Nikhil

Email: ac4mv3@r.postjobfree.com

Mobile: 732-***-****

Summary:

Network Engineer with around 8 years of experience in the industry, which includes expertise in the areas of Routing and Switching.

Expert level knowledge of troubleshooting, implementing, optimizing and testing of static and dynamic routing protocols such as EIGRP, OSPF, BGP ability to interpret and resolve complex route table problems.

Expert Level Knowledge about TCP/IP and OSI models.

Configuring and troubleshooting Cisco 1800, 1900, 2600, 2800, 2900, 3800, 3900,4000 and ASR 1001,800 series routers; Cisco 2960, 3750,3850, 6500 series catalyst switches and Nexus 2000, 5000, 7000,9000 series switches.

Familiar with basic Cisco IOS device functions such as: startup procedure, config management, upgrading IOS, and general command line navigation.

Experience in configuring and troubleshooting F5 and Cisco load balancers

Expert level knowledge of Datacenter routing and switching

Implementation traffic filters on Cisco routes using Standard, extended Access list.

In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.

In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.

Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.

Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.

Hands on experience in configuring QoS on Cisco Routers/Switches.

Hands on experience configuring Cisco ASA and checkpoint firewalls

Palo alto installation, configuration, administration, monitoring and implementing the policies on 3060,5060, and 7050

Palo alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).

Experience configuring ASR routers and have good working knowledge of ASR 9k

Expert knowledge of cable connectors and replacement as RJ-11, RJ-45, V.35, RS-449.

In-depth knowledge and hands-on experience on IP Addressing, Sub netting, VLSM and ARP, reverse & proxy ARP, Ping Concepts.

Experience in working with video from end-point in the network to the backend.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP Ether channel, STP, RSTP and MST.

Experience with Layer 2 and Layer 3 protocols like LDP, RSVP/ TE, QOS, COS L2 VPWS and VPLS, FRR.

Experience in configuring HSRP and redistribution between routing protocols troubleshooting them.

Experience on Virtual Private Network (VPN) for operating Network and Data Center.

Implementation of HSRP, VRRP and GLBP for Default Gateway Redundancy.

3 years of experience in working with operating systems like Linux, Unix and Ubuntu

Experience in working with Windows power shell scripting to maintain and administrating server environments.

Good understanding of operating procedures in a critical environment, Conduct presentations and training

Good Experience communicating or directing non-technical users over the phone to assist with troubleshooting steps.

Good understanding of single line diagrams, Visio or CAD drawings

Experience working 24x7 on-call rotation and on weekends.

Ability to write detailed technical documentation Perform queue management for alarms, tasks, and incidents and participate in ongoing deployment projects

Technical Skills:

Routers: Cisco 17XX, 18XX, 26XX, 28XX, 37XX, 38XX, 39XX, 4000, 72XX,76XX ASR 1001,9k 800 series. Juniper MX 480,960 routers

Switches: Cisco 3550, 3750, 3850, 45XX, 65XX, 6880, Nexus 7K, 5K, 2K, 9K series switches

Load Balancer: Cisco CSS, Cisco ACE, F5 LTM (2000s, 5250v, 10250v) and GTM (4200v), Citrix NetScaler

WAN Optimization: Cisco WAAS, Riverbed

Firewall: Cisco 5505, 5515,5520,5585, Check point, Palo Alto

Routing: OSPF, EIGRP, BGP, RIP-2, PBR, Route Filtering, Redistribution, Summarization, Static Routing

Switching: VLAN, VTP, STP, PVST, RSTP, MST, Inter VLAN routing & Multi-Layer Switching, Multicast Operations, Layer 3 Switches, Ether channels, Transparent Bridging, PVLAN, DTP, vPC, VDC

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet, FDDI, CDDI, Token Ring

Fiber Channel, Fiber Channel over Ethernet, iSCSI, DHCP,

WAN: Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, MPLS, V-SAT

Web filtering: Cisco Ironport and Websense

Features & Services: IOS and Features, HSRP, GLBP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, NFS

AAA Architecture: TACACS+, RADIUS, Cisco ACS.

Monitoring & Network tools: Wireshark, HP Open View, HP - Intelligent management center, Solarwinds,

AccelOps, Infoblox, Netscott, Cisco Prime

Programming languages: C, python, XML

General Tools: Visio, Word, Excel PowerPoint, MS project

Professional experience:

DTE Energy, Detroit, MI August 2016 - Present

Sr. Network Engineer

Responsibilities

Supporting Tier 1 team in towards troubleshooting of networking issues, working on level 2 issues and Escalating issues to level 3 when needed

Configuring and troubleshooting Cisco 1800, 1900, 2600, 2800, 2900, 3800, 3900,4000 and ASR 1001,800 series routers; Cisco 2960, 3750, 6500 series catalyst switches and Nexus 2K, 5K, 7K,9k switches.

