SUMMARY

• Cisco Certified Network Engineer with 8+ years of experience in the industry, which includes expertise in the areas of Routing, Switching and Firewall.
• Expertise in Designing, Implementation, Administration, Operations and Troubleshooting of enterprise data networks as a Network Engineer.
• Experience in handling tickets opened for network related issues and resolving as per SLA.
• Experience in Cisco: Physical cabling, IP addressing, Wide Area Network configurations (Frame - relay & acMPLS), Routing protocol configurations (RIP, EIGRP, OSPF, and BGP).
• Expertise knowledge and experience in networking devices like Cisco Routers, Cisco Switches, F5 Load Balancers, Proxy and Firewalls.
• Experienced in installation, configuration, design and ongoing maintenance of Cisco router and switches.
• Worked on Cisco Catalyst Switches series, Responsible for Checkpoint and Cisco firewall administration across global networks.
• Scripting in python, Perl and ansibleused for automating various tasks in Cisco IOS.
• Experience with F5 load balancers andCiscoload balancers (CSM, ACE and GSS).
• Experience with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• Proficient in Cisco IOSfor configuration & troubleshooting of routing protocols: MP-BGP, OSPF, LDP, EIGRP, RIP, BGP v4, MPLS
• Implementing security Solutions using Palo Alto Pa-5000/3000, Cisco ASA, Checkpoint firewalls R75, R77.20 Gaia and Provider-1/MDM.
• Basic and advance F5 load balancer configurations, including migrating configurations fromCiscoACEto F5 and general troubleshooting of the F5 load balancers.
• Knowledge of advanced technologies like Multicasting, MPLS and MPLS-VPN.
• 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.
• Switching tasks including L2/L3 Protocols like VTP, STP, RSTP, PVST, RPVST, ISL, 802.1q, IPsec and GRE Tunneling, VLANs, HSRP, GLBP, Ether Channel, Trunking, Port Security.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Managed fast Layer 3 switched/routed LAN/WAN infrastructure as a part of Network team
• Strong hands on experience on Cisco Catalyst (1900, 2900, 3550, 3750, 6500) series switches, VSS technology, Cisco (2500, 2600, 2800, 3600, 3800, 7200) series Routers, PIX Firewall (506, 515, 525, 535)/ ASA (5505/5510), Palo Alto Firewalls, Cisco ISE (Identity Service Engine), Load Balancers using Cisco ACE, F5, Security Device Manager (SDM), Cisco Works, HP Open View, Solar Winds, Sniffer.
• Experience with implementation of DNS and DHCP protocols.
• Good knowledge of OSI Model and TCP/IP networking standards with protocols such as SNMP, FTP, ICMP and IPv6.
• Comprehensive expertise in the implementation of optimization, analysis, troubleshooting and documentation of LAN/WAN networking systems.
• Detailed understanding of data warehouse databases such as Teradata, Amazon redshift, SQL Server and MySQL.
• Network security including Cisco IDS/IPS, AAA, IPsec/SSL VPN, NAT/PAT, ACL, ASA/PIX Firewalls, and L4 - L7 protocol.
• IPv4, IPv6 subnetting and super nettingfor Host or Network requirements.
• Familiar with REMEDY for ticket change management process.
• Cisco Security: Telnet, SDM, NAT/ACLs, AAA, Layer 2 Security, Layer 3 Security, IPS/IDS, Cisco (ASA, PIX) 5510, Cryptography, VPN, IPSec.
• Experience in physical cabling, IP addressing and subnetting with VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Knowledge of WAN Optimization Technology, Riverbed.
