BACKGROUND SUMMARY:

• CCNP, CCNA Certified, Network Engineer with 8+ years of experience in network design, network integration, deployment and troubleshooting.
• Extensive experience in complete LAN, WAN development includes IP address planning, designing, installation, configuration, testing and maintenance.
• Involved in Switching Technology Administration including creating and managing VLANS's, Port security, Trunking, STP, Inter Vlan routing, LAN security etc.
• Implemented with Cisco Layer3 switches like 3750, 4500, 6500 in multi VLAN environment with the use of inter - VLAN routing, HSRP, ISL trunk and ether channel.
• Implemented the necessary changes such as adding, moving and changing as per the requirements in a data center environment.
• Worked for a data center deployment involving conversion from Cisco 6500 to Nexus. 
• Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018 
• Experience with configuring FCOE using Cisco nexus 5548 & Nexus 2000 Fabric Extender (FEX).
• Configured & managed/Monitored around 500+ Network & Security Devices that includes Juniper SRX Firewalls, F5 BigIP Load balancers and Nexus Devices.
• Troubleshooting complex networks layer 1, 2to layer 3 (routing with MPLS, BGP, EIGRP, OSPF protocols) technical issues.
• Commissioning and Decommissioning of the MPLS circuits for multiple field offices.
• Role included ensuring Network, system and data availability and integrity through preventive maintenance and upgrades. 
• Monitored network for optimum traffic distribution and load balancing using Solarwinds. 
• Validate existing infrastructure and recommend new network designs.
• Provided 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. 
• Upgraded fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550. 
• Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site
• Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.
• Responsible for service request tickets generated by the helpdesk in all phases - troubleshooting, maintenance, upgrades, patches and fixes with over all technical support.
• Have setup secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.
• Monitor performance of network and servers to identify potential problems and bottleneck.

TECHNICAL SKILLS:

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, LWAPs

WAN Technologies: HDLC, PPP, Frame Relay, Channelized links (E1/T1/E2/T2)

Switching Technologies: VLANs, Inter VLAN routing and Port Channels, VTP, Spanning Tree Protocols like PVST+, RSTP+, Multi-Layer Switching, Port security, VSS, CEF and DCEF

Switches: Nexus 5548, 5596, 6000, 7009, 7018;

Cisco Catalyst: 6506, 6509, 4928, 4948, 4507, 4510, 3750, 3560, and 2960

NEXUS Features: VDC, VPC, VRF, FEX, F & M Series line cards

Routing Protocols: OSPF, EIGRP, BGP, RIP v1/v2, PBR, Route redistribution, Route filtering, Summarization, Static route

Routers: Cisco routers: 7606, 7609, 3845, 3660, 2921, 2691, 1812

Network Security: Cisco ASA 5520/5550 and PIX 525Firewalls, ACL, IPsec, IDS

Load Balancers: F5 Network (Big-IP) LTM 8900 and 6400

Redundancy Protocols: HSRP, GLBP, VRRPVPN

Technologies: GRE Tunneling, Remote Access VPN, Site-to-Site VPN

PROFESSIONAL EXPERIENCE:

Confidential, Lansing, MI

Sr. Network Engineer

Responsibilities:

• Configured HSRP between VLANs, Configuring Ether-Channels, and Port Channel on 6500 catalyst 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. 
• Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client. 
• Configured and deployed VDC and VPC between Nexus 7018 and Nexus5596, 5548 switches along with FEX2248. Have a good understanding of Fabric Path.
• As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like FEX Links, VPC and VDC.
• Involved in the troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP.
• Configured and deployed Cisco Catalyst6506, 4948E, 4510 switches and Cisco 3660, 3845, and 7609 series routers.
• Deployed VSS on Cisco Catalyst 6509 switches and provided post-deployment support for issues.
• Implemented firewall policies on Cisco ASA.
• Applied ACLs for Internet access to the servers using Cisco 5550ASA firewall and performed NAT. Performed RIP & OSPF routing protocol administration.
• Interacted with support services to reduce the downtime on leased lines.
• Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.
• Implemented traffic engineering over an existing MPLS (Multiprotocol Label Switching) network using Frame Relay and OSPF (Open Shortest Path First).
• Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
• Having good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Implemented 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.
• Operational monitoring experience of equipment capacity/utilization and evaluate the need for upgrades; developed methods for data gathering needed for monitoring hardware, software, and communications networks performance.
• Monitoring Network infrastructure using SNMP tools, OPnet, NetSight and Solar-winds.
• Troubleshooting and repair of local area network outages using Telnet, Sniffer, Ping, Trace Route and CLI.

