SUMMARY:

• Cisco Certified Network Engineer with over 8+ years of experience with experience in Networking, Network Planning, Design and Technical Support.
• Comprehensive understanding of networking concepts pertaining to LAN, WAN, IT communication, WAN protocols, Networking devices administration and maintenance.
• Expert Level Knowledge about TCP/IP, Spanning - tree and OSI models.
• Implemented redundancy with HSRP, VRRP, GLBP, Ether channel technology (LACP, PAgP) etc.
• Configured BGP/OSPF routing policies and designs, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Hands on experience in configuring and Deployment of Routers and Switches in network support.
• Extensive experience in configuring and troubleshooting of routing protocols RIP v1/v2, EIGRP, OSPF and BGP.
• Performed IOS upgrades on Catalyst 2900, 3650, 4300 and 6500 series switches.
• Maintained redundancy on Cisco ISR 2800 and 3600 routers with HSRP.
• Worked on Router series such as 2800, 2900, and 4300 and switches such as Cisco 3560, 3550, 2960, 2950, 4500 & 6500.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of STP (Spanning Tree Protocol), PVST, RSTP, VTP, inter VLAN routing, port security, Ether-channel, LACP protocol and ISL/802.1q.
• Password recovery, upgrading of IOS of Cisco devices.
• Knowledge in IPV4, IPV6, RIP, EIGRP, OSPF, BGP, DHCP, DNS, SNMP, RMON, NAT.
• Good knowledge of Tunneling Protocols (IPSEC/GRE).
• In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.
• Strong knowledge of TACACS+, RADIUS implementation in Access Control Network.
• Segregating users into VLANS and configuring trunk links, ether channels, VTP, STP.
• Dealt with monitoring tools like (Solar winds, Cisco prime), network packet capture tools like Wire-shark.
• Experience in designing and planning the large networks.
• Widespread knowledge of Routing, Switching, LAN/WAN, Intrusion Detection System and Prevention System (IDS and IPS), Firewall Management, IPSec and VPN Configuration.
• Provided accurate documentation for network topology, policies, procedures, and change protocol
• Possess strong network troubleshooting and communication skills.
• Fast and enthusiastic learner with excellent problem solving capabilities.

TECHNICAL SKILLS:

Cisco Routers: 2800, 2900, 3600, 4300, Cisco Switches 2900, 3500, 3600, 3750, 4500, 4900, 6500

Nexus: 2000, 5000, 9000

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN Technologies: PPP, HDLS, MPLS, Channelized links

Routing Protocols: EIGRP, OSPF, BGP, Route redistribution, static Routing, Summarization

Switching: VLANs, VTP, STP, RSTP, PVST, MSTP, VDC, VPC, inter-VLAN switching, multicast, Port security, Ether-Channels

Load Balancers: F5 Network (Big-IP) LTM3600, Content Filtering

VPN Technologies: GRE Tunneling, Site-to-Site VPN, SSL VPN

Firewalls: Cisco ASA Firewalls, Juniper SRX Firewall, Check points, SSL, IDS, Access Control, Palo Alto Firewall

Tools: Solar winds, Wireshark, Dashboard

Redundancy Protocols: HSRP, GLBP, VRRP

Servers: Domain servers, FTP servers, DNS servers, Proxy servers, Application servers

Operating Systems: Windows XP/Vista/7/8/10, Nexus OS, Cisco IOS, LINUX

Virtual Technology: VMware, Citrix

Microsoft office: Excel, PowerPoint, Word, Visio

WORK EXPERIENCE:

Confidential, Marshall, MN

Sr. Network Engineer

Responsibilities:

• Maintenance and administration of the access layer devices and Data Center.
• Hands on experience with troubleshooting and configuring terminal servers. Providing Technical Support / solutions for Network Problems.
• Project oriented role in Data Center infrastructure with migration, implementation, deployment and design.
• Experience of implementing SNMP on various devices, allowing for network management.
• Involved in updating IOS images using TFTP and troubleshooting IP addressing issues.
• Design and implementation of LAN/WAN, using Cisco routers and switches.
• Troubleshooting IOS related bugs based on past history and appropriate release notes.
• Performed IOS upgrades on Catalyst 2900, 3500, 4300 series switches and 2600, 3600, 7200 series routers.
• Implementation of Cisco 3560, 3650, 3850 switches and Cisco 3900 and ISR 4300 routers to new sites.
• Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of Ether Channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.
• Worked on radius https authentication issues on Cisco 3560 switches.
• Implemented planned maintenances for hardware replacement or upgrades required for the 4300 Service Router.
• Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per Network Design.
• Creating and managing user accounts to all team members in partner environment.
• Experience in converting WAN routing from EIGRP/OSPF to BGP which also involved converting from point to point circuits to MPLS circuits where OSPF is used for local routing only.
• Coordinating with Security team for NAT configuration and troubleshooting issues related to access lists and DNS/DHCP issues within the LAN network.
• Installation and management of overall administration of LAN, WAN, systems involving design of network layouts, configuration and maintenance, Commissioning Routers & Switches, firewalls, IPS and ensuring maximum uptime during site deployment to VoIP, Maintaining QoS.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), Switch Trunk and IP subnet issues.
• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre-configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Involved in the Data Center migration from Avaya devices to Cisco APIC.
• Deployed RADIUS server to network allowing remote access for local and remote users
• Managed corporate Checkpoint Firewall management, Operation and implementation of security rules and mitigating network attacks.
• Supporting network security devices such as firewalls and proxies with emphasis on remote access technologies such as VPN and Citrix NetScaler.
• Configured BPDU Guard, port-fast, uplink fast and other spanning tree features.
• Configured Site to Site IPsec VPN tunnels to peer with different clients and each of client having different specifications of Phase 1 and Phase 2 policies.
• Established and maintained data center standards and procedures.
• Worked with multiple customers over a period of time to enhance their network, resolve and do the RCA (root cause analysis) for in service production problems and create work around for known IOS issues.
• Performing network monitoring, providing analysis using various tools like Wireshark, Solar winds etc.
• Participate in a rotating 24/7 on-call rotation

Environment: Cisco Switches 2900//4500/3650/6500 series and Cisco Routers 4300/2600/2800 series, Cisco Nexus 5K/7K/9K series, RADIUS, F5 Load balancer, VLAN, WAN, STP, RIP, OSPF, BGP, EIGRP, LAN, VOIP, VPN and HSRP.

Confidential, Houston, Texas

Sr. Network Engineer

Responsibilities:

• Assisted in troubleshooting LAN connectivity and hardware issues in the network as per the company requirements.
• Worked on WAN connectivity requests on a regular basis both Tickets and Incidents through Change Management system(CMS).
• Involved in configuring and implementing of Composite Network consists of Cisco routers and switches.
• Implementation of Wireless access points, Cisco 3750, 3850 switches, Cisco 3900 and ASR 1000s routers to new sites.
• Configured IP, EIGRP, RIP, BGP and OSPF in routers, Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers.
• Troubleshoot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues.
• Understand requirements of the client to deploy an efficient network.
• Monitoring / tracking projects with respect to budgeted cost, demand forecasts, time over-runs to ensure timely execution of projects.
• Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1.
• Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
• Coordinating with service providers for WAN link outages.
• Checking and configuring Cisco 7600 and 7200 routers at data center for remote site’s issues.
• Working on Cisco 6509 and 4507 series switches for LAN requirements that include Upgraded Cisco IOS from 12.3T to 12.4. Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Used PIX Firewall and ACLs for authentication of EIGRP to ensure high security on the network.
• Configured and implemented remote access solution for customers: IPSEC, Site2Site, GRE tunnel end-to-end.
• Configured Cisco 7200 routers which were also connected to Cisco PIX 535 security appliances providing perimeter based firewall security.
• Used load balancers ACE and load balancing techniques with multiple components for efficient performance and to increase reliability through redundancy.
• Involved in migration from Frame-Relay/ATM network to MPLS-based VPN for customer’s WAN infrastructure.
• Used Network monitoring tools to ensure network connectivity and Protocol analysis tools to assess and pinpoint networking issues causing service disruption.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Provide Tier III Level Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
• Experience with configuring Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000.
• Extensive knowledge in troubleshooting data communication protocols and standards including TCP/IP, UDP, IEEE 802.3, Token Ring, Cable Modem, PPPOE, ADSL, Multilayer Switching and DoD standards.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP, VIPs.
• Worked on Data, VoIP, security as well as wireless installations and technologies.
• Took active part in making documentations and supporting other teams.

Environment: Cisco 3650, 3750, 4500, 6500 switches and Cisco 2500, 2800, 3600, 3800, 7200 routers, Nexus: 2000, 5000, 7000 series switches, Redundancy Protocols: LAN, WAN, HSRP, VLAN, STP, VTP, RSTP, PVST, NAT, PAT, ACL, Route-maps, Wireshark, Routing Protocols: EIGRP, OSPF, BGP Cisco ASA 500, F5 BIGIP LTM, RIP, Checkpoint firewall, Load balancers.

