Network Engineer Troubleshooting

Naresh

Sr. Network Engineer

Phone: 908-***-**** Email: ******.*********@*****.***

Professional Summary:

8+ years of practical experience in the IT field as a network engineer, with proficient hands-on experience in the areas of Wi-Fi portfolio, Routing, Switching and Troubleshooting

Strong knowledge in configuring and troubleshooting routing protocols like RIP, OSPF, VOIP, IS-IS, SNMP, EIGRP and BGP.

Installing and Configuring Cisco switches 2960, 3560, 4500, 6500, 4900, 2900, 3750, Nexus 5000,Nexus 7000, WS-C4948, Juniper EX, QFX and Alcatel 7705 SAR series.

Hands-on expertise with routers 2600, 2900, 3600, 3900, 7200, 7600, ASR-901, ASR-903, ASR 5500, ASR-9010 and Juniper ACX, E, M, MX960 series.

Working Knowledge on Devices like Juniper SRX240, Alcatel5620 SAM, 9500 MPR and Omni switch 6400.

Implementation, working analysis, troubleshooting and documentation of LAN, WAN & WLAN architecture with excellent work experience on IP series.

Working knowledge with Load Balancers F5 LTM like 3900, 6900 for various applications

Working knowledge of Firewall, LDAP, AAA, TACACS/RADIUS, and IPSEC.

Proficient with TCP/IP and relative OSI models.

Security policy configuration including NAT, PAT, VPN, SSL-VPN, Route-maps and Access Control Lists.

Strong practical experience in IP addressing, Sub-netting, VLSM and ARP, proxy ARP, and ping concepts

Expertise in troubleshooting and configuring DNS, DHCP, TFTP,TELNET,SSH, FTP and NFS

Excellent hands-on experience in designing and implementing IP addressing that includes both IPV4 and IPV6

Implementation of Access lists, route maps, and distribute lists.

Strong fundamental knowledge in implementing Layer-2 level technologies including VLAN's, VTP, STP, RSTP and Trunking.

Technical support for improvement, up-gradation & expansion of the network architecture.

Working experience on tools and devices like Source Fire, Fire eye, Aruba, Cisco ASA, Cisco ISE.

Good understanding and working knowledge of Protocols like IEEE 802.1, IEEE 802.3& IEEE 802.11, 802.1x, EAP, PEAP & EAP-TLS.

Hands-on experience of Python scripting, automation using Python, string parsing, libraries, API's, regexp and more.

Expertise on various Operating Systems and software's like Win8, Win7, Win 2008, Win Vista, Ubuntu, Kali Linux, Red Hat Linux, Asterisk and MS Office Suite, Adobe Photoshop,.

Working Experience in SONET, DWDM & ATM Networks.

Working Experience in VMware ESX 5.x, VMware Workstation, VMware vCenter Server, Microsoft SharePoint, System Center 2012 R2, C++.

VoIP Installation and troubleshooting, configuring Digium Phones and setting up VoIP over VLAN.

Good understanding and working knowledge of ITIL standards.

Hands on experience on several Ticketing Tools like JIRA, Change Management, Service Catalog, ePCR, SR, Remedy, IP center, etc.,

Working Experience on web content filter and gateways like Blue Coat, Websense.

Working Experience on Network Scanning, Management, Alerting & Logging tools like Solar Winds, Net cool, Science Logic, Log Logic, EM7, Indeni, nCircle, PRTG, Wire shark.

Comprehensive understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SNMP, FTP, TFTP).

Planning, Designing, Implementation of small, medium organizations including LAN, VLAN, WLAN and WAN on wired and wireless networks

Having vast experience in designing and configuring of Switches for VLANS and inter-switch communications

TECHNICAL SKILLS:

Routing: RIPV1, RIPV2, IGRP, EGIRP, OSPF, BGP, Route Filtering, Redistribution, Summarization, and Static Routing.

