SUMMARY:

• CCNA CCNP CERTIFIED professional with A round 6 plus years of experience in network design, implementation, and support. Routing, switching, firewall technologies, system design, implementation and troubleshooting of complex network systems.
• Provided services in many industries such as Consulting, Telecommunications and IT Infrastructure. Specializing in LAN, WAN, WLAN, and Data Center networks
• Extensive knowledge with VLAN’s, Trunking, RSTP, SNMP, Ether Channels, HSRP, Port Security, ACL’s, QoS, Traffic Policing, Shaping, EIGRP, OSPF, NAT, PAT, Inspections, VPN’s, DHCP, Wireshark etc.
• Expertise in configuring and troubleshooting of Palo Alto, Juniper NetScreen& SRX Firewalls and their implementation, Experience in site - to-site and remote access VPN solutions.
• Experience working with Nexus 7K, 5K and 2K.
• Experience on Intrusion Detection & Prevention ( IDS / IPS ), Data Leakage Prevention ( DLP ), Security Information and Event Management ( SIEM ).
• Has expertise to work in Cisco/Checkpoint/Juniper/F5/Riverbed Products.
• Experienced in creating multiple policies and pushing them in to Checkpoint Firewall (Gateways) and hands on experience in managing the Checkpoint Management Server.
• Experienced in maintaining huge datacenters with Heterogeneous environment.
• Implemented multiple Cisco Nexus based Data-Center environments, as well as 6500/4500/3750 series switches, 7200/3900/2900/1900 series router. Multiple data center migrations and transformation projects, with great expertise on Wireshark.
• Worked on network topologies and configurations, TCP/IP, UDP, Frame Relay, ATM, bridges, routers, hubs and switches.
• Hands on Knowledge/experience on F5 load balancers, its methods, implementation and troubleshooting on LTMs and GTMs.
• Worked extensively on Palo Alto, Juniper Net screen and SRX Firewalls.
• Working on ASA (5505/5510) Firewalls .
• Well experienced in configuring HSRP, GLBP, ICMP, PPP, PAP, OSPF, CHAP and SNMP.
• Experience in installing and configuring DNS, DHCP server
• Expertise in installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800)
• Expertise in installing, configuring and troubleshooting Juniper Routers ( J, M and MX-series)
• Configuration of Cisco wireless technology including Wireless LAN Control ( WLC ).
• In-depth knowledge and hands-on experience in ISP Routing Policies, Network Architecture, IP Sub netting, VLSM, TCP/IP, NAT, DHCP, DNS, FT1 / T1 / FT3 / T3 SONET POS OCX / GigE circuits, Firewalls.
• Cisco Identity Services Engine (ISE) to simplify identity management across diverse devices and applications.
• Designing experience with MS Visio, Whiteboard, AutoCAD etc.
• Experience on AWS services, VPC creation, Security rule configuration, DR, AWS DWH platforms.
• Experience with RTSP & Multicasting protocols
• Extensive experience dealing with Vendors for MPLS/DSL installations.
• Worked with Red Hat Enterprise Linux with virtual servers using VMware
• Troubleshooting complex datacenter environment, resolved many critical Severity 1 incidents.
• Deployed and decommissioned Cisco switches and their respective software upgrades
• Have hands on experience with trouble shooting and configure terminal servers.
• Monitoring Network infrastructure using SNMP tools, Opnet, NetSight and Solar-winds.
• Troubleshooting and repair of local area network outages using Telnet, Sniffer, Ping, Trace Route and CLI.
• Have been proactive in identifying areas of breakdowns/Blockers and taking steps to rectify the equipment’s issues through application of troubleshooting tools.
• Configured dynamic ACL and streamlined access with ACS.
• Maintained Cisco catalyst switches and configured VLAN's for readdressing entire enterprise network.
• Created and tested Cisco router and switching operations using OSPF routing protocol, ASA Firewalls, and MPLS switching for stable VPNs.
• Adept knowledge in preparing technical documentation and presentations using Microsoft Visio/ Office.
• Experience in AWS Networking - Direct connect/VPC NACLs, security groups etc.
• Ability to implement Cloud Solutions on AWS utilizing EC2, S3, IAM, ECS, RDS.
• Developed continuous integration pipeline using Jenkins and developed various python scripts for deploying the applications on the AWS cloud and on-premises VMware Infrastructure.
• Wrote Ansible playbooks with Python SSH as a wrapper to manage configurations and the test playbooks on AWS instances using Python.
• Support for all other AWS products such as RDS, Route53 (w), Cloud Trail, Elastic cache, Lambda and Amazon Kinesis.
• Provided deep application-aware network visibility and granular performance analytics that empower network administrators to rapidly isolate and remediate problems and improve the user experience using Cisco Prime
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Highly motivated with the ability to work independently or as an integral part of a team and committed to highest levels of professionalism.