Managed the LAN Switching environment including creating and maintaining VLANs, STP, Trucking, Port Security, VLAN Security etc.

Implementing & Filtering Traffic using Access control list (ACL).

Configuring and Troubleshooting issues relating to Cisco ACE

Configuring and troubleshooting F5 LTM and GTM load balancers

Configuring and Troubleshooting Cisco stack wise switches

Supporting WAN circuits such as T1, DS3, OC3, Frame relay and MPLS

Extensive troubleshooting on wireless network issues.

Troubleshooting routing issues relating to EIGRP and BGP problems relating to server, server Load balancing, switching loops, SAN issues, firewall on a day to day basis & provide solutions that would fix the problem

Configuration of layer-2 Spanning tree protocol, layer-3 dynamic routing protocol WAN routing like OSPF, EIGRP, BGP and RIP.

Configuring and troubleshooting MPLS over BGP (i.e. Converting from Frame relay to PPP).

Worked on HSRP and GLBP for first hop redundancy and load balancing.

Configuring and troubleshooting cisco ASA 558*-****-****

Building site to site VPN tunnels with business partners, Configuring & troubleshooting phase 1 and phase 2 of site to site vpn, configuring firewall rules access list & nat and Troubleshooting connectivity issues using packet capture,tcp ping on ASA firewalls

Migrating the applications from the legacy f5s to the Viprions.

Configuring Virtual servers (standard and performance layer 4), pools and nodes on Viprions.

Configured priority group pool activation to direct traffic to desired pool members.

Implemented IRules for content switching using switch glob command, header removals and redirects.

Configured HTTP profiles and HTTP to HTTPS redirects on virtual servers.

Generating CSRs and installing certs on the virtual servers.

Front end SSL offloading on the application delivery controllers

Configuring SNAT, SNAT auto map on Big IP appliances.

Configuring cookie persistence for the web traffic on LTM modules.

Traffic capture using TCPDUMP and analytics profiles on f5 for further investigating the issue.

Troubleshooting the application Connectivity issues using cURL commands of f5s.

Implementing and configuring F5 LTM's for VIP's and Virtual servers as per application and business requirements.

Managing Escalations and follow ups with ISP’s and Telecom vendors

Working with Firewall team whenever a network problem needs to be investigated

Analysis of network WAN usage and troubleshooting the high WAN utilization issues

Submitting the change management requests, updating service requests with in the ticketing System.

Providing On-call support for network issues and production emergencies when needed.

Provide network support on internal IT related bridge calls and provide suggestions to the other Support teams to investigate root cause of a problem

Prepare, update, and maintain technical and logistical network documentation

Humana Health, Louisville, KY Apr 2015 - July 2016

Sr. Network Engineer

Responsibilities:

Hand on experience the configuration and implementation of various Cisco Routers & L2/L3 Switches.

Extensive experience in configuring and implementing OSPF and BGP.

Monitored network for optimum distribution and load.

Worked on the SNMP monitoring tools such as HP Open View, HP - Intelligent management center, Solarwinds, AccelOps

Supported core network consisting of Cisco 7200 series routers running multi area OSPF

Worked on Cisco routers and switches, WLC, HP switches, Bluecoat optimizer

Installed and configured protocols like TCP/IP and Internet protocols on WAN network.

Configuration of EIGRP and OSPF as interior gateway protocol with route filtering and route redistribution, installed and maintained Cisco 3600, 2600 and 7200 backbone routes with HSRP

Implemented stub/Totally stub areas. Implemented various OSPF features like route-summarization and SPF throttling

Used DHCP to automatically assign reusable IP addresses to DHCP clients

Configured and installed multi-protocol (IP, IPX) multi-interface Cisco routers

Replacing Checkpoint firewall with Cisco ASA firewall.

Palo alto installation, configuration, administration, monitoring and implementing the policies on 3060,5060, and 7050

Palo alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering).

Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools.

Successfully installed Palo Alto PA-3060 firewalls to protect Data Center and provided L3 support for routers/switches/firewalls.

Implemented Zone Based Firewalling and Security Rules on the Palo Alto Firewall.

Installation of Palo Alto (Application and URL filtering, Threat Prevention, Data Filtering)

Successfully installed Palo Alto PA-3060 firewalls to protects Data Center

Implemented Positive Enforcement Model with the help of Palo Alto Networks

Demonstrated the migration benefits from HSRP to GLBP. Successfully upgraded the existing network to GLBP for high availability and load balancing between distribution layer switches.

