SUMMARY

• Over 5 years 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.
• 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).
• 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).
• Red Hat 5/6/7 Operating System installation, Configuration and Troubleshooting on VMware virtual and physical servers.
• Experience supporting open source network health tools such as Netflow Analysis tools, OpenNMS and Cacti Performance Monitor, Solarwinds.
• Patch Red Hat Linux servers to apply latest updates using satellite, installing packages using YUM and configure YUM repositories.
• Managing Cron jobs, batch processing and job scheduling.
• VMware ESXi Installation, Installation of Hypervisor (ESXi5.1, ESXi5.5 & ESXi6.0).
• Configure Management Network, Configure DNS and Routing, ESXi as an NTP Client, connecting to an ESXi Host using vSphere Client and CLI, Installation of Hypervisor on Storage LUN.
• Clones and Templates: Creating Templates and Clones for a VM, Deploying Virtual Managing and Remove snapshots, VMotion Migration.
• Networking: Assisted in advice, install and support LAN/WAN hardware & software. Configure & troubleshoot routers and switches.
• Experience on Tableau Software.
• Administration of AWS Cloud IaaS (Infrastructure as a Service) components.
• Work collaboratively with developers, partners, business analysts and support team and end users.
• Developing the smart video monitoring solutions leveraging cloud technologies.
• Research on IoT sensor-based technologies to create smart city solutions.
• Ability to quickly learn new technologies using self-study materials and intuition.

TECHNICAL SKILLS

Routers: Cisco 2600, 2800, 3800, 3900, 7200 & 7600 series

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, PortSecurity

LAN/WAN Technologies: Ethernet, Frame relay, MPLS, HDLC, PPP, T1, T3, OC Standard, ISDN

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.

PROFESSIONAL EXPERIENCE

Confidential, State of NY

Network Engineer

Responsibilities:

• Installation, configuration and troubleshooting Switches, Routers, VOIP Phone, WLC 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 router, 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.
• 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.
• Work collaboratively with developers, partners, business analysts and support team and end users.
• Developing the smart video monitoring solutions leveraging cloud technologies.
• Researched on IoT sensor-based technologies to create smart city solutions.
• Working on support team member on large data center migration project to support network configurations, documentation and other activities.

Confidential

Linux/Network Administrator

Responsibilities:

• Red Hat 5/6/7 Operating System installation, Configuration and Troubleshooting on VMware virtual and physical servers.
• Patch Red Hat Linux servers to apply latest updates using satellite, installing packages using YUM and configure YUM repositories.
• Configure NFS server and mount exported nfs resources at the client side.
• Setup secured password less ssh authentication on servers using ssh keys.
• Monitored and controlled system processes using top, sar.
• Managing Cron jobs, batch processing and job scheduling.
• VMware ESXi Installation, Installation of Hypervisor (ESXi5.1, ESXi5.5 & ESXi6.0).
• Configure Management Network, Configure DNS and Routing, ESXi as an NTP Client, connecting to an ESXi Host using vSphere Client and CLI, Installation of Hypervisor on Storage LUN.
• User and groups, roles, assigning Permission, Various Permission Scenarios, Alarm Settings and Triggers, conditional and event triggers.
• Clones and Templates: Creating Templates and Clones for a VM, Deploying Virtual Managing and Remove snapshots, VMotion Migration.
• Managing volume group, logical volume and file systems on Linux servers.
• Provide on-call support during weekends & off hours.
• Networking: Assisted in advice, installed and supported LAN/WAN hardware & software. Configure & troubleshoot routers and switches.
• Create trouble tickets and alerts using Remedy system. Work with Tier 2 and Field Technicians to resolve issues. Monitor alarms for network outages to minimize service impact.
• Implemented & Configured OSPF protocol for organization.
• Working with Client teams to find out requirements for their Network Requirements.
• Created Network Design for each site.
• Deploying the network infrastructure to meet the requirements.
• Created VLAN and Inter-VLAN routing with Multilayer Switching.
• Documenting and Log analyzing the Cisco ASA 5500 series firewall.

Confidential

Network Engineer

Responsibilities:

• 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
• 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.
• Worked on different Tableau Software and its tools.
• Worked on administration level of AWS Cloud IaaS (Infrastructure as a Service) components.
• 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.
• Testing fornetworkconnectivity before and after installing or upgrading.
• 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 includingTCP/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 allnetworkissues with routers and switches when necessary and consulted with on Call tech as needed for client.

Confidential

Jr. Network Engineer

Responsibilities:

• 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.
• 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 2800 3700 series switches: Physical cabling, IP addressing, Wide Area Network configurations (Frame-relay and ATM).
• 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.
• 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.
• Troubleshoot TCP/IP problems, troubleshoot connectivity issues.