TECHNICAL SKILLS:

Routers: Routers (1700, 1800, 2500, 2600, 3200, 3600, 3700, 3800, and 7200), Cisco ASR (1000 & 9000 Series)

Switches: Cisco L2 & L3 Switches (2900, 3560, 4500, 5000 & 6500), Cisco Nexus(7K, 5K, 2K & 1K), Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), ASA, PIX, FWSM, Netscreen

JUNIPER Platforms: SRX, MX, EX Series Routers and Switches

LAN Technologies: Ethernet, Fast Ethernet, Gigabit Ethernet, & 10 Gigabit Ethernet, Port- channel, VLANS, VTP, STP, RSTP, 802.1Q

WAN Technologies: Frame Relay, ATM, ISDN, PPP, HDLC, MPLS, leased lines & exposure to PPP, DS1, DS3, OC3, T1 / T3 & SONET, Riverbed Steelhead

Firewalls: Firewalls/VPNs ASA, PIX, Cisco VPN 3000 Series Concentrator

OS products/Services: DNS, DHCP, Windows (2000/2003, XP), UNIX, LINUX, Microsoft SQL Server 2000 and 2005, VMware.

Protocols/Services: Routing Protocols (RIP v1 & v2, IGRP, OSPF, EIGRP, BGP), QoS, HSRP, VRRP, TCP/IP, load balancer, Proxy servers, IPSec, MPLS, PPP, VoIP, SIP, H.323

Network Management Tools: Wireshark, Netflow Analyzer, HP OpenView, Cisco Works, Ethereal, OPNET, Solarwinds, Cisco ISE, NetSight

Security Server Protocols: TACACS+, RADIUS

PROFESSIONAL EXPERIENCE:

Confidential, Columbia, MO

Sr. Network Engineer

Responsibilities:

• Work ing on Cisco Routers, Active /Passive Hubs, Switches, Concentrators TCP /IP, NAT and Checkpoint ESX / GSX firewall
• Troubleshooting, configuring & installing distribution, access level switches and ISR routers, upgrading network setups for LLD upgrades
• Configuring of checkpoint security gateway & management server and working on checkpoint firewalls clusters of both high-Availability and Load-Sharing
• Involved in design and implementation of data center migration, upgraded the data center network environment with Cisco ASA 5520. Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Working on Cisco Security Gateway appliances
• Responsible for configuration, maintenance, and troubleshooting of dynamic routing protocols: BGP, OSPF & EIGRP (route redistribution, distribute lists, route-maps, offset-lists, prefix lists, route summarization, route-feedback, BGP attributes) on Cisco Routers 7613, 7201, and 3945E.
• Working knowledge of frame relay, MPLS services, OSPF, BGP and EIGRP routing protocols, NAT’ing, NAC product sub-netting, also including DNS, LDAP, DHCP, http, HTML, HTTPS, TCP/IP, UDP, SNMP, OSPF, RIP, IPSEC, PPTP, VLAN, STP (Spanning tree Protocol), RTSP & Multicasting protocols
• Experience with design and implementation of Data centre migration.
• Installed, configured and managed Cisco routers such as 7200 series, 3800 series, 3700 series, 2800 series and Cisco Catalyst switch series 6500, 4500, 3500, and 2900.
• Upgraded the data center network environment with Cisco ASA 5520.
• Configured ACL’s on Cisco Switches as well as configured routers as terminal servers.
• Experience with Server Administration using Linux
• Converted existing AWS infrastructure to server less architecture with AWS (Lambda, Kinesis) deployed via Terraform and AWS Cloud Formation.
• Experience working with Microsoft, VMware, Citrix, SolarWinds, Active Directory, Share point, SAN/NAS and related technology.
• Implementing 3750 Stackable switches using Cisco Stack Wise technology. Experience to review, evaluate current and future design issues as required maintaining network integrity, efficient data flow.
• Cisco Identity Services Engine (ISE) to enable the creation and enforcement of security and access policies for endpoint devices connected to the company’s routers and switches.
• Working on Layer 2 protocols such as STP, VTP, STP, RSTP, PVSTP+, MST and other VLAN troubleshooting issues and configuring switches from scratch and deployment
• Involved in designing and implementing QOS and policy map to 2800 series routers for all the branches
• Connect workstation, servers, etc. Rack and stack Pre-configured new hardware and connect the circuits. Working with Carrier to test and turn-up circuits.
• Configured Cisco Wireless LAN Controller ( WLC ) 5500, 4400 series and Lightweight Access point.
• Configured Wireless LAN FlexConnect and worked extensively on Flex 7500.
• Used Cisco 5520 Wireless Controller to Support centralized, distributed, and mesh deployments
• Involved in operations and administration of WAN consisting Ethernet Handoffs, T1, DS3, and Optic Fiber Handoffs.
• Performed data migration from on premises environments into AWS.
• Working with event-driven and scheduled AWS Lambda functions to trigger various AWS resources.
• Supported EIGRP and BGP based on the network by resolving level 2 & 3 problems of internal teams & external customers of all locations
• Installed & Troubleshooted layer 2 and 3 issues on Brocade routers and switches
• Experience with Racking, Stacking, configuring, Nexus 5K and 2K and 7K.
• Installed wireless access points (WAP) at various locations in the company.
• Actively involved in switching technology Administration including creating and managing VLANS, Port security - 802.1x, Trunking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009.
• Perform various scheduled maintenance tasks across numerous platforms and datacenters such as building VLANs and configuring switch ports on Cisco, Brocade
• Worked on configuration and commissioning of the MPLS circuits for various branch offices.
• Provided Daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.
• Infrastructure Upgrades. Implemented an onsite Greenway EMR application hosted on Dell Compellent SAN storage that contained four physical VMWare ESXI 5.1 servers running in a cluster environment.
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 authentication, and HSRP authentication.
• Handled Network capacity planning, modeling, and traffic optimization and experience in using tools (OPnet, Netflow, etc.).
• Configured ACL’s in Cisco 5520 ASA firewall for internet Access requests for servers, Protocol Handling, Object Grouping and NAT
• Responsible for Data Center Migrations and its operations including the change from 6500 switches to nexus series switches, configured VPC/VDC on nexus 2k, 5k and 7k.
• Understanding of the technologies providing functionality of the World Wide Web Electronic Mail, Usenet news and Network Security applications.
• Plan, Design, and Assist in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Responsible for developing all phases of project documentation, system diagrams, configuration change information, charts, and SLA reports.
• Provided project management for data center cabling, documented all network drawings using Visio.
• Working as a Single point of contact for Client networks and maintained their uptime from addressing new client installations/Client location moves/day to day issues etc.
• Installed and configured Meraki (MX80,MX60) Appliance via Meraki MX400 Cloud
• Installed and configured Cisco Meraki (MR66,MR18) wireless Access points
• Configured and Performed Troubleshooting over Cisco Meraki with QoS, VLANs, WiFi
• Automated the cloud deployments using Python and Aws cloud formation templates.
• Documented workflow process, managing and implementing standard policy and procedures.

