Senior Network Technician

Skills

Employment History:

Confidential

Senior Wireless LAN Gateway Engineer

Responsibilities:

• Served as the Senior Wireless LAN Gateway Engineer for Comcast's Home as a Hotspot Wireless solution.
• Served as the primary technical POC for Comcast to evaluate multiple vendor BRAS solutions in Product Engineering Division
• Served as the primary technical contact for various tech trials to validate vendors solutions within Comcast network
• Composed, updated and maintained Comcast vendor requirements document
• Evaluated, tested and validated vendor solution against Comcast BRAS requirements
• Performed various load testing, i.e., DHCP IP allocations, subscriber management for BRAS performance measurements,
• Interface with AAA server for various subscriber management policy flows and AAA accounting
• Configured Vlans for client and management traffic in aggregation switch
• Configured subscriber management profiles and subscriber management SLA profiles
• Scheduled, Coordinated and conducted vendor meetings
• Coordinated BRAS maintenance outages for upgrades and repairs
• Develop Visio architectural drawing of network designs
• Implemented MCSE, CCNA, CCNP and JNCIS.
• Configure and troubleshoot spanning tree and Trunking related issues.
• Managed and oversaw the deployment selected vendor BRAS equipment
• Configure catalyst switches for VOIP Vlan
• Develop Test Plans to test vendor specific solution for Comcast BRAS deployment to support subscriber management
• Developed Test Plans to document user case experiencing from accessing to authentication
• Analyzed IP traffic using WireShark for packet capture and analysis
• Configured Open SSID in multiple vendor access points
• Installed and terminated fiber optic and Cat5 cables for voice and data
• Configured ASAs and PIX firewalls for secure access to network resources.
• Configured 802.1x SSIDs for multiple vendor access points
• Configured NAT for client traffic for various vendor configured SSID
• Hardware: Alcatel-Lucent SR-12 7750 Service Router, Arris Dory AP Device, BENU Meg 100 Service Router, Cisco 6500, Cisco ASR 1000, Belarie AP indoor 20E and outdoor SN100.

Confidential

Senior WI-Fi Network Engineer

Responsibilities:

• Served as Senior Wi-Fi Network engineer for TWC Wi-Fi solution deployment in LA East Coast region. I was engaged in the full gamut of responsibilities of the deployment from design, configuration testing and operations hand-off.
• Served as the Cisco subject matter expert for TWC Wi-Fi Core Network design routing and switching configuration and troubleshooting.
• Reviewed, validated, documented published TWC Wi-Fi design requirements for Cisco, BelAire and Ruckus Deployment into TWC Wi-Fi Core network
• Document and published Operations Configurations Guide for LNS, 4900M Aggregation Switch, and NAT Router.
• Develop Test Plans to test vendor specific solution for TWC Wi-Fi Solution
• Configure and troubleshot QoS on routers and switches to prioritize multicast streams across the network
• Developed Test Plans to document user case experiencing from accessing to authentication
• Configured DHCP server to allocate IPs for various SSID/Vlans, DHCP option for vendors
• Configured Cisco LNSs ASR1000 for BelAire Tunnel termination and routing
• Configured and tested BelAire AP and LNSs controller design solutions for TWC Wi-Fi Core
• Configured and tested Ruckus APs, ZD and FlexMaster NMS design solutions for TWC Wi-Fi Core
• Configure and tested Cisco AP and Controller design solutions for TWC Wi-Fi Core
• Configure catalyst switches for VOIP Vlan
• Perform Wireless LAN survey and troubleshooting for network outages resource availability.
• Configured and troubleshot Cisco 4900M Aggregation Switch, Cisco LNS and ASR100 NAT Router
• Analyzed IP traffic using WireShark for packet capture and analysis
• Configured SSID in multiple vendor access points
• Installed and terminated fiber optic and Cat5 cables for voice and data
• Configured vrf-lite to support the isolation of vendor specific SSID and client traffic
• Configured NAT for client traffic for various vendor configured SSID
• Configure and troubleshoot spanning tree and Trunking related issues.
• Served as the Lead to test and document the TWC Wi-Fi Design topology for auto and manually failover of failed devices and links within the Wi-Fi Core. This involved developing various test scenarios and generating various test against expected outcomes. A thorough knowledge of routing protocols, layer 2 technologies and as well as physical media technologies were required to provide the technical explanation for each test result.
• Use Visio to Document the TWC Wi-Fi Design on the Device and Link levels
• Configured OSPF, Spanning-tree, BGP, L2TP, PPP, to support Wi-Fi Core
• Designated as Lab Manager to manage the integration of devices into the lab core.
• Designated as the IP Manger to manage IP pools for the TWC Lab Wi-Fi Core
• Hardware: BelAire indoor 20E and outdoor SN100, Cisco LNS to terminate L2TP for BelAire APs, Ruckus AP 7363 , Ruckus ZD5000, Ruckus FlexMaster NMS, Cisco AP 1552C, Cisco Controller5500, Cisco 4990 M aggregation switch, Cisco ASR100 B-RAS, Cisco ASR100 NAT Router .

