SUMMARY:

• 7 plus years of experience in routing, switching, firewall technologies, systems design, and administration and troubleshooting.
• In - depth knowledge of deploying and troubleshooting LAN, WAN, Frame-Relay, Ether-channel, IP Routing Protocols - (RIPV2, OSPF, EIGRP & BGP), ACL's, NAT, VLAN, STP, VTP, HSRP & GLBP.
• Worked in OSI model, TCP/IP, UDP, IP addressing and Sub netting.
• Strong hands on experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2K series, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches
• Strong hands on experience on Cisco ASA, CheckPoint and Palo Alto firewall.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP), Quality of Service (QOS).
• Experience with Firewall Administration, Rule Analysis, Modification and Implementation.
• Implemented security policies using ACL & MPF, IPSEC - SSL VPN, IPS/IDS, AAA(TACACS+ & RADIUS)
• Worked extensively on ASA 55xx series firewall with code 8.2 and 9.1 and migration of environment to higher code.
• Experience working with Nexus 7K, 5K, 2K, Cisco UCS and Cisco 1000v’s.
• Experience in iSCSI SAN, NAS, NFS storage and RAID (0, 1, 10, 01, and 5) concepts.
• Knowledge of monitoring tools like (SolarWinds, Netscout, Qradar) network packet capture tools like Wireshark.
• Provided 24x7 availability and on-call support as required.
• Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.
• Excellent working knowledge of TCP/IP protocol suite and OSI layers
• Good knowledge and experience in Installation, Configuration and Administration of Windows Servers 2000/2003, Active Directory, FTP, DNS, DHCP, TFTP, Linux OS under various LAN and WAN environments
• Effective inter-personal skills, adaptive to any environment, keep abreast with the latest technologies and delivering solutions as an individual and as part of a team

TECHNICAL SKILLS:

Cisco & other vendor equipments: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600, 7200, 3800, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 2900 series). ASA Firewall (5545/5540/5585 ), Cisco ACE Load Balancers

Routing Protocols: EIGRP, OSPF, IS-IS, BGP, HSRP, VRRP & GLBP

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

LAN technologies: Ethernet, Fast Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN technologies: Frame Relay, ISDN, ATM, MPLS, DS1, DS3, OC3, T1 /T3 & SONET

Network Security: VPN Configuration, Internet Content Filtering, Load Balancing, IDS/IPS, URL Filtering - Web-sense, Syslog Server Logging, SSL, IPSEC, IKE, Static, Dynamic, Network

Management: SNMP, Solar winds

Platforms: Cisco IOS, CAT-OS UNIX, LINUX, Windows XP, NT, 2000, 2003

Programming: C, C++, HTML

Documentation: MS WORD/EXCEL/POWERPOINT/VISIO

PROFESSIONAL EXPERIENCE:

Confidential, Woonsocket, RI

Sr. Network Engineer

Responsibilities:

• Designed, validated and implemented LAN, WLAN & WAN solution to suite client’s needs.
• Created engineering configuration, Security Standards, documenting processes and Network documentation using Microsoft Visio.
• Experience working with Converting OSPF to BGP as the WAN protocol.
• Network Redesign for branches/Campus Locations. This includes changes to both the voice and data environment.
• Experience working with converting Cisco IOS to Cisco IOS XR. I also worked with ASR 9000 with IOS XR.
• Experience working to replace WAN routers as a part of End of Life Project.
• Experience converting from Cisco 6500 WAN router to ASR 1002, 1004 with Gigabit and OC3 modules for different campus designs
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210.
• Working with Cisco for opening TAC Case and resolving to project deadlines.
• Perform network configuration, documentation, and enforcement, congestion improvement and optimization
• Collaborate with Access, Transport, and Data Engineers to determine affective solution and design for network changes.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• 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.
• Converting Cisco IOS to Cisco IOS XR configurations.
• Configuring Virtual Device Context in Nexus 7010 and configuring multiple route reflectors within a cluster.
• Working on a broad range of topics such as routing and switching, planning and implementation, change management coordination, disaster recovery exercise and core network repairs.
• Environments for Cisco Routers and Switches and Also later convert these sites from Point to point links to MPLS Links.
• Experience with Designing, Implementing and Troubleshooting Cisco Routers and Switches using different routing protocols like RIP, OSPF, EIGRP, BGP, ISIS & MPLS L3 VPN, VRF.
• Configured Cisco 2960, 3750, 3750, 4500 switches, and Juniper MX960
• Experience with working on Cisco switches like 2960, 3750, 4500, 6500.
• Experience with working on Juniper Routers like, M320 and MX80, MX960, MX480.. Experience with working on juniper switches like EX2200, EX2500.
• Extensively implemented VSS along with VDC and VPC on Nexus 5505, 7009 switches, also worked with Nexus 2248, 5548 and 7010, 9500 switches.
• Installation & configuration of Microsoft Proxy Server 2.0 and Inflobox DNS, DNCP and IP Address Management.