Confidential, Charlotte NC

Sr. Network Engineer

Responsibilities:

• Implemented LAN/WAN networking systems.
• Planning and configuring the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
• Tested authentication in OSPF and BGP.
• Involved in troubleshooting firewalls via logs and packet captures and worked with Juniper Firewalls.
• Configured and resolved various OSPF issues in an OSPF multi area environment.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team. The LAN consisted of Cisco campus model of Cisco 3550 at access layer, Cisco 6513 at distribution/core layer.
• Worked with telecom vendors in regards to network fault isolation.
• Hands-on experience with WAN (ATM/Frame Relay), Routers, Switches, TCP/IP, Routing Protocols (BGP/OSPF), and IP addressing.
• Configured CIDR IP RIP, PPP, BGP and OSPF routing.
• Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4. Configured IP access filter policies.
• Experience with Firewall Administration, Rule Analysis, Rule Modification
• Deployed 7613 as PE and CE router and Configured and troubleshoot the Edge Routers.
• Excellent troubleshooting knowledge on T1, T3, OC-3 and OC-12.
• Generated RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
• Experience with implementing and maintaining network monitoring systems (Cisco works and HP Open view) and experience with developing complex network design documentation and presentations using VISIO.
• Estimated Project costs and created documentation for project funding approvals.
• Configured ASA 5540 to ensure high-end security on the network with ACLs and Firewall.
• Used IPSec VPN tunneling to provide access to user machines and partners in other network. Provided application level redundancy and availability by deploying F5 load balancers LTM.
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with Cisco ASA VPN experience

Environment: NetFlow, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, CSM, SUP720, Ether Channels, Cisco 7200/3845/3600/2800 routers, Fluke and Sniffer, Cisco 1600, 2600, 2800, 3600, 7300 series Routers, Switches: Cisco Distribution layer switches such as 4510, 4948, 4507, EIGRP, RIP, OSPF and BGP.

Confidential, NY, NYC

Network Engineer

Responsibilities:

• Worked on Cisco 7500, 7200, ISR 2800 series routers and Catalyst switches like 2960.
• Deployed the switches in high availability configuration with HSRP.
• Configured IT LAN/WAN features.
• Web Filtering and Categorizing on Proxies and Web Gateways.
• Collecting and Maintaining logs and reports for Audit Purposes.
• Monitoring and maintaining compliance standards on Company’s Endpoints
• Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
• Active in Troubleshooting networkproblems using Packet Analysis tools like Ethereal.
• Configured various routing protocols including EIGRP and OSPF, BGP, analyzing throughput of WAN link.
• Work on different connection medium like Fiber and Copper Connectivity.
• In-depth expertise in the implementation of analysis, optimization, troubleshooting and documentation of LAN/WAN networking systems.
• Planning and configuring the routing protocols such as OSPF, RIP, and Static Routing on the routers.
• Assisted the team and performed configuration of LAN\WAN technologies such as Ethernet, Fast Ethernet, and Gigabit Ethernet.
• Primarily focused on Automation and failover capabilities on Security Compliance Operation.
• Handling all level of incident and change order for Security Compliance products such as Anti-Virus and Web Gateways.
• Planning and configuring the entire IP addressing plan for the clients'network.
• Providing and Knowledge sharing session for L1 Team.
• Construct protocols for port-security to prevent any unauthorized access to the network.

Environment: Endpoint Security, Network traffic, Web Gateway, VPN, Anti - Virus.

Confidential

Network Support Engineer

Responsibilities:

• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Received trouble tickets and solved tactical satellite systems related problems of at least two hundred end users.
• Formulated a Fault Management Methodology in collaboration with Regional Operations Managers, the Operations Support Center, and external consultants to gain national support in the Broad reach Process.
• Provided on-call support for installation and troubleshooting configuration issues.
• Consistently exceeded 99% of installation deadlines and requirements for all production work orders.
• Formulated a Fault Management Methodology in collaboration with Regional Operations Managers, the Operations Support Center, and external consultants to gain national support in the Broad reach Process.
• Planned and implemented Subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Monitoring LAN and WAN network traffic and performance using network monitoring software.
• Provided Technical support for improvement, upgradation, and expansion of the existing network architecture.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• Performed troubleshooting of connectivity problems using PING, and Trace route.

Environment: Cisco Switches, Routers, TCP/IP, DNS, DHCP, VLAN

Confidential

Network and Operations

Responsibilities:

• Responsible for support of network devices including switches, routers wireless access points, file servers, ISP connections, acceleration applications.
• Managed performance, scheduling and career development for team of 15 network engineers.
• Developed a safety and fire prevention program and ensuring the work environment in compliance with all safety regulations.
• Applied "outside the box" procedures to recover a large volume of lost data needed for the next morning, made hard decisions to achieve goal resulting in great press for the Data Center.
• Implemented a full service helpdesk solution for tracking and managing all end - users' help requests.
• Resolved many cable failures, thefts and damages of ranging scope in number of affected customers, cable sizes, and duration to resolve.
• This required applying project management, inter-department coordination skills.
• Worked with IT groups to develop, evaluate and support new Network Management tools.
• Supported MACs (Move/Add/Changes) in both existing and new network.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Configured Standard, Extended, and Named Access Lists to allow users throughout the company to access different applications and blocking others.
• Performed troubleshooting of connectivity problems using PING, and Trace route.

Environment: Configured LAN and WAN equipment using Cisco Routers, Switches.