PROFESSIONAL SUMMARY:

• Network & Security Professional wif 10 years of experience in Designing and troubleshooting LAN, WAN, MPLS in Branch, Campus and Data Center environments.
• Experience in Wireless LAN (IEEE 802.11) and deployment of light weight access point.
• Extensively exposed to troubleshooting, maintaining devices and migration of technology.
• Efficient use of Microsoft VISIO/Office for technical documentation and presentation tools.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting
• Experience wif routing protocols like EIGRP, OSPF, RIP, BGP and IP addressing,
• Experience in Troubleshooting connectivity and hardware issues on Cisco Networks.
• Experience in L2/L3 protocols like VLAN, STP, ISL, MPLS and Trunking protocols.
• Proficiency in Cisco Routing, Switching and Security wif strong Cisco hardware/software experiences wif Cisco Routers such as 1900, 2900, 3900, Cisco ASR - 1k/9k, Cisco ISR 2900, 3900, 4000 series, Cisco Multilayer Switches 4500, 6500, Cisco CRS 4/8 CRSx, Cisco Nexus 2k/5k/7k/9k, Cisco/Meraki Wireless, Confidential 2920, 3500, A5000 Series and Juniper: M320, MX80, MX480, MX960 and EX4200, EX8200 switches, F5 Networks. Palo Alto Networks.
• Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner, Remote-Access VPN etc.
• Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA wif Business Partner Firewall.
• Multicast: PIM-DM,-SM,-BIDIR,-SSM, MSDP
• QoS: Policing, Shaping, H-QoS, LLQ, SRR, WRR, CBWFQ
• MTA Security Fundamentals, MTA Server Fundamentals, MTA Operating System Fundamentals, MTA Networking Fundamentals.
• Experience in configuring and Troubleshooting BIG-IP F5 load balancer LTM,GTM
• Has Experience in Global ITIL Network Support.
• Good knowledge in F5 and Cisco ACE, Citrix Netscaler 10, load Balancing.
• Creating Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module.
• Experience in Layer 3 Routing protocol configurations: RIP, EIGRP, OSPF, BGP, & MPLS.
• Experience in Layer 2 Routing protocol configurations: ATM/FRAME RELAY, IP services such as QoS and VPN technologies: IPSec & SSL.
• Implemented MPLS/VPN services for various customers
• Experience in configuring and troubleshooting vPC on Cisco Nexus-5k for downstream FEX and Servers.
• Experience in configuring VLANs, STP, VTP, PVST and 802.x autantication in access layer switches.
• Strong knowledge of HSRP, VRRP Redundancy Protocols in high availability environment.
• Experience wif different Network Management Tools and Sniffers like SNMP, Confidential -Open view, and Cisco works to support 24 x 7 Network Operation Center.
• Worked extensively in Designing, Implementing & Managing LAN, WLAN & WAN solutions for different client setups. In-depth knowledge and experience in WAN technologies including T1, T3, ISDN, HDLC, Point to Point, ATM & Frame Relay.
• Experience in Physical cabling, IP addressing & subnetting wif VLSM, configuring and supporting TCP/IP, DNS, installing and configuring proxies.
• Access Control Server configuration for RADIUS & TACACS+.
• Ability to Install, Manage & Troubleshoot Large Networks & Systems Administration on Windows & Linux platforms in Development, Staging, Lab & Production Environments.
• Strong Experience in using various tools for management, analyzing, troubleshooting, monitoring & process automation in Lab & Production environment.
• Highly valuable Project Management and Operations Planning skills.
• Good knowledge in WAN Technologies, ACL, NAT/ PAT, Ether Channel, IPSEC and VPNs.
• Enhanced level of knowledge in PPP, ATM, T1 /T3 Frame-Relay.
• Expertise in implementation and troubleshooting of protocols such HSRP, VRRP, GLBP, RSVP ACL.
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP),
• Knowledge of Terminal Server, Firewalls, Standard/ Extended ACL, Distribute-Lists.
• Work closely wif Customers in determining the business needs for a Project and build Detail design which includes Data Flow diagram, Logical and Physical Diagram
• Perform Design, Implementation & Change Control Script review across organization
• Continually update understanding of business and technology status and objectives and respond to strategic design requests as the business evolves
• Constantly Monitor & Analyze Network Performance to detect problems and find ways to improve the Network
• Perform analysis and diagnosis of highly complex networking problems in the Data Center Environment
• Build simulated networks in test labs to resolve highly complex problems and compatibility issues
• Involved in various POC to test drive new Products/Technologies that would Value add to our Data Center Operation
• Implementing security policies using ASA 55XX Firewall as well as Fortinet firewall,IPS/IDS, AAA Security (TACACS+, RADIUS) on different series of routers
• Extensive experience wif Cisco IOS, NX-OS, IOS-XR, JunOS, Windows client/server operating systems, Linux, Networking technologies, Firewalls.
• Maintenance of existing network for day to day activities like link utilization and traffic monitoring.
• Experience in implementation, support and troubleshooting of VLAN’s including operational knowledge of spanning tree protocol (STP), VLAN trunking, inter VLAN routing and ISL/802.1q.
• Working experience wif Natting techniques on firewalls such as Cisco ASA, Juniper SRX.
• Understanding of Python scripts 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 wif ACL, NAT, Object Groups, Failover, Multi-Contexts
• Experience wif Cisco IOS, Cat OS, Cisco IOS XR and JUNOS
• Planning, Designing, Installing, Configuring of Cisco 6500, 4500, 2900, 3500, 3750 XL series switches, Cisco 1800, 2500, 2600, 2800, 3600, 3800, 7200 series Routers.
• Expertise on JUNOS OS, J Series, M Series, MX Series .
• Strong experience in configuration and troubleshooting of routing protocols PPP, RIP, EIGRP, BGP, OSPF, HSRP, IPX, IP, IGMP, QoS, 802.1q and SNMP wif excellent documentation skills.
• Extensive working experience of VLANs, Ether channels, Spanning tree protocol and HSRP.

