Gaurang Karkar
***********@*****.***
SUMMARY
Around 6 years(Master of science in Electrical & computer Engineering) of experience in IP network design, network integration, deployment and troubleshooting.
Extensive knowledge in configuring and troubleshooting Layer 3 Interior Gateway Routing protocols such as Link-State routing protocols (OSPF and IS-IS) and Distance Vector routing protocols (RIPv1, RIPv2 and EIGRP). Wide exposure to LAN/WAN setup, installation, configuration and commissioning of network devices.
Good at OSI Layers concepts.
Strong hands-on experience on Cisco Catalyst (series 3800, 3500, 3700, 4500, 4900, 6500), Cisco Nexus (series 5K, 7K), Cisco Routers (series 2600, 2800, 3800, 3900, 7200 & 7600), Load Balancers (F5 BIG-IP LTM/GTM ADC), CheckPoint Power-1 5070 and CheckPoint Smart Dashboard.
Knowledge and configuration of redundant router protocols like HSRP, VRRP and GLBP.
Substantial knowledge, including the configuration, of Spanning Tree Protocol (STP), Per VLAN Spanning Tree (PVST), Rapid STP (RSTP) and Rapid per VLAN Spanning Tree (PVST+).
Worked on Cisco Firewalls Cisco ASA 5500(5510/5540) Series and Checkpoint R75, 76 Firewalls.
Proficient with network hardware and technologies including routers, switches, firewalls, Ethernet, Fast Ethernet, Gigabit Ethernet.
Solid understanding of OSI and TCP/IP model along with LAN, WAN, TCP/IP (IP, ICMP, ARP, TCP, UDP).
Strong knowledge in switching and layer 2 protocols (STP, VLAN, VTP).
Strong knowledge in routing and layer 3 protocols RIPv2, EIGRP, OSPF, BGP.
Implement firewall security policy management, Network Address translation(NAT), Port Address Translation(PAT).
Conducting technical site surveys different branch and main office.
Worked and Configured TACACS/RADIUS protocol.
Implemented traffic filters using standard and extended access-lists, distribute-lists and route maps.
Excellent hands on experience in Computer Networking with Network Infrastructure, LAN, WAN, Network Maintenance, Troubleshooting, Security, Virtualization, Load Balancing.
Extensive knowledge of IP sub netting, VLSM, NAT/PAT, Access Control List (ACL).
Some experience supporting open source network tools such as Netflow Analysis tools, OpenNMS, Solarwinds.
Installing/troubleshooting PCs and Printers and Linux RHEL 6.0 Servers.
Experience with route-maps for policy-based routing.
Experience with QoS for Voice, Video and other traffic.
Networking: Assisted in advice, install and support LAN/WAN hardware & software. Configure & troubleshoot routers and switches.
Experience conducting desktop support and inventory control over different sites.
Experience installing/troubleshooting with data cable and data communications equipment.
Work collaboratively with developers, partners, business analysts and support team and end users.
Ability to quickly learn new technologies using self-study materials and intuition.
Technical Skills
Routers: Cisco 2600, 2800, 3800, 3900, 7200 & 7600 series, Juniper M Series, MX480 and MX240
Switches: Cisco 3500, 3700, 3800, 4500, 4900, 6500
Firewalls: ASA 5500, CheckPoint, Juniper Net Screen, Juniper SRX.
Routing: OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static routing
Switching: VLANs, Dot1Q, VTP, STP, RSTP, PVST+, VLAN Maps, HSRP, VRRP, GLBP, CEF, DCEF, Port Security
LAN/WAN/Voice Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, VPLS, VPN, SD-WAN, T1, T3, OC Standard, ISDN, VoIP, POTS
Protocols: IP, TCP, UDP, ICMP, NAT, DNS, DHCP, SNMP, IPSEC, SSL, HTTP, SSH, TACACS/RADIUS
Network Management Tools: Solar Winds, HP Open View NNM, Wire shark, RADCOM, Packet Sniffer, Packet Analyzer, Cisco Secure ACS, Cacti, Zenoss, ITSM & REMEDY System.
