TILAHUN TEFERI

(***) *** - **** • adxa33@r.postjobfree.com

Summary

Experienced and highly knowledgeable professional with 25+ years of experience identifying and resolving complex telecommunications issues across large US territories. Natural talent for considering multiple perspectives of a single issue to put forth effective solutions. Vast experience across various technologies and equipment, utilizing a growth mindset to continuously learn within an ever-evolving industry. Proven record of exceeding expectations on annual performance reviews. Professional Experience

AT&T / Network Operations Center (NOC) Technician / Irving, TX 1997 to 03/2023

Maintained 184K+ network elements as Tier 1 support across 21 states in region and an out-of-region expanding MDU coverage in network; successfully identified and resolved hundreds of large-scale outages (impacting 20K+ customers) over the course of 26-year tenure

Surveilled U-verse Access network to deliver HSIA, IPTV, & CVoIP service to customers

Monitored alarms causing customer outages due to issues involving network elements and performed root cause analyses to identify if issues occurred as a result of network issues or equipment failure

Extensive track record for submitting dispatch tickets within the 15-minute window for severe outages, effectively restoring customer services from network elements involving outside plant, central office, and fiber technicians

Proactively prevented outages by identifying alarms from elements like Alcatel- Lucent 7330 VRAD & IPDSLAM

(FTTN); Nokia 7340, 7342, 7360, Ericsson BLM1500 (FTTU/FTTP); Genband G6 (Voice Gateway)

Worked with G.fast (DSL) protocol standard for local loops shorter than 500 meters with performance targets between 100 Mbit/s and 1 Gbit/s

Communicated with outside/central office technicians to determine if outages were caused by AT&T U-verse equipment; worked with Inter-office Fiber (IOF) group to determine if outages were caused by networks fiber cuts

Demonstrated flexibility and adaptability throughout organizational changes, including the acquisition of Southwestern Bell by AT&T in 2006 and work-from-home changes during the COVID-19 pandemic

Addressed outages with urgency during the COVID pandemic, quickly restoring services to customers who relied heavily on home phone/internet services to perform remote work

Served as a switch analysis technician on Nortel DMS100, Lucent 5ESS and Ericsson AXE Switches to provide local service and connections to PSTN, which was designed to deliver services over subscribers’ telephone lines and trunks

Coordinated with outside plant/central office technicians to resolve network issues if they were outside the switch Education & Training

The University of Texas at Arlington, College of Engineering Bachelor of Science in Engineering Electrical Engineering Skills & Certifications

7330 FTTN Operations, Provisioning & Maintenance, Alcatel-Lucent 7360 FTTP Operations, Provisioning & Maintenance, Alcatel-Lucent 7340 FTTP Operations, Provisioning & Maintenance, Alcatel-Lucent BLM1500, Ericsson

7342 FTTP Operations, Provisioning & Maintenance, Alcatel-Lucent Nortel DMS100, Telcordia Technologies

Lucent 5ESS, Telcordia Technologies