SUMMARY

• 7 years of experience in Network Implementation, Configuration, Trouble Shooting and maintaining Enterprise Networks by working with multiple vendor Routers, Switches and security using Cisco devices in large network infrastructure environment.
• Extensive experience in configuring and troubleshooting routing protocols like RIP, EIGRP, OSPF and BGP .
• In - depth knowledge of Protocol Stack and OSI layers and worked extensively in network layer protocols and TCP/IP.
• Experience in implementation, configuration & troubleshooting of Ether-channel, STP, RSTP, HSRP, VLAN, VTP and Access Control Lists (ACL).
• Extensive hands-on experience on LAN and WAN networks, Cisco routers, switches, FWSM, ASA and PIX firewall deployment.
• Experience working with Cisco Nexus2148 Fabric Extender and Nexus5000 series to provide a Flexible Access Solution for a datacenter access architecture.
• Thorough knowledge of configuring dynamic access policies, multi contexts in ASA’s maintaining remote access VPN and building Site-to-Site tunnels.
• Expertise in configuration of Cisco Catalyst Switches of 1900, 2900, 3550,3750,4500,6500, Cisco Routers of 1800,2500,2600,2800,3600,3800,7200, IP addressing..
• In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 Sonet POS OCX / GigE circuits, Firewalls.
• Worked extensively in Configuring, Monitoring and Troubleshooting Palo Alto, Cisco's ASA 5500/PIX security appliance, Failover DMZ zoning & configuring VLANs/routing/NATing with the firewalls as per the design.
• Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4.
• Primary responsibility is to design and deploy various network security & High Availability products lick Cisco ASA other security products.
• Responsible for Check Point and Cisco ASA firewall administration across global networks.
• Installation, administration, migration and support of Windows NT4.0, Windows 2000, 2003, 2008 and 2012, Win 7/ W2K Professional/Home, Windows 98, Windows XP, Active directory
• Experience in installing and maintaining inventory of Computers hardware, software and licenses.
• Experience in technical documentation with change management.
• Hands on experience in using various Network Monitoring and Packet Sniffing tools.
• Strong interpersonal, organizational communication, customer service & presentation skills.
• Excellent customer management/resolution, problem solving and debugging skills with good verbal/written communications and presentation skills.
• Member of IEEE.
• Excellent knowledge and experience on multi-vendor platforms like Cisco, Juniper, Checkpoint, F5 Big-ip LTM load balancers, Bluecoat, Riverbed, Citrix, and VMware.

TECHNICAL SKILLS

Hardware: Cisco Routers 1800, 2500, 2600, 2800, 3600, 3800, 7200, ASR 1000 series. Cisco Switches 2900, 3500, 4000, 4500, 5000, 6500.

Routing: BGP, OSPF, EIGRP, IGRP, RIPv2, BGPv4, MP-BGP, Static Routing, Redistribution, Route Summarization

Switching: Ether-channel, STP, RSTP, VTP, VLANs.

Firewalls: Juniper, ASA(5510,5520,5540,5550,5585), FWSM, PIX(515,525,535), Checkpoint NGX R-55,R-60,R-65.

Redundancy: HSRP, VRRP, RPR, NSF/NSR.

Security: ACLs, NAT, PAT, VLAN, Cisco FWSM/PIX/ASDM/ASA, Palo Alto.

Various Features & Services: TCP/IP, IP Sec VPN, LAN, WAN, IP Subnetting, VLSM, VLAN, Inter-VLAN Routing, Frame-Relay, PPP, HDLC, DHCP, DNS, ICMP, UDP, SNMP.

Operating Systems: CISCO IOS, CAT OS, Linux

Network Tools: Wireshark, Network Time Machine, QIP

Network Simulators: Packet tracer, GNS3

Documentation: MS Word, Excel, Project, PowerPoint, Outlook, Visio

PROFESSIONAL EXPERIENCE

Confidential, Vienna,VA

Network Engineer

Responsibilities:

• Configuring routing protocols BGP, OSPF, EIGRP, RIP
• High availability - HSRP, VRRP, ether channel creation on Cisco, switches and routers.
• Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card(module) for the Nexus 5000.
• Datacenter build and support.
• Datacenter Implementation.
• Responsible for maintaining DMVPN tunnels from Hong Kong and Mexico to two of the Data Centers in US.
• Created dynamic access policies on the ASA’s for the offshore vendors to be able to VPN in and access the resources they needed for their testing purposes.
• Upgraded the code on multiple ASA’s from 8.2 to 8.4 which required a very great deal of configuration changes especially due to the change of syntax for building NAT’s on 8.4.
• Planning, designing and implementation of moving multiple DMZ’s on FWSM’s to ASA’s by creating Multi-Context Environments on the ASA.
• Installing and configuring FWSM and ACE modules on Cisco 6509 distribution switches.
• Planning and designing to in corporate McAfee’s IDS/IPS devices into Lowes network at optimized network locations
• Migrated, created, and managed pools and clusters in F5 BigIP GTM 3DNS load balancers across multiple Datacenters.
• Transitioned as Network Project Manager and participated in kick off meetings, gathered data from stake holders to create Network design template.
• Worked on Network Acceptance to comply with Microsoft design standard and delivered projects in time after quality check.
• Weekly and daily meetings with clients to understand their network requirements discuss these with management and come up with an action plan.
• Quickly resolve all IP network issues to reduce waste and downtime of a Network infrastructure.
• Experience in ordering new modules and SFPs for the devices to support network expansion.
• Helping Tier I engineers in any of the issues related to various aspects and concerns.
• Interacted with different teams - on developing/ implementing the Onsite Offshore model for 24X7 supports.