Education
Cleveland State University, Cleveland, OH, USA
Master of Science in Electrical and Computer Engineering
Gujarat Technological University, Gujarat, INDIA
Bachelor of Electronics and Communication Engineering
Certifications & Trainings
Amazon Web Services
-Certified Solution Architect – Associate (AWS-ASA-24669)
-Certified Technical Professional
-TCO and Cloud Economics
Red Hat Partner Accreditation
-Delivery Specialist
-Cloud Management
-Sales Engineer (Iaas, Paas)
CCNA – Cisco Certified Network Associate (CSCO13277381)
-Switching & Routing
Preparing for CCNP – Cisco Certified Network Professional
-Best knowledge of CCNP R/S & CCIE BGP/MPLS L3 VPN
Professional Experience
Cloud & Things, Albany - NY 12.2016 – Present
Client: State of NY - Network Engineer
Installation, configuration and troubleshooting Switches, Routers, VOIP Phone, WLC(wireless controllers and APs in LAN/WAN Environment.
Installation, configuration and maintenance of Cisco 7000/ 3600/ 2600 series routers and Cisco 3500, 3700, 3800, 4500 series switches.
Configure Cisco and Juniper devices, Checkpoint such as Juniper SSG1000/2000, Juniper SRX, Juniper ISG500, Cisco ASA, IDS/IPS, ASR for network monitoring, CheckPoint Power-1 5070 and CheckPoint Smart Dashboard.
In depth knowledge of big IP F5 load balancer LTM and F5 GTM.
Worked on Palo alto Firewalls.
Troubleshoot L3 level tickets and alerts using ITSM Software system. Work with Tier 2 and Field Technicians to resolve issues.
Working on CISCO Prime and Wireless controller to Manage all WAPs in campuses.
Creating RMA For the Faulty Cisco Equipment's with Cisco Engineer Team.
Implemented route-maps for policy-based routing.
Implemented QoS for Voice, Video and other traffic.
Troubleshooting and manage GRE, DMVPN, MPLS, IPSEC VPN tunnels and other WAN technologies.
Monitor the status of the network with Solarwinds for the LAN/WAN and Cisco Prime for the wireless APs.
Coordinated with various vendors like Frontier, AT&T, Spectrum/TWC and Verizon to solve Layer 3 issues of P2P link between different sites.
Configured/Troubleshoot Site to Site VPN tunnels with our clients on Cisco ASA 5500 Platform.
Works closely with Customers in determining the business needs for a Project and build Detail design which includes Data Flow diagram, Logical and Physical Diagram.
Created Visio Diagram to give complete picture of network design for each site.
Implemented and configured routing protocols like OSPF, EIGRP and BGP.
Making prompt changes in the network to ensure uninterrupted services.
Resolving routing and switching related real-time performance issues.
Configuration & Management of VLANs, 802.1q trunks, VTP, Security policies.
Responsible for VLAN, VTP, 802.1Q tunneling, DTP, STP, RSTP, Physical Layer and Data link layer issues.
Worked & provide Enhanced security using Cisco ACS server through TACACS/RADIUS.
Experience supporting open source network health tools such as Netflow Analysis tools, OpenNMS and Cacti Performance Monitor.
Maintain and backup devices configs using Solarwinds NCM
Monitor devices and server using open source monitoring tool like Zenoss
ACLs management on Switches & Routers, managing inters VLAN communications.
Provide on call support for the network in an outage situation.
Conducting technical site surveys different branch and main office.
Experience installing/troubleshooting PCs and Printers and Servers.
Experience installing/troubleshooting with data cable and data communications equipment.
Work collaboratively with developers, partners, business analysts and support team and end users.
Working on support team member on large data center migration project to support network configurations, documentation and other activities.
Cleveland State University, USA 04.2015 – 04.2016
Network Support Engineer
Router 2900, 3800, Switch 2960.
Perform general lab support, network maintenance and troubleshoot the network connection and layer 1 & 2 & 3 problems.
Assisted in design and documentation IP address schemes.
Conducting technical site surveys different branch and main office.
Documentation of network devices and design with the help of MS Visio and MS Office.
Connected a topology with AAA server for login Authentication purpose.
Installing/troubleshooting PCs and Printers.
Experience conducting desktop support and inventory control.
Experience installing/troubleshooting with data cable and data communications equipment.
ACLs management on Switches & Routers, managing inter VLAN communications.
Manage and supported DHCP/DNS infrastructure.
Implemented route redistribution between OSPF and EIGRP.
Designed ACLs and VLANs.
Installation and commissioning of Cisco Catalyst Switches 2900, 2950&3500
Configuration & Trouble shooting of Cisco Switches: - 2960, 3500 Series Catalyst Switches.
Configuration and troubleshooting of LAN's and WAN's with various protocols including TCP/IP, DNS, DHCP, PPP, NETBEIU, RIP, IGRP, EIGRP, OSPF.
