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Click here or scroll down to respond to this candidateCandidate's Name
Sr. Network Engineer
PHONE NUMBER AVAILABLE
EMAIL AVAILABLE
Network Engineer with 8 years of diverse experience in implementing, testing, optimizing, maintaining and troubleshooting Enterprise Network & Security infrastructures
Extensive experience working with Firewalls, Switches, Routers, load balancers, VoIP and wireless technologies of different vendors
Strong hands-on experience on Cisco Catalyst (series 3750, 4500, 6500), Cisco Nexus (series 3K, 5K, 7K), Cisco Routers (series 2800, 3800, 4000, 7600), ASA Firewall (5505/5510), Load Balancers (Cisco ACE, F5 BIG-IP LTM/GTM), Palo Alto Networks Firewalls (PA-820, series PA-3K, 5K), Checkpoint IP Appliances (NXG R60, R70, R75, R77)
Proficient in monitoring and managing networks using Solar Winds, Net flow Traffic Analyzer, Network Performance Monitor (NPM), Network Configuration Manager (NCM); Cisco Prime, Security Device Manager (SDM), Cisco Works; HP Open View and Wireshark
Extensive experience in implementing, managing and troubleshooting IP addressing and subnetting, NAT, PAT, Routing protocols (RIP, EIGRP, OSPF, BGP), First Hop redundancy protocols (HSRP, GLBP and VRRP) on Layer 3; VLANs, Standard and Extended ACLs, VTP, WLANs, EtherChannel, STP, RSTP, and MST on Layer 2 technologies
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
Expertise in installing, configuring and troubleshooting Juniper Switches (series EX3300, EX4200, EX4600), Juniper Routers (series J, M and T) and Juniper series SRX Firewalls
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 Netgear)
Managed and modified the availability of LAN and WIFI resources in the Microsoft server and active directory environment.
Worked extensively on unreachability project from Cisco CSPC (Common Services Profile Collection) to 2400 devices Networkwide which included communication with the respective teams such as WIFI, Security, SERVER, Database etc.
Experience of managing Tier II ISP Routing Policies, FT1/T1, FT3/T3, SONET, OCx / STMx IOAs, Preparing reports and drawing network diagrams using Office Suite and Microsoft Visio
Knowledge of Cisco Meraki Cloud managed Switches (MS250, MS350, MS410) and SD-WAN (MX 65, MX100, MX400)
Virtualization Experience: VMware Workstation, vCenter server, VMotion, vSphere, ESXi hypervisor
Experience in installing, configuring and managing Authentication servers RADIUS & TACAS+, DNS and DHCP servers and Active Directory Database
Configured and implemented VDC, VPC, and OTV on Nexus 7K and 5K
Deployed Site to Site and Client to Site VPNs utilizing Checkpoint Firewall-1/VPN-1
Implemented and maintained Sourcefire intrusion detection/ prevention (IDS/IPS) system and hardened protection standards on firewall for enterprise network to protect sensitive corporate data and enabled IDS/IPS signatures on Firewall for Fine-tuning of TCP and UDP services
Experience in troubleshooting, maintaining and integrating on F5 Big-IP LTM load balancing
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
Participates in configuration, and troubleshooting of company s network infrastructure and services, including switches, routers, LAN/WAN, firewalls, load balancers, WiFi and VPN devices, WAN protocols, and knowledge of dynamic routing protocols, low latency design.
Experience on Creating and maintaining performance testing and analysis scripts using a variety of home grown and off the shelf tools.
Worked on Linux and Windows operating systems
Hands on experience working on Shell scripting
Hands on experience working on Riverbed Steelhead for WAN optimization.
