, 802.1x

WAN Technologies: Frame Relay, ISDN, PPP, ATM, MPLS, Channel & Leased lines

Network Securities: NAT/PAT, VPN, Filtering, Load Balancing using f5 and Cisco ace, IDS/IPS,IPsec, ACL, Checkpoint

Transparent Bridging Routers: Juniper MX80, MX240, MX 480, MX960, ACX 1000, M120, Cisco 2620, 2901, 3925, 3945E, 7201, 7613

Routing Protocols: RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, IPv6

Routed Protocols: TCP/IP, IPX/SPX

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

Network Managements:: SNMP, SSH, Telnet, ICMP

IP Telephony:: VOIP, FXO/FXS/E&M/T1/ISDN/ PRI, Call manager Express.

Operating Systems:: Windows Vista/XP/NT/2003, MS DOS, UNIX, Linux

Comm. Protocols: : ARP, Wi-Fi, WiMax, CDMA, 3G

Packages: Visual Studio 2008, OPNET, MATLAB, CAD, Flash, Dream weaver.

Languages/ Tools: C, C++, Assembly 8085 and 8951/2, MIPS, CAD, VBScript

PROFESSIONAL EXPERIENCE:

Confidential, Bay Shore, NY

Senior Network Engineer

RESPONSIBILITIES:

• Configured and deployment of routing protocols OSPF, EIGRP & BGP over Cisco Routers in Production environment.
• Experienced working knowledge with 1800, 2800, 2500, 2600, 2800, 3600, 3800, 3900, 7204, 7606 series Routers.
• Worked on Cisco 6509, 6513 and 4510 switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues.
• Performed LAN operations and troubleshooting which involves working on VLANs, inter-VLAN routing, Trunking, STP, RSTP, port aggregation & link negotiation.
• Implemented redundancy with HSRP, Ether channel technology (LACP, PAgP) etc.
• Worked on Cisco Firewall ASA 5500(5510/5540) Series. Performed Security operations in terms of pushing new policies and deploying new rules. Performing security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features.
• Actively involved in Switching technology Administration including creating and managing VLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Implemented new DMZ and data isolation and also worked on ASA virtualization using ASA Device Context.
• Worked on F5 BIG-IP LTM 8900, configured profiles, provided and ensured high availability.
• Worked on F5 and CSM load balancers deploying many load balancing techniques with multiple components for efficient performance.
• Configure and Troubleshoot Juniper Router (J2320) with IOS (JUNOS 9.3).
• Troubleshooting issues related to Layer 1/2/3 skills like switching / routing, WAN /Hardware and critical network links by coordinating with the vendor.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Confidential Retail sites.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Migration of existing IPSEC VPN tunnels from Pre-Shared key to Certificate Authority for purpose of scaling.
• Managing and providing support to various project teams with regards to the addition of new equipment such as routers switches and firewalls to the DMZs.
• Implemented Access lists and policy mapping on Juniper router installed in each branch across all the states.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1
• Migrated previous corporate Checkpoint 4.0 Firewall-1/VPN-1 on Windows NT
• Serve as part of a team of network engineers responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA 5500 Firewalls.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability
• Troubleshoot the Network Issues onsite and remotely depending on the severity of the issues.
• Performed Break Fix support through driving to different buildings, identifying the root cause of the hardware issues with switches, routers.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.

Senior Network Engineer

RESPONSIBILITIES:

• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Monitoring the network traffic with the help of Qradar and Cisco IPS event viewer.
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls and their implementation.
• Managing and implementation of PORs (port open requests) based on the requirements of various departments and business lines.
• Implementing and troubleshooting (on-call) IPsec VPNs for various business lines and making sure everything is in place.
• Experienced with Juniper: EX-2200, EX-4200, EX-4500, MX-480, MSeries, SRX210, and SRX240.
• Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Troubleshooting the Juniper SRX100 and 110 series, Juniper Netscreen routers with Site-Site VPN, and firewalls for Confidential Retail sites.
• Configured VPC, FEX and VDC’s on Nexus 5K, 7K.
• Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and setup third party servers, network devices in Data Center environment.
• And trunks, Spanning Tree protocol, Port-Security, VLAN-MAPs and DOT1X for Switches and Wireless.
• Worked on ASA 5510/5520 firewallsconfiguration and Implementation for the network.
• Design, implementation and operational support of routing/switching protocols in complex environments including BGP, OSPF, EIGRP, Spanning Tree, 802.1q, etc.
• Building the VPN tunnel and VPN encryption.
• Configuring RIP, OSPF and Static routing on Juniper M and MX series Routers
• Migration from Checkpoint firewall cluster to Cisco ASA 5580 firewalls in a failover pair configuration.
• Network redesign and configuration WAN and LAN infrastructure utilizing redundant Cisco ASA firewalls, Cisco switches and routers over MPLS and VPN connectivity.
• Responsible for implementing, engineering, supporting existing network technologies / services & integration of new network technologies / services.
• 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.
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF.
• Configured and managed Cisco access layer routers and switches.
• Configured subnets, access lists, route reflectors and route redistribution.
• Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design.
• Supported multi area OSPF implementations.
• Involved in configuration of OSPF Summarization.
• Configured ether channels, trunks, vlans, HSRP in a LAN environment.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Maintenance and Troubleshooting of connectivity problems using PING, Trace route.
• Responsible for performing administration on BGP, OSPF & EIGRP routing protocols.
• Implemented route redistribution between OSPF and EIGRP.