Configuration of Cisco 3600, 2600, 2500, 1700, 1600 series Routers which are used for WAN design.
Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on Call tech as needed for client.
Assist on various projects with multiple vendors.
Troubleshoot TCP/IP problems, troubleshoot connectivity issues.
ANS Enterprise – Ahmedabad, Gujarat 02. 2013 - 11. 2014
Network Engineer
IT experience in administration, troubleshooting & new implementations on Cisco Switches, Cisco Routers & ASA firewall, IP Phone, WLC and APs in LAN/WAN Environment.
Coordinating with Branch Office Site contact to understand the site-specific Network devices and connectivity.
Draft and publish internal knowledge base articles such as step-by-step troubleshooting reference material
Assist on various projects with multiple vendors and stakeholders
Analyze and score RFP submissions from multiple vendors.
Work done in installing/troubleshooting VOIP phones for branch office.
Experience conducting desktop support and inventory control over different sites.
Provide domain and system access to vendors, employees, and customers
Lead all deployment and move projects (Installation new hosts, relocate production hosts, system upgrade etc. and bring up new hosts in production environment)
Supported nationwide LAN infrastructure consisting of Cisco 4510 and catalyst 6513.
Configured port-fast, uplink fast and other spanning tree features.
Created Lab demonstrations for new technology deployments with loaner equipment from various vendors and presented the findings to upper management.
Maintained good understanding of the basics behind the Internet and its workings (DNS, Security, IP Routing, HTTP, VPN, Email Routing, SPAM, etc.)
Configuration and maintenance of OSPF protocol which was the enterprise IGP. Configuration included deploying of new branch locations or new network devices in the existing infrastructure. Creating Stub Areas & configuring Summarization for effective Routing.
Implementing traffic filters using standard and extended access-lists, IP prefix-lists.
Inspected overall health of the network, server deployment throughout the company's LAN.
Assigning IP address and password to Routers.
Preparing the Task list for remote sites implementation steps with timelines and owners.
Troubleshooting incidents of different levels of severity by working with the OS, Customers and application teams.
Making emergency changes in the network to ensure uninterrupted services.
Resolving routing and switching related real-time performance issues.
Configuration & Management of VLANs, 802.1q trunks, VTP, Security policies.
Knowledge and configuration of redundant router protocols like HSRP, VRRP and GLBP.
Developed and documented network diagrams and procedures.
Implemented route redistribution between OSPF and EIGRP.
Designed ACLs and VLANs.
Work done in installing/troubleshooting PCs and Printers and RHEL Servers.
Testing for network connectivity before and after installing or upgrading.
Conducting technical site surveys different branch and main office.
Experience installing/troubleshooting with data cable and data communications equipment.
Installation and commissioning of Cisco Catalyst Switches 2900, 2950&3500
Configuration & Trouble shooting of Cisco Switches: - 2960, 3500 Series Catalyst Switches.
Configuration and troubleshooting of LAN's and WAN's with various protocols including TCP/IP, DNS, DHCP, PPP, NETBEIU, RIP, IGRP, EIGRP, OSPF.
Configuration of Cisco 3600, 2600, 2500, 1700, 1600 series Routers which are used for WAN design.
Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on Call tech as needed for client.
Electronic Systems 02.2012 – 01.2013
Jr. Network Engineer
Worked with the Help Desk for circuit troubleshooting to give Support to the Tech persons at the site.
Configuring routers and sending it to Technical Consultants for new site activations and giving online support at the time of activation.
Experience installing/troubleshooting VOIP phones for branch office.
Supporting Development team for the access to corporate network and outside world. Providing access to specific IP, Port filter and port access.
Experience conducting desktop support and inventory control over different sites.
Experience in Cisco 2800 3700 series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
Conducting technical site surveys different branch and main office.
Performed troubleshooting, while maintaining trouble ticket tracking, following internal/external escalation procedures and customer notifications. Configured Cisco Routers for OSPF, RIP, IGRP RIPv2, EIGRP, Static and default route.
Installing/troubleshooting PCs and Printers and Servers.
Configured the Cisco router as IP Firewall and for NATting.
Switching (Ethernet) related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet channel between switches.
Responsible for implementing Qos prioritizing voice traffic over a data.
Implemented SNMP on Cisco routes to allow for network management. Completed the installation and configuration of T1, T3 & OC3 circuits.
Experience installing/troubleshooting with data cable and data communications equipment.
Troubleshoot TCP/IP problems, troubleshoot connectivity issues.