Confidential

Lead Senior Network Engineer/Telecommunications

Responsibilities:

• Served as Senior Network Engineer to support and manage HUD's network enterprise and WAN infrastructure
• Support HUD's data, video and webcast networks.
• Implements new devices, performs maintenance, supports operation of LAN/MAN/WAN, and performs daily webcast related tasks.
• Monitors Webcasts, LANs/MAN/WAN circuit needs and recommends improvements and modifications to existing infrastructure
• diagnoses and resolves complex WAN/LAN issues and designs and implements LAN/WANs including routers, switches, firewalls and appliances
• Track, report, and resolve Network problems.
• Track, report, and resolve VTC problems.
• Track, report, and resolve Webcast problems.
• Track, report, and resolve Firewall problems Cisco ASA 5520 s .
• Monitor daily performance through automated tools: E-health, Scrutinizer ACE Live monitoring tools.
• Perform upgrades to hardware and software as required.
• Implemented MCSE, CCNA, CCNP and JNCIS.
• Develop and maintain documentation regarding network configurations, operating procedures, and service records relating to network hardware and software.
• Supported and monitored access and trunk links to servers and server farms
• Served as backup lead during HUD enterprise wide switch refreshes
• Used Intrusion Detection devices
• Troubleshoot NIH backbone fiber circuits, routing problems, latency, packet loss and outage issues
• Prepare senior management notes/slides for presentation to HUD contract overseers for daily morning meetings
• Configures and troubleshoot Multicast related issues
• Configure, manage, administer and troubleshoot Cloud network for HUD business partners
• Perform network architecture drawing using Visio
• Setup and administers Secretary of HUD Town hall webcast and other program areas webcast.
• Configure and troubleshot QoS on routers and switches to prioritize multicast streams across the network
• Configure VPN using IPSEC protocol suite for home users, HUD business partners, etc.
• Configure TACACS and Radius servers on router and switches
• Configure and troubleshot the following protocols: OSPF, BGP, HSRP, LDP, RSVP, RSPAN, EIGRP, VPN, Spanning tree, ATM, Frame-relay, and PPP etc.
• Perform IOS upgrades and module replacement
• Perform network management and monitoring via ACE Live, Cisco Works, Cisco LAN Management, Scrutinize and E-Health monitoring tools and respond to network management alerts accordingly.
• Configure HSRP related issues for redundancy and network availability.
• Document customer reported issues and troubleshooting solutions in Service Desk trouble ticketing system
• Perform diagnostics i.e., pings, loopback testing and other techniques to determine the cause of network/customer outages for DS1, DS3, OC3 circuits

Confidential

Senior Network Engineer/Management

Responsibilities:

• Served as Security Engineer consultant
• Served as Senior Network Engineer consultant
• Security Appliance include PIX firewall, ASA, and Checkpoint
• Prepared Proposals and statement of works for clients
• Interfaced with telecommunications personnel to troubleshoot data circuit issues
• Performed systems administration using Microsoft Active Directory by creating and modifying user accounts, DHCP and authentication
• Configured VPN using IPSEC protocol suite
• Configured TACACS on router and switches
• Configured RADIUS servers
• Configure and troubleshot VOIP phone
• Configure and troubleshot the following protocols: OSPF, BGP, HSRP, LDP, RSVP, RSPAN, EIGRP, VPN, Spanning tree, ATM, Frame-relay, and PPP etc.
• Performed network monitoring, design, mapping, inventory, and assessment,
• Configure modems and terminal services.
• Performed limited security vulnerability assessments on servers, routers and switches.
• Served as the Security Engineer and Senior Network Engineer.
• Performed maintenance on Cisco 6500, 4000, 3500 and 2900 series switches and routers
• Performed IOS upgrades, module replacement,
• Performed network management and monitoring via Net cool and responded to network management alerts accordingly.
• Configured and troubleshot HSRP related issues for redundancy and network availability.
• Document customer reported issues and troubleshooting solutions in Remedy trouble ticketing system
• Implemented MCSE, CCNA, CCNP and JNCIS.
• Configure and troubleshot QoS on routers and switches to prioritize multicast streams across the network
• Monitored the network using Net cool, Niksun, HP Openview, and Cisco LAN Management
• Perform diagnostics i.e., pings, loopback testing and other techniques to determine the cause of network/customer outages for DS1, DS3, OC3 circuits
• Work with various Telco's to isolate physical layer and data link circuitry faults for customer circuits.
• Assist FE with replacing cards to high-end Cisco devices, troubleshooting fiber issues, etc.
• Troubleshoot and configure frame-relay T1 and T3 circuits. Troubleshoot PVC, LMI, DLCI and frame-relay link down issues. Create static and dynamic mappings of frame-relay PVCs and configure frame relay point-to point, point-to-multipoint, and frame-relay sub interfaces

Confidential

Senior NOC Engineer

Responsibilities:

• Performed maintenance documents to prepare for maintenance on various equipments
• Performed maintenance on devices such as switches, routers, terminal servers and computers
• Prepared changed control business documents to inform senior management of proposed network changes to the network
• Interfaced with AT T Telecom personnel to address telecommunication issues with phones, routers and switches
• Configure and troubleshot QoS on routers and switches to prioritize multicast streams across the network
• Conducted and organized team conference call meeting regarding team goals and objectives
• Served as the Security Engineer and Senior Network Engineer.
• Utilized Checkpoint and Cisco PIX firewall as the security technology and appliances.
• Configured ASAs and PIX firewalls for security and VPN connections
• Configured IPSEC
• Perform loopback testing from within the fiber devices to confirm circuit connectivity
• Instrumental in the implementation of the VOIP pilot program.
• Installed, troubleshot and implemented layer 2 and layer 3 devices and protocols. Devices included 2900, 3600, 4000, 6500, VPN concentrators.
• Implemented MCSE, CCNA, CCNP and JNCIS.
• Configure and troubleshot the following protocols: OSPF, BGP, HSRP, LDP, RSVP, RSPAN, EIGRP, VPN, Spanning tree, ATM, Frame-relay, and PPP etc.
• Perform Wireless LAN survey and troubleshooting for network outages resource availability.
• Configure modems and terminal services.
• Performed security vulnerability assessments on servers, routers and switches.
• Instrumental in assisting in the development of NOC Lab.
• Installed Cisco 4500, 6500, 3500
• Performed maintenance on various Cisco devices.