Network Engineer Manager

Narayana Senior Network Engineer

Professional Summary:

● 8 years of experience in Networking, including hands-on experience in providing network support, installation and analysis for broad range of LAN/WAN/MAN and Wireless communication systems.

● Excellent knowledge in Routing, Switching, Firewall and Gateway technologies, system design, wireless design, data network design, capacity management and network growth.

● Hands on experience in installing, configuring, maintaining and troubleshooting Cisco Switches, Cisco Routers, Juniper EX Switches, Juniper Routers and Cisco Nexus Switches.

●Proficient in Cisco IOS for configuration & troubleshooting of routing protocols: OSPF, EIGRP, RIP, BGP.

●Installed & Configured: Cisco Routers: 7200, 3600, 2800, 2600, 2500, Catalyst Switches: 6500, 5500, 4900, 3550, and 2900s and Nexus 7K, 5K and 2K switches.

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

●Hands on experience in implementation and deploying BIG-IP F5 LTM, and Hardware load balancers for load balancing and network traffic management for business applications.

●Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability, Implementation of HSRP, VRRP for Default Gateway Redundancy.

●Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

●Expert level knowledge on OSI model and TCP/IP protocol suite.

●Worked extensively in Configuring, Monitoring and Troubleshooting Cisco ASA 5500/PIX security appliance, knowledge on Failover DMZ zoning and configuring VLANs/Routing/NATing with the firewalls as per design. Worked on Extensively on Cisco Firewalls and ASA 5500(5510/5540) Series.

●Responsible for Fortigate, Cisco ASA and Checkpoint firewall administration across our global networks. Strong knowledge of Cisco and Juniper software (IOS/SRX and JunOS) and hardware.

●Support Panorama Centralized Management for Palo alto firewall PA-5000, PA-2000 and PA3060, to centrally manage the console, configure, maintain, monitor, and update firewall core, as well as back up configuration.

●Deploying, configuring, and administering Checkpoint End Point firewalls and hands on experience with network protocols.

● Worked extensively on policy design and implementation for ISE solution various Network infrastructures for successful wireless, extranet and VPN Connectivity.

● Configuration & Maintenance of Cisco ISE for Certificate based authentication for BYOD and Corporate Mobile Device Authentication using Xenmobile MDM.

●Expert level Knowledge on working with Wireless LAN Controller’s, Cisco NCS, Cisco AP’s, LWAPS, Standalone AP’s and Mesh AP’s

●Expert level knowledge on configuring Aruba Mobility controller, Airwave, Aruba Clear pass, Cisco Prime Infrastructure.

●Knowledge on Bluecoat Proxy SG for content filtering and URL filtering.

●Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyzes results and implement and delivering solutions as an individual and as part of a team.

Technical Skills:

Cisco Routers

2800,2900, 3600, 3800, 7200, 7500 series

Cisco L2 & L3 Switches

6500,4900,4500,3850,3700,2900 series), Nexus 2k,5k & 7k

Routing Protocols

RIP, OSPF, IGRP, EIGRP, BGP

Switching Protocols

VTP, STP, RSTP, MST, VLANs, ISL, 802.1Q, Ether Channel, LACP, PAGP

Load Balancers

Cisco CSM, F5 Networks (Big-IP) LTM 8900, Cisco ACE 4710

Firewall

Cisco ASA Firewall 5505/5510/5515/5585, Palo Alto PA-5000, PA-2000 and PA-3060, Checkpoint R75/77.

Juniper Platforms

M, J and MX Series Routers

Network Security

NAT/PAT, VPN’s(Site-to-Site), IPSec, Remote Access,, IDS, IPS, IPSEC, Authentication, AAA TACACS, RADIUS, Cisco ACS 4.2 and 5.3, SSL-VPN.

Wireless Technologies

Autonomous AP’s, LWAPP, Standards 802.11A, 802.11B, 802.11G,

WLAN Controllers.

WAN Technology

Frame Relay, VPN (PPTP, L2PT, GRE) ISDN T1/E1, PPP, HDLC, ATM,

MPLS.

WAN Optimizer

Riverbed WAN, SteelHead, Meraki, Silver peak.