TECHNICAL SKILLS:

Routing: ISIS, OSPF, EIGRP, BGP, RIP, PBR, Route Filtering, Redistribution, Summarization, Static Routing, GSR, CRS1 and CRS3

Switching: LAN, VTP, STP, PVST+, RPVST+, Inter VLAN routing &Multi-Layer Switch, MPLS

Transparent Bridging Routers: Juniper MX80, MX240, MX 480, MX960, ACX 1000, M120, Cisco 2620, 2901, 3925, 3945E, 7201, 7613

Switches: Juniper EX2200, EX2500 Cisco Catalyst 2232, 2960, 3560, 5596, 6509-E, 9300, 9500. Nexus 2232, 5596, 7009.

Network Security: Cisco ASA 5540, ASA 5525x, ACL, IPSEC.

Load Balancer: F5 Networks (Big-IP) LTM 6400, 1600.

LAN: Ethernet, Fast Ethernet, Gigabit Ethernet

WAN: PPP, HDLC, Channelized links (E1/T1/E3/T3), Fiber Optic Circuits, Frame Relay

Gateway Redundancy: HSRP, VRRP, GLBP.

Various Features: IOS and Features, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, TFTP, FTP& services

AAA Architecture: TACACS+, RADIUS, Cisco AC

Network Management: Wireshark, SNMP, Etheiral, EMC Smarts

Operating Systems: Windows (98, ME, 2000, XP, Server 2003/2008, Vista, Windows 7)

PROFESSIONAL EXPERIENCE:

Confidential, Bethpage, NY

Network Engineer

Responsibilities:

• Testing, certifying and planning the implementation of all video infrastructure hardware, software and architecture as it pertains to existing and new components for provisioning linear video architecture and device including QAMs, DCMs, Encoders, EAS, Antennas, STB, CPEs, WIFI, cable modems, etc.
• Testing and troubleshooting cable modems based on DOCSIS upstream and downstream specifications to ensure proper network functionality.
• Testing and troubleshooting modems, switches, routers and gateways based on Network protocols, TCP/IP protocol, UDP protocol, TR-69 etc.
• Testing and troubleshooting various issues related to Customer Premises Equipment (CPE), WIFI and Set-top boxes to optimize network performance.
• Troubleshooting software development and quality assurance issues to make sure the network is functional and optimal.
• Troubleshooting wif automated testing tools, scripting, Agile/Scrum development processes to fix network and performance issues.
• Plan, test and troubleshoot security measures to protect data, software and hardware to ensure network security.
• Code new development and maintain existing systems to maintain data security, monitor data files, regulate access, and perform backups and recovery operations.
• Provide oversight and resolution of network connectivity and software issues for local and remote users.
• Diagnose, troubleshoot and resolve hardware, software and other network & systems problems, replace defective components as necessary.
• LAN/WAN administration, performance of hardware builds, set up offsite backup and testing systems, set up security measures and ensure compliance.
• Automate Router certification process using open source tools like Python, Ansible and Dockers.
• Automation of WiFi performance tests using Python and REST API’s.
• Developing backend applications for Cable modem certification using Python Flask Framework.
• Involved in troubleshooting large scale enterprise VOIP networks.

