Telecom Field Test Engineer 5G/LTE/Wi-Fi Expert

Saad Asad Abbasi

Princeton, TX

***************@*****.*** 469-***-****

https://www.linkedin.com/in/saad-asad-abbasi

Summary

A results-oriented telecom professional with over 10 years of experience in wireless testing, system commissioning, and field engineering, specializing in 5G, LTE, WCDMA, GSM, ORAN/vRAN, and Wi-Fi technologies. Known for driving high-quality results through expertise in modem validation, network integration, KPI analysis, and system troubleshooting. Skilled in using industry-standard testing tools such as QXDM, X-CAL, Wireshark, and Samsung EMS. Adept at collaborating across cross-functional teams and leading projects from concept to successful execution. Proficient in automation and scripting with tools like Python, Java, and Ansible, with experience using JIRA and TestRail for project management.

Key Skills & Technologies

Wireless Technologies:

5G (Sub-6, mmWave), LTE, GSM, WCDMA, TD-SCDMA, Wi-Fi, ORAN, CDMA

Protocols:

TCP/IP, SIP, DNS, IMS, VoLTE

Tools:

QXDM, X-CAL, Samsung EMS, Wireshark, Iris Session Analyzer

Languages & Automation:

Python, Java, Ansible, Selenium

Virtualization/Systems:

VMware, Hyper-V, Linux, Windows, macOS

Test Systems:

TestRail, JIRA, drive/static field-testing equipment

Professional Experience

Peiker International — Irving, TX

Contract Field Test Engineer

April 2024 – Present

Conducting field testing of portable Wi-Fi communication systems in dynamic environments (urban, rural, mobile), ensuring optimal device performance and system reliability under real-world conditions.

Utilizing RF generators and spectrum analyzers to set test frequencies to 2.4 GHz and 5 GHz, simulating operational scenarios and validating wireless communication protocols.

Leading the setup, configuration, and calibration of test equipment and field networks; capturing performance metrics including throughput, latency, signal-to-noise ratio (SNR), and packet loss.

Performing data analysis on signal quality, connection stability, and device reliability; identifying root causes of performance degradation and collaborating with R&D for issue resolution and firmware optimization.

Authoring comprehensive test reports with actionable insights, contributing to design improvements and regulatory compliance.

Supporting product validation by ensuring conformance to IEEE 802.11 standards, customer requirements, and test plan criteria during domestic travel to field test locations.

Qualcomm (Dallas Tx) Remote/Onsite

Modem System Test Engineer (Morning Shift)

July 2021 – March 2024

Led software protocol verification and system performance characterization in key technologies including WCDMA, GSM, LTE, TD-SCDMA, and 5G (sub6, mmWave).

Executed rigorous engineering tests on digital modem ASIC products, ensuring adherence to physical layer and network protocol requirements.

Worked closely with cross-functional teams including Software Development, System Design, and Hardware Design to integrate and commercialize products successfully.

Contributed to the testing and validation of 5G ORAN split functions (RU, DU, CU, CP, UP) and worked on both MNO and MVNO/MVNE infrastructure architectures.

Developed and executed comprehensive test strategies, ensuring system-level feature integration, optimizing system performance, and performing interoperability tests.

Samsung (Verizon) Plano, TX

RAN Commissioning Engineer (Night Shift)

Feb 2017 – Jan 2023

Spearheaded system commissioning and network integration using Samsung EMS, ensuring the successful rollout and optimization of 5G ORAN equipment in collaboration with Dish Network.

Expertly configured O-DU Emulators, testing ORAN conformance for different O-RU and NR waveforms, conducting deep troubleshooting and system validation.

Played a key role in pre- and post-migration testing, successfully executing ORAN conformance tests, failure root cause analysis, and UAT support during deployment.

Worked closely with customers in high-pressure environments, delivering technical support and leading efforts to resolve complex issues.

Managed network configuration changes, and collaborated in the implementation of software releases and patches for operational networks.

AT&T / P3 Communications — Dallas, TX

Device Test Analyst (Cellular, Microwave, Broadband, WiMAX)

June 2015 – Dec 2017

Led application testing on AT&T's live network, ensuring seamless functionality across various mobile devices, including LTE, WCDMA, GSM, and HSDPA/HSUPA technologies.

Conducted detailed static/drive tests, analyzing device performance for voice, data, Wi-Fi, video, and geo-location features across various test scenarios.

Conducted in-depth protocol analysis using Wireshark, Iris Session Analyzer, and QXDM, identifying network anomalies and ensuring optimal system performance.

Provided crucial support for VoLTE, E911, and DFIT projects with Verizon, leading interoperability testing for mobile devices in live network environments.

Samsung/Sprint – Network Vision Project — Region 2W

RF Drive Test Engineer

Feb 2013 – May 2015

Led Terminal IOT and functional testing for new terminals, validating CDMA and LTE technologies for Sprint customers.

Performed Cluster Acceptance (CA) testing, optimizing traffic management between different LTE bands and ensuring efficient handover between cells.

Conducted detailed pre- and post-migration tests, analyzing data throughput, call drop issues, and handover performance to improve network reliability.

Led E911 testing and traffic load balancing in collaboration with various teams to ensure seamless service delivery.

Education

Karachi University, Karachi, Pakistan

Graduated: 2013

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