Sreenivas

Network & Security Engineer

aczngd@r.postjobfree.com

510-***-****

Professional Summary:

Over 8+ years of professional experience in Network engineering with Cisco Certified Network Engineer, performing Network analysis, design, Implementing, capacity planning with a focus on performance tuning and support of large Networks. Strong knowledge in Cisco Routing, Switching and Security with Cisco hardware/software (heavy Cisco shop) experience.

Experience working on Cisco Catalyst Series3750, 4500, 4900, 6500; Nexus 2000, 5000, 6000 and 7000 series switches.

Extensive work experience with Cisco Routers, Cisco Switches, Load Balancers and Firewalls.

Experience in layer-3 Routing and layer-2 Switching. Dealt with Nexus models like 7K, 5K, 2Kseries, Cisco router models like 7200, 3800, 3600, 2800, 2600, 2500, 1800 series and Cisco catalyst 6500, 4500, 3750, 3500, 2900 series switches

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy

Involved in troubleshooting of DNS, DHCP and other IP conflict problems.

Responsible for Juniper and Cisco ASA firewall administration across global networks.

Experience in working with Cisco Nexus Switches and Virtual Port Channel configuration.

Worked on F5 LTM, GTM series like 6400, 6800, 8800 for the corporate applications and their availability.

Design and configuring of OSPF, BGP on Juniper Routers (MX960, MX480) and SRX Firewalls (SRX240, SRX550)

In-depth knowledge on Routing Policies, Network Architecture, IP Subnetting, VLSM, TCP/IP, NAT, DHCP, DNS.

Experience With EIGRP, OSPF, RIPv2. Cisco Router technologies such as HSRP, VRRP. Familiar with BGP, VRF. LACP, STP/VTP, VSS

Involved in troubleshooting various layer 2 and layer 3 issues related to VRF.

Configured Cisco 7600, 7200 series routers for MPLS VPN connectivity and VRF tables on Edge routers for customer usage of the MPLS network.

Worked on nexus protocols VPC, VRF, VDC.

Implemented VPC, configurations on Nexus 7000, 5000, as well as port turn-ups and decommissions for Cisco 6500 port.

Worked on VDC, VPC, OTV, and fabric path on of Nexus 7K and 5K.

Troubleshot VLANs, VDCs, Ports Virtual port channel (VPC) and configuration on Nexus 7k.

Experience in Designing and assisting in deploying enterprise wide Network Security and High Availability Solutions for ASA.

Experience working with Cisco Nexus 2148 Fabric Extender and Nexus 5000 series to provide a Flexible Access Solution for a datacenter access architecture Expertise in installing, configuring and troubleshooting Juniper EX Switches (EX2200, EX2500, EX3200, EX4200, EX4500, EX8200 series

Enterprise Routing experience using protocols RIP v1 & 2, EIGRP, OSPF and BGP

Expertise in installing, configuring and troubleshooting Juniper Routers ( E,J,M and T-series)

Configuring and Troubleshooting of Various Firewall ACL, NAT rules, policy and protocols like OSPF and Switching protocols like STP, VLAN, VTP.

Knowledge of implementing and troubleshooting complex layer 2 technologies such as VLAN Trunks, VTP, Ether channel, STP, RSTP and MST. Implementation of HSRP, VRRP for Default Gateway Redundancy.

Experience with different Network Management Tools and Sniffers like Wireshark (ethereal).

Experience with F5 load balancers and Cisco load balancers

Configured High availability, User ID on Palo Alto firewall.

Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools

Editing and Changing Palo Alto Polices and Monitoring threats on firewalls.

Analyzed traffic pattern and implemented URL filtering using the Palo Alto Firewall

Troubleshooting and configuring Palo Alto FW's 3060 & 5060

Experience with deployment of Palo Alto firewalls for different NAT, video conferencing traffic

Performing administrative tasks with Palo Alto Networks (Panorama) including Security, NAT policy

Designed security policies on Palo Alto network firewall for controlling what traffic needs to be allowed or blocked based on customer requirements

Extensive experience with Check Point and CISCO Security Firewall Configurations and network configurations.

Strong TCP/IP understanding. Knowledge of debugging Check Point Firewall.

Installed, Configured and currently maintaining Check Point Firewalls (R76 Gaia, R75.40, R75 and R70) in a Distributed Deployment and High Availability Redundancy Scenario

Implementation and administration of Check Point Firewalls & network Management.

