WALTER H. ROSENSTOCK

**** **** ******* **.

Montgomery Village, MD 20886

301-***-****

ac2fi8@r.postjobfree.com

OBJECTIVE

I am seeking a responsible position as a senior level technician in the Network Operations and Telecommunications area where I can effectively utilize my troubleshooting and fault isolation skills for the success of the organization.

PROFESSIONAL EXPERIENCE

Time Warner Cable/Charter Communications, Herndon, VA October 2013-June 2017

NOC Technician

Worked in a Network Operations Center in the Voice-Restoration Department

Provided Network Surveillance and Incident Management support for Time Warner Cable Broadband network Services as a member of the NOC VOIP team within Time Warner’s Herndon NOC.

Performed initial troubleshooting, problem analysis and isolation of network and voip events in accordance with TWC NOC incident management guidelines.

Facilitated and coordinated the flow of communications between the TWC NOC and internal Time Warner Cable groups, as well as external vendors and third party ISP partners.

Ensured VOIP functionality in production environment for residential and commercial markets by monitoring local systems to include troubleshooting and maintenance on the following ;products: Cisco MGX8850, Cisco BTS10200, Nokai Siemens HiQ, Cisco 3700-2900, ACME Session Border Controllers and Arris/Motorola/Scientific Atlanta Cable Modems.

Provided high-level network and voip operations support for all TWC divisions, Regional NOC’s and Data Centers nationwide using Remedy ticketing system and network monitoring systems (Netcool, Big Brother, SBC status page).

Worked in a Network Operations Center in the Surveillance Department.

Monitored DS1 and DS3 and Sonet circuits using Cisco MGX8880 gateway and Sun Microsystems T5220 Tandem.

Monitored SBC alarms using ACME Packet NetNet 4250 switch.

Monitored Mail Server alarms, monitored and traced bad E911 calls using MARS Dashboard and Hammer applications.

Monitored Wi-Fi alarms using Ruckus ZD5000 switch and Cisco Prime Infrastructure with Cisco CT5508 switch.

Monitored Network and Backbone alarms using Cisco and Juniper Routers and switches.

Monitored and created trouble tickets for Enterprise Telephony Systems alarms.

Provided training and guidance to other technicians.

Managed the National Data Center maintenance bridge.

JMA Information Technology April 2013 – October 2013

Network Operations Technician

Contractor to Sprint in Reston, Va.

Worked in a Network Operations Center in the IP Services department.

Remotely accessed CISCO routers for maintenance and troubleshooting.

Proactively monitored circuits and/or components (devices) for alarms

indicating any network events or outages that could impact customer’s

network connectivity, which was accomplished in NETCOOL

Generated trouble tickets to track problem circuits/routers through the use

of Trouble Reporting System (TRS), TRAMS, FMS, REACT, Quick Pad,

Focus, and NRM.

Performed initial troubleshooting on severities and isolated the issues and

investigated the root cause of the problem.

Acknowledged alarms and followed through using troubleshooting procedures.

Proactively monitored customer networks with various types of NMS and

performed first level fault isolation and troubleshooting.

Tested and performed troubleshooting for DS0 and DS1 circuits.

ICONMA March 2011 – March 2013

NOC Operator

Contractor to Time Warner Cable in Herndon, VA.

Worked in the Systems Surveillance NOC monitoring alarms on Big Brother and

Netcool and created trouble tickets.

Monitored Mail server alarms and Facilities alarms, created trouble tickets, and

routed to the appropriate department.

Monitored and traced bad E911 calls using MARS Dashboard and Hammer

applications.

Monitored, diagnosed, and ticketed Wi-Fi alarms using Belair Network’s

Bellview application, Ruckus Flexmaster application using Ruckus ZD5000

Switch, Cisco Prime Infrastructure application using Cisco CT5508 switch.

Monitored Backbone and Network alarms, verified log and interface status

on Juniper mx960 router.

Worked in the VOIP NOC performing troubleshooting, problem analysis and

isolation of network events.

Setup and tested ATA lines using Cisco BTS and Siemens/Nokio HiQ soft switch.

Tracked and supported Network Change Control schedules and activities.

Monitored and troubleshot DS1, DS3, and SONET alarms using Cisco

MGX8880 gateway and Sun Microsystems T5220 tandem.

Worked in the SMC Surveillance department monitoring and troubleshooting

VOIP alarms using Netcool and Big Brother applications.

Monitored and diagnosed SBC alarms using Acme Packet NetNet4250 switch.

Provided training and support to other technicians as needed.

STARTEC GLOBAL COMMUNICATIONS, Rockville, MD June 2005 – October 2010

Network Fault Analyst

Worked in a Network Operations Center.

Monitored and diagnosed router activity and alarms using Ipswitch’s network

management software ‘What’s Up Gold’.

Monitored and diagnosed call control alarms on the cell connect/Phoenix

platform, checked Phoenix calling card accounts, made necessary configurations

and corrections.

Configured customer’s ANIs in Sonus, configured carrier routes in Sonus,

added, deleted, and tested.

Monitored, tested, and did fault isolation of Trunk Groups, DS1, DS3, and E1 in

Sonus.

Maintained a high call completion rate by monitoring the ASR (answer seizure

ratio) and AHT (average hold time) and making route changes (VOIP and TDM

routes) in the DMS 250, GSP, and SONUS switches when necessary.

Verified status, configuration, and alarms for DS1, DS3, and E1

on Tdax and performed loopbacks for fault isolation.

Worked with IXCs and LECs to insure network performance, testing,

troubleshooting and escalating.

Configured SONUS routes for H323 or SIP protocols.

Verified router log status, interface status, and loopbacks.

EDUCATION/TRAINING

Completed one week CCNA boot camp training class

Coursework in Internetworking Technology (Routers, switches, IP, Protocols)

Strayer University, Germantown, MD

A.A., Electronics Engineering Technology

Prince George’s Community College, Largo, MD

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