• Good Understanding of Pythonscripts for system automation, monitoring and security reporting. Maintain existing Perl scripts and migration existing Perl scripts to Python.
• Worked extensively in Configuring, Monitoring and Troubleshooting Cisco's ASA 5500/PIX security appliance Failover.
• Expertise in OSI layer model/TCP/IP
• Implementing changes as per ITILchange management.
• Juniper: EX-2200, EX-4200, EX-4500, … M Series, SRX210, SRX240
• Assist project teams with technical issues in the Initiation and Planning phases of standard ITIL best practices.
• Experienced in writing / modifying shell scripts for process Kernel automation of systems, applications backups etc.
• Configure and troubleshoot network devices; Aruba Wireless, Cisco, Foundry/Brocade, Juniper
• Experience with Bluecoat Proxyservers, LAN & WAN management.
• Expertise in installing, configuring and troubleshooting Juniper Routers (J, M and MX-series)
• Strong hands on experience in installing, troubleshooting, configuring of Cisco ASR 1K, 7200vxr, 3900, 3800, 2900, 2800 series routers and Cisco Catalyst 6500, 4500, 3850T, 3750, 2950 and 3500XL series switches.
• Hand on experience with Cisco catalyst 6509 and implemented VSS, VDC, VPC, OTV and Pinning on Nexus 5000, 7000 switches.
• Enabled VXLANon Nexus 1000v VSM and configured a port-profile for VXLANVTEPs.
• Testing 100 G interfaces between Nexus 6k, Arista 7k, Juniper MX, ASR 9000 using short range and long ranges single mode and double mode cables.
• Substantial knowledge, including the configuration, of Spanning Tree Protocol (STP), Per VLAN Spanning.
• Extensive experience in Windows 2008 … Wintel Servers at single or multi domain platforms.
• Extensive understanding of networking concepts, (IE. Configuration of networks, router configuration and wireless security, TCP/IP, VPN, Content Filtering, VLANs, and routing in LAN/WAN, Ethernet Port, Patch Panel and wireless networks.)
• Scripting for automation of processes for Windows Servers. Familiarity with the main script languages like Power Shell, PHP, Shell, Perl, Python.
• Proficiency in managing network monitor tools like Orion SolsrWind, NCM, NPM, Cisco Prime Infrastructure, Prime LMS, HP NA, HP NNMi and PRTG.
• Experience in SAN, VAN in data center and VIRTUALIZATION of servers.
• Experience with Blue Coat URL filtering with white listing and black listing URL, creating rules for content filtering.
• I have pretty much knowledge aboutSteelhead central controller (SCC)
• Extensive knowledge in advance features of ESX VMOTION, SVMOTION, HA and DRS.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Experience with Firewall migrations from PIX firewall to Cisco ASA and Juniper SRX firewall appliances.
• Experience in Network LAN/WAN deployment. Expert in Monitoring, implementing Network Access Control (NAC) configurations on switch port.
• Performing network monitoring, providing analysis using various tools like Wireshark, SolarWind etc.
• Perform market research for new technologieslike Arista, vArmour, Microsoft Identity manager, etc.
• Network securityincluding NAT/PAT, ACL, VPN Concentrator.
• Implemented Positive Enforcement Model with the help of Palo AltoNetworks.
• Working Knowledge of Cisco IOS, Junos & basic Nexus (7K, 5K&2K).
• Configuration, support and administration of Palo Altoand Checkpoint and to migrate all gateways and management servers to new hardware and software.
• Designed and replaced aging Checkpoint Firewall architecture with new next generation Palo Alto appliances serving as Firewalls and URL and application inspection.

