OBJECTIVE

• Seeking a position as a Network Engineer with a progressive organization that will utilize my education, certifications, skills, abilities and experience in an effort to contribute as a successful team player with hard work, dedication and integrity to the overall success of the company while offering the opportunity for advancement.

SUMMARY

• CCNA and CCNP certified Network Engineer with around 8 years of experience with expertise in implementation, administration, analysis and support of LAN and WAN.
• Experience in Cisco Routing and Switching with strong Cisco hardware/software experiences with Routers such as 2900, 3800, 3900, 4000, 7200, 7600, 3900; Cisco ASR - 1k/9k, Cisco Multilayer Switches 2960, 3850, 4500, 4900, 6500; Cisco Nexus 2k/5k/7k.
• Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Worked on Cisco IOS for configuration & troubleshooting of routing protocols: BGP, OSPF, EIGRP, IGRP and RIP.
• Expert Level Knowledge about TCP/IP and OSI models.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems, worked on Gigabit Ethernet and Fast Ethernet connection and applied QoS for the bandwidth delay.
• Knowledge of encryption, MPLS/VPN and GRE tunnels implementations using Cisco IOS with DMVPN and IPSEC
• Hands on Experience in configuring Virtual Local Area Network (VLAN), spanning tree protocol (STP), VLAN Trunking Protocol (VTP), Dynamic Trunking Protocol (DTP), Per VLAN spanning Tree (PVST), Rapid Per VLAN spanning Tree (RPVST), and 802.1x authentication in access layer switches.
• Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches and also implemented VSS on Cisco catalyst 6509 and 6513 switches.
• Experience testing Cisco routers and switches in laboratory scenarios and deploy on site for production.
• Hands on experience on NAT (Network address translation) configurations and its analysis on troubleshooting issues related access lists (ACL).
• Programming experience in Python and develop templates for safe network change management scripts with Python.
• Expertise in creating Network diagrams on Microsoft Visio, project plans and documentation.
• Considerable experience of work in configuring and utilization of SSH, Syslog, FTP, TFTP, DNS and DHCP.
• Good experience in managing the inventory of all network hardware, management and monitoring by use of SSH, Syslog, SNMP.
• Excellent leadership qualities with good written and oral communication.
• Great team player and able to work under pressure 24x7 duty rotation.
• Avid learner with proven capability to implement new technologies to its detail level.
• Excellent inter-personal skills with the ability to work in a team of large members with minimum supervision necessary.

TECHNICAL SKILLS

Routers: Cisco 7600, 7500, 7200, 3800, 3600, 2800, 2600, 2500, 1800, 1700, 800 series.

Switches: Nexus 7K/5K/2K; Catalyst 6500, 4500, 3850, 3560, 3750, 2960.

Routing Protocols: BGP, OSPF, EIGRP, IGRP, and RIP, Redistribution, Summarization and Static Routing.

Switching Protocols: STP, RSTP, PVSTP, VTP, ARP, and VLAN, PVLAN, Optimizing STP (Port Fast, Uplink Fast, Backbone Fast, Root Guard, BPDU Guard).

IP Services: DHCP, NAT, VLAN, DNS, FTP, TFTP, LAN/WAN.

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

WAN technologies: HDLC, PPP, Frame Relay, ISDN, ATM, MPLS, VPNs.

Firewalls and Load Balancer: Cisco ASA 5515x, 5585x, Cisco Trustsec, SGT, Cisco ISE, IPSEC VPN, F-5 LTM (5000s), Cisco ACE & GSS. Palo ALTO

Gateway Redundancy: HSRP, GLBP and VRRP.

Programming languages: Python, C, C++, MATLAB.

Operating Systems: Windows (95/98/NT/2000/XP/Vista/7/8.1/10), Window 2003/2008, Linux (Ubuntu, Kali, Backtrack 5)

PROFESSIONAL EXPERIENCE

Confidential, Napa, CA

Network Engineer

Responsibilities:

• Administration and diagnostics of LAN and WAN with in-depth knowledge of TCP/IP, NAT, PPP, ISDN and associates network protocols and services.
• Experience working with High performance data center switch like nexus 7000 series. As part of Data Center fabric remediation/refresh project, deployed Cisco Nexus switches and implemented features like VPC and VDC along with FEX links.
• Network security including NAT/PAT, ACL, VPN Concentrator and Checkpoint Firewalls.
• Applied ACLs for Internet access to the servers using Cisco 5550 ASA firewall and performed NAT.
• Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.
• Worked with Linux systems (Ubuntu specifically). To configure routers and switches through the CLI, the console computer had Linux operating systems.
• Strong hands on experience on Checkpoint Firewalls, ASA (5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA (TACACS+ & RADIUS).
• Worked with softwares such as Solarwinds and Infoblox to manage DNS servers, assigning IP Address and implementing DHCP for security purpose of the networks.
• Planning, Installation, Configuration and administration of Cisco Routers (3600, 3700, 3800, 7200, 7609) & Cisco L2 & L3 Switches (2900, 3560, 3750, 4500 & 6500).
• Configured OSPF, BGP routing protocol between data centers and between Virtual routing instances on the Juniper EX and MX series as required.
• Developed high-availability solutions through vendor interoperability of Juniper, Cisco, SonicWall, Fortinet, and Palo Alto Networks platforms, including utilization of Border Gateway Protocol (BGP), Open Shortest Path First (OSPF),Enhanced Interior Gateway Routing Protocol (EIGRP), Internet Protocol Security (IPsec), Multiprotocol Label Switching(MPLS), and SOHO transports for reliable disaster recovery and Quality of Service (QoS).
• Configured Bluecoat proxy servers for load balancing of GTM and LTM
• Experience in deploying EIGRP/BGP redistribution and changing the metrics for the primary and backup paths for the packet prioritization and EIGRP tuning.
• Configuring VLANs and implementing inter VLAN routing.
• Upgrading and troubleshooting Cisco IOS to the Cisco Switches and Routers.
• Configuring STP, RSTP, VLAN, VTP.
• VPN (virtual private network) configured from one office to another office.
• Troubleshooting hardware and network related problems.
• Provided configuration and management of FTP server and DHCP server.
• Maintaining database, installation, upgrade and backup of devices and network modules.

Confidential, Waltham MA

Network Engineer

Responsibilities:

• Work with static NAT, dynamic NAT, inside Global Address Overloading, TCP overload distribution.
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Implementing and troubleshooting with BGP, OSPF, EIGRP routing protocols.
• Configured extra security on port by enabling port security such as shutdown violation, maximum MAC address allowed per port, BPDU Guard with Port fast.
• Troubleshot complex routing and switching issues in a HSRP and GLBP environment.
• Used DHCP to assign reusable IP addresses to DHCP clients via IPAM.
• Used Solarwinds network monitoring tool to ensure network connectivity and Protocol analysis tools to assess the network issues causing service disruption.
• Analyzing traffic behaviors using Wireshark and Solarwinds.
• Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications.
• Configuration and installation of Cisco routers and catalyst switches.
• Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, port filter and port access.
• Experience in Cisco switches and routers: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay).
• Worked on F5 BIG-IP LTM, configured profiles provided and ensured high availability.
• Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.
• Managed the IP address space using subnets and variable length subnet masks (VLSM).
• Network migration from RIPv2 to OSPF and EIGRP plus redistribution between OSPF and EIGRP.
• Implementing traffic filters such as access-lists, distribute-lists, and route maps.
• Monitoring and Maintaining inventory reports of Network devices.
• Responsible for network availability, network redundancy, bandwidth planning, routing issues.
• Installation, upgrading and troubleshooting of office computer equipment, software, and peripherals.
• Completed service requests (i.e. - IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)

Confidential

Network Analyst

Responsibilities:

• Responsible for providing technical support regarding the company's proprietary systems and software.
• Assist customers in troubleshooting hardware/software related issues on various platforms and provide technical assistance to company customers.
• Analyze, configure and troubleshoot small networks.
• Troubleshoot error messages and suggest layer-2 / layer-3 switch configurations.
• Support Core, distribution and access layers switches.
• Work with business unit escalation team, tool’s team and training groups.
• Use Layer 2 Cisco's Switching platform knowledge (e.g. system architecture, switching and forwarding issues) in Catalyst Switches C6500, C4000, C3000, C2900, and other Layer 2 devices to work with customers and Business Units.
• Setting up VLANs with 802.1q tagging, Ethernet channels, VTP, STP and dot1q trunk between switches.
• Regulate and learn the operations of ADSL and DSL technology units and troubleshooting LAN/WAN issues.
• Experience using static routing and default routing.
• Provide troubleshooting, defect management, and training documentation skills.
• Solving customer escalated network severity cases in a timely manner by leveraging Cisco Enterprise Switch technologies.
• Monitor customer environments and ticket queues and respond as necessary.
• Provision new users, network devices and servers on a daily basis.
• Review all system logs, record issues and remediate any issues.
• Participate in on-call rotation and escalations.
• Maintain and utilize network and system monitoring tools to troubleshoot issues.