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Engineer Network

Location:
United States
Posted:
October 03, 2016

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Pradesh

Ph. 925-***-**** E-mail: acwv6w@r.postjobfree.com

SUMMARY

Having 8 years of Extensive experience in routing, switching, system design, Load balancers and Security by performing the core activities like implementation, troubleshooting and maintenance of Enterprise Networks by working with multiple vendor Routers, Switches as Network Engineer/Technician

Strong command over protocol stack and OSI layers and worked extensively in network layer protocols and TCP/IP.

strong experience in configuring and troubleshooting the protocols like TCP/IP, Routing Protocols (RIP, OSPF, BGP, IGRP, EIGRP), PPP, PPTP, L2TP, NAT, IPSec in production Environment.

Strong knowledge of computer hardware and worked with different hardware configurations in testing.

worked on Load Balancers CSM and F5 LTM like 3900,6900 for corporate applications.

Familiar with switching protocols VTP, ISL/ 802.1q, IPsec, VPN Tunneling, VLANs, Ether Channel, Trunking, Port Security, STP, PVST+, and RSTP.

worked on T1/E1/T3 technologies with different LAN and WAN technologies.

Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of Spanning-tree protocol (STP), RSTP, HSRP, VLAN Trunking (VTP), Inter-vlan routing, ACL and ISL/802.1q.

Hands on experience in using various network monitoring and packet sniffing tools.

Knowledge in 802.11a, 802.11b, 802.11g, Bluetooth.

In depth understanding of IPV4 and IPV6 and implementation of Subnetting

Extensive experience in Layer 3 routing and Layer 2 switching and deal with router configurations of 7200, 3800, 2800 and switches 6500, 4500, 3700, 3750, 3900, 2900, 2960 and 3500XL, 3950 switch series.

Functional understanding and experience migrating from Citrix NetScaler environment to an F5 load balancing environment.

Strong knowledge of computer hardware and worked with different hardware configurations in testing.

Extensively exposed to troubleshooting, maintaining devices and migration of technology.

Good Knowledge with the technologies MPLS, VPN, WLAN, NAT, Multicast, Routing, Frame relay, SNMP.

Extensive Experience in WAN Technologies, Switching Technologies along with Failover Mechanisms & Inter VLAN Routing types.

Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, bridges, routers, hubs and Switches.

Involved in configuration and setup of DHCP, FTP and TFTP.

Network connectivity troubleshooting, ping, trace route, telnet.

Network analysis and troubleshooting tools – Sniffer Pro, Wire shark, Agilent Network and analysis tools.

Extensive knowledge of Web Application Firewall product administration

Proficient Hands on Experience on vendor platforms such as Cisco,Juniper routers and switches,F5 load balancers, checkpoint firewall and Cisco ASA and PIX Firewalls.

Experience configuring and troubleshooting Firewalls, IDS, VPN, BGP,802.11Q VLANs and QOS.

Experience with NIST/PCI environment.

Knowledge on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.

Responsible for Check point and Cisco ASA firewall administration across global networks.

Knowledge on CUCM/UCCE system technologies.

Knowledge on Cisco Unified Communications/UCCE technology and strategies including CUIC,CAD/Finesse,Unity,PG,CCMP,CUPS,Voice gateway etc.

Knowledge on VMware player, virtual box and VMware workstation.

Prepared technical documentation of configurations, processes, procedures, systems and locations.

Exceptional experience working in fast-paced, deadline-oriented environments.

Excellent Communication skills, Enthusiastic, motivated and a team player.

Played various customer interaction roles in various capacities, across projects in different areas.

Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professional.

TECHNICAL SKILLS:

HARDWARE

Cisco Routers: 1800, 2500, 2610, 2800, 3600, 3845, 7200, ASR 1000 series.

Juniper Routers: juniper MX480,240,80 series

Cisco Switches: 2900,2960,3500,3700,3750,3900,3950, 4500, 6500 series and Nexus Switches.