TECHNICAL SKILLS

Routers: Cisco 1800, 2500, 2600, 2800, 3600, 3900, 7200, 7600 series

Switches: Cisco 6500, 4900, 3750, 3550, 3500, 4500, 2900 series

Nexus: 7K, 5K, 2K &1K

Load Balancers: Kemp, Cisco CSM, F5 Networks (big-IP) LTM 8900 and 6400

Firewalls: Cisco ASA, Cisco PIX, checkpoint.

Routing Protocols: IGRP, RIP, EIGRP, OSPF, BGP, RIPV2, TCP/IP, STP, RSTP, VLANs, VTP, MPLS, HSRP, VRRP, Route Filtering, Redistribution, Summarization, Static Routing, TACACS+, RADIUS

LAN Technology: VLAN, RSTP, VTP, Inter-VLAN routing, STP, Domain, HSRP,Trunks,, Ethernet, Fast Ethernet, Gigabit, Workgroup, Domain.

WAN Technologies: PPP, HDLC, Fiber Optic Circuits, Frame Relay, VOIP, ATM, SONET, MPLS, VPN, IP sec-VPN, Leased Line, ISDN/Dial-Up.

Operations: Layer 3 switching, ether channels, Uni-layer switching.

Antivirus & Endpoint protection: Symantec Enterprise Edition, Cisco CSA, MacAfee Enterprise Edition.

Network Management Tools: SNMP, Cisco works LMS, Cisco MWTM, Wire shark, Net flow Analyzer and Ethereal.

Network Security: VPN, ACL, IPSec, IDS/IPS, Filtering, Port-security, AAA, Zone-Based Firewalls, juniper SRX, Cisco ASA, Palo Alto firewalls.

Network Technologies: TDMA, SONET, MANET, FDMA, CDMA, DSL

Operating Systems & Tools: Cisco IOS, Windows Vista/XP/NT/00/98, Windows NT 4.0 (Desktop/Server), Windows 2000/2003/2008 Server, Windows XP/Windows 7/8, Apache Server, Active Directory LINUX, Solaris.

PROFESSIONAL EXPERIENCE

Confidential, Denver, CO

Sr. Network Engineer

Responsibilities:

• In-depth expertise in the analysis, implementation, troubleshooting & documentation of LAN/WAN architecture and good experience on IP services.
• Maintain responsibility for the network engineer, including Cisco routers and Switching, firewall configuration, deployment, maintenance and troubleshooting.
• Involved in configuring and implementing of composite Network models consists of Cisco7600, 7200, 3800 series routers and Cisco 2950, 3500, 5000, 6500 Series switches.
• Deployment and Management of Bluecoat proxiesin forward proxyscenario as well as for security in reverse proxyscenario.
• Migration of DMVPN Phase 2 to Phase 3.
• Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series).
• • Experience working with Cisco IOS-XR on the ASR9000 devices at core layer.
• Implementing IOS upgrades for Cisco router and switches.
• Designed Campus branches and data networking centers.
• Configuring and troubleshooting site-to-site IPSEC VPN tunnels using Cisco ASA 5540 for third party connectivity.
• Implemented GRE tunneling, Site-to Site VPN& multipoint DMVPN using IPSEC.
• Technologies include Call Manager 6.x/7.x/8.x, CUCM servers, CME/CUE, Unity, Cisco routers, IP phones, Cisco Voice, SRST, FXO, FXS, PRI, and T1/E1.
• Involved in troubleshooting L3VPN issues and updating Junos images, UTM Anti-virus and IDP.
• Installed, configured and troubleshot Cisco wireless network, Wireless LAN controllers.
• Supported TCP-IP, DNS, DHCP, WINS, DFS, Group Policy, and Organizational Units.
• Integrated Palo Alto next-gen firewalls with overlay VMware NSX SDN network.
• Experience working with ASR 9000 series switches with IOS-XR. working with High performance data center switch like nexus 7000 series.
• Enhanced existing framework by incorporating SSH functionality into exiting Telnet-based automation framework. Developed and successfully integrated python scripts automate and data collection for network devices not supporting Telnet.
• Experience in VPN technologies such as IPSEC (Site to Site and Client to Site) and Secure Socket Layer (SSL) VPN.
• Created Network diagram for Cisco/ Brocade switches.
• Built IPSec based Site-to-Site VPN tunnels between various client locations.
• Engineer network topology to transport 10/100/1000 Mb/s and 10 Gig/s of internet bandwidth by DWDM multiplexing on the fiber channel.
• Software Defined Networking (SDN) - VMware NSX, Cisco ACI.
• Troubleshooting and installing of CRS, ISR, GSR, ASR9000 and Nexus devices.
• Migration of existing IPSEC VPN tunnels from one Data Center to another Data Center, due to decom of existing Data Center, which involved working with Partner Companies.
• Responsible for Checkpoint and Cisco firewall administration across global networks.
• Involved in the DATA CENTER Implementation techniques and methodologies.
• Provide Tier 3 technical support for Riverbed Pilot, Shark, Profiler and ARX.
• Assist in network design, deployment, and maintenance of network hardware. (E.g. Layer2/Layer3 switches, CWDM/DWDM multiplexers and SFP+ optics etc.).
• Involved in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks.
• Secure Windows 2003 R2 Domain Controllers according to Wintel CIS settings.
• Experience in configuring Site-to-site and remote access VPN solutions.
• Experience in migration of data to cloud environment. Good working knowledge of Azure and AWS.
• Design and configuring of OSPF, BGP on Juniper Routers and SRXFirewalls.
• Configuring Cisco Nexus (7k, 5K & 2K) and Brocadedevices(MLX) for Network and SAN connectivity.
• Responsible in troubleshooting on Cisco ISE added new devices on network based on policies on ISE.
• Implementing, configuring and troubleshooting routing protocols such as RIPv2 HSRP, GLBP.