Experience in risk analysis, security policy, rules creation and modification of Cisco ASA networks.

Experience in configuring, deploying and deployment of Cisco Security Manager (CSM) for management of ASA [ ] Firewall series.

Established VPN tunnels between Cisco routers and Cisco Firewalls and Palo Alto Firewalls.

Installed, configured and administered Cisco ASA firewall and other Cisco technologies.

Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.

Responsible for PIX, Checkpoint and Cisco ASA firewall administration.

Basic and advance F5 load balancer configurations, including migrating configurations from Cisco ACE to F5 and general troubleshooting of the F5 load balancers

Worked on A10 AX Series Load Balancer.

Detailed technical knowledge of either Cisco ACE, F5, A10 load balancer technology.

Design, Build, and Implement various solutions on Check Point Firewalls, Blue Coat Proxies, F5,A10 Load balancers and F5,A10 Global Traffic Managers.

Detailed technical knowledge of F5, A10 load balancers - LTM, GTM.

Worked on GTMs like F5 and A10's on DNS issues and also was a part of A10 to F5 GTM migrations.

Excellent customer management/resolution, problem solving, debugging skills and capable of quickly learning, effectively analyses results and implement and delivering solutions as an individual and as part of a team.

Efficient at use of Microsoft VISIO/Office as technical documentation and presentation tools.

Configure VRRP & GLBP and VLAN Trunking 802.1Q & ISL, STP, Port Security on Catalyst 6500 switches.

Knowledge of JUNOS platform and worked with JUNOS upgrade of Juniper devices.

Technical Skills:

Cisco Platforms

Nexus 7K, 5K, 2K & 1K, Cisco routers (7600,7200, 3900, 3600, 2800, 2600, 2500, 1800 series) & Cisco Catalyst switches (6500, 4900, 3750, 3500, 4500, 2900 series), CSR/ASR, IOS-XR

Juniper Platforms

SRX, MX, EX Series Routers and Switches

Networking Concepts

Access-lists, Routing, Switching, Subnetting, Designing, CSU/DSU, IPSec, VLAN, VPN, WEP, WAP, MPLS, VoIP, Bluetooth, Wi-Fi

Firewall

ASA Firewall (5505/5510), Checkpoint, Cisco ASA, Palo Alto

Network Tools

Solar Winds, SNMP, Cisco Works, Wireshark

Load Balancers

Cisco CSM, F5 Networks (Big-IP)

WAN technologies

Frame Relay, ISDN, ATM, MPLS, leased lines & exposure to PPP, DS1, DS3,OC3, T1 /T3 & SONET

LAN technologies

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

Security Protocols

IKE, IPSEC, SSL-VPN

Networking Protocols

RIP, OSPF, EIGRP, BGP, STP, RSTP, VLANs, VTP, PAGP, LACP, MPLS, HSRP, VRRP, GLBP, TACACS+, Radius, AAA

Operating System

Windows 7/XP, MAC OS X, Windows Server 2008/2003, Linux, Unix

Certification:

Cisco Certified Network Associate (CCNA)

Cisco Certified Network Professional (CCNP)

Professional Experience:

Anthem Inc, Denver, CO Mar 2015 - Present

Network & Security Engineer

Anthem Inc. is one of the largest health benefits companies in the United States. With more than 73 million people served by its affiliated companies including nearly 40 million enrolled in its family of health plans.

Responsibilities:

Installing, Configuring and troubleshooting Cisco Routers (ASR1002X, 3945, 3845, 2800, 3600) and Switches (6509E, 4507, 4500-X, 4900M, 3850, 3650, 2960) to perform functions at the Access, Distribution, and Core layers.

Configuring, upgrading and deployment of Nexus 7010, 5596 and 2248.

Installation and deployment of new class 9X and class 10 Server farms in multiple silos.

Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.

Working with Cisco Nexus 2248 Fabric Extender and Nexus 5500 series to provide a Flexible Access Solution for datacenter access architecture.

Design, Installation and consolidation of local server farms in multiple branch locations with Cisco 4500-X at distribution and 4948’s replacing the 3750’s at access level.

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

Ensuring problems are satisfactorily resolved in a timely manner with focus in providing high level of support for all customers.

Working with wireless technologies troubleshooting and configuration.