Switching : VLANs, VTP, STP, PVST+, RPVST+, Inter VLAN routing & Multi-Layer Switch, Ether channels, Transparent Bridging, CEF, DECF, Port Security, VSS Cisco 2960, 3560, 4500, 6500, 4900, 2900, 3750, Nexus 5000,Nexus 7000, WS-C4948, Juniper EX, QFX and Alcatel 7705 SAR

Router : Cisco 7600, 7606, 7609, 7613, 7200, 4400, 3900, 3800, 2900, 1900, ASR-901, ASR-903, ASR 5500, ASR-9010, 7206 VX, MWR 2941, Alcatel 7705 SAR,Juniper ACX, E, M, MX960 and SRX 240 series

Switches :Cisco Catalyst 6500, 4500, 3560, 3750, 2960, Nexus 7000, Nexus 6000, Nexus 5000,Juniper EX, QFX and Alcatel 7705 SAR series

Network Security : Cisco ASA5550/ 5540,NetScreen, Juniper SRX, Palo Alto, Checkpoints, AAA, Firemon, FREE RADIUS, CADA, LDAP, IPsec VPN, SSL VPN, IDS, IPS, Source Fire, Fire Eye, Cisco NAC (4.9.3), Cisco ISE, Aruba, RSA, RSA 2 Factor, SIEM, Qradar, Tripwire

Network Management : Wire shark, SNMP, Ethereal, Solar Winds, Net cool, Science Logic, Log Logic, EM7, Indeni, nCircle, PRTG, Blue Coat, Websense, Cisco NAC, ISE, Active Directory,

Operating Systems: Windows (98, ME, 2000, XP, Sv2003, Sv2008, Sv2012, Vista, 7, 8), Ubuntu, Linux, Kali Linux, CentOS, FreeBSD, Red Hat.

Softwares: VMware ESX 5.x, VMware Workstation, vCenter Server, System Center 2012 R2, MS SharePoint, C++.

WORK EXPERIENCE:

General Motors, Detroit MI Aug 14 – Present

Sr. Network Engineer

Responsibilities:

Troubleshoot and coordinate the resolution of connectivity related issues

Reviewing current network diagram

Serve as the customer’s go-to resource for all matters related to the Palo Alto next-generation firewall.

Used F-5Load balancers to increase capacity (concurrent users) and reliability of applications.

Deliver best practices guidance for managing Palo Alto Networks firewalls.

Installation, configuration and maintenance of Cisco Routers like 2600, 2800 and 3600 series.

Load balancing Virtual IPs on F5 EBL (LTM and GTM) A10 EFL (SLB and GSLB)

Ensure network design follow the design template.

Provide Tier 3 network support and troubleshooting with limited supervision.

Develop and maintain the baseline Cisco IOS. Provide upgrade instruction to the Network O&M team on new Cisco IOS. VoIP can be a benefit for reducing communication and infrastructure costs.

Installing and configuration and troubleshooting of various Cisco switches like 2900 series, 2950 series, 3550 series, Nexus 5000 and Nexus 7000 series and juniper EX series.

Client uses Saas service for Managing and processing their customer databases.

Working with carrier Ethernet technologies like L2vpn, VPLS, VPWS

Operating, administrating, managing & testing of carrier Ethernets

Configuring, troubleshooting and managing Networks of over 1000 devices by monitoring health of routers, switches and load balancers and working with team to fix any configuration or hardware issue.

Configuration and troubleshooting of various routing protocols like RIP, EIGRP and OSPF.

Configuration of layer 2 Cisco switches for VLAN and Trucking

Configuring Load Balancer viz. F5 LTM

Configuring and monitored different monitor modules F5 BIG-IP LTM F5 and DNS traffic Management

Analyze public cloud usage in terms of SaaS, PaaS and IaaS. Provide consultancy to improve cloud usage and minimize cloud based risk and cost.

Planning and implementation of IP addressing scheme using sub-netting and VLSM.

Designing Networks for voice and data networks over LAN and WAN.

Designing, Implementing and Managing WLAN Distribution Network.

Configuring of Catalyst 1900 and 2950 switches, VLAN'S and inter VLAN communication.

Working on cable modems and CMTS (cable modem Termination Systems).