Performed configuration of SNMP, RADIUS, and TACACS along with other standard global configurations on existing client production routers and switches.

Worked on Cisco wireless controllers

Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support

Supporting EIGRP and BGP based network by resolving level 2 &3 problems of internal teams & external customers of all locations.

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to point site.

Negotiate VPN tunnels using IPSec encryption standards and configured and implemented site-to-site VPN, Remote VPN.

Configuring STP for switching loop prevention and VLANs for data and voice along with Configuring port security for users connecting to the switches.

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

Experience in web filtering tools such as Cisco Ironport and Websense

Network Cabling, dressing, labeling and troubleshooting various network drops onsite.

Developed documentation, system standards and SOPs within the organization.

Support and lead implementation of Joint Task Force (JTF) growing network infrastructure.

PSEG, Newark, NJ Feb 2014 – Mar 2015

Network Specialist

Responsibilities:

Assisted in troubleshooting LAN connectivity and hardware issues in the network.

Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.

Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.

Maintained redundancy on Cisco 2600, 2800 and 3600 routers with HSRP.

Created a backup and recovery policy for software application and verified peripherals are working properly.

Monitor performance of network and servers to identify potential problems and bottleneck.

Performed RIP & OSPF routing protocol administration.

Interacted with support services to reduce the downtime on leased lines.

Troubleshoot problems on a day to day basis & provide solutions that would fix the problems within their Network.

Used to DHCP to automatically assign reusable IP addresses to DHCP clients.

Used ASA Firewall and ACLs for authentication of EIGRP to ensure high security on the network.

Configured Cisco 7200 routers which were also connected to Cisco ASA 5508 security appliances providing perimeter based firewall security.

Configuring ASA 5510 Firewall and accept/reject rules for network traffic.

Used load balancers ACE and load balancing technique with multiple components for efficient performance and to increase reliability through redundancy.

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 WAN network consisting of Cisco 3550/4500/6500 switches by configuring VLANs.

Monitor the operability and reliability of the network.

Maintenance and Troubleshooting of connectivity problems using Ping, Trace route.

Managed the IP address space using subnets and variable length subnet masks (VLSM).

LAN cabling in compliance with CAT5 standards.

Worked along with the team in ticketing issues.

Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issues

Reliance Infocom, India May 2011 – Jan 2014

Network Engineer

Responsibilities:

Responsible for the configuration, implementation and operation of Cisco 3745 routers Cisco 6509 and 3560 L2/L3 switches

Removed Cisco 3600 and 2600 series routers and Cisco 2900 series switches from the current infrastructure and replaced them with the Cisco 6509 or 3560 L2/L3 switches.

Configured RSTP, MST and used VTP with 802.1q trunk encapsulation. Provided port binding and port security wherever required. Provided router redundancy through HSRP.

Configured ether channels using PAgP and LACP.

Installed and configured protocols like TCP/IP and Internet protocols on WAN network.

Designed ACLs, VLANs, troubleshooting IP addressing issues and taking back up of the configurations on switches and routers.

Provided testing for network connectivity before and after install/upgrade

Switching related tasks included implementing VLANS and configuring ISL trunk on Fast-Ethernet and Gigabit Ethernet channel between switches.

Experience in Cisco switches and routers: 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, IGRP, RIPv2, EIGRP, Static and default route.

Worked on HSRP and GLBP for first hop redundancy and load balancing.

Configured the Cisco router as IP Firewall and for NATing.

Prepare, update, and maintain technical and logistical network documentation.

Info Edge solutions May 2009 - Apr 2011

Systems Engineer

Responsibilities:

Provided Tier 3 support & problem resolution for technology products and/or application.

Worked with customer and 3rd party service provider NOC for Critical and above Network events.

Helped with Pre-Implementation Lab Testing

Troubleshooting Cisco Routers and Switches (4500, 6509, 4900, 2951. 2800, 7609, 3900, 3560 2960 series)

Basic Cisco Routing Configurations

Created event analysis report (root cause, ICA)

Wrote scripts and tools to automate deployments and improve network monitoring.

Created MOP Documentations

IP Routing (EIRGP, BGP, TCP/IP), Mail servers, network Connectivity and other LAN related issues.

Cisco Call Manager and VOIP Maintenance and setup

Maintenance and oversight of Servers and Switch of client

Provided technical training and mentoring to customers after network deployments.

Helped with Vendor Management, provided Vendor Reliability report (Scorecards, HW, SW Reliability)

Academics:

Bachelors of Engineering in Electrical and Electronics Engineering, JNTU, India.

Certifications:

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Associate Security (CCNA Security)

Cisco Certified Network Professional (CCNP)

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