• Implementation of Key customers projects & complex projects. Preparing High Level Design (HLD), Low Level Design (LLD).
• Aided in design and construction of hybrid cloud environment with Microsoft Azure for hosting client servers and services. Also provide consultancy to improve cloud usage and minimize cloud based risk and cost.
• Implementation, Configuration and Support of Checkpoint (NGX R65, R70 and R71), Juniper Firewalls (SRX5400, SRX5600, and SRX5800).
• Responsible for designing and implementing Cisco VOIP infrastructure for a large enterprise and multi-unit office environment.
• Managed inventory of all network hardware, Management and Monitoring by use of SSH, Syslog, SNMP, NT.
• Documentation involved preparing Method of Procedures (MOPs) and Work Orders. Also creating and submitting Remedy tickets for user auditing.
• Experience with Security- Firewalls, NAT / PAT, IPSEC, S2S.
• Hand on experience in Juniper secure gateway SA-4500 7 SA-2500 for VPN.
• Worked on ISR Routers like 2900, 4000 series routers and ASR routers like 1000, 9000.
• Experienced working with Nexus OS, IOS, CATOS and Nexus 7K, 5K & 2K Switches.
• Worked with network services like DNS, DHCP, DDNS, IP4, IP6, IPSec, VPN etc.
• Configured and maintained IPsec and SSL VPN's on Palo AltoFirewalls.
• Configured trunk and access ports, and implemented granular control of VLANs and VXLANs using NX-OS to ensure virtual and flexible subnets that can extend further across the network infrastructure than with previous generation of switches.
• Implemented VOIP solutions using SIP & H.323, also have sound knowledge of Avaya VOIP products.
• Performed network engineering, design, planning LTM & GTM load balancing implementation and scheduling infrastructure related tasks by coordinating with other teams.
• Experience with Riverbed, Steelhead, Netflow and Wireless LAN Controller configuration.
• Implemented SNMPv3, GLBP, Rapid STP, regular scheduled IOS updates, and configured network components of Video Teleconferencing deployment across HRSA.
• Validating and reporting Wireless network based on post Wireless site survey.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Worked with Cisco ACE GSS 4400 Series global site selector Appliances.
• Provided front-end on-call network support 24x7x365 for all network infrastructures in the co-operation.
• Implemented Zone-Based Firewalling and Security Rules on the Palo Alto Firewall.
• Excellent skills in Linux/Unix System Management concepts, Volume Manager and file system organization, allocation and maintenance, backup/restore strategies, implementation, management and troubleshooting.
• Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
• Configuring SNMPv3, NTP, DNS, SSH parameters on routers, switches and terminal servers as well as MD5 authentication on routers for OSPF protocol.
• Configured and monitored Riverbed WAN X and WAN Interceptors.
• Creation of documentation and reporting tools using SQL codes, MS- Word, Excel, Access, SQL Server Integration Services (SSIS) and SQL Server Reporting Services (SSRS)
• Scheduled preventive maintenance for fire-protection systems, including new protocols. Utilize MS Windows, Word, and Excel for reporting/documenting process.
• 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.
• Deployed VXLANson the Nexus 9000 to map the physical VLANs to the Virtual Overlay VLANs
• Worked with Remedy Ticketing tool in maintaining and keep a track of logs/monitor.
• Work & escalate problems effectively in order to meet customer SLA's (service level agreements).
• Worked extensively in Configuring,observationand Troubleshooting Cisco's ASA 5500/PIX security appliance, Failoverdemilitarized zonesectionalisation& configuring VLANs/routing/NAT with the firewalls as perthe planning.