A motivated dynamic team player with excellent communication skills, resiliency and enthusiasm
Ability to provide 24x7 support, resolve complex issues and perform in a fast-paced environment
Additional Information
Technical Skills:
Cisco Routers
Cisco ASR9k, GSR 12000, 7600, 7500, 7200 VXR, 3800, 3700, 2800, 2600
Cisco Catalyst Switches
Cisco Catalyst: 6506, 6509, 4928, 4948, 4507,4510, 3750,3560, 2960, 6500, 4000, 3550, and 2900
Nexus Switches
Nexus5548, 5596, 6000, 7009, 7018; Cisco Catalyst: 6506, 6509, 4928, 4948, 4507,4510, 3750,3560, and 2960
IP Routing Protocols
BGP, OSPF, EIGRP, IGRP, RIP v1 & v2, IS-IS, Route Filtering, Redistribution, Summarization, Static Routing, PBR
MPLS
LDP, MPLS L3 and L2 VPN
Load Balancing
Cisco ACE 4700 series, F5 LTM, F5 Networks (Big-IP)
Firewalls
Cisco ASA 5500, Cisco PIX 500, checkpoint r60, checkpoint r65, Juniper SSG140, Palo alto-7500,7050,
Fortinet (3040B, 900D)
LAN Switching
STP, PVST+, RPVST+, IEEE 802.1Q, VTP, VLAN & Inter-VLAN routing & Multi-Layer Switch, Multicast operations, Layer 3 Switches, Ether channels, Transparent Bridging, QoS
WAN/core
WAN Leased lines 64k - 155Mb (PPP / HDLC), Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay, ISDN, Load Balancing ATM, HDLC, MPLS
Optical infrastructure
SONET OC3-OC192, SDH, POS, PDH
IP Telephony
SIP, H.323, RTP, Voice Gateways, CCM, QoS
VoIP Devices
Cisco IP phones, Cisco 5500, 6500 series controllers, Avaya 3000, 6000, 7200 series Controllers
Quality of service
CBWFQ, RED/WRED
Wireless Technology
Cisco AP, LWAP, Access Points, WCS
Ticketing software
Connect Wise, Remedy system
Management software
HP open view, Solar winds, PRTG Network Monitor
IPSEC/VPN Configuration
PIX to Router, Router to Router, PIX to VPN wildcard client, Router to VPN wildcard client, PIX to PIX, fully meshed configurations
Cabling
CAT 5, CAT 5e, CAT 6, CAT 6a
Operating Systems
Windows Server/8/7/Vista/XP, Nexus OS, Cisco IOS-XR, Linux, Unix (Mac OS), JunOS
Microsoft Office
Visio, Excel, PowerPoint, Word
Education:
Bachelors of Engineering in Electronics and Communications, VJIET
Masters in Networking, Wilmington University, DE
KEY ACCOMPLISHMENTS:
Cisco Certified Network Associate (CCNA)-Routing & Switching, Wireless, Security
Cisco Certified Network Professional (CCNP)-Routing & Switching.
Certified Information Systems Security Professional (CISSP)
Client: Plum Choice, Lowell, MA Jan 2016 to Present
Role: Senior Network Engineer
Responsibilities:
Played a principle role in configuring and implementing composite Network models consisting of Cisco 7600, 7200, 3800 series routers and Cisco catalyst 2950, 3500, 5000, 6500 Series switches
Hands on experience in Cisco ASA 5505, 5510, 5520, 5540, 5545-x with firepower, 5550 series firewalls, Cisco Source fire Amp IPS and Cisco ACS.
Experience on Cisco Integrated Services Routers (ISR) Generation 2 and ISR 4000 Series only support NGIPSv on the UCE-E blade. Firepower Threat Defense (FTD)
Hands on experience with FTD mgmt/event ports.
Functional knowledge in SD-WAN technologies and management.
Experience in Software Defined Networking (SDN) as well as Virtual Network Function (VNF)
Strong understanding of corporate LAN and WAN data networks, and supporting component features, services, and technologies. e.g., bandwidth, authentication, authorization, prioritization, voice, video, WANs, LANs, VLANs, wired access, wireless access (WiFi, cellular), 802.1x, etc.
Responsible for Checkpoint and Cisco ASA firewall administration across global networks
Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.
Configuration and troubleshooting of CSM, integration with ASA devices
Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500
Worked extensively on Cisco ASA 5500(5510/5540) and experience with deploying rules to the Cisco ASA solution.
Experience on Fabric Manager Server(FBS) on monitoring, troubleshooting, and configuration
Configured Nexus 7010 including NX-OS Virtual Port Channels, Nexus port profiles, Nexus Version 4.2 and 5.0, Nexus VPC peer links
Participated in the installation, configuration, and post installation routine operational tasks and configuration of the Cisco Nexus Switches
Designed integrated 10 gigabit networks using Cisco Nexus 7000 series switches and Cisco 3800 series routers improving performance of existing network
Monitored, Managed and hardened security policies and rules on Cisco checkpoint NGX firewalls
Worked with Juno OS and Juniper M&T series switches to maintain some sites and stations.