Confidential, Lincolnshire, IL

Sr. Network Engineer

Responsibilities:

• Designed and implemented Cisco 7500, 7200, 6500, 3600, 2600 Series routers in lab environment to reproduce various issues and test fixes for them.
• Supported various LAN environments consisting of Cisco 6500 switches with Sup-720.
• Responsible for level 2 support of existing network technologies /services& integration of new network technologies/services.
• Troubleshooting complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF.
• Involved in migration from Legacy Catalyst 6509 with SUP-720, Catalyst 4507 with SUP-6 to Nexus 7k with SUP-2E as part of the data center refresh.
• Supported in giving access to the User machines and partners exterior to the network using IPsec VPN tunneling and SSL.
• Planned and implemented network designs, including WAN, LAN, MPLS.
• Responsible for simulating network operations with the usage of packet analyzer like Wire shark, and use to resolve tickets whenever there is an issue.
• Had experience in configuring and implementing Prefix-lists, Route-maps, and Ether-channels.
• Configured VSS on Cisco Catalyst 6509 switches in order to have redundancy.
• Configured Access-lists, Distribution-lists, Offset-lists and Route Redistribution.
• Involved in configuration of OSPF Summarization (Summarizing internal and external routes).
• Worked on T1/E1/T3 technologies and different LAN & WAN technologies.
• Supported multi area OSPF implementations.
• Performed Security operations in terms of pushing new policies and deploying new rules.
• Performed security troubleshooting in terms of checking ACLs and ACEs and traffic flow analysis using packet capture features.
• Performed load balancing and application level redundancy by deploying F5 BIG-IP LTM 3900.
• Involved in the configuration and maintenance of IPsec Site-Site VPN.
• Involved in the activity of DATA-Center migration of Cisco catalyst series 4500, 6500 switches with the new Nexus2148, 2224T, 5548, 6018, 7010 using F3/M3 line-cards with 10GE & 40GE interfaces and Supervisor 2E.

Confidential, Lincolnshire, IL

Network Engineer

Responsibilities:

• Responsible for monitoring the Network performance based on company’s Service Level Agreement (SLA).
• Documented the company’s design, implementation and troubleshooting procedures.
• Configured VLANs with 802.1Q, Tagging according to the Server team’s requirements.
• Tested the new zone for failover capabilities and redundancy.
• Connected the Distribution routers to the Core routers via OSPF Areas.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Performed IOS upgrades on various catalyst series switches and maintained latest IOS versions according to company’s policy.
• Responsible for cabling and labeling based on day to day requirement.
• Racking & Stacking of various network equipment and made sure that there are no connectivity issues using Ping and Tracert.
• Resolving all computer related problems, such as troubleshooting operating system failure, scheduling and updating virus checks on servers and desktops.
• Business & Home Networks with Cisco, Microsoft and all local area networks (home & office).
• TCP/IP 4 & 6. QoS and Security ACL’s. i.e. Priority for Video Streaming.
• Responsible for the relocation and installation, configuration of network devices such as routers, switches, pc’s.
• Configuration of OSPF,RIPV1, RIPV2, EIGRP,BGP routing protocols in Cisco system environment
• Cisco router and switching configuration and installation using OSPF, EIGRP, RIPV2, BGP, IBGP, HSRP Routing protocols.
• Subnetting for network separation and load balancing, Cat5 cabling.
• Windows server 2003, 2008 new users & computers OU, DNS, DHCP, GPO, and SCCM 2007 package deployment.
• Provided Helpdesk support that involved identifying and escalating the tickets to specific groups.
• Work closely with field technicians, vendors, helpdesks, Network Administrators and Network Engineers via the phone and Email to resolve network and system troubles
• Configure, updated and setup VPN connections, NT password and provide customer service and software support via ACD.
• Have thorough knowledge of all applicable products, operating systems and MS applications (Windows 9x/NT/2000/2003/XP; DOS operating systems; MS Access
• Provided remote technical support for SunTrust's 2100 Branches during "Network Enhancement Project.
• Monitor (Layer 1 Physical) circuit cut over from existing DS1 to Verizon Business PIP.
• Configure Cisco 2500, 2600 and 2800 routers with new bandwidth.
• Troubleshoot Connectivity and Network errors within a 30 min. maintenance window using Ping, Telnet (Ethernet) and Dial up (Serial).
• Work closely with vendors, clients and project team, using the escalation process.
• Ensuring that BGP routing protocol is configured correctly and is active and update Project Status Reports.