Confidential, Pittsburgh, PA

Network Engineer

Responsibilities:

• Designed and Implemented Cisco PIX525 and ASA5550 firewall’s interfaces with FTP, DNS, HTTP servers on DMZ with different security levels.
• Responsible for Check Point, Cisco ASA, Palo Alto and Juniper firewall administration across global networks.
• Configured Intrusion detection, logging and reporting of all suspicious activity.
• Designed 10 gigabit networks using Cisco Nexus 7000 series switches, Checkpoint firewall and Cisco 3800 series routers.
• Experience configuring Virtual Device Context in Nexus 7010 in the Data center design and deployment.
• Configuring the Cisco ASA 5510 with inside, outside & DMZ interfaces.
• Installing and Configuring F5 load balancer in failover mode.
• Study the single point failures and design the WAN structure in such a way that there are no failures in the Network in case of any device or link failure.
• Designing and configuring LAN in Cisco 3 tier architecture (Core, Distribution and Access)
• Configuring 2960 switches as the distribution and access switches, the access level switches will be extended from distribution layer.
• Installed and supported UNIX servers at 20+ departments
• Configuring a VPN server on Cisco ASA for the ODC users to work remotely.
• Utilized Sniffer, Observer & Solarwinds Bandwidth for Network Monitoring.
• Provided network connection to the new employees and wireless connection vouchers to visitors.
• Documented firewall changes and request forms to respective vendors.
• Vendor co-ordination for hardware issues and assessment management.
• Ability to handle multiple complex tasks, with tight deadlines concurrently.

Confidential, Westchester, PA

Network Engineer

Responsibilities:

• Installation and Configuration of LAN/ WAN.
• Worked as an operational support engineer for various WAN problems.
• Supporting an enterprise network forDataCenterLAN.
• Led major initiatives, develop roadmaps and standards, and oversee all aspects of the Sicher corporate, mission critical, global international web hosting network covering over 60 countries including over 100 routers, 200 switches, 190 VLANs, 16 pairs of Netscreen (5200,5400), ASA Firewalls Switching Modules (FWSM) and 4 Cisco Content Switching Modules using high-end Cisco Catalyst 6500 switches.
• Performed migration from Cisco PIX 535 to Netscreen 5000 Series as a solution to converged, multifunction security and VPN services within a single platform.
• Implementing fabric path, spine and leaf Data center.
• Experience within a large, Windows & Linux-based Data Center environment.
• Design, configuration and Installation of Cisco routers and catalyst switches.
• Configured NAT and PAT on the Cisco PIX Firewalls for the Internal Systems.
• Routing related tasks included providing Cisco router configuration, providing technical support for Cisco Router configurations and installation for Customer.
• Configuring routing protocols like RIP, EIGRP, OSPF and configured HSRP for first hop redundancy and load balancing.
• Switching related tasks included implementing VLANS and VPC configuring ISL trunk on Fast- Ethernet channel between switches.
• Design, configure and troubleshoot networks using routing protocols such as RIPv2, OSPF, BGP and route distribution and even Configured with F5 Load balancers in Failover for Load balancing and SSL handling.
• Experience in WAN technologies including SONET Ring.
• Physical cabling, IP addressing, Wide Area Network configurations.
• Strongly support on Windows 2003 EE & windows 2000 advance server with SP4.
• Validating the forward & backward DNS lookup zones.
• Collect MAC address on production servers.
• Installation, operation, and maintenance of switching, data communications, and peripheral equipment associated with the CS1000e, CS1000m and Meridian 1 PBXs for Avaya CS1000.

Confidential

Network Support Technician

Responsibilities:

• Planning and Implementation of Subnetting, VLSM to conserve IP addresses.
• IOS upgrade on various routing and switching platforms.
• Installed and maintained Cisco 3620, 3550, 2610 routers and cisco 3550, 3845 switches with HSRP and various IGP routing protocols such as RIP, EIGRP, and OSPF.
• Implemented route redistribution between OSPF and EIGRP.
• Experience with spanning tree and Network architecture design which includes dynamic routing, static routing, VLAN setup, traffic splitting.
• Worked with various Linux/UNIX Distributions like Ubuntu, Red Hat.
• Identified and resolved VLAN, STP and IP subnet issues.
• Configured Access List ACL (Std, Ext, and Named) to allow users all over the company to access different applications, Internet and compliance to the security policy and standards.
• Troubleshoot connectivity problems using Ping, Trace route.
• Documented security requirements, design, and validation and implementation criteria.
• Desktop, Laptop, printer and Network peripheral administration and support.
• Migrated, created, and managed pools and clusters in F5 BigIP GTM 3DNS load balancers across multiple Datacenters.