Working with BGP, OSPF protocols in MPLS Cloud.

Experience With EIGRP, OSPF, RIPv2. Cisco Router technologies such as HSRP, VRRP. Familiar with BGP, VRF.

Involved in troubleshooting various layer 2 and layer 3 issues related to VRF.

Configured Cisco 7600, 7200 series routers for MPLS VPN connectivity and VRF tables on Edge routers for customer usage of the MPLS network.

Implemented VPC, configurations on Nexus 7000, 5000, as well as port turn-ups and decommissions for Cisco 6500 port.

Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.

Establishing VPN Tunnels using IPSec encryption standards and also configuring and implementing site-to-site VPN.

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

Configure BGP features such as as-override, Local pre, EBGP load sharing on client connections

Configured and resolved various OSPF issues in an OSPF multi area environment between multiple branch routers.

Working with Juniper JUNOS on M and MX series routers.

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

Implemented various routing protocols such as RIP, EIGRP, and OSPF on Juniper MX routers; also taking care of issues such as discontinuous networks.

Configured and worked on Juniper MX240 and MX40 router, and optimized network for application delivery in virtualized network environment.

Troubleshooting Layer 2 issues, Spanning Tree protocol, RSTP, MST, VTP, VLAN on Cisco – 6500 series switches and Juniper EX-4200 switches.

Configured Juniper routers and switches for WAN and LAN implementation with protocols such as OSPF and LDP enforcing corporate standards ..

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.

Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.

Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.

VM Ware Workstation Virtual machine maintenance and troubleshooting.

Systems administrator with Active Directory, DNS, DHCP, VMware VCenter and Exchange.

Configuring, Monitoring and Troubleshooting Cisco’s ASA 5500 security appliance, Failover DMZ zoning and configuring VLANs/routing/NATing with the firewalls as per the design.

Providing Level 3 support to customers, resolving issues by attending to conference calls.

Configuring multiple route reflectors within a cluster.

Working on HP open view map for Network Management System and Ticketing.

Working on a broad range of topics such as routing and switching, dedicated voice access, planning and implementation, large-scale high-visibility outages, change management coordination, proactive monitoring and maintenance, disaster recovery exercise and core network repairs.

Involved in L2/L3 Switching technology administration including creating and maintaining VLANs, Port security, Trunking, STP, Inter VLan Routing, LAN security.

Configured High availability, User ID on Palo Alto firewall.

Configuring rules and Maintaining Palo Alto Firewalls & Analysis of firewall logs using various tools

Editing and Changing Palo Alto Polices and Monitoring threats on firewalls.

Analyzed traffic pattern and implemented URL filtering using the Palo Alto Firewall

Troubleshooting and configuring Palo Alto FW's 3060 & 5060

Designed security policies on Palo Alto network firewall for controlling what traffic needs to be allowed or blocked based on customer requirements

Detailed technical knowledge of either Cisco ACE, F5,A10 load balancer technology.

Detailed technical knowledge of F5, A10 load balancers - LTM, GTM.

Worked on GTMs like F5 and A10's on DNS issues and also was a part of A10 to F5 GTM migrations.

Working on security levels with RADIUS, TACACS+.

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

New York State Department of Financial Services, New York, NY Oct 2013 – Feb 2015

Network Security Consultant

Responsibilities:

Configuring HSRP between the 3845 router pairs of Gateway redundancy for the client desktops.

Configuring GLBP, VLAN Trunking 802.1Q, STP, Port security on Catalyst 6500 switches.

Configured various Router interfaces like ATM interface, T3 & Channelized T1 interfaces

Configuring and troubleshooting CISCO catalyst 6509, 7609, 7613 with Supervisor cards, Cisco 3640, Cisco GSR 12416,21418(with PRP and RPR processors)

Excellent Troubleshooting Skills and Customer Centric approach.

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

Configured routers and coordinated with LD Carriers and LECs to turn-up new WAN circuits.

Configuring BGP, MPLS in Cisco IOS XR.

Configuring Virtual Device Context in Nexus 7010.

Configuring multiple route reflectors within a cluster.

Providing Level 3 support to customers, resolving issues by attending to conference calls.

Providing Level 3 Engineering and Support to other internal network engineers and contractors.

Designing and installing new branch network systems. Resolving network issues, running test scripts and preparing network documentation.

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.