Confidential

Network Engineer

Responsibilities:

• Designed and deployed LANs, WANs, and wireless networks, including servers, routers, hubs, switches, and other hardware.
• Over saw new and existing equipments, hardware, and software Upgradation.
• Interacted and negotiated with vendors, outsourcers, and contractors to secure network products and Services.
• Experienced in implementation and troubleshooting knowledge of protocols and technologies, especially in the following: BGP4, OSPF, IPv4, and Ethernet.
• Configured Ether channels, Trunks, Vlans, HSRP in a LAN environment.
• Responsible for performing administration on BGP, OSPF routing protocols.
• Used various BGP Attributes and various Route-filters such as named Access-lists, Prefix lists, Route-maps to permit or deny routes and to change various attribute
• Implemented route redistribution between OSPF and EIGRP.
• Scalability of OSPF by Filtering of Intra, Inter and External OSPF routes
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Cisco router and switching configuration and installation using OSPF, EIGRP, RIPV2, BGP, IGRP, HSRP routing protocols.
• Coraid Ether drive SAN storage & Freenas NAS storage.
• Windows servers 2003, 2008, 2012 new users & computers setup OU, DHCP, GPO, DNS, failover clustering configuration, SCCM 2007 package deployment.
• Installed and upgraded Cisco 3550 Switches and Cisco Aironet 1200.
• Troubleshot jacks/wiring, rectified fiber and copper issues for MDF/IDF connectivity.
• Configured Cisco Aironet 1200 Access Points using the Cisco Wireless LAN Solution Engine.
• Administered remote Windows 2003 Server installations and configuration, on Command CCM
• Performed call routing, after-hours escalations, administrative functions, such as planning, coordination, and the use of time management skills.
• Configured networks and ensured their smooth and reliable operations for fulfilling objectives and processes.
• Monitored network performance and troubleshot problem areas as needed.
• Over saw installation, configuration, maintenance, and troubleshooting of end user workstation hardware, software, and peripheral devices.

Confidential  

Jr. Network Engineer

Responsibilities:

• Good Understanding of TCP/IP, Routing protocols, Load balancing concepts.
• Knowledge & experience on iBGP & eBGP routing protocols.
• Knowledge in routing that includes static and dynamic routing protocols (EIGRP/OSPF/BGP).
• Good Knowledge and hands on experience on F5 LTM/GTM and A10 load balancers.
• Knowledge and experience in VTP and other switching technologies.
• Routing protocol use EIGRP, OSFP, Static, Static Routes.
• Perform upgrades to Cisco Switches from 5000, 6500. Manage Help desk staff on day to day activate.
• 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.
• Helped in designing and implementation of VLAN for the new users. Network Protocol Expert in DNS/DHCP & IP Management application support.
• Ensured networks connectivity of all servers, workstations, telephony equipment and other network appliances.
• Hands-on Experience in network incident management.
• Install, configure, and maintain Ubuntu and Centos OS.
• Troubleshooting malfunctions of network hardware and software applications, and security systems to resolve operational issues and restore services.
• Ensure all network design documentation is updated in the systems.