Configuring Cisco BAC (Broadband access center) along with DOCSIS cable modems

Working on Wi-Fi Portfolio by Configuring and Troubleshooting Wireless Access Points (WAP) and Wireless Controllers (WLC) for limited connections issue In Wireless Local Area Network (WLAN)

Involved in originating VoIP telephone calls are similar to traditional digital telephony and involve signaling, channel setup.

Configuring user's roles and policies for authentication using Cisco NAC and monitoring the status of logged users in network using Cisco ISE.

Configuring and Troubleshooting WLC to manage ESS for the widespread Comcast WLAN.

Protocols can be used by special-purpose software, such as Jitsi, or integrated into a web page (web-based VoIP).

Implementation on Policy Base Routing (PBR)

Managing and configuring of Access lists, configuring of Wide Area Networking Protocols, HDLC, PPP, Frame Relay, ISDN, NAT, HSRP and VPN

Working on RSA, AAA, & RADIUS.

Working Troubleshooting with the TCP dumps and wire shark.

Working on System Center 2012 R2, MS SharePoint and installation and configuration of VMware infrastructure.

Configuring, maintaining and troubleshooting of Net Screen, Palo Alto, and Firemon Firewalls.

Installation, configuration, maintenance & troubleshooting of Cisco ASA 5500 and Cisco PIX Firewall 500.

Installation, configuring of checkpoints firewall and updating checkpoints software.

Configuring and designing VPN rules for Net Screen VPN Box and Check points Firewall.

Designing and Implementing firewall rules and modifying existing rules in Palo Alto, Cisco ASDM, Juniper SRX and checkpoint firewalls.

Using Ticketing tools like JIRA, Remedy, IPCenter, etc., for logging the troubleshooting issues and their resolutions.

Anthem Inc, Norfolk, VA Oct 12 – Jul 14

Sr. Network Engineer

Responsibilities:

Troubleshooting firewall and ACL related connectivity issues.

Designing, Installation and configuration on Checkpoint, ASA, Net Screen and Juniper Firewalls.

They improve the overall performance of applications by decreasing the burden on servers associated with managing and maintaining application and network sessions, as well as by performing application-specific tasks using F-5 load balancer.

Assist in identifying customer-specific requirements and provide solutions.

Answer questions about the product capabilities, features and configuration.

Assist customer team with the design and placement of Palo Alto Networks devices.

Creating, configuring, and Troubleshooting GTM WIDE IP on F5 Box.

Secure calls using standardized protocols (such as Secure Real-time Transport Protocol). Most of the difficulties of creating a secure telephone connection over traditional phone lines, such as digitizing and digital transmission, are already in place with VoIP. It is only necessary to encrypt and authenticate the existing data stream.

Develop and maintain network configuration, documentation, industry best standards and practices.

Led focused project teams in the configuration and customization of Oracle Cloud and other IaaS/SaaS applications.

Participate in technical discussions (internal and external).

Work closely with the base personnel to ensure all network devices are monitored properly.

Be familiar with Security Technical Implementation Guides (STIGS) .

Designing, Installation and configuration of ACL's and firewall Filters on Cisco and Juniper Routers.

Troubleshooting MPLS circuits, VPN and SSL VPN connectivity.

Designing, Installation and configuration of MPLS circuits, VPN and SSL VPN connections on checkpoint Firewalls, Junpier & NetScreen VPN Boxes.

Configuring IPsec VPN connections, encryption algorithms & VPN domains on checkpoint R75.

Working Troubleshooting with the TCP dumps and wire shark.

Configuring, troubleshooting and managing secure web content gateways and filters like Blue Coat and Websense.

Working on Active Directory to add users to new groups and change user's policie

Working on RSA 2 Factor, AAA & Radius

Working on IPS and IDS (source fire and fire eye)

Working on tools and devices Aruba & CADA to assign roles, policies to devices and users.

Configuring and deploying Cisco NAC & Cisco ISE

Working on Cisco NAC & ISE to authorize users based on protocols PEAP and EAP-TLS, also manage and monitor user's access privileges.