Juniper Switches: juniper EX4500,EX 4200

Switching Protocols

VTP, STP, RSTP, MST, VLANs, ISL, 802.1q, Ether Channel, PAgP and LACP

Routing Protocols

RIP, IGRP, EIGRP, OSPF, BGP, IS-IS, HSRP, VRRP, and GLBP

Monitoring Tools

Wireshark, Nmap, Nessus, OpManager, PRTG Packet Sniffer, and Infoblox

WAN Technologies

Frame Relay,lease Line VPN (L2F, PPTP, L2TP, GRE), ISDN, PPP, ATM, MPLS(LDP/TDP),IPv6,SONET and HDLC.

LAN Technologies

Workgroup, Domain, HSRP, DHCP, Static, VLAN, STP, VTP, Ether Channel, Trunks, PVST, RSTP

Servers

IBM,Dell servers,DNS servers, Domain Servers, WINS servers, proxy servers,FTP servers, Print servers, NTP.

Simulators

Packet tracer, GNS3

IP Telephony

VOIP, T1/T3, ISDN, PRI, Unified Call Manager

Operating Systems

Cisco IOS, Cat-OS, Nexus-OS, Cisco CLI, Linux, Unix, Ubuntu, Windows, VmWare Secure, Terminal Server

Network Security/Firewall

Cisco ASA Firewall, Layer 2 Security, VPN,WAF, IDS/IPS, IPSec, ACL, load balancing, NAT/PAT, Filtering, Checkpoint,Fortinet, McAfee Firewall Enterprise, Palo Alto Firewall,CITRIX Net Scaler,HTTP proxy,Bluecoat proxy, Socks Proxy.

Load Balancer

F5 networks(BIG IP systems) LTM 8900 and 6400.

Knowledge on APM,GTM and ASM.

Authentication

TACACS+, RADIUS, Digital certificates.

Communication

ARP, Wi-fi, WiMAX, CDMA,3G

Various Feature/services

TCP/IP, LAN, WAN, IP Subnetting, VLSM, VLAN, Inter-VLAN Routing, Frame-Relay, PPP,FTP,TFTP,VOIP(SIP,H.23,MGCP), L2VPN,HDLC, DHCP, DNS, ICMP, UDP, SNMP.

Languages

C,C#, Matlab

Documentation

MS Word, Excel, Project, PowerPoint, Outlook, Visio

PROFESSIONAL EXPERIENCE

Novartis, Cambridge, MA

Senior Network Engineer Mar 2015 to till date

Responsibilities

Installing, configuring, maintaining 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 and to provide support for Cisco network.

Responsible for the global design, engineering and level 2/3 support of existing network technologies services and the integration of new network technologies/services.

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.

Configuring VLAN, Spanning tree(STP), VSTP, SNMP on EX series switches.

Involved in Complete LAN/WAN Development which includes IP address planning, designing, installation, configuration, testing, maintenance, troubleshooting etc.,

Assist with implementing new switches, routers, firewalls, load balancers, and other network management/analysis/troubleshooting, and provide input for developing local operating procedures and policies as needed or requested.

Worked on F5 BIG IP LTM 6900 configured profiles, and provided and ensured high Availability.

Worked on F5 and CSM load Balancers deploying many load balancing techniques with multiple components for efficient performance.

Worked with NIST/PCI environment.

Configuration, Testing Planning, Design of Cisco routers, Cisco Catalyst 2900,3570 and 6500 switches and Cisco AirNet and wireless appliances.

Migration for Frame-Relay/ATM network to MPLS based VPN for customer’s WAN infrastructure.

Manage the operations of the DNS/DHCP and infrastructure Operate system upgrades, ensuring various scripts and matched with API versions.

Monitoring and Providing standards and guidance for other team members who are also servicing requests in the Infoblox database.

Successful configuration of the Infoblox system to meet client needs also calls for an ability to quickly grasp client-specific current solutions for DNS, DHCP, and IPAM (DDI)

Nexus 7k, 5k, 2k Configuring with FEX, FHRP, VPC, VDC based on design which we are going to implement

Providing network Support from new application releases.