Design, implement and administer IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers.
Worked with Load Balancing team to build connectivity to production and disaster recovery servers through F5 Big IP LTM load balancers.
Configuration and support of Juniper Net Screen firewalls and Palo Alto firewalls.
Worked with Juno OS and Juniper M&T series switches.
Worked with Juniper net Screen 500/5200 and also juniper SRX 650/3600.
Supported Cisco ACE GSS 4400 Series global site selector Appliances and the Riverbeds Appliances
Implemented and upgraded Networks using routing protocols such as EIGRP, OSPF, BGP based on results of flow and utilization monitoring and also manipulated routing updates using route-map, distribute list, administrative distance and static routes wherever needed
Configured OSPF redistribution and authentication with Type 3 LSA filtering to prevent LSA flooding between areas and also configured OSPF over Frame-Relay networks for NBMA and point to multipoint strategies
Configuring VPN's Cisco ASA and Fortinet firewalls.
Experience in setting up and maintaining perimeter security by using Cisco ASA/PIX, Fortinet 3340
F5 Load Balancer LTM & GTM.
Used Python scripting for network sniffing and managed parameters for pool of servers and updated, automated and migrated different services and software by means of Ansible.
Experience in automation script via multiple disciplines (Powershell, Shell, VBScript, etc.)
Hands on experience working on Apache web server, Samba server, Solaris.
Performed and implemented traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF)
Worked with Host Master for shared web hosting and Analyzed networks using Wireshark
Intensive applications of Network automation tools and testing for network automation and configuration management using Ansible, Python scripting
Worked with basic SQL quires in working with Database team in solving some of their network connection issues and enabled port forwarding on servers
Provided assistance in redundancy mechanisms for multi homed Border Gateway Protocol (BGP) network by tuning AS-path for various network segments
Conducted planning and deployment of on-site Exchange 2010 server
Worked with Security- Firewalls, NAT / PAT, IPSEC, S2S and Management tools like CSM and Cisco ACS, Cisco Prime and also worked with Cisco IOS, NX-IOS, IOS-XR.
Improved Quality of Service (QoS) by defining LSPs on MPLS to meet specific service level agreements (SLAs) on traffic latency, jitter, packet loss and downtime
Performed Load balancing using F5 Big-IP local traffic manager (LTM) 1600, Cisco ACE 4710 Load balancer and BIG-IP Edge Portal and BIG-IP Edge Client on different sites
Managed RTP, RTSP, FTP, DNS, HTTP, DHCP Application Level Gateways, services and servers whenever needed
Worked with Windows Power shell and power shell plus
Implemented Hot Standby Router Protocol (HSRP) by tuning preemption parameters
Configured policy based routing for BGP for complex network systems and configured Multiprotocol Label Switching (MPLS) VPN with Routing Information Protocol (RIP) on the client end
Negotiated VPN tunnels using IPSec encryption standards, and also configured and implemented site-to-site VPNs, Remote VPNs
Tuned BGP internal and external peers with manipulation of attributes such as metric, origin and local preferences
Worked with Nagios for monitoring of network services (SMTP, POP3, HTTP, NNTP, ICMP, SNMP, FTP, SSH).
Worked on ASR 7000, 9000 series Cisco aggregation routers
Worked on FTP, HTTP, DNS, DHCP servers in windows server-client environment with resource allocation to desired Virtual LANs of network
Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA/FWSM and NAC solution
Hands on Experience with Designs, implements and supports network routers, switches, firewalls, WiFi, VoIP, security, cabling, etc for time sensitive projects.
Installed, configured and set security policies on cisco and checkpoint firewalls, NAT and VPNs
Environment: Cisco routers Series PHONE NUMBER AVAILABLE, ASR 7000/9000; Cisco catalyst switches PHONE NUMBER AVAILABLE and Nexus 7K; Juno OS, Cisco PIX Firewalls 535, 525 Routing Protocols OSPF, BGP; VPN, MPLS, HSRP, GLBP, Big-IP F5 LTM Load Balancer, ACE 4400, Ansible, Python scripting, Wireshark, PowerShell, Cisco Works, MS Visio, Cisco ASA and Palo Alto firewalls, Blue Coat Proxy
Client: ETollware, Aurora, CO Jan 2015 Dec 2015
Role: Sr. Network Engineer
Responsibilities:
Experience working with market data networks and dealing with clients and deploying network designs.