Environment: Cisco 6500/7500/7200 Routers, Cisco 3550/4500/6500 switches, Palo Alto, Nexus 2k/5k/7k, Juniper SRX100, Juniper Switches EX4200, Juniper routers (MX960, MX480, MX240, MX104, PTX3000, PTX1000, M7i, M10i, M320), ASR 1000, 9000, Cisco ISE, Cisco PIX (525, 535), ASA (5505, 5510), Linux, HSRP, PPP, VPN, OSPF, RIP, BGP, EIGRP,, LAN, WAN, Checkpoint.

Confidential, Atlanta, GA

Sr. Network Engineer

Responsibilities:

• Implementation of Wireless access points, Cisco 3750, 3850 switches and Cisco 3900 and ASR 1000s routers to new sites.
• Worked on 2600, 3500, 7613& ASR 9KCisco Routers and 4500 and 6500 series Cisco Switches.
• Performed VSS on Cisco catalyst 6500 series switches.
• Working in high availability Nexus Environment and provide Level 3 Network Support.
• Configuring, upgrading and verifying the NX-OS operation system.
• Responsible for level 2 support of existing network technologies / services & integration of new network technologies / services.
• Performed VOIP sector configuration and service administration.
• Configuring HPE Firewall such as JD272A, JG214 and JG213A
• Worked on Riverbed Steelhead Appliance for WAN Optimization.
• Managed the network performance using Cisco works LMS 3.1 and HP Open View.
• Experience on Check Point Firewalls NG, NGX R65, R70, R75, R77, NSX (VMware Network).
• Implemented VMware ESX server to provide multiple virtual hardware platforms while keeping hardware costs and energy consumption low.
• Strong practical knowledge of TCP/IP protocols including Multicast, HSRP, VRRP, STP, NHRP, IPSec, Frame-relay, DMVPN & MPLS L3VPN.
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments in data center.
• Configured and administered Riverbed Steelhead.
• Managing User accounts in TACACS and HPNA tool.
• Assigning various subnets to HPE internal SPI.
• Responsible for designing and implementing Cisco VOIP infrastructure for a large enterprise and multi-unit office environment.
• Large scale DMVPN implementation.
• Sole point of contact for all wireless issues.
• Manage and deploy all aspects of LAN and WAN, including firewall and IDP management, switches, routers, vpn tunnels to remote offices and datacenter (completely redundant and HA).
• Worked on connecting to database and fetch the data with Perl/Python.
• Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers.
• Writing shell scripting for several jobs to clean up disks and bad files on the server.
• Configuring and managing network traffic using 3COM SNMP and access list.
• Manage Cisco Router, 2900xl switches and 3Com hubs configuration for WAN and LAN interfaces.
• Managing data center and network by using solar winds NPM, NTA, NCM and F5 load balancer, citrix load balancer also working on troubleshooting, implementing and configuring new devices and helping them to build new data center and moving devices from one data center to another by moving all devices.
• Supported Internetworking technology infrastructure solutions such as Load Balancers (F5 and Citrix), Juniper Routers, WAN Accelerators/Optimizers (Riverbed).
• Localized and updated PERL modules.
• Configured ISE tunnels with Palo Alto to enable secure transport and cloud based/site-site VPN to AWS
• Proficient in Riverbed steelhead & Interceptor design & implementation.
• Board and de-board the HPE customers on shared network infrastructure.
• Programmed ETL functions between Oracle and Amazon Redshiftusing SQL.
• Working on different monitoring tools SolarWinds, Riverbed and Net scout to resolve the issues.
• Extensively worked on layer 2 features like STP, VLAN, and VTP and implemented them on new switches and used to troubleshoot any issues.
• Worked on Cisco ACE load balancers. Experience with F5 load balancers - LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.
• Implement Cisco Works 2000 device to manage Cisco routers, switches, PIX and ASA firewall, Access Points, Concentrators.
• Deploy Qos for VOIP implementation across Vanguard Infrastructure.
• Design, configure and administrate both ASM & SSM Multicast technologies for live video transmission.
• Upgrading and downgrading OS on ASA firewalls, Palo Alto Network firewalls, Cisco Routers, Cisco Switches, F5 LTM and F5 GTM.
• Provided full visibility and notification of authorized and unauthorized network access with integration of CISCO ASA/FWSM and NAC solution.
• Installed and maintained equipment with remote access through NetScreen VPNs and Riverbed WAN Accelerators.
• Knowledge of scripting with Perl and experience of 802.11 a/b/g/n Ethernet standard for wireless Technology.
• Managed the F5 BigIP GTM/LTM appliances to include writing iRules, SSL offload and everyday task of creating WIP and VIPs.
• 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.
• Worked in managing VMs in Amazonusing AWS -EC2, RDS, Redshift EMR.
• Implemented VDC, VPC, FEX, static pining and dynamic pining.
• Configured, tested and deployed Steelhead's Riverbed 5050H WAN Accelerator
• Experience in installing and configuring Checkpoint NGX R60.
• Provide operational support for complex, wireless network deployments. Identify & document design/architecture best practices.
• Implemented WAN Optimization using Riverbed Steelhead CMC and SMC Appliances.
• Hands-onexpertisewith Ether Channel, Spanning Tree, Trunking, ACLs, Syslog.
• Worked on Juniper MX480 and Juniper MX80
• Experience in Supporting and troubleshooting Checkpoint (R77 Gaia, R75.40, R70, R65, Provider-1, MDM/MSD, VSX, SPLAT and IPSO) juniper (SRX, JUNOS, Screen OS, Net Screen SSG, SPACE and NSM) and Cisco firewall (ASA 5550, 5540, 5520, PIX 525, 535, CSM and ASDM) technologies.
• Expertisewithin thesetup of HSRP, Access-Lists, and RIP, EIGRP, and tunnel installations.
• Proficient with IP access list, Cisco Discovery Protocol(CDP), Static Routing, Network Address Translation(NAT), VLAN Trunking Protocol(VTP) and HSRP.
• Built a lab environment with JunipervMX's(virtual MX seriesRouter) and configured the routers to run IGP and BGP protocol.
• Solid experience on ALU GSM, UMTS, LTE equipment.
• Set up DNA testing, established support orders for child support.
• Configuring rules and Maintaining Palo AltoFirewalls & Analysis of firewall logs using various tools
• Design and configuring of OSPF, BGP on Juniper Routers and SRX Firewalls.
• Configured and managed Cisco access layer routers and switches& carried out route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance, and offset-lists.

Environment: Cisco ASR9000, 9006, 9001, 6500 series Routers, Cisco 4500, 3750, 3550, 3500, 2960 switches, TACACS, EIGRP, RIP, OSPF, BGP, VPN, MPLS, Ether Channels, Juniper M series router.

