SUMMARY

• Around eight years of professional experience in Network engineering with Cisco Certified Network Engineer, performing Network analysis, design, Implementing, capacity planning with a focus on performance tuning and support of large Networks. Strong knowledge in Cisco Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.
• Experience working on Cisco Catalyst Series3750, 4500, 4900, 6500; Nexus 2000, 5000, 6000 and 7000 series switches.
• Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.
• Experience in layer - 3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches.
• Knowledge of Network troubleshooting, Organization, Network planning, Maintenance, Monitoring protocols and software.
• Knowledge of Networking Switches, Routers, QOS, BGP, OSPF, ATM, PPP, Ethernet, Wi-Fi and Multicasting.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyses results and implement and delivering solutions as an individual and as part of a team..
• Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA
• Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550).
• Responsible for Juniper and Cisco ASA firewall administration across global networks.
• Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• In-depth knowledge on Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS.
• Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series
• Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP
• Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T-series)
• Implementing security policies using Cryptography, ACL, ASDM, IPsec, VPN, and AAA Security on different series of routers.
• Experience with F5 load balancers andCiscoload balancers (ACE and GSS).
• Basic and advance F5 load balancer configurations, including migrating configurations fromCiscoACEto F5 and general troubleshooting of the F5 load balancers.
• Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.
• Experience with different Network Management Tools and Sniffers like Wireshark (ethereal), HP-Open view, RSA envision, and Cisco works to support 24 x 7 Network Operation Center.
• ConfigureVRRP & GLBP andVLANTrunking802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.
• Knowledge of JUNOS platform and worked with JUNOS upgrade of Juniper devices.

TECHNICAL SKILLS

Cisco Platforms: Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), CSR/ASR, IOS-XR

Juniper Platforms: SRX, MX, EX Series Routers and Switches

Networking Concepts: Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPsec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall: ASA Firewall (5505/5510),Checkpoint, Cisco ASA

Network Tools: Solar Winds, SNMP, Cisco Works, Wireshark

Load Balancers: Cisco CSM, F5 Networks (Big-IP)

WAN technologies: Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1,DS3,OC3, T1 /T3 & SONET

LAN technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

Security Protocols: IKE, IPSEC, SSL-VPN

Networking Protocols: RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA

Languages: Perl, C, C++,Python, SQL, HTML/DHTML

Operating System: Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

PROFESSIONAL EXPERIENCE

Confidential, Detroit, MI

Sr. Network Engineer

Responsibilities:

• Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches (6509E, 4507, 4500-X, 4900M, 3850, 3650, 2960) to perform functions at the Access, Distribution, and Core layers.
• Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.
• Installation and deployment of new class 9X and class 10 Server farms in multiple silos.
• Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.
• Working with wireless technologies troubleshooting and configuration.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.
• Configuring multiple route reflectors within a cluster.
• Working on HP open view map for Network Management System and Ticketing.
• Design, Installation and consolidation of local server farms in multiple branch locations with Cisco 4500-X at distribution and 4948’s replacing the 3750’s at access level.
• Worked as a part of data center deployment where we converted from Cisco 6500 to Nexus.
• Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.
• Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.
• Work with Engineering on Server Farm refresh project on consolidation and increasing the bandwidth on Server Access silos.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms
• Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.
• Establishing VPN Tunnels using IPsec encryption standards and also configuring and implementing site-to-site VPN.
• Working on HP open view map for Network Management System and Ticketing.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections
• Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.
• Working with Juniper JUNOS on M and MX series routers.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• 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, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.
• Providing Level 3 support to customers, resolving issues by attending to conference calls.
• Configuring multiple route reflectors within a cluster.
• Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.