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Worked as a point of contact for the build team to help them build the servers and address the concerns they had about network connectivity, troubleshooting, maintenance and design. Designed and deployed new switches to accommodate the expanding network, upgraded existing switches, updated IOS images to accommodate the new capacities and made necessary configurations.
• Worked on analyzing various packet captures to determine network performance issues, congestion, latency and Qos issues using wireshark tool.
• Worked on deploying Gigamon as an alternative to the network traffic aggregation tool ANUE.
• Worked on migrating the maps, connections and the traffic flow from ANUE to the gigamons.
• Worked on the administration, troubleshooting, updating and maintaining the Gigamon applicances.
• Responsible for the administration of the Sophos Reverse proxy appliances by performing troubleshooting, maintenance, updating and upgrading and HR redundancy testing. Responsible for defining network traffic policy and user access to Sophos appliances.
• Acted as the subject matter expert for Sophos and implemented it as a reverse proxy solution for HTTP, HTTPS traffic for Office 365 migration.
• Worked on designing, rebuilding and deploying Cisco ISE (version 2.1) compliant to Cisco production standards and according to the requirements of the expanding network.
• Responsible for the administration of Cisco ISE autantication appliances by performing troubleshooting, maintenance, updating and upgrading the firmware. Responsible for adding network devices and network users to ISE for autantication purposes. Performed DR (Disaster Recovery) testing for determining the proper working of the ISE appliances in case of a disaster scenario involving data loss.
• Responsible for adding backup/ repository servers to ISE according to audit compliances.
• Working on a project to update Cisco ISE to version 2.3 from 2.1.
• Responsible for the administration of RSA autantication manager engine by performing troubleshooting, maintenance, updating and upgrading the firmware. Responsible for adding network users and devices to RSA for autantication purposes via RSA tokens and keys.
• Worked on implementing Cisco any connect VPN client to enable certificate based autantication (in addition to the two factor autantication) to access the existing corporate VPN using Cisco ASA 5525x series firewalls.
• Worked as a point of contact for Atlanta Embassy Row and concourse datacenters for installing, troubleshooting, upgrading and maintaining various customer equipment, cabling, servers etc.
• Worked on deploying two new MDFs in a Campus network. Was involved in deploying Cisco Catalyst 9300 and 9500 switches in stack configurations to accommodate data connections, wifi and audio.
• Worked on routing/switching, switch replacement, configuration changes and other general routing/switching.
• Installed, configured and updated various Confidential owned Cisco devices to facilitate LAN and WAN connection.
• Provided On Call support to troubleshoot network connectivity to resolve issues that happen off hours.
• Worked wif Load Balancing team in a project to migrate from Citrix Netscalers to F5s by providing network support, troubleshooting, configuring and deploying new switches to accommodate their new builds.
• Replaced aging Cisco ASA firewall architecture wif next gen Palo Alto appliances serving as firewalls and URL/ application inspection; configured and troubleshot issues on Checkpoint R77.10 Gaia, Cisco ASA 5540 and Checkpoint environments.
• Experience working wif Arista networking devices such as 7150 series switches, 7300X series modular switches in datacenter setting. Experience wif Arista Cloudvision.
• Experience working as part of a team in setting up Bluecoat proxy SG server for office and remote users, integrating it to existing solutions and deploying it.
• Experience wif Ansible and its networking modules.
• Experience implementing Cisco ACI in datacenters.
• Worked on migrating data center from network centric model to application policy model infrastructure.
• Worked on migration from classic architecture to Spine/leaf for ACI support.