Environment: Cisco routers (7k, 3k, 2k) and Cisco switches (6k, 4k, 3k, 2k), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Juniper

Confidential, San Jose, CA

Network Engineer

Responsibilities:

• Provided active support for defining policies and configuring Palo Alto PA-5020.
• Experience with design and implementation of Data center migration which involved in Access, Distribution and Core layers.
• Primary responsibility is to design and deploy various network security & High Availability in Checkpoint Firewall.
• Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations
• Installation and Configuration of Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design Document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Involved in migrating VPN tunnel with 12 vendors as a part of upgrading old firewall devices.
• Successfully planned and installed network equipment’s for migration of a lab of servers in a main data center with minimal impact to application availability.
• Configured IPSec site-to-site VPN connection between Cisco VPN 3000 Concentrator and Cisco 3800
• Worked on Projects like Setting up New Branch locations, Projects like changing routing of the location(EIGRP to OSPF), projects like adding new switches/routers to the network
• Upgrading the IOS on the ASA and also have done IOS upgrades on Cisco routers and switches
• Hands on Experience testing iRules using Browser(IE), HTTP watch
• Responsible for Cisco ASA firewall administration across our global networks
• Support customer with the configuration and maintenance of PIX and ASA firewall systems
• Projects like adding firewall rules, NAT, security contexts, Failover, Object groups, IP sec VPN between ASA firewalls.

Environment: Router series (2800, 3800, 7200) and switch series (3750, 3550, 4509E, 6509E), ASA (5540, 5585) firewall, VLAN, HTTP, OSPF, EIGRP, BGP

Confidential, Blooming IL

Network Engineer

Responsibilities:

• Implementation of HSRP, DHCP, DNS, FTP, TFTP
• Involved in Configuring and implementing of Composite Network models consists of Cisco7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN, Remote VPN.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Configured networks using routing protocols such as RIP, OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand Infrastructure.
• Experience in configuring and troubleshooting OSPF, EIGRP, RIP, BGP routing protocols.
• Configuring, Installing and troubleshooting on Check Point Devices.
• Cisco Secure Access Control Server for Windows to authenticate users that connects to a VPN 3000 Concentrator.
• Implemented Hot Standby Router Protocol (HSRP) by tuning parameters like preemption.
• Implemented various OSPF scenarios on networks consisting of 7600 routers.
• Configured policy based routing for BGP for complex network systems.
• Migrating Cisco PIX to Cisco ASA.
• 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.
• Configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the customer’s Site.
• Experience in configuring Router using Cisco Configuration professional.

Environment: Cisco Routers/Switches, ASR, VPN, RIP, OSPF, BGP

Confidential, India

Network Admin

Responsibilities:

• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• 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
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Identifies, troubleshoots and resolves hardware, software and network-related problems encountered by end-users of the network.
• Implemented the concept of Route Redistribution between different routing protocols
• Switching related tasks included implementing VLANS, VTP, STP and configuring on Fast Ethernet channel between switches
• Routing protocols OSPF, RIP & BGP
• Configured BGP for CE to PE route advertisement inside the lab environment
• Managed network connectivity and network security, between Head offices and Branch office
• Responsible for Internal and external accounts and, managing LAN/WAN and checking for Security Settings of the networking devices (Cisco Router, switches) co-coordinating with the system/Network administrator during any major changes and implementation
• Creating Private VLANs & preventing VLAN hopping attacks & mitigating spoofing with snooping & IP source guard
• Other responsibilities included documentation and change control
• Worked on Cisco routers and Cisco switches

Environment: Cisco Router/Switches, Cisco PIX, Routing Protocols, Switching protocols, Firewall