Working with BGP, OSPF protocols in MPLS Cloud.

Providing daily network support for national wide area network consisting of MPLS, VPN and point-to-point site.

Responsible for service request tickets generated by the helpdesk in all phases such as troubleshooting, maintenance, upgrades, patches and fixes with all around technical support.

Working on HP open view map for Network Management System and Ticketing

Involved in Configuration of Access lists (ACL) on ASA firewall for the proper network routing for the B2Bnetwork connectivity.

Working in high availability Nexus Environment and provide Level 3 Network Support.

Configuring, upgrading and verifying the NX-OS.

Managed Fortinet, Palo Alto, Checkpoint firewalls and reviewed information security requirements.

Extensive experience with Check Point and CISCO Security Firewall Configurations and network configurations.

Experience working on checkpoint blades including IPS, Threat prevention, identity awareness and URL filtering.

Monitoring Traffic and Connections in Checkpoint and Level 3 network operations.

Strong TCP/IP understanding. Knowledge of debugging Check Point Firewall.

Firewall policy configuration on Checkpoint, ASA and Palo Alto Firewalls.

Site to site VPN configuration checkpoint firewall ASA and Palo alto Firewalls.

Migrated firewall rules from Cisco ASA to Palo Alto and Checkpoint Firewalls.

NAT configuration on both Checkpoint and ASA firewalls.

Code upgrade on checkpoint firewalls.

Installed, Configured and currently maintaining Check Point Firewalls (R76 Gaia, R75.40, R75 and R70) in a Distributed Deployment and High Availability Redundancy Scenario

Implementation and administration of Check Point Firewalls & network Management

Basic and advanced F5 load balancer configurations, general troubleshooting of the F5 load balancers.

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

To secure configurations of load balancing in F5, SSL/VPN connections, Troubleshooting CISCO ASA firewalls, and related network security measures.

Designed and implemented DMZ for Web servers, Mail servers & FTP Servers using Cisco ASA5500 Firewalls.

Environment: Cisco 2948/3560/4500/3560/3750/3550/3500/2960/6500 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco Nexus 7K/5K/2K, Cisco ASA5510, Checkpoint, windows server 2003/2008: F5 BIGIP, LTM, OSPF, EIGRP, RIP, BGP, VLAN, VPN, Checkpoint, Juniper SRX

American Airlines, Fort Worth, TX Aug 2011 – Sep 2013

Network Engineer

(AAG), incorporated on February 16, 1982, is a holding company whose primary business activity is the operation of a network air carrier through its subsidiaries, American Airlines, Inc. (American) and its regional subsidiaries, Envoy Aviation Group Inc.

Responsibilities:

Configured OSPF over frame relay networks for NBMA and point to multipoint strategies

Implementing traffic engineering on top of an existing Multiprotocol Label Switching (MPLS) network using Frame Relay and Open Shortest Path First (OSPF).

Provided redundancy in a multi homed Border Gateway Protocol (BGP) network by tunings AS-path

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

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

Studied and analyzed client requirements to provide solutions for network design, configuration, administration, and security.

Implemented security policies using ACL, Firewall, IPSEC, SSL, VPN, IPS/IDS, AAA(TACACS+ & RADIUS).

Placed access control list (ACL) on inside and outside interfaces on the Firewall..

Experience on ACL, Cluster Firewall, and Experience in VLAN Tunnel optimization.

Configuring and Troubleshooting of Various Firewall ACL, NAT rules, policy and protocols like OSPF and Switching protocols like STP, VLAN, VTP.

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

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

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

Involved in troubleshooting IP addressing issues and Updating IOS images using TFTP.

Maintained redundancy on Cisco 2600, 2800 and 3600 router with HSRP.

Created a backup and recovery policy for software application and verified peripherals are working properly.

Possess good experience in configuring and troubleshooting WAN technologies like MPLS, T1, T3, DS3 and ISDN.

Responsible for implementing QOS parameter on switching configuration.

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

Troubleshooting the Network Routing protocols (BGP, EIGRP and OSPF) during the Migrations and new client connections.

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

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

Monitor performance of network and servers to identify potential problems and bottleneck.

Performed RIP & OSPF routing protocol administration.

Interacted with support services to reduce the downtime on leased lines.