Confidential, Manassas, VA

Network Engineer

Responsibilities:

• Involved in the implementation of Data Center Migration from the Warrenton site to Ashburn site and assisted wif the consolidation of multiple data centers
• Conducted planning, network design and implementation to meet network requirements for the design and build of the data center and national wide networks
• Configured and deployed various Cisco routers, Cisco Nexus Switches, Juniper SRX and Cisco ASA firewalls in the data center environment
• Installed, configured and troubleshot various Cisco routers and switches including Cisco Nexus (9k, 7k, 2k and 5k) and Catalyst switches (3750, 3850)
• Designed and implemented MP-BGP and MPLS LDP
• Installed and configured VPN backup routers in several sites to create WAN redundancy
• Implemented DMVPN phase 2 as part of WAN backup
• Providing support for network connectivity or related network issues
• Analyzing network activity and network problems to discover and prevent systematic errors, recommending and performing network design changes/ enhancements for improved systems availability and performance
• Enabled STP attack mitigation (BPDU guard, Root guard) using MD5 autantication for VTP
• Troubleshooting, escalation management and resolving of the network issues
• Analyzing, recommending and performing implementation of software or hardware changes/ enhancements to rectify network deficiencies and to enhance network performance
• Ensuring planned testing activities are performed and technical criteria are met
• Deploying of VLANs, port and IP allocations and planning on ASR 9k, Nexus 7k, 5k, 2k and its downstream devices
• Experience wif Load Balancing on Cisco ACE and F5
• Administration of ASA firewalls in the DMZ and FWSM in the Server Farm to provide Security and Controlled/ restricted access
• Designed, maintained and troubleshot ACL rules to fit the need of the customer
• Worked on the Configuration on BIG IP (F5) Load balancers and also monitored the Packet
• Flow in the Load balancers
• Created Virtual Servers, Nodes, Pools and iRules on BIG-IP F5 in LTM module
• Implementation and Configuration (Profiles, iRules) of F5 Big-IP LTM-6400 load balancers
• Configuring, upgrading and verifying the NX-OS system
• Design and configuration of OSPF, BGP and static routing on routers and firewalls
• Experience in set up, configuration and management of Cisco ASA Firewall in various domain such as Internet, DMZ, Business-Partner, Remote-Access VPN etc.
• Experience in creating DAP Policies on Cisco ASA for Remote-access users and Creating IPSEC tunnel on ASA wif Business Partner Firewall
• Experience working wif Cisco Firepower 4120 and FirePOWER 7030 as a Next Gen IPS (NGIPS) wif integrated URL filtering and Malware protection
• Designed, deployed and maintained Cisco Sourcefire Next gen Firewall and IPS wif 10 firepower sensors and fire sight management console
• Found vulnerabilities in the network using Cisco NIDS and created security policies to avoid and detect network intrusions
• Extensively used Imperva SecureSphere tool extension to comply HIPAA audits
• Experience working on Cisco IDS Device Manager and IPS Device Manager (IPS 7.1)
• Experience working on IDS for traffic monitoring and evaluation
• Experience working on Intrusion Prevention systems such as NIPS and HIPS for traffic evaluation
• Configured, maintained rules on Palo Alto firewalls such as PA-3060 for Application and URL filtering, IPS; implemented zone based firewalling and security rules.
• Experience wif Red Hat Enterprise Linux 7.2 (RHEL)
• Supported global customers wif customized RHEL configurations and troubleshooting through our global queue system
• Worked on Checkpoint software blades

Confidential, Sterling, VA

Network Engineer

Responsibilities:

• Was involved in the implementation of Data Center Migration in the Sterling site and assisted wif the consolidation of multiple data centers
• Acted as the point of contact for the Sterling site, handled all installations, ISP connections, helped wif configuration, setup and testing of all devices such as Cisco Catalyst switches (3750, 3850), Cisco routers (4800, 3800, 3600 etc.), Cisco switches (2900, 6500, 3700), Cisco Nexus 7k, 5k, 2k & ASR 1k, 9k, Juniper SRX and Cisco ASA firewalls
• Configured, maintained the Routers and Switches and implemented BGP, OSPF, EIGRP routing protocols and troubleshot remote infrastructure management offices in different locations nationwide
• Troubleshot and escalation management of day-to-day issues for offices; managed co-location and Datacenter infrastructure in North America
• Analyzed customer application and bandwidth requirements, ordered hardware and circuits, and built cost effective network solutions to accommodate customer requirements and project scope
• Configured Client VPN technologies including Cisco’s VPN client via IPSEC
• Built site-to-site IPSec VPNs over Frame-relay & MPLS circuits on various models for Cisco routers to facilitate adding new business partners to new and existing infrastructure
• Experience wif design and implementation of Data Center migration
• Administered multiple Firewall of Juniper SRX in a managed distributed environment
• Experience working wif design and deployment of MPLS Layer 3 VPN cloud, involving VRF, Route Distinguisher (RD), Route Target (RT), Label Distribution Protocol (LDP) and MP-BGP
• Designed and deployed MPLS traffic engineering and was involved in devising strategies for the expansion of the MPLS VPN network and the implementation of it
• Designed and deployed MPLS QOS and MPLS multicasting to suit company requirements
• Configured BGP in the data center environment to be used as part of the WAN environment by manipulating the BGP attributes
• Performed IOS upgrades on various Cisco routers and Catalyst switches (3750, 3850)
• Deployed and distinguished VLANs on core ASR 9k, Nexus 7k, 5k, 2k and its downstream devices
• Worked on RHEL 7
• Configured, upgraded and verified the NX-OS operating system
• Configured Nexus 2000 Fabric Extender (FEX) which acts as a remote line card (module) for the Nexus 5000
• Worked on Juniper environment including SRX/Junos Space
• Configured OSPF, Static routing and BGP on Juniper routers and integrated them wif the core infrastructure
• Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Designed and configured OSPF, BGP on Juniper routers and SRX firewalls
• Configured and implemented Access lists (ACL) on Cisco ASA and Juniper SRX (210, 550) series firewalls
• Hands on experience on all software blades of checkpoint firewall.
• Hands on experience on Palo Alto firewalls.
• Moderate knowledge in configuring and troubleshooting Aruba and Cisco Wireless Networks: LWAPP, WLC, Standalone APs, Roaming, Wireless Security Basics, IEEE 802.11 a/b/g, RF spectrum characteristics
• Experience working on Cisco Sourcefire IPS and IDS Device manager IDS 4.0
• Experience working on Cisco ASA IPS module

Confidential, Atlanta, GA

Network Engineer

Responsibilities:

• Worked as part of a team that provided support and assisted in design and implementation of Data Center Migration, worked on implementation strategies for the expansion of the MPLS VPN networks
• Helped design MPLS VPN and QoS for the architecture using Cisco multi-layer switches
• Troubleshot LAN/WAN by using routing protocols EIGRP, OSPF, & BGP
• Configured VTP for Inter-VLAN Routing, Ether Channel (LACP & PAGP) and RPVST for loop avoidance
• Deployed PIM Sparse-mode/Dense-mode multicasting in Campus locations
• Created and maintained VLANS, Port security- 802.1x, Trucking 802.1Q, RPVST+, Inter-VLAN routing, and LAN security on Cisco Catalyst Switches 4507R+E, 6509-E and Cisco Nexus Switches 2232, 5596, 7009
• Worked on Juniper M and MX routers (MX 480, MX960) and configured static routing, OSPF and BGP
• Configured VLAN, Spanning tree, VSTP, SNMP on EX series switches
• Involved in the Configuration of NAT on Cisco and Juniper devices
• Worked on Juniper: EX-2200, EX-4200, EX-4500, MX-480, MSeries, SRX210, and SRX240
• Configured Juniper MX480s, EX8200s, EX4500s, EX4200s, and SRX5800s from scratch to match design
• Created break fix environment for RHEL using VMWare to train team members
• Worked on ASR 9000 series switches wif IOS-XR
• Implemented Access lists and policy mapping on Juniper routers installed in each branch across all the states
• Supported ISIS and BGP based on the network by resolving level 2 & level 3 problems of internal teams & external customers of all locations
• Configured HSRP between the 3845 router pairs for Gateway redundancy for the client desktops
• Configured and troubleshot Juniper Router (J2320) wif IOS (JUNOS 114.4 R7.5)
• Performed IP address planning, designing, installation, configuration, testing, maintenance, and troubleshooting in complete LAN, WAN development
• Configured Juniper routers for VRRP network routing redundancy
• Provided daily network support for national wide area network that consisted of MPLS, VPN and point-to point site
• Worked on configuration and commissioning of the MPLS circuits for various branch offices
• Helped design and deployment of Client VPN technologies including Cisco’s IPSEC VPN between the ASA Firewall and between Cisco Routers
• Worked on Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture
• Experience wif converting 6500 to Cisco Nexus in the data center environment
• Helped wif deployment of Fibre Channel over Ethernet (FCoE) between the Data Centers using Nexus 5548P Switch
• Configured VPC, VDC and ISSU software upgrade in Nexus 7010
• Configured, upgraded and verified NX-OS operation system wif OSPF, BGP
• Troubleshot complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP, MPLS
• Served as part of a team responsible for base wide network upgrade from Cisco Layer 3 Catalyst switches to Juniper Layer 3 EX4200 & EX3200 switches
• Designed, implemented and administered IPv4/IPv6 enterprise network infrastructure utilizing Juniper routers
• Implemented Site-to Site IPsec VPN between two branch offices and also SSL VPN for users connecting from various locations
• Performed Network Security Assessment and implemented security improvements such as network filtering, SSH, AAA, SNMP access lists, VTY access lists, EIGRP MD5 autantication, and HSRP autantication
• Implemented antivirus and web filtering on Juniper SRX 240 at the web server
• Provided Layer-3 redundancy by implementing HSRP and GLBP for High availability