Experience with Virtualization technologies like Installing, Configuring and administering VMware and created and managed VMs (virtual server) and also involved in the maintenance of the virtual server.

Troubleshooting latency and throughput issues on MPLS and dedicated internet access circuits.

Configured Cisco 7204 routers which were also connected to Cisco ASA security appliances providing perimeter based firewall security.

Evaluates and pilot’s deployment of new Web Application Firewall products and works with the security team to evaluate other security infrastructure products and features.

Analyzes and troubleshoots technical security challenges related to management of the Web Application Firewall.

Upgrade Cisco Routers, Switches and Firewall (ASA) IOS using TFTP.

Resource management through deployment of network based monitoring applications to keep bandwidth & activity alongside each other.

Configured Client VPN technologies including Cisco’s VPN client via IPSEC.

Convert Checkpoint VPN rules over to the Cisco ASA solution, Migration with both Checkpoint and Cisco ASA VPN.

Setup and maintained checkpoint security policies including NAT/VPN and secure remote access.

Configured Firewall logging, DMZs and related security policies and monitoring.

Installed and Configured a Cisco secure ACS server for AAA authentication (RADIUS).

Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.

Performed switching technology administration including Vlans, inter-Vlan routing, trucking, port aggregation and link negotiation.

FEI Systems, Columbia, MD

Network Engineer Jan 2013 to Feb 2015

Responsibilities:

Expert working knowledge including the ability to setup, configure, upgrade, manage and troubleshoot Juniper and Cisco routers, switches, VPN concentrators, firewalls, 802.11 wireless access points and load balancers.

Responsibilities include web administration, adding, and removing accounts including e-mail, server performance and maintenance, installation and configuration of Cisco 700, Cisco 1600, Cisco 2600, Cisco 3600, series Router and Cisco 2900, Cisco 3500 series switches and some Juniper routers.

Setting up VLANs and configuring inter-VLAN, Trunking, STP,PVST,RSTP,port aggregation & link negotiation on Ethernet channel between switches.

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.

Knowledge of Installation and Configuration of T1, Frame Relay, and ISDN, ACE Authentication, Radius reporting, and IP Services.

Knowledge in Implementing and configuring F5 BIG IP LTM 6400 Load Balancers.

Configuring objects such as load balancer pools for local traffic managment on F5 load balancers.

Provides technical support to clients, management, security administrators and network operations. Provides implementation support for risk assessment and data security procedures and products.

Designed and implemented security systems including various Cisco IOS ACLs, Context-Based Access Control, PIX Firewall (PIX 506, 515), Network Intrusion Detection Systems, AAA Cisco Secure Access Control Server (Radius/TACACS+) and Linux syslog servers. Planned, configured and operated IPsec VPNs.

Worked on ASA 5505, 5510 models and migration from PIX to ASA.

Worked on Cisco ACE load balancer for minimizing traffic congestion.

Designed, built, and implemented Checkpoint Firewall-1 VSX, with Provider-1 running on a Crossbeam X45 for evaluation by Chick-Fil-A.

Provided on call support 24/7 and worked in NOC (Network operations center).

Network Engineer April 2012 to Dec 2012

Allstate, Northbrook, IL

Responsibilities:

Manage switches of 5 different MBFS locations.

Hands on experience working on packet sniffer: Network time machine by fluke networks to monitor the network.

Experience working on QIP to manage DNS names and IP addresses.

Provided network connection to the new employees and wireless connection vouchers to visitors.

Implement and support virtual servers and desktops using VMware Virtual Infrastructure

Installing, configuring, maintaining 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 and to provide support for Cisco network.

Responsible for the global design, engineering and level 2/3 support of existing of network technologies services & the integration of new network technologies/services.

Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF and BGP.

Configuration, Testing, Planning, Design of Cisco routers, Cisco Catalyst 2900,3570 and 6500 switches and Cisco AirNet and wireless appliances.

