Open to opportunities

sungmoo ban

@sungmooban

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Wireless Test Engineer with expertise in LTE and 5G testing.

United States

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What I'm looking for

I am looking for a role that fosters collaboration, innovation, and opportunities for growth.

I am a Wireless Test Engineer with over 3 years of experience specializing in manual and automated testing of smartphones and wearable devices across LTE and 5G networks. My proficiency in tools such as QXDM, Shannon DM, and QCAT allows me to conduct in-depth modem log analysis, ensuring high-quality performance and compliance with 3GPP standards.

Throughout my career, I have leveraged automation tools and scripting languages like Python and Bash to streamline repetitive testing and reporting tasks. My role at HCL Tech involved performing extensive testing on Google Pixel devices, where I not only executed tests but also delivered training sessions to enhance team readiness. I pride myself on my ability to collaborate effectively with cross-functional teams, ensuring thorough defect reproduction and detailed reporting.

My background also includes experience in network quality validation and mobile field testing for major carriers, where I honed my skills in capturing and analyzing network logs. I am passionate about continuous learning and improvement, always seeking opportunities to enhance my technical skills and contribute to innovative projects.

Experience

Work history, roles, and key accomplishments

Current

Test Engineer – Google Pixel Devices

Current

HCL Tech @ Google

Sep 2022 - Present (2 years 9 months)

Performed both manual and automated testing of Google Pixel smartphones and wearables across ATT and TMO networks, specializing in Spirent F4L for data performance, call performance, and voice quality tests. Conducted in-depth modem log analysis using Shannon DM and QXDM to identify and escalate critical network and IMS-related issues, while also streamlining repetitive tasks with Python and