Confidential, Philadelphia, PA

Network Engineer

Responsibilities:

• Worked as part of a team to manage Enterprise Network Infrastructure as a Tier 3 Support Engineer
• Was responsible for maintaining the entire Routing and switching domain across the campus network and the Branch to Head Office network
• Maintained the Layer-2 campus network across the remote branches including configuring of VLANs, trunks, Spanning Tree protocol and Port-Security for Switches
• Dealt wif implementation of Cisco devices deployment and security policy applications
• Troubleshot issues related to VLAN, VLAN Trunking, HSRP failovers, related issues
• Was involved in the planning for IOS upgrade and performed the upgrade over the devices in the campus network
• Was responsible for turning up BGP peering, adding BGP peers for remote branch offices and business partners, customer sessions and debugging BGP routing problems
• Managed enterprise BGP setup by configuring and troubleshooting BGP related issues
• Was involved in configuring and implementing of Composite Network models consisting of Cisco 7600, 7200, 3800 series and ASR 9k, GSR 12K routers and Cisco 2950, 3500, 5000, 6500 Series switches. Cisco Catalyst switches: Cisco 3750, 4500, 6500 series switches
• Configured networks using routing protocols such as OSPF, BGP and manipulated routing updates using route-map, distribute list and administrative distance for on-demand infrastructure
• Provided technical security proposals, security presentation, installing and configuring ASA firewalls, VPN networks and redesigning customer security architectures
• Designed and implemented Catalyst/ASA Firewall Service Module for various LAN’s
• Administration of ASA firewalls in the DMZ and FWSM in the Server Farm to provide Security and Controlled/ restricted access
• Monitored network traffic and developed capacity planning initiatives, making necessary recommendations for additional resources or hardware
• Responsibilities also included writing and executing Test Plan, Desk level procedures and Test Case documents to ensure smooth network operations

Confidential

Network Engineer

Responsibilities:

• Configuration, Management, Troubleshooting of Network devices (Routers, Switches)
• Maintained the Telecommunication Connectivity using DSL and T1 Lines
• Implemented and maintained Local/Wide Area Network over 13 branches
• Worked in Configuration and extension of VLAN from one network segment to other segment between different vendor switches (Cisco, Juniper)
• Troubleshot Hardware, Cisco IOS, installed and configured Cisco routers and switches
• Configured switch VLANs and inter-switch communication, built and setup network Lab
• Maintained effective communications wif vendors, peers and clients in resolution of trouble-tickets, Equipment RMAs, and support requests
• Involved in the Configuration of NAT on Cisco devices
• Key contributions include troubleshooting of complex LAN/WAN infrastructure that include routing protocols EIGRP, OSPF & BGP
• Configured ACL to allow only authorized users to access the servers
• Participated in on call support in troubleshooting the configuration and installation issues
• Installation, Maintenance, Troubleshooting Local and Wide Areas Network by using NAT, DHCP, TCP /IP
• Provided Technical support in terms of upgrading, improving and expanding the network
• Worked on Routers Cisco 2620, Cisco 3750, and Cisco 2950 Switches & Link sys wireless access points
• Maintained complex LAN/WAN networks wif several VLANS and provided support for routing protocols
• Managed IP addressing and implemented IP Access Lists
• Configured and troubleshot VLAN, VTP, STP and Trunks
• Configured and Maintained TACACS+ for AAA
• Installed and configured protocols like TCP/IP and Internet protocols including Local Area Networking, routing and HTTP
• RMA’s and provided 24x7 support