Cabling Technology

Cat5e, cat6 and cat7

Monitoring tools

SolarWinds, WireShark, SNMP, InfoBlox, SM and JIRA

Operating System

Windows XP,7 Ultimate/Vista, MAC OS 10.2, UNIX

Certifications:

Cisco Certified Network Associate

Cisco ID: CSCO13043767

Cisco Certified Network Professional

Cisco ID: CSCO13043767

Palo Alto Networks ACE 7.0

Will provide On Request

Education:

Bachelors in Electronics & Communication Engineering

Professional Experience:

Equinix, Sunnyvale, CA Oct 2016 - Till present

Role: Senior Network Engineer

Responsibilities:

●Working in 24x5 supports for more than 4000 hosts (Client Domain).

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

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

●Installed & Configured Cisco Routers 7200, 3600, 2800, 2600, 2500, Catalyst Switches: 6500, 5500, 4900, 3550, and 2900s and Nexus 7K, 5K and 2K switches.

●Involved in Switching Technology Administration including creating and managing VLAN's, Port security, Trunking, GLBP, STP, LAN Security, and Inter Vlan Routing.

●Performed RIP & OSPF routing protocol administration and Configured OSPF over frame relay networks from point to multipoint strategies.

●Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).

●Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path.

●Involved in conversions of WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.

●Configuring HSRP between the 3845 router pairs for Gateway redundancy for the client desktops.

●Handling new application load balancing requirements through F5 BIG-IP devices.

●Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.

●Responsible for Checkpoint firewall management and operations across our global networks.

●Working with Checkpoint Support for resolving escalated issues and replace branch hardware with new 2851 routers and 2960 switches.

●Added rules and monitored Checkpoint Firewall traffic through Smart Dashboard and smart View Tracker applications.

●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.

●Configuration and management of Nexus switch network in the existing network infrastructure.

●Experience with configuring Nexus 2k Fabric Extender (FEX) 2248, 2232 series which acts as a remote line card (module) for the Nexus 5k series.

●Designing and implementing new trace protocol compatible with legacy and SDN environment.

●Optimized forwarding engine based on network traffic controller for SDN Environments.

●Maintained complex LAN/WAN networks with several VLANS and provided support for routing protocols and also provided secure sessions over internet using IPsec and SSL encryption.

●Implementation of Site to Site VPN s with direct vendors and customers.

●Attending weekly CAB meetings and ensuring all changes were going through the change process.

●Infrastructure upgrades and new Infra deployments and managing IT Security & Disaster recovery Management

Environment: Cisco routers & switches, RIP,OSPF,BGP routing protocols, HSRP, F5 Big-IP Load balancers, Cisco ASA firewall, Checkpoint services, LAN/WAN devices, VPN.

CITADEL, New York, NY Oct 2015 – Sept 2016

Role: Network Engineer

Responsibilities:

●Installation & configuration of enterprise network connectivity between multiple branches.

●Involved in configuring Juniper routers such as MX 10, MX 40, MX 80 series and Juniper switches like EX2200, EX3300, EX3400, EX4300 series.

●Checking the network topology before the site is designed and implemented.

●Configured RIP, OSPF and Static routing on Juniper MX series routers.

●Configured VLAN, spanning tree, VSTP, SNMP on Juniper EX series switches.

●Worked with Juniper JUNOS operating system and working on M/ MX/ series routers and SRX firewall devices.

●Expertise in maintenance of layer2 switching tasks which advocate VLAN, VTP, STP, RSTP, PVST, RPVST, configuring of ether channel with LACP and PAGP along with troubleshooting of inter-VLAN routing.

●Design and deployed F5 LTM and GTM load balancer infrastructure per business needs from the ground up level and made migration on versions and devices, like F5 version from 11.3 to 11.5.3.

●Experience in F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers.

●Implemented and maintained Big-IP F5 load balancing solution (LTM and GTM) across multiple networks.

●Configured Cisco ASA 5525, 5540 &5550 series firewall to ensure high-end security on the network with ACLs and Firewall.

●Created security policy according to user’s requirement in Cisco ASA-5580, Juniper-SRX-5800&ISG-1000 firewall using CLI & GUI.