Confidential, Raleigh-Durham, NC

Network Engineer

Responsibilities:

• Involved in complete LAN, WAN, Extranet redesign (including IP address planning, designing, installation, pre configuration of network equipment, testing, and maintenance) in both Campus and Branch networks.
• Installation, Configuration and troubleshooting Cisco switches and Firewall on multi-mode context based environments.
• Team member in designing and team lead implementing BGP over DMVPN as backup link for the MPLS.
• Deployed and manage Cisco NAC with CAS and CAM to ensure End Stations are in compliance with defined policies prior to accessing the network.
• Configuring SMC Router & linkys Routers, and to provide networking solution.
• Performed Site preparation for 2.5 LTE Commissioning.
• Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.
• Involved in HSRP standby troubleshooting and load balancing protocol GLBP, Port channel management of the network.
• Extensive knowledge of WAN technologies such as T1, T3, DS3, OCx, SDH, SONET, LTE, Fiber and Frame relay.
• Provided Network support and maintained Riverbed Steelhead 2050 series.
• Setup UNIX servers as Samba integrated Windows domain file and print, DNS, Nagios (SYSLOG), FTPS/SFTP, and Apache web servers.
• Involved in upgrades to the WAN network from existing 7200vxr with ASR1004, ASR9000 and 3845/3945 routers.
• Worked with customers in all stages of the child support process.
• Create tickets for maintenances using HPE Service Manager.
• Install, configure and maintain several Cisco DMVPN router servicing smaller Sites, Several Edge router running BGP and MPLS to Internet service providers.
• Experience in Active Directory, GPOs, File & Print Server, FTP, Terminal Server, NAT, and Exchange Mail Server. Administration of production Windows Servers infrastructure that includes Domain Controllers, IIS Web Servers, SharePoint, File and Print and FTP/SFTP servers
• Configured Cisco switches for L3 and L2 VLANs with HSRP, VTP and EIGRP implementations.
• Experience in troubleshooting VLAN, STP (Spanning tree protocol), & Switch Trunk and IP subnet issues.
• Network security including Cisco IDS/IPS, AAA, IPsec/SSL VPN, NAT/PAT, ACL, ASA/PIX Firewalls, and L4-L7 protocol. Actively participated in upgrading fast Ethernet, Layer 3 switched/routed LAN infrastructure from Cisco 3640 to Cisco 2811 ISR routers and switches at access level to 2950, 3550.
• Provided application level redundancy and availability by deploying F5 load balancers LTM.
• Involved in the troubleshooting aspects of complex network infrastructure using routing protocols like EIGRP, OSPF and BGP. Configuring Palo Alto policies and setting different device configurations.
• Installing and configuring new Cisco equipment including Cisco catalyst switches 6500, Nexus 7010, Nexus 5548 and Nexus 2k as per the requirement of the company.
• Installed dual DS-3 SAN replication WAN with Riverbed Interceptors and 6050 Steelhead appliances to optimize the traffic.
• Assisted with management of IT Infrastructure work streams for HPE integration.
• Designed and developed solutions architecture, work plan and a proposal for creating a provider enrollment infrastructure in AWS using AmazonRDS for operational data store and Redshiftfor data warehousing and analytics.
• Worked extensively with 3Com & Cisco routers and switches; AGS+, 1000 series, 2500, 4006, 5500 (for WAN MAN & LAN) and some Juniper routers
• Planned and implemented Sub netting, VLSM to conserve IP addresses.
• Planning and configuring the routing protocols such as OSPF, EIGRP, RIP, and Static Routing on the routers.
• Designed and implemented SFTP solution with Linux to provide encrypted data transfers with free open source technology.
• Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.
• Optimized performance of the WANnetworkconsisting of Cisco 3550/4500/6500 switches by configuring VLANs.
• Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP and SCP file transfer protocols
• Installation and configuration of Cisco catalyst switches 6500, 3750 & 3550 series and configured routing protocol OSPF, EIGRP, BGP with Access Control lists implemented as per network design document and followed the change process as per IT policy It also includes the configuration of port channel between core switches and server distribution switches.
• Configured and Maintained the Local Network using 2900, 6500 series Switches and 2800 series Routers. Configured and installed the 3600 series Router.
• Configuring Virtual Chassis for Juniper switches EX-4200, Firewalls SRX-210
• Implemented Site-to-Site VPNs over the Internet utilizing 3DES, AES/AES-256 with ASA Firewall 5505
• Designed and implemented VLAN using Cisco switch catalyst 1900, 2900, 5000 & 6000 series.
• Creating change tickets according to the scheduled network changes and implementing the changes.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 7200/3845/3600/2800 routers, Cisco ASA(5505, 5510),LTM, Checkpoint,F5 Load Balancer Cisco Nexus7K/5K, MPLS, Frame Relay, RIPv2, OSPF, BGP, IPSEC, VLAN, STP, VTP, HSRP.