Confidential, Columbia, Maryland

Senior Network Consultant

Responsibilities:

• Successfully migrated the Cisco legacy environment which consist of 6500, 4500 to Cisco Nexus 7k/5k/2k.
• Migrated old Nokia firewalls to standard HP hardware’s.
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Security policy review and configuration in Palo Alto and JuniperSRX Firewall in US offices and Datacenter.
• Configuring & managing around 500+ Network &Security Devices that includes Cisco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, BlueCoat Proxies and Riverbed WAN Optimizers.
• Configure GSLB on NetScaler Gateway.
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, BlueCoat Proxy and Riverbed Steelhead appliances.
• Configuration and Management of Cisco Nexus 7K and 5K Series Switches, Cisco 6500, 4500, 3750 series Switches, Cisco 2800, 2900, 7200, ASR 1000 Series Routers, ASA, Check Point Firewalls, F5 Load Balancers
• Performed Nexus-OS ISSU and EPLD upgrade.
• Configured policy statements, routing instances, route manipulation on RIP, OSPF and BGP.
• Migrated Sites From EIGRP to OSPF.
• Migrated Data Center Backend Firewalls from PIX to the ASA.
• Deployed Checkpoint GAIA Firewalls at the Data Centers.
• Coordinating with Vendors for creating and modifying firewall and NAT rules and Maintaining Site to Site and SSL VPN
• Worked with virtual servers using VMware
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configuring & managing around 500+ Network &Security Devices that includes c isco Routers & Switches, Nexus Switches, Juniper and Palo Alto Firewalls, F5 BigIP Load balancers, Blue c oat Proxies and Riverbed WAN Optimizers.
• Configuring switch ports (VLAN tagging, switch port mode, Port Channel) at distribution and access layers for new server builds and critical server movement as per requirement
• Used Cisco ISE to grant authenticated users with access to specific segments of the network, or specific applications and services, or both, based on authentication results
• Configuration of Cisco wireless technology including Wireless LAN Controller (WLC).
• Infrastructure trouble shooting and TCP/IP Protocols Experience
• Worked in HP blade centers for server storage and used HP One view for automated lifecycle management.
• Provided deep application-aware network visibility and granular performance analytics that empower network administrators to rapidly isolate and remediate problems and improve the user experience using Cisco Prime.
• Configured, Troubleshooted and Monitored Cisco LMS
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• Switching technologies like VLAN, Inter-VLAN Routing, Ether-channel, VTP, MLS, HSRP, VRRP,UDLD, Spanning Tree Protocol 802.1d, 802.1s and 802.1w.
• Experience of IP/MPLS/Optical Transmission network for access transport & back haul network to Facilitate 2/3/4G Network.
• Understanding of mobile backhaul network on IP, Ethernet, ATM, PW & TDM.
• Good understanding on iRules.
• Experience with RTSP & Multicasting protocols
• Have implemented Cisco ACE load balancers across the DC for various projects.
• Have completed two Business integrations with a very strict time line and gained some very good knowledge in understanding the road blocks in Network integration and feasible methods to fix it.
• Worked in an Agile Scrum environment and with HPSM Change Control System
• Documented workflow process, managing and implementing standard policy and procedures.

