Network Engineer Cisco

Hemin Dalal

609-***-**** **********@*****.***

Professional Summary:

Over 8 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.

Good knowledge in configuring and troubleshooting Exterior Gateway protocols such as BGPv4 including internal BGP (iBGP) and external BGP (eBGP).

Extensive knowledge of WAN technologies such as T1, T3, DS3, OCx, SDH, SONET, LTE, Fiber and Frame relay, Firewalls, Switches, Routers, load balancers, VoIP and wireless technologies of different vendors.

Strong hands-on experience on Cisco Catalyst (series 3850, 3560, 4500, 6500), Cisco Nexus (series 2K, 5K, 7K), Cisco Routers (series 7300, 4000, 3800, ASR 9000), Firepower (4100), Load Balancers (citrix NetScaler, Cisco ACE, F5 BIG-IP LTM/GTM ADC), IDS/IPS (HIDS, NIDS, NIPS, HIPS), Fire eye, Splunk, Palo Alto Networks Firewalls (PA-820, series PA-3K, 5K), Checkpoint IP Appliances (NXG R60, R70, 3100, 5900).

Hands on experience in configuring high end routers like GSR 12000 series, 7500 series and Catalyst Switches like 7600, 6500, 4500 series. Extensive experience in upgrade, backup and password recovery of Cisco IOS.

Experience in working with Cisco Nexus Switches like 5000 and 7000 series and Virtual Port-Channel configuration. Implemented VDC, VPC, VRF and OTV on the Nexus 5505 and 7009 switches.

Expertise in installing, configuring and troubleshooting Juniper Switches (series EX3300, EX4200, EX4600), Juniper Routers (series J, M and T) and Juniper series SRX Firewalls, Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1. Experience deploying ACI in Network-Centric model.

Proficient in monitoring and managing networks using SolarWinds NetFlow Traffic Analyzer, Network Performance Monitor (NPM), Network Configuration Manager (NCM); Cisco Prime, Security Device Manager (SDM), Cisco Works; Infoblox, HP OpenView and Wireshark.

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+).

Thorough experience in configuring Virtual Local Area Networks (VLAN) with IEEE 802.1Q, VLAN trunking protocol (VTP), shortest path bridging, Multiple VLAN Registration Protocol and VLAN Cross Connect (CC).

Experience in troubleshooting both connectivity issues and hardware problems on Cisco based networks.

Experience in testing Cisco routers and switches in lab scenarios and deploy on site for production.

Good knowledge of IPv4 and IPv6 Addressing, IP Sub netting, Fixed Length and Variable Length Subnet Masking (VLSM), OSI and TCP/IP models. Experience in migration of IPv4 addresses to IPv6 addresses using mechanisms like Tunnel Broker, Transport Relay Translation (TRT), In-depth knowledge and hands-on experience in Tier II ISP Routing Policies, Network Architecture, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3, SONET POS OCX/ GigE circuits.

Configured and maintained Quality of Service (QoS) protocols (SIP, SRTP, SDP, IAX) on VoIP along with PBX servers, VoIP Gateways and Cloud based PBX servers, Active Directory Database.

As a change implantation team member, worked on change management lifecycle from creating a change in draft state to planning, assessment, designing work instructions, getting approvals from respective groups, implementing successful changes and closing in timely manner in ServiceNow.

In-Depth Knowledge and experience of various wireless 802.11 standards, controllers, Access Points, Wi-Fi analytics from various vendors (Cisco Meraki, HPE /Aruba, D-Link and Net gear), SD-WAN (MX 65, MX100, MX400).

Implemented and maintained Sourcefire intrusion detection/ prevention (IDS/IPS) system and hardened protection standards, IDS/IPS signatures on Firewall for Fine-tuning of TCP and UDP services.

Worked on Cisco Firewalls Cisco ASA 5500(5510/5540) Series and Checkpoint R75, 76, NGX R70 Firewalls.

Implemented traffic filters using standard and extended access-lists, distribute-lists and route maps.

Provided support that included resolving day-to-day operational issues with tickets generated by a server.

Good understanding of SNMP, IP SLA and Network Monitoring with experience in tools like PRTG.

Deployed, Managed, monitored and supported Bluecoat Proxy for content filtering, internet access between sites and VPN client users, forward proxy scenario and reverse proxy scenario for security and also worked on adding URL's in Bluecoat Proxy SG's for URL filtering.