●Cisco ASA Firewall troubleshooting and policy change requests for new IP segments that either come on line or that may have been altered during various planned network changes on the network.

●Involved in providing access to user machines and partners outside our network by SSL and IPSec VPN tunneling.

●Configuring IPSec, SSL, and site to site VPN’s on Cisco ASA firewall.

●Reviews rule sets to ensure compliance policies for content Bluecoat URL filtering, specific to customer requirements for their various external and internal networks as well as affiliated partner connections.

●Manages Bluecoat Proxy appliance configuration and is NPC's proxy appliance administrator for analyzing data dealing with traffic composition, usage and throughput as well as blocking customer specified URL content.

●Developed carrier grade Ethernet test and turn up hardware and applications for large carriers and troubleshoot the IP circuits.

●Installed 3502 Wireless Access Points WAPs at various locations in the company.

●Performed day to day network operations using Remedy and HP Service Manager Tool for ticketing system and change management and developing complex network design documentation and presentations using MS VISIO.

Environment: Juniper MX & EX series routers and switches, JUNOS, RIP, OSPF routing protocols, Layer2 technologies, F5 Big-IP load balancers, Cisco ASA 5525, 5540 series firewall, Bluecoat URL, SSL VPN, IPSEC, WAPs, MS Visio.

TracFone Wireless Inc, Medley, FL Aug 2014 – Sept 2015

Role: Network Engineer

Responsibilities:

●Responsibilities included taking care of the IP Addressing in the organization which included designing new subnets based on the requirements.

●Maintained & Configured Cisco Catalyst switches2900, 3550, 3750 series switches and Cisco 2600, 2800, 3600 series routers.

●Performed RIP, OSPF, EIGRP routing protocol administration.

●Involved in the configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, and BGP.

●Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP and identifying the root cause of the issues.

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

●Assisted in Troubleshooting LAN connectivity and hardware issues.

●Experience with LAN protocols like STP, RSTP, MST, VTP, and Port Channel Protocols like LACP, PAGP, VDC, VPC, and MLAG, Implemented and designed the switched network on STP, VTP and DOT1Q in switching network.

●Created VLAN & Inter-VLAN Routing with Multiprotocol layer Switching (MPLS).

●Strong Knowledge in working with F5 Load Balancers and their Implementation in various Networks.

●Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.

●Managed the F5 BigIP GTM/LTM appliances to include writing IRules, SSL offload and everyday task of creating WIP and VIPs.

●Configure new routers for new endpoints into Palo Alto Firewalls PA-200, PA-35, PA-5K series.

●Configured IPSec tunnels with Palo Alto to enable secure transport and cloud based/site-to site VPN.

●Supported Palo Alto Panorama cloud security and worked on some troubleshooting issues.

●Extensive packet level debugging and troubleshooting on Palo Alto Firewalls to resolve numerous network issues.

●Exposure to wild fire advance malware detection using IPS feature of Palo Alto Firewall.

●Provided DMVPN services to site-to-site and remote access VPNs using IPSEC and GRE tunneling mechanisms.

●Oversaw change management process for all SSL forward proxy customer equipment.

●Planned Cisco ISE implementation and migration from Cisco ACS.

●Deploying ISE in wired environment to perform Dot1X port based authentication configure the posture policies.

●Integrating Cisco ISE with external identity store such as Windows AD, LDAP.

●Performed monthly mentoring and annual reviews for all employees.

●Analyzed and studied Client requirements to provide solutions for network design, configuration, administration and security.

●Used internal network monitoring tools to ensure network connectivity and protocol analysis tools to assess the network issues causing service disruption.

Environment: Cisco2600/2800/3600 routers, Cisco Catalyst2900/3550/3750 switches, STP, VTP and DOT1Q switching networks, OSPF, EIGRP, BGP routing protocols,F5 Load balancers, Palo Alto firewalls, SSL VPNs, IPSSEC.

CNA Financial, Chicago, IL Jan 2013 – June 2014

Role: Network Engineer

Responsibilities:

●Installed & Configured Cisco 2500, 3640, 7200, & 7940series Routers, Cisco Catalyst 4500,3850,3700,2900 series switches.