Network Engineer

RESPONSIBILITIES:

• Provided technical assistance in upgrading IOS on Cisco Routers and Switches.
• Racking, stacking, and cabling network-based, IT systems.
• Configuration of Access List ACL (Std., Ext, Named) to allow users all over the company to access different applications and blocking others.
• Data center to new Juniper M120.
• Perform routine network maintenance checks as well as configure and manage printers, copiers, and other miscellaneous network equipment.
• Configuring of IP Allocation and sub netting for all applications and servers and other needs throughout company.
• Troubleshoot the issues related to routing protocols.
• Installing operating systems, software and hardware on computers.
• Configure rip, OSPF and Static routing on Juniper M and MX series Routers.
• Responsible for Data Backup, System Update, Recovery and Restore, and Spyware removal.
• Assisting Junior and Senior Engineers, on-site management of cable-wiring technicians.
• Troubleshoot problems on a day to day basis and documented every issue to share it with design teams.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Coordinated efforts with Engineer’s to ensure all network devices conformed to defined network standards.
• Configured various Routing protocols such as RIP, OSPF, EIGRP, static routing.
• Maintaining Core Switches, creating VLANs and configuring VTP.
• Optimized performance of the WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Performed redistribution with OSPF, EIGRP, RIP version 1 and 2 to enable communication with backbone.
• Troubleshooting of Cisco 2900, 3900, 6500, 7500, 7200 Series routers.
• Configured static NAT, dynamic NAT, dynamic NAT overloading.
• Back up a Cisco IOS to a TFTP server and Upgraded and restored a Cisco IOS from TFTP server.
• In-depth expertise in the implementation, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Responsible for designing, implementing and troubleshooting temporary infrastructures for Live Webcasting Events
• Involved in F5 BIG IP LTM administration, familiar with enterprise level traffic managers like 6800, 3600, 1600,3400 series
• Knowledge on VOIP protocols like H.323, RTP, SIP and good understanding about VOIP devices.
• Packet capturing, troubleshooting on network problems with Wireshark, identifying and fixing problems
• Performing network monitoring, providing analysis using various tools like WireShark, Solarwinds etc.
• Implementation and configuration of F5 Big-IP LTM-6400 load balancers
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience
• Responsible for Cisco ASA firewall administration across our global networks.
• Adding and removing checkpoint firewall policies based on the requirements of various project requirements.
• Migration from Checkpoint firewall cluster to Cisco ASA 5580 firewalls in a failover pair configuration.

Network Engineer

RESPONSIBILITIES:

• Responsible for LAN and internet connection file and print server.
• Maintained and installed new internet connections for customers.
• Configured all devices for remote sites/plants, vendors and added new equipment to RADIUS and worked with MPLS-VPN and TACACS configurations.
• Network Securities with Juniper SRX firewalls.
• Implemented ISL and 802.1Q for communicating through VTP.
• Working with Client teams to find out requirements for their Network Requirements.
• Worked on Juniper MX240 and MX480
• Created load balancing policies using BGP attributes such as Local Preference, AS-Path, MED, Community etc.
• Validate existing infrastructure and recommend new network designs.
• Created scripts to monitor CPU/Memory on various low end routers in the network.
• Installed and maintained local printer as well as network printers.
• Handled installation of Windows NT Server and Windows NT Workstations.
• Handled Tech Support as it relates to LAN & WAN systems
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Real time monitoring and network management using Cisco Works LMS.
• Provided technical support on hardware and software related issues to remote production sites.

Network Engineer

RESPONSIBILITIES:

• Worked on engine 3 line cards such as E3 16 port OC3, E3 OC48c and Channelized E3OC48.
• Engaged Network Operations on troubleshooting and rootcauseanalysis on Minor, Major network problems
• Implemented BGP capabilities like ORF, Route refresh and Extended communities, for various customers.
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.
• Worked on project that provides enterprise security and remote accessibility. These include functional testing, product deployment and system maintenance.
• Administration of the corporate firewall as well as site to site VPN and mobile VPN tunnels.
• Configuration and deployment of authentication services that interact with the corporate firewall and VPN.