Confidential

Network Engineer

Responsibilities:

• Responsible for the installation, configuration, maintenance and troubleshooting of the client's based network.
• Upgraded Cisco 7200, 3600 Router IOS Software, backup Routers and Catalyst 3560, 4500 switch configurations.
• Design, implement and administer IPv4 enterprise network infrastructure utilizing Cisco routers.
• Implemented antivirus and web filtering on Cisco devices.
• Implemented VTP and Trunking protocols (802.1q and ISL) on 3560, 3750 and 4500 series Cisco Catalyst switches.
• Establish and enforce child support orders.
• Configuration the access-list rules, network object-service group based on well-known port the port i.e. FTP/SFTP, SSH, HTTPS/HTTPS (SSL) and etc
• Verify existing data on an automated child support system.
• Configured and troubleshoot OSPF, BGP and EIGRP.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems.
• Configured RIP and EIGRP on 2600, 2900 and 3600series Cisco routers
• Used various scanning and sniffing tools like Wire shark. experience with a complete insight of Software Development Life Cycle (SDLC).
• Worked with snipping tools like Ethereal (Wire shark) to analyze the network problems.
• Worked in setting up redistribution, access-lists and dynamic routing.
• Worked with convert Checkpoint VPN rules over to the Cisco ASA solution. Migration with both Checkpoint and Cisco ASA VPN experience.
• SNA/SDLC to TCP/IP migration for all endpoints.
• Performed software upgrades on Cisco devices by SCP servers.
• Installation, configuration, and testing Cisco equipment’s, IOS updates, and configuration changing, troubleshooting various LAN/WAN technologies issues for internal and external clients, monitoring network performance, defining network policies and procedures.
• Providing support to networks containing more than 2000 Cisco devices.
• Optimized OSPF and EIGRP network reducing network multicast traffic.
• Had knowledge in Router memory & IOS upgrade with SCP
• Maintenance and troubleshooting of network connectivity problems using PING, Trace Route.

Environment: Cisco routers 2900, 2600, CISCO 3300 and 2900 switches, DNS, DHCP, Routing Protocols: EIGRP; STP, Inter-VLAN routing, VLSM

Confidential

Network Engineer

Responsibilities:

• Worked in Network building and Network infrastructure management team.
• Creating VLANs and Inter-VLAN routing with Multi Layer Switching (MLS).
• Maintenance the general networking objectives of system/network operations.
• Configured and installed Cisco routers 2500, 2600, 3601 and 4000 series.
• Configured EIGRP for lab environment.
• Answer questions to case participants relating to their financial child support/spousal support.
• Project managing complex network implementations, including Cisco PIX firewall and Cisco Intrusion Detection System installation, Cisco VPN and Layer 3 implementations.
• Involved in troubleshooting IP addressing issues and updating IOS images using TFTP.
• Switches Replace branch hardware with new 2851 routers and 2960 switches.
• Handled installation, configuration and troubleshooting of operating systems NT/2000, XP, and Solaris.
• Experience in troubleshooting of Layer 2 features (VLAN, STP, RSTP, VRRP, and Ether Channel).
• Worked with up gradation, replacement of NICs, display cards, RAM, peripheral devices.
• Coordinating with vendors in ordering new products.
• Cisco IOS Architecture for Cisco routers and switches
• Provide high level technical support, including identifying and resolving problems on Cisco supported products for e-Commerce infrastructure. This included external routing and internal/intranet routing for DMZ servers
• Provided helpdesk support that involved identifying and escalating the tickets to specific groups.

Environment: CISCO 2600, 2800 and 3200 series routers, CISCO 3300 and 2950 switches.