●Experience in CLI and GUI support to intrusion protection & Detection (IPS/IDS) and reporting.

●Worked on the troubleshooting techniques for protection and vulnerability assessment.

●Performed switching technology administration including VLANs, Inter-VLAN, Trunking, STP, and RSTP, Port security, LAN security and Link negotiation.

●Involved in the redistribution into OSPF on the core ASA firewall and Worked on the removal of EIGRP from all devices and making OSPF the primary routing protocol.

●Supporting EIGRP and BGP network by resolving level 2 &3 problems of internal teams & external customers of all locations, modification and removal (wherever necessary) of BGP from the MPLS protocol.

●Worked on GTM, LTM 3600 load balancers to configure Nodes, Pools and VIP’s on a need basis.

●Responsible in maintaining devices and upgrade Local Traffic Manager, ASM Application Security Manager, and Protocol Security Manager installations.

●Palo Alto installation, configuration, administration, monitoring and implementing the policies, Palo Alto, 3060, 5060, and 7050.

●Knowledge on Palo Alto design architecture and installation (Application and URL filtering, Threat Prevention, Data Filtering).

●Installed and configured DNS and DHCP server and Involved in troubleshooting of DHCP and other IP conflict problems.

●Knowledge on Frame-Relay, ATM, Protocols and managed DMVPN initiative for Global Network.

●Defined policies, NAT and anti-spoofing for internal, external networks as well as Internet gateways.

●Handled all Cisco Prime Infrastructures and mapped sites in Cisco Prime to scale, and placed access points and optimized for coverage.

●Worked on Cisco 6509 and 4507 series switches for LAN requirements that include managing VLANs, Port Security and troubleshooting LAN issues with Remedy ticketing tool.

●Testing and troubleshooting both unicast and multicast data flows.

●Ensure Network, system and data availability and integrity through preventive maintenance and upgrade.

Environment: Cisco 2500/3800/7940 routers, Cisco Catalyst switches 3700/3500/3600, LAN & WAN developments, DNS & DHCP servers, RIP, OSPF, EIGRP, BGP routing protocols and MPLS routers, F5 Load Balancer, Palo Alto firewall PA-3k,5K., Frame-Relay, DMVPN.

Reliance Communications, India Nov 2009 – Dec 2012

Role: Jr. Network Engineer

Responsibilities:

●Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, Power supply unit, Network card, Video graphics card, Hard disk controller card on PC systems.

●Created scripts to monitor CPU/Memory on various low end routers in the network

●Troubleshooting of personal computers. On line Support to customers concerning their computer problems.

●Installed and configured Cisco routers 2500, 2600, 2800, 3600 series and Cisco catalyst switches 2900, 2950, 3500, 4500 series.

●Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

●Responsible for reporting day to day operations of all associated hubs, routers, bridges, gateways and related equipment.

●Design, manage and troubleshoot RIP, OSPF routing environment comprised of multiple areas.

●Configured BGP for CE to PE route advertisement inside the lab environment

●Spearheaded meetings & discussions with team members regarding network optimization and regarding BGP issues.

●Worked on Layer 2 protocols such as STP, VTP and other VLAN troubleshooting issues and configuring switches from scratch and deployment.

●Provided Load Balancing towards access layer from core layer using F5 Network Load Balancers.

●Monitoring the network, troubleshooting network problems, implementing changes, communicating and working closely with vendors, customers, system administrators.

●Plans, coordinates, implements and supports the LAN / WAN hardware, software and Internet /Intranet integration network connectivity, diagnose network failures and resolve any problems.

●Monitor, improve, and support all aspects of network monitoring tool using WireShark.

●Maintained and installed new internet connections for customers and Installed and maintained local printer as well as network printers.

●Validate existing infrastructure and recommend new network designs.

●Handled installation of Windows NT Server and Windows NT Workstations.

●Used various scanning and sniffing tools like Wire-shark.

Environment: Cisco 2800, 3600 series routers, Cisco 4500, 3500, STP and VTP Layer 2 protocols and TSHOOT issues, LAN/WAN technologies, WireShark.

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