Experience in troubleshooting a variety of problems. Streamlined and improved process to be quicker to market, ensured compliance and optimized operational efficiency. Identified opportunities for continued improvements of process to ensure maximum output in focus to deadlines.

Technical Skills:

Router and VoIP Platforms

Cisco Routers series 7300, 4000, 3800, 2000, 1900; Juniper T4000, MX10, MX40, ACX2200, ACX5000; OnSIP, Avaya products, cisco IP phones

Routing Fundamentals and Protocols

Routed and Routing protocols RIP, EIGRP, IS-IS, OSPF, BGP, IPX; MPLS, IPv4 and IPv6 addressing, subnetting, VLSM, Static routing, ICMP, ARP, HSRP, VRRP, Route Filtering, Multicast, 802.11, Policy Based Routing, Redistribution, Port forwarding

Switch Platforms

Cisco Catalyst series 2960, series 3560, 3850, 4500, 6500, 7000; Nexus series 2K,

5K, 7K; Nortel/Avaya 5510, 5520; Juniper EX3300, EX4600, EX4300, EX3400

Switching Fundamentals and Protocols

Ethernet technologies, LAN networks, MAC, VLAN and VTP, STP, PVST+, Multicast,

RSTP, Multi-Layer Switching, 802.1Q, EtherChannel, PAgP, LACP, CDP, HDLC, RARP

Firewall Platforms

Juniper Netscreen 6500, 6000, 5400, Juniper SSG, SRX5600, SRX5800, CheckPoint (NGX R65, 3100, 5100, 5900), Cisco Firewalls (ASA 5505, 5506-X, 5585), Palo Alto Networks (PA series 2K, 3K and 5K), WAF,ACI.

Security Protocols

Standard and Extended ACLs, IPsec, VPN, Port-security, SSH, SSL, IKE, AAA, Prefix-lists, Zone-Based Firewalls, NAT/PAT, HIPAA standards, Ingress & Egress Firewall Design, Content Filtering, Load Balancing, IDS/IPS, URL Filtering, L2F, IDS, TCP Intercept, Router Security, SNMP trap

Network Management and Monitoring

Wireshark, Infoblox, HP OpenView, Cisco Prime, Security Device Manager (SDM), Cisco Works; TCP Dump and Sniffer; SolarWinds NetFlow Traffic Analyzer, Network Performance Monitor (NPM), Network Configuration Manager (NCM), Sevone, Sitescope.

Load Balancers

F5 (BIG-IP) LTM 2000, 3900, 6400, 6800, AV 510, ASM, citrix NetScaler, APM

WAN technologies

Frame-Relay, ISDN, ATM, MPLS, PPP, DS1, DS3, OC3, T1 /T3 lines, SONET OC3-OC192, SDH, POS, PDH

Cloud Computing and Automation

AWS, Microsoft Azure, Cisco Meraki, C#, Python scripting, Ansible, Cloud Migration

Other Networking Protocols and Fundamentals

DHCP and DNS server, Active Directory Management, NTP, NDP, TCP, UDP, FCP, Network Implementation, Troubleshooting techniques, NHRP, NetBIOS, NFS, FTP, TFTP, HTTP, PAP, PPTP, SIP Trunking, SNMP logging, BitTorrent, SMTP, RADIUS and TACAS+, PBX servers, SDN, SAN

Operating Systems

Windows 10/7/XP, MAC OS, Windows Server, Nexus OS, Cisco IOS-XR,Linux, UNIX

Wireless Technologies

Canopy Wireless Devices, D-Link Point-to-point Wireless, D-Link APs, CISCO 1200 series APs, Aruba wireless and APs, Cisco Meraki, Linksys Wireless/Wi-Fi Routers

Microsoft Office

Visio, Excel, PowerPoint, Word

Change Management

ServiceNow

Summary of Professional Experience

Thomson Reuters Network Engineer Dec 2017 - Present

Aurora Healthcare Sr. Network Engineer Apr 2016 – Oct 2017

General Electric Network Engineer May 2014 – Mar 2016

ETollware Network Engineer Jan 2013 – Apr 2014

RamyInfo Tech Network Engineer Sep 2011 – Dec 2012

Wipro, India Network Engineer Jul 2010 – Aug 2011

Professional Experience:

Thomson Reuters, Eagan,MN Dec 2017 - Present

Network Engineer

Responsibilities:

Performing the ACL requests change for various clients by source and destination information provided and researched by detailed discovery process. Providing Technical Support and solutions for Network Problems.