Experience working with High performance data centre switch like nexus 9000, 7000 series.
Experience with converting WAN routing from EIGRP/OSPF to BGP (OSPF is used for local routing only) which also involved converting from Point to point circuits to MPLS circuits.
Configured OSPF, BGP, DHCP Profile, HSRP, IPV6, Bundle Ethernet implementation on ASR 9K redundant pair.
Experience working with migration from 6500 series devices to 4500 Series switches in Campus deployments at Core, Distribution and Access Layers.
Switching tasks include VTP, ISL/ 802.1Q, VLAN, Inter-VLAN routing, Ether Channel, STP and RSTP, PVST+.
Experience on various Cisco, HP/Aruba Juniper, and Palo Alto devices and their respective operating system preferred.
Hands on Experience with HP Switching.
Expertise in non-Cisco platforms, such as HP Procurve, Bluecoat, Brocade is a plus.
Setup and maintained Checkpoint security policies including NAT, VPN and Secure Remote access.
Hands on experience with WAN technologies - ISDN, Frame Relay, SONET, HDLC.
Worked on commissioning and decommissioning of the MPLS circuits for various field offices & POPs.
Adept in Configuring the Virtual Local Area Networks (VLANS) using Cisco routers and multi-layer.
Worked with NIST / PCI environment.
Worked with Windows server 2008/2012.
Monitor, analyse, and troubleshoot Aruba APs, wireless controllers and s3500 switches using the Airwave management system.
Involved in migration of WLAN/Wi-Fi segment on the LAN Core. Also, involved in configuring wireless VLANS.
Network planning and implementation of WAN technologies including E3, E1, T1, T3, ISDN, HDLC, PPP, Frame Relay, ATM and MPLS, VPN.
Developed and implemented an application security technology solution including Cisco ACE XML gateways (SOA application firewall).
Experience with Change Management procedures.
Configured PVSTP+ for loop prevention and VTP for Inter-VLAN Routing.
Configuring VLAN, Spanning tree (STP), VSTP, SNMP on EX series switches.
Responsible for managing activities, Upgrading IOS - Upgrading hardware and installing new devices, Tuning (Configuration), make standardization for the topology.
Implement and configuring HSRP on different location of office on the switched network and managing the entire multilayer switched network.
Experience configuring VPC, VDC on Nexus.
Experience in Configuring with OSPF, BGP on Cisco devices.
Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
Experience on LAN/WAN switch, router & wifi (inter-connections) architecture.
Environment: Cisco routers (3800, 2800) and Cisco switches (6500, 3700, 4900, 2900), Nexus (7K, 5K & 2K) Routing Protocols (EIGRP, OSPF, BGP), Switching protocols (VTP, STP, GLBP, HSRP)
Client: Thermo Fisher, Sunnyvale, CA Jul 2013 Dec 2014
Role: Network Engineer
Responsibilities:
Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance etc.)
Experience in deployment of Nexus 7010, 5548, 2148T, 2248 devices.
Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a flexible access solution for datacenter access architecture.
Experience configuring Virtual Device Context in Nexus 7010.
Installation and maintenance of Cisco Layer 3 switches 3750, 4500X, 6500 in multi VLAN environment.
Maintenance and configuration of Cisco ASR1000 series and 7200VXR routers at data center and deployment of 3900, 3800, 2951 and 2821 for branch connectivity.
Working on Cisco 6509 and 4507 series switches for LAN requirements.
Involved in migration from Site-to-sire GRE tunnels network to MPLS-based VPN for customer's WAN infrastructure.
Involved in Switching Technology Administration including creating and managing VLANS's, port security, Trunking, STP, Inter VLAN routing, LAN security etc.
Configured BGP, EIGRP and OSPF and Policy based Routing.
Configuring OSPF and Static routing on Juniper M and MX series Routers.
