Experienced Wireless Network Engineer with 5G Focus
Resume:
Tibebe Abera
**** * **., *** *****, CA *****
*******@*****.***
linkedin.com/in/tibebe-abera-52063a44
Education
Attending a PhD in Cybersecurity
National University
Date of Completion: Jan 2026
M.S. WCM (Wireless Communication), National University, 2005
B.S.C.E. (Computer Engineering), San Diego State University
A.A.M. (Mathematics), San Diego City College
A.A. Degree in English Language, Kotebe College, Addis Abeba
Skills and knowledge:
Familiar with the ISO layer, GSM, WCDMA, UMTS, LTE, mmWave (5G)
Executed handovers, Interrats, cell selections, and reselections, link budgets, and channel interference in field testing
Test plans for wireless devices, battery life, work with PCS and DCS bands
Test equipment such as QXDM, QPST, JTAGS, Agilent 8960, Anritsu 8475A/
SIP, TCP/IP, IPV4, IPV6.
Hands-on experience with Network Management Systems (NMS)
WAN, LAN, and WLAN networks
Familiar with modern service provider TCP/IP data networks, including MPLS, OSPF, BGP4, STP, RSTP, VTP.
Automation scripts and Strong troubleshooting techniques for root cause identification
Software and Computer Languages:
C/C++, Python, Perl
Assembly (intermediate) Simulation & design
OrCAD/Pspice, MATLAB, Xilinx ISE 4
Visual Studio 6.0 and .Net Platforms
Linux/Unix (intermediate)
Work Experiences:
Feb 2019 to Apr 2025
San Diego, CA
TechM/ AT&T, Inc.
LTE Network Engineer
Worked on TCP/IP IMS-based services: FTP, UDP, VoLTE, VoWiFi, and VoIP
Manual and automation tests on 4G and 5G devices in AT&T Networks
Configure and run regression tests on 4G and 5G devices in AT&T Networks.
Performed site testing on Sub6 and mmW RANs.
Worked with LTE EPC, PDP GPRS, HLR MMC
Wrote automation scripts using Python
Handovers, INTER-RATS.
Configuring APNs, PDPs in GPRS, HLR, MMC
Familiar with Routing/Switching/MPLS (Cisco and Nokia)
Used VMware for remote connections
Familiar with data centers
Used Wireshark to capture network packets
Diagnosed problems and identified root cause
Sep 2016 to Jun 2018
Ethiopia, Addis Ababa
Networking Engineer
creating subnetworks,
network IP address,
default subnet mask,
default gateways,
Jun 2005 to Nov 2015
Qualcomm, Inc
San Diego, CA, USA
Modem Test Engineer
Calibrated Brew, Android FFA’s.
Serviced program phones,
Collected and analyzed Logs for Voice and data calls
Wrote scripts, batch files,
Familiar with Unix commands
Capture memory dumps using QPST and JTAG
Installed new releases using JTAG,
Troubleshot, upgraded, and corrected computer problems,
Install software, determine test areas in Verizon and Sprint networks,
Wrote scripts in Python for automation, setup, and running tests on Agilent 8960 and Pneumatic Devices
Perform field tests for varying RF scenarios and other engineering duties.
Execute manual and automated test cases and troubleshoot and resolve test failures.
Work with protocol call boxes, RF testers, and signal generators.
Dec 2004 to June 2005
Nokia, San Diego, CA, USA
Field Test Engineer
Tested new software
Collected and analyzed data
Reported origination and termination voice call failures,
Reception qualities, frame error rates, battery lifetime, and antenna
Approve reception performance
Managed files and stored them for future use
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