Migration for Frame-Relay/ATM network to MPLS based VPN for customer’s WAN infrastructure.

Time to time upgrade network connectivity between branch office and regional office with multiple link paths and routers running HSRP, EIGRP, in unequal cost load balancing to build resilient network.

Manage the operations of the DNS/DHCP and infrastructure Operate system upgrades, ensuring various scripts and matched with API versions.

Monitoring and Providing standards and guidance for other team members who are also servicing requests in the Infoblox database.

Responsible for network performance, monitoring/analysis, proactive troubleshooting and capacity analysis of network and proposing improvements and design changes beneficial to the business.

Responsible for Network cabling, dressing, labeling and troubleshooting network drops onsite.

Responsibilities also include technical documentation of all upgrades done. Attending meetings and technical discussions related to current project.

Prepared engineering documents and network diagrams in Microsoft Visio.

Documented firewall changes and request forms to respective vendors.

Vendor co-ordination for hardware issues and assessment management.

Ability to handle multiple complex tasks, with tight deadlines concurrently.

Network Engineer July 2010 to Nov 2011

ANZ, Bangalore, India

Responsibilities:

Managing entire LAN and WAN and troubleshooting of the company network.

Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.

Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security.

Worked with ASA Firewall configuration and Participated in Migration of PIX to ASA for hardware devices.

Hands on experience with switching protocols VTP,ISl/802.1Q,IPsec,VPN Tunneling, VLANs Ether channel,Trunking,port security,STP and RSTP.

Implemented redundancy for Routers,switches and firewalls

Switches and supporting STP,RSTP,PVST,RPVST along with troubleshooting of inter VLAN routing and VLAN trunking using 802.1Q.

Managed Cisco routers and troubleshoot layer1,layer2 and layer3 technologies of Inter VLAN routing and VLAN trunking Using 802.1Q.

Configured ASA 5520 to ensure high-end security on the network with ACLs and Firewall.

Worked with Cisco Catalyst 6500, 4500, 4900 switches and Cisco 2800, 3600, 3800, 7200 & 7600 series Routers.

Deployed Nexus 2000, 5000 and 7000 series switches.

Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.

Worked with Routing Protocols of EIGRP and BGP.

Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.

Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.

GRE tunneling & Site-to Site VPN configuration between other two sites in USA.

Implemented redundancy for Routers, Switches and Firewalls.

Manage Cisco Routers and troubleshoot layer1, layer2 and layer3 technologies for customer escalations.

IP Allocation& Maintenance for users and other needs throughout company.

Jr.Network Engineer July 2008 to June 2010

Cybernet Slash Support, Chennai, India

Responsibilities:

Identifying, analyzing and fixing network related issues across the organization.

Identification of End of Life & End of Support and recommendation of new hardware replacement for all the managed networking devices within the scope.

Manages the daily activities of local and wide area network systems, performs

Creates network and email accounts for new users.

Implementation and configuration of VPN Tunnels.

Configuring RIP,OSPF,and static routing on cisco routers.

Configured HSRP and VLAN trunking 802.1Q, VLAN Routing on catalyst 6500 switches.

Configured BPDU gaurd,port-fast,uplink fast, and other spanning tree features.

Installed LAN and WAN and established intranet and internet access.

Experience with networking, subnetting,and DHCP along with DHCP optioning.

Network Migration from layer2 to layer 3 at access level.

Optimized performance of the WAN Network consisting of Cisco 3500/4500/6500 switches by configuring VLANs.

Sets up computers for new users and ensures delivery of equipment to users in different locations if necessary.

Assumes duties and responsibilities of Network Engineer in his/her absence.

Performs any other related duties as assigned by the Network Engineer or other appropriate

administrators.

Assists with the administration and maintenance of the telephone system, including telephone switches.

Maintain, extend and verify the latest configurations for the supported network devices.

Participate with fellow engineers in a revolving on call schedule.

Ensure that support is provided for other network devices as and when required.

Understand and troubleshoot any issue related to network faced by end users



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