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

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

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

Daily responsibilities included monitoring remote site using network management tools, assisted in design guidance for infrastructure upgrade & help LAN administrator with backbone connection and connectivity issue Other responsibilities included documentation and support other teams

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

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

Experience in risk analysis, security policy, rules creation and modification of Cisco ASA networks.

Experience in configuring, deploying and deployment of Cisco Security Manager (CSM) for management of ASA [ ] Firewall series.

Designed, configured, implemented site-site VPN on Cisco ASA 5500 firewall.

Responsible for PIX, Checkpoint and Cisco ASA firewall administration.

Established VPN tunnels between Cisco routers and Cisco Firewalls and Palo Alto Firewalls.

Installed, configured and administered Cisco ASA firewall sand other Cisco technologies.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/12000 /7200/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer Cisco Nexus7K/5K, Checkpoint, Cisco ASA

Polaris, India May 2010 – Jul 2011

Network Engineer

Polaris Networks, based in California with its R&D offices (Dynamic Digital Technology) in India is a technology-centric company specializing in next generation wireless protocols (LTE - Long Term Evolution) and wireless applications. In the last few years, we have grown rapidly, yet our work place continues to be one that promotes employee freedom and makes working fun.

Responsibilities:

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

Commissioning and Decommissioning of the MPLS circuits for various field offices.

Preparing feasibility report for various upgrades and installations.

Ensure Network, system and data availability and integrity through preventive maintenance and upgrade

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

Providing support to networks containing more than 2000 Cisco devices.

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

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

Involved in L2/L3 Switching Technology Administration including creating and managing VLANs, Port security, Trunking, STP, Inter-Vlan routing, LAN security.

Worked on the security levels with RADIUS, TACACS+.

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

Configured switches with port security and 802.1 xs for enhancing customer’s security.

Monitored network for optimum traffic distribution and load balancing using Solar winds.

Validate existing infrastructure and recommend new network designs.

Created scripts to monitor CPU/Memory on various low end routers in the network.

Configuring and troubleshooting multi-customer network environment.

Involved in network monitoring, alarm notification and acknowledgement.

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

Installed and maintained local printer as well as network printers.

Completed service requests (i.e. – IP readdressing, bandwidth upgrades, IOS/platform upgrades, etc.)

Identify, design and implement flexible, responsive, and secure technology services

Handled installation of Windows NT Server and Windows NT Workstations.

Handled Tech Support as it relates to LAN & WAN systems

Yash Solutions, India Jun 2008 – Apr 2010

Network Engineer

Responsibilities:

Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, and DHCP, as well as assisting with customer LAN /MAN, router/firewalls.

Wrote IOS and CAT OS upgrade procedures and Pre/Post checks for customer production upgrades.

Excellent Troubleshooting Skills and Customer Centric approach.

Switches Replace branch hardware with new 2851 routers and 2960 switches.

Implemented Cisco Wireless Access Points and WLC’s at various corporate sites fort 11n Infrastructure and its legacy technologies.

Experience in working with Cisco Nexus 5000 series switches for data center.

Provided estimated bandwidth requirements for data replication, to best determine adequate timing for migration service levels

Configuring HSRP between VLANs, Configuring Ether-Channels, Port Channel on 6500 catalyst

Configuring, managing and troubleshooting networks using routing protocols like RIP, EIGRP and OSPF (Single Area and Multi Area).

Configured OSPF on CISCO devices with multiple routing processes and redistributed them. Tested and hands on experience in multi area OSPF topologies.

Configured VLANs with 802.1q tagging. Configured Trunk groups, ether channels, and Spanning tree for creating Access/distribution and core layer switching architecture.

Assisted in network engineering efforts consistent with the infrastructure of an Internet Service Provider and support of such network services. Helped in designing and implementation of VLAN for the new users.

Installation and Configuration of various types of Personal Computers and Printers. Installation of different operating systems on Intel based PC's.

Installed Hard disks, Floppy drives, CD Drives, Sound Blaster cards, CPU, Memory, Power supply unit, Network card, Video graphics card, Hard disk controller card on PC systems.

Troubleshooting of personal computers. On line Support to customers concerning their computer problems.

Assisted with troubleshooting all network issues with routers and switches when necessary and consulted with on call tech as needed for client.

Monitor, troubleshoot, test and resolve Frame Relay, ATM, MLPPP, PPP, and Dial-up.

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.

Configuring Vlan’s, VTP’s, enabling trunks between switches.

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