Environment: Cisco 2948/3560/4500/3560/ 3750/3550/3500/ switches and Cisco 3640/12000/7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Checkpoint, windows server 2003/2008: F5 BIGIP LTM,RIP,OSPF,BGP,EIGRP,LAN,WAN,VPN,HSRP

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces
• Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)
• Excellent Troubleshooting Skills and Customer Centric approach.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches
• Troubleshooting of Network Connectivity, and configured WIFI, and remote Access Problems.
• 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 BGP, MPLS in Cisco IOS XR.
• Configuring Virtual Device Context in Nexus 7010.
• Configuring multiple route reflectors within a cluster.
• 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.
• Working with BGP, OSPF protocols in MPLS Cloud.
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• 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.
• Working on HP open view map for Network Management System and Ticketing
• Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity.
• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Configuring, upgrading and verifying the NX-OS.
• Basic and advanced F5 load balancer configurations, general troubleshooting of the F5 load balancers.
• 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 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510,Checkpoint, windows server 2003/2008: F5 BIGIP, LTM, OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint, Juniper SRX

Confidential, Oswego, NY

Sr. Network Engineer

Responsibilities:

• 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.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network
• Assisted in troubleshooting LAN connectivity and hardware issues in the network of 500 hosts.
• Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Created a backup and recovery policy for software application and verified peripherals are working properly.
• 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.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Responsible for implementing QOS parameter on switching configuration.
• Involved in Design and Implementation of complex networks related to extranet clients.
• Troubleshooting the Network Routing protocols (BGP, EIGRP and OSPF) during the Migrations and new client connections.
• Manage operational monitoring of equipment capacity/utilization and evaluate the need for upgrades; develop methods for gathering data needed to monitor hardware, software, and communications network performance.
• Monitor performance of network and servers to identify potential problems and bottleneck.
• Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
• 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.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• 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
• Worked towards the key areas of the project to meet SLA’s and to ensure business continuity. Involved in meetings with engineering teams to prepare the configurations according to the requirement.
• Creating change tickets according to the scheduled network changes and implementing the changes.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint,F5 Load Balancer Cisco Nexus7K/5K,Checkpoint,Cisco ASA

Confidential

Network Engineer

Responsibilities:

• Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.
• Commissioning and Decommissioning of the MPLS circuits for various field offices.
• Preparing feasibility report for various upgrades and installations.
• Ensure Network, system and data availability and integrity through preventive maintenance and upgrade
• Monitored network for optimum traffic distribution and load balancing using Solar winds.
• Troubleshooting complex networks layer 1, 2to layer 3 (routing with MPLS, BGP, EIGRP, OSPF protocols) technical issues.
• Providing support to networks containing more than 2000 Cisco devices.
• Performing troubleshooting for IOS related bugs by analyzing past history and related notes.
• Carrying out documentation for tracking network issue symptoms and large scale technical escalations.
• Created scripts to monitor CPU/Memory on various low end routers in the network.
• Configuring and troubleshooting multi-customer network environment.
• Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.
• Worked on the security levels with RADIUS, TACACS+.
• Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.
• Configured switches with port security and 802.1 xs for enhancing customer’s security.
• Validate existing infrastructure and recommend new network designs.
• Involved in network monitoring, alarm notification and acknowledgement.
• Implementing new/changing existing data networks for various projects as per the requirement.
• Installed and maintained local printer as well as network printers.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)
• Handled installation of Windows NT Server and Windows NT Workstations.
• Identify, design and implement flexible, responsive, and secure technology services
• Handled Tech Support as it relates to LAN & WAN systems

Confidential

Network Engineer

Responsibilities:

• 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.
• Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst.
• Excellent Troubleshooting Skills and Customer Centric approach.
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Implemented Cisco Wireless Access Points and WLC’s at various corporate sites fort 11n Infrastructure and its legacy technologies.
• Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.
• Experience in working with Cisco Nexus 5000 series switches for data center.
• Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels.
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.
• Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).
• Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.
• Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.
• Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.
• Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.
• Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, Power supply unit, Network card, Video graphics card, Hard disk controller card on PC systems.
• Troubleshooting of personal computers. On line Support to customers concerning their computer problems.
• Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.
• 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.
• Configuring Vlan’s, VTP’s, enabling trunks between switches.