Creating, configuring, and Troubleshooting VIP's for (EBL & EFL Extranet networks) on F5 / A10networks.

Immediate troubleshooting of the alerts and applying a fix individually or escalating it to different teams for the quick resolution of the alerts without letting any Data Center and/or Servers down.

Managing and configuring Networks of 10,000+ networking devices with collaboration and support from several different Teams.

Working and completing different types of ticketing tools like JIRA, CM, SC and SR with SLA time period.

Had hand on VoIP reduced the income generated by the state owned telecommunication company

Creating databases for known errors and problems in the work.

Creating Security operation procedure manuals for different security operations for future reference and training purposes.

Preparing document manuals for the new work procedure, keeping records of work done and updating work logs and trackers.

Promoting team work by helping peers in daily work and improve the entire productivity output

NiSource, Columbus, OH Feb 11 – Oct 12

Network Engineer

Responsibilities:

To Implement Local Area Network Solutions and its remote support.

Manage Network Equipment (Cisco 3500 Router, Juniper FW SSG 550 Cisco Switches and operation of a Polycom HDX 8000 Telepresence System.

Network Troubleshooting, basic system & Network Security support 24x7.

Network Implementation solutions & support.

Configured F5 hardware load balancers to work with WebLogic Server.

Experience of VoIP allow dynamic interconnection between users on any two domains on the Internet when a user wishes to place a call.

Provided very consistence performance in CSAT and schedule adherence.

Installation, configuration and maintenance of Cisco Routers like 7600, 7200 and juniper mx series.

Had hands on VoIP systems employ session control and signaling protocols to control the signaling, set-up, and tear-down of calls

Installing and configuration and troubleshooting of various Cisco switches like Nexus 5000 and Nexus 7000 series and Juniper EX series.

Operating, administrating, managing & testing of carrier Ethernets

Installation, configuration and maintenance of Palo Alto, Cisco ASA 5500, Juniper SRX and ISG Firewalls

Troubleshooting server connectivity issues for client intranet,

Networking: TCP/IP, Troubleshooting client network connectivity in SIMS Buildings, DNS Troubleshooting, Remote Access - Virtual Private Network (VPN).

Network Security Implementation & Support.

Network Security tools like SIEM, Qradar, and EM7.

Password resets/unlocks, Giving pseudo Privileges, Providing LAN and Wan Support.

Interacting with the clients by creating tickets for the issue and dispatching to the correct queues for resolution.

Involved in the creation and closing of IMAC (Add, Move, Change Requests) tickets.

Calling back the client to check if the issue has been resolved.

Troubleshooting client Network Printers.

Configuring and supporting various SIMS Applications in Virtual Machine (VM).; Process training for new hires and mentoring them in the first few weeks of hitting the floor

Installation, configuring and troubleshooting of VMware infrastructure. Operating VMware vSphere client and vCenter Server.

Very familiar with tools/ applications like: CWM, Cisco Works, Whatsup Gold, HP Open View, MRTG

TCS, India Jun 08 – Feb 11

Network Engineer

Responsibilities:

Provide support to the customers.

Provide and maintain strong, professional relationships with the clients and customers.

Provide help in installing Internet, Security, Network, Wireless Network, Email client software, installation of Routers and basic computer troubleshooting.

Logging of calls from customers onto a database and following escalation procedures to resolve problems or issues.

Working with optical cables couplers, SONET, DWDM and ATM Networking.

To deal with local network issues like - configuring wired & wireless network, implementing security solutions by designing Firewall, VPN rules.

Working on Wi-Fi portfolio like Installing and configuring WAP, WLC's for wireless networks and managing the WLAN Ad Hoc.

Configuring and Troubleshooting Distribution Systems for WLAN connectivity.

Consistently Highest Performance & Quality Deliverables (CSAT, FCR, Quality, Paid %)

Achieved highest number of Completely Satisfied Surveys in 3 months

Received many customer Satisfaction certificate

Vendor coordination

Maintaining ITS VOICE Infrastructure.

Participating in the weekend maintenance activity.

Analyzing health check reports of their SBCs.

Creating Network Analysis documents.

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