Provide Tier II Load Balancer expertise on F5 BigIP Local Traffic Managers (LTM). Designing F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 BigIP Load Balancers.
Responsible for Checkpoint firewall management and operations across our global networks.
Working with Checkpoint Support for resolving escalated issues.
Configuring VLAN, Spanning tree, VSTP, SNMP on EX series switches.
Once trouble ticket has been created keep customer informed of status of ticket and estimated time to repair.
Coordinating with service providers for WAN link outages.
Upgraded and updated Cisco IOS from 12.3T to 12.4.
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.
As a part of Global switch refresh project, performed migration from 3750 to 3850 switches adhering to ITIL Change Management Procedure.
Migrated IP's from IP control and Solar winds to Infoblox, as a part of IP migration to single tool.
As a part Router replacement project, migrated 2921, 2821 routers to 3945.
Migration from 3900 Series Routers to ASR 1002-X.
Deployed Infoblox Trinzic 800 device for DHCP.
Generating Network Metric Reports using Solar winds and silver peak.
Worked on Remedy service management for change management approvals.
Implemented a new firewall Infrastructure replacing a Cisco PIX, Nortel VPN with a Palo Alto application firewall and SSL-VPN.
Liaison between security staff at web hosting company, monitored threats and traffic on Palo Alto NGFW.
Updated Palo Alto NGFW PAN-OS, Threat Databases, AV datasets and filters as required.
Environment: PHONE NUMBER AVAILABLE950 switches, Cisco PHONE NUMBER AVAILABLE routers, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels.
Client: Secure Network Solutions India Pvt Ltd., India Jul 2009 May 2013
Role: Network Engineer
Responsibilities :
Day to day network troubleshooting at the Alcatel lucent area network.
Cisco IOS experience on 3600/7200 class hardware in complex WAN environment and experience
On Cisco OS and IOS on CAT6500 in a complex data center environment.
Hands on experience installing Sup720 for Cisco 6509-E series and its Gigabit Ethernet port
Deployment in core network.
Planned, tested and evaluated various equipment's, systems, IOSs and procedures for use within
the Network / security infrastructure.
Supported Data Center migration and consolidation project. Configured HSRP and VLAN trucking
802.1Q, VLAN Routing on Catalyst 6500 switches.
Worked on Cisco Routers, Active /Passive Hubs, Switches, Cisco PIX Firewall, Cisco ASA, NOKIA
Firewalls, Nortel VPN Concentrators TCP/IP, NAT and Checkpoint ESX/GSX firewall.
Deployed Riverbed WAN optimizers and F5 load balancers.
Configured vPC, FEX and VDC's on Nexus 5K, 7K.
Coordinate with Server, Security, Application teams along with 3rd party vendors to provision and
setup third party servers, network devices in Data Center environment.
Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems.
Configuring Voice VLANS with respect to Cisco VOIP phones 7940, 7960.
Work with 3rd party vendors and application owners to migrate site to site VPN's to new
Datacenter.
Configure, deploy and troubleshoot 4400 wireless controllers and 1200 LWAPP's.
Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing
site-to-site VPN, Remote VPN.
Worked on the security levels with RADIUS, TACACS+.
Hands on experience and good working knowledge with Checkpoint Firewall policy provisioning.
Primary responsibility is to design and deploy various network security & High Availability products
like Checkpoint NGX, Provider-I, Nokia appliance, Cisco ASA other security products.
Experience with creating VIP (virtual servers), pools, nodes and applying iRules for the virtual
servers like cookie persistency, redirection of the URL.
Monitor network health using tools like eHealth, Cisco Prime, Spectrum and recommend
optimization Solutions.
Create BOM's and network implementation plans.
Configured Nexus 5K, 7K, Cisco 3900, ASR 1K routers and 2960, 3750, 6500 switches as part of the
day to day activities.
Map out existing network and forthcoming changes in Visio as part of the quarterly network audit
Process.
Environment:
LAN, WAN, Cisco PIX, Fortinet 3340B, Palo Alto, Cisco 7200 and 3945 ISR routers, Cisco catalyst 6509, 4510, 4506 switches, Cisco 2900 access switches, Cisco WAP's, Ubiquity wireless devices, IPSec VPN, SSL VPN, Site-Site VPN, Access-Lists, and NAT |