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

Worked extensively on Cisco ASA 5500 (5510/5540) Series, experience in configuring and supporting site-to-site and remote access Cisco, IPsec, VPN solutions using ASA firewalls, Cisco and VPN client

Understanding of different data center environments of company. Supporting EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations.

Performing troubleshooting on slow network connectivity issues, routing issues that involves OSPF, BGP, static routing and policy based routing and identifying the root cause of the issues. Configuration with OSPF and catalyst switches with various VLAN.

Create and test Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.

Worked on Providing Network connectivity between company application servers to different client servers using company applications and third party data centers, company networks relying in to different countries. Performed troubleshooting on site-site VPN connectivity to allow access to application server subnets in encryption domain..

Experience working in ServiceNoW, Worked in a change management team-planning, implementing or supporting minor, moderate and major changes on company WAN and LAN infrastructure.

Creating change in ServiceNow in timely manner with consideration of matching lead period time, change type, and scheduling changes in appropriate time windows without any conflicts.

Performing Peer review and providing approvals to changes, creating and soling service catalogue requests (RITM) in ServiceNow.

As a change implantation team member, worked on change management lifecycle from creating a change in draft state to planning, assessment, designing work instructions, getting approvals from respective groups, implementing successful changes and closing in timely manner in ServiceNow..

Worked on BIGIP F5 LTM, GTM . Worked with proximity teams, change and support teams for initial build of F5 BIGIP load balancers to catalyst switches. configuration of SNMP servers, DNS servers, NTP servers on BIGIP F5 Load balancers(LTM,GTM).

Worked on number of sites for implementing new and troubleshooting existing site-site VPN connectivity for company clients and company internal networks.

Allocation of IP address, DNS resolution, DHCP, and IP address management in Infoblox.

Worked on various softwares like RoyalTS, Putty, SecureCRT. Also using appropriate jumpboxes to ssh devices in different company environment and location base.

Good Understanding on company tools Banana, Zipper, HPNA, Tech library, The HUB, and fetch etc.

working with Checkpoint firewall in SMA environment, and juniper SRX firewall, Palo Alto Firewall.

Cisco switches (Catalyst 3k,4k,6k and Nexus 5k, 7k), Cisco routers (ASR, ISR), Cisco CSS Load balancers.

Assisted in the creation of networks for outsourced enterprise IT department. Cabling, network administration including TCP/IP and subnetting architecture. Remote desktop support for clients.

Worked on Network monitoring tools like Sitescope, Sevone. Adding Configuration items(CI) records in Servicenow, creating and up-gradating new SSL certificates, creating DNS A-record requests. performing OAT of devices, active directory database.

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Environments: Cisco switches (Catalyst 3k,4k,6k and Nexus 5k, 7k), Cisco routers (ASR, ISR), Cisco CSS Load balancers, BIGIP F5 LTM, GTM, Palo alto, Cisco ASA, Checkpoint firewall, Juniper SRX, ServiceNow, Chang management, IPSec VPN, site-site VPN, sitescope, Infoblox, sevone, IP Subnetting, RoyalTS, Putty, SecureCRT, Banana, Zipper, HPNA, Tech library, The HUB, Fetch.

Aurora Healthcare, Milwaukee, WI Apr 2016 – Oct 2017

Sr Network Engineer

Responsibilities:

Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.).

Involved in Switching Technology Administration including creating and managing VLANS’s, Port security, Trunking, STP, Inter Vlan routing, LAN security etc.

Implemented with Cisco Layer 3 switches 3750, 4500, 6500, Cisco CSS 11500 Series Content Services Switch in multi VLAN environment with the use of inter-VLAN routing, HSRP, ISL trunk, ether channel.

Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN. Supporting project test teams in analyzing the bandwidth utilization.

Implementing the necessary changes such as adding, moving and changing as per the requirements of business lines in a data center environment.

Configure Amazon Web Services (AWS) F5 ASM to protect block chain cloud applications.

Experience performing phased migrations of traditional data centers to ACI model.

Monitoring the network traffic with the help of Qradar and Cisco IPS event viewer.

Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design

Configure all Checkpoint, Palo Alto Networks Firewall models (PA-2k, PA-3k, PA-5k etc.) as well as a centralized management system (Panorama) to manage large scale Firewall deployments.

Implementing and troubleshooting (on-call) IPSec VPNs for various business lines and making sure everything is in place. Implementing IPSec and GRE tunnels in VPN technology. Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.

Installation, configuration and maintenance of Mail server, FTP server, NFS, NIS, LDAP and servers on Sun Solaris, and Linux platforms. Extensive experience in developing Unix shell scripts.

Implementing network services such as DNS, IP address, firewall and routing as a Infrastructure as a Service (IAAS) in Public Cloud.

Performed advanced APM policy design and implementation (incl. VPN, WebTop, SAML, 2-factor Auth, user attribute resource mapping)

Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the Organization.

Worked as a part of data center deployment where we converted from Cisco 6500 to Nexus.

Experience configuring VPC(Virtual Port Channel), VDC(Virtual Device Context) in Nexus 7010/7018

Experience with configuring FCOE using Cisco nexus 5548

Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000 to connect servers and storage devices.

Advanced implementation and consultation on all F5 Networks ADC BIGIP platform network modules (incl. LTM, GTM, AFM, ASM, APM)

Knowledge of ACI Integration with VMware, firewalls & load balancers and application gateways.

Worked primarily as a part of the security team and daily tasks included firewall rule analysis, rule modification and administration. Experience in working with designing, installing and troubleshooting of Palo Alto firewalls.

Configuring & managing around 500+ Network &Security Devices that includes Juniper SRX Firewalls, F5 BigIP Load balancers and Nexus Devices. Experience working with JUNOS OSon Juniper Routers and Switches.

Adding and removing checkpoint firewall policies based on the requirements of various project requirements.

Experience with Firewall Administration, Rule Analysis, Rule Modification

Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.

Design and Architecture of F5 LTM, GTM, APM, ASM and application delivery network.

Responsible for Cisco ASA firewall administration across the network.Installing & rebuilding IP appliances, checkpoint appliances. Configuring & troubleshooting Checkpoint ClusterXL& VRRP

Monitored and managed networks using CiscoWorks tools and Wireshark

Experience with Cisco IOS, Cisco ACI, F5. Strong understanding in cloud,managing systems and networks in an AWS environment.

Installing, configuring Cisco Catalyst switches 6500, 3750 & 3550 series,Access control lists, Configured Frame-Relay, ISDN, ATM, load balancing switches and also configured IPX/SPX, HDLC, PPP, BGP, EIGRP, OSPF and VRRP on various sites. Implemented antivirus and web filtering on Juniper SRX 240 at the web server.

Worked on NNMI, Infoblox, e-health monitoring tools.

Setup simplified and traditional VPN communities, and Cisco Any connect

Support customer with the configuration and maintenance of ASA firewall systems. Troubleshooting of protocol based policies on Palo Alto firewalls and changing the policies as per the requirement and as per traffic flow.

Experience with F5 load balancers and Cisco load balancers (CSM, ACE and GSS).

24x7 on-call escalation support as part of the security operations team.

Working configuration of new VLANs and extension of existing VLANs on/to the necessary equipment to have connectivity between two different data centers.

Managing and providing support to various project teams with regards to the addition of new equipment such as routers switches and firewalls to the DMZs.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960 6500 switches and Cisco 3640/12000/7200/ 3845/3600/2800 routers, Cisco Nexus 7K/5K, Cisco ASA 500, Infoblox,Checkpoint, CiscoWorks tools, Wireshark windows server 2003/2008: F5 BIGIP LTM,ASM,APM, RIP, OSPF, BGP, EIGRP, LAN, WAN, VPN, HSRP

GE, Atlanta, GA May 2014 – Mar 2016

Network Engineer

Responsibilities:

Configured L2 and L3 security features on devices

Experience with design and implementation of Virtual Switching System (VSS) on 6500 Switches

Manage a very large DNS environment using Lucent QIP and manual management of DNS for DMZ/External servers broad Hands on Experience in Inter-vlan routing, redistribution, access-lists and dynamic NAT

Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience

Defining the application security class in the associate that to the local traffic pool in ASM, APM.

Experience deploying ACI in Network-Centric model, Data center Architecture; SDN/ACI.

Worked on Extensively on Cisco Firewalls, Cisco PIX (506E/515E/525/) & ASA 5500(5510/5540) Series.

Experience CSM, F5 (LTM) Load balancers to provide efficient switching and routing for local and global traffic.

Implemented many number of security policy rules and NAT policy rules on Palo Alto, created Zones, Implemented Palo Alto Firewall interface, Palo Alto IDS and VLAN.

Configured RIP, OSPF and Static routing on Juniper M and MX series Routers

Installation, configuration and OS upgrade of Sun Solaris 8, 9, 10 and Red hat Linux.

Configured VLAN, Spanning tree, VSTP, SNMP on Juniper EX series switches

Designed and implemented remote dial up solution for clients

Increasing business speed, agility, and efficiency by taking charge of core network and security using Infoblox.

Experience with Cisco security technologies IPS, ASA, ACI.

Installed and configured workstations for IP based LAN’s

Created many security policies depends on the requirement using Deployment wizard in ASM

Worked, managed and maintained LAN networks, VLANs and database, Port Security on Nortel 5510, 5520; Cisco Catalyst 3850, 4500 and 6500 switches and implemented VDC, VPC, and OTV on Nexus 5k and 7k switches, Reviewing & creating the FW rules and monitoring logs as per the security standards in Palo Alto FW.

Worked with Juniper SRX550 and Palo-alto Next-Gen PA-5000 Firewalls implementing and managing NAT, IPsec, site-to-site and remote VPNs, advanced inspection, anti-spoofing and AAA policies

Monitored network and provided analysis, improvement scopes & support using monitoring tools as Wireshark, SolarWinds Performance Monitor and coordinated with off-shore support teams to ensure flawless operations

Implemented VoIP solutions using SIP & H.323 for Cisco routers 2851 and also practiced sound knowledge of Avaya VoIP products. Design and Architecture of F5 LTM, GTM, APM, ASM and application delivery network.

Securing the applications from threats by offloading the SSL in ASM..

Designed and implemented Aruba wireless infrastructure to ensure full connectivity and continuous service.

Configured and managed with Aruba/cisco wireless access points 205 series supporting 802.11 ac

Set Aruba Access to link distribution switch system and then to WLAN controller

Worked hand-in-hand with different vendors for company products, solutions and performance

Configuring Virtual Device Context in Nexus 7010 and Worked on Network support, implementation related internal projects for establishing connectivity between the various field offices and data centers

Coordinated with a team to upgrade network by changing primary routing protocol to OSPF from EIGRP and Participated in the modification of BGP from multiple MPLS powered routers

Contributed in implementation and configuration of F5 BIG-IP LTM-6400 load balancers, redistribution into OSPF on the core ASA firewall, Working with Checkpoint Support for resolving escalated issues.

Installed and configured DHCP Client/Server

Installing and configuring switching technologies (STP, VPC, FabricPath, ACI, etc)

Implementation Route redundancy protocols like HSRP,VRRP,GLBP

Configured and managed networks using L3 protocols like RIPv2,

Configured VLANs, Private VLANs, VTP and Trunking on switches.

Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details Developed Automated reports from shell script as per Client requirement.

Configuration of Access List ACL (STD, Ext, Named) to allow users all over the company to access different applications and blocking others.

Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.

Efficient in cabling as per co-location contracts with loop-back testing, including all DS1, DS3, T1, T3, CAT 6 and CAT 5 connections as per defined cabling procedures

Environment: VSS, DNS, NAT, Cisco ASA, VPN, Checkpoint, Cisco Firewalls, Cisco PIX, F5 (LTM),ASM,APM, Load balancers, RIP, OSPF, Juniper, VSTP, SNMP, Infoblox, VLANs, Port Security, VDC, VPC, OTV, Nexus 5k,7k, Juniper SRX550, Palo-alto, IPsec, Wireshark, SolarWinds, VoIP, Aruba, 802.11, WLAN, EIGRP, BGP, DHCP, HSRP,VRRP,GLBP, VTP, ACL,WAN, DS1, DS3, T1, T3, CAT 6 and CAT 5 connections.,Aruba.

ETollware, Aurora, CO Jan 2013 – Apr 2014

Network Engineer

Responsibilities:

Assisted in troubleshooting LAN connectivity and hardware issues in the network of 500 hosts.

Performed 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 router 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. Support services to reduce the downtime on leased lines.

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

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

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 issue Other responsibilities included documentation and support other teams

Designed and Implemented plan for migration from existing Catalyst switches to Nexus and configured NX-OS Virtual Port Channels, Nexus port profiles, Nexus VPC peer links on Nexus 5k and 7k

Acquitted with Cisco Meraki for Cisco Wireless devices Monitoring, managing and troubleshooting Cisco Wireless devices using Cisco Meraki. Experience in administering and supporting cloud

Creating individualized configurations for Juniper and Cisco routers to make changes to meet new standards

Cisco ASA/Checkpoint, Palo Alto 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.

Supported and executed migration to F5 BIG-IP LTM/GTM ADC, ASM, APM Appliances from Citrix NetScaler

Participated in the installation, configuration, and post installation routine operational tasks and configuration of the Cisco Nexus Switches. Worked with JunOS maintaining Juniper EX4600, EX3400, EX4300 series switches and ACX1000 router to maintain some sites and stations

Support on a daily basis, the team goal of becoming a software, programmable network w greater automation and use of Network Behavioral Analytics, and Public Cloud to augment internal, core network.

Worked with Host Master for shared web hosting and managed Web Application firewall (WAF), DNS and DHCP management using Infoblox and Analyzed networks using Wireshark

Worked with Nagios for monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH)

Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA and NAC solutions .Performed Load balancing F5 BIG-IP LTM ADC 6400, ASM, APM, Cisco ACE 4710.

Configured OSPF over frame relay networks for NBMA and 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

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

Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.

Modified internal infrastructure by adding switches to support server farms and added servers to existing DMZ environments to support new and existing application platforms.

Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models of Cisco routers to facilitate adding new business partners to new and existing infrastructures.

Responsible for Checkpoint, ASA, Palo Alto Firewall management and operations across global networks.

Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope.

Monitoring and troubleshooting Juniper SRX210/650, EX4200/4500/8200 series device. Configured Juniper EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design

Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits. Configuring, Maintaining the Routers and Switches and Implementation of RIP, EIGRP, OSPF, BGP routing protocols and trouble shooting. Responsible for implementing QOS parameter on switching configuration.

Experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.

Involved in Design and Implementation of complex networks related to extranet clients.

Troubleshooting the N/W Routing protocols (BGP, EIGRP and OSPF) in Migrations and new client connections.

Manage operational monitoring of equipment capacity/utilization and evaluate the need for upgrades; develop methods for gathering data needed to monitor hardware, software, and communications network performance.

Worked towards the key areas of the project to meet SLA’s and to ensure business continuity. Involved in meetings with engineering teams to prepare the configurations according to the requirement.

Creating change tickets according to the scheduled network changes and implementing the changes.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer Cisco Nexus7K/5K,Checkpoint,Cisco ASA, Nexus 5k and 7k, NX-OS, Meraki, BIG-IP, LTM/GTM, ADC, ASM, APM Citrix NetScaler, Juniper EX4600, EX3400, EX4300, ACX1000, JunOS, Infoblox, DNS, DHCP,Web Application firewall (WAF), POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH, Wireshark, NAC, Cisco ACE 4710, OSPF,Frame Relay, MPLS, BGP,VLAN, IPSec, QOS,RIP.

RamyInfo Tech, Chennai, India Sep 2011 – Dec 2012

Network Engineer

Responsibilities:

Configuring and troubleshooting multi-customer network environment.

Involved in network monitoring, alarm notification and acknowledgement.

Implementing new/changing existing data networks for various projects as per the requirement.

Troubleshooting complex networks layer 1, 2to layer 3 (routing with MPLS, BGP, EIGRP, OSPF protocols) technical issues.

Providing support to networks containing more than 2000 Cisco devices.

Performing troubleshooting for IOS related bugs by analyzing past history and related notes.

Carrying out documentation for tracking network issue symptoms and large scale technical escalations.

Managing the service request tickets within the phases of troubleshooting, maintenance, upgrades, fixes, patches and providing all-round technical support.

Commissioning and Decommissioning of the MPLS circuits for

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