Confidential, Chicago, IL

Sr. Network Engineer

Responsibilities:

• Part of Network security team who will be responsible for Installing/Maintaining the Firewalls.
• Day to day activities includes addressing new installations/troubleshooting existing issue across Checkpoint FW (splat/Nokia), Juniper ISG1000 etc.
• Will be responsible for assessing the vulnerability of port openings requested by business across the Globe.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Converting CatOS to Cisco IOS Config Conversion on distribution layer switches
• Convert Branch WAN links from TDM circuits to MPLS and to convert encryption from IPSec/GRE to GetVPN.
• Conversions to BGP WAN routing. Which will be to convert WAN routing from OSPF to BGP (OSPF is used for local routing only) which involves new wan links.
• Planning, Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.
• Monitoring and Inspecting throughput on HP Tipping point Intrusion Prevention System (IPS) S330 series through command line interface and Intrusion Detection Systems (IDS).
• Using Cisco ACE 4700 we reduced data center power and the ACE platform helps to secure data centers and serves as a last line of defense for servers and applications in data centers
• Involved in Configuration of Access lists (ACL) on Juniper and Palo Alto firewall for the proper network routing for the B2Bnetwork connectivity.
• Troubleshooting and management Cisco, Juniper, Huawei, Redback and Extreme devices.
• Established user identity, location, and access history, which can be used for compliance and reporting using Cisco ISE.
• Used Cisco 5520 Wireless LAN Controller (WLC) to Support up to 1500 access points and 20,000 clients.
• Have created lot of site to site IPSEC VPN tunnel with Checkpoint, Juniper Netscreen firewalls and Cisco PIX/ASA firewalls. Completed a project to update the patch HFA50 across all the firewall to overcome the bugs in the existing version of R65.
• Migrated the user access switch environment which is of HP 5406 to Cisco 3750X, 3750G and 3750V2 environment to get gigabit speed.
• Maintained a backup environment build out of HP8212ZL and HP5406ZL with 10G uplinks to the core.
• Troubleshooting complex issues with wireshark at source and destination which can’t be resolved by the basic troubleshooting like ARP, firewall logs, switch logs and tcpdump.
• Responsible for logging/Resolving the severity calls logged in by Incident management.
• Hands-on configuration troubleshooting experience with Cisco Catalyst, Enterasys and HP switches not limited to layer 2 and 3 VLANs and QoS.
• Hands-on configuration troubleshooting experience with Cisco ASR and ISR routers. Modular and Universal IOS and associated licensing.

Confidential

Network Engineer

Responsibilities:

• Troubleshooting, configuring & installing distribution, access level switches and ISR routers, upgrading network setups for LLD upgrades
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700 series, 6500 series) Cisco Routers (4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800) Cisco Router and Switches, Juniper Routers and Firewalls, Nexus 7k,5k & 2k, f5 BIG IP, Palo Alto Firewalls, Bluecoat Proxy and Riverbed Steelhead appliances
• Configuring various BGP attributes such as Local Preference, MED, Extended Communities, Route-Reflector clusters, Route-maps and route policy implementation.
• Deployed the Nexus 7000/5000/2000 architecture into production securing competitive advantage across multiple verticals.
• Configured of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured Client VPN and RSA Token ID technologies including Cisco’s VPN client via IPSEC
• Actively participated Implementation and customization of customer network.
• Designing, Provisioning and Installation of the Customer Sites in Oracle IPSA for MPLS Backbone.
• Implementation and testing of ISDN BRI/PRI circuits.
• Single point of contact for Client networks. I will be the SPOC for maintaining their uptime from addressing new client installations/Client location moves/day to day issues etc.
• Maintained a 3 layer Cisco architecture network with HP Procurve switches in the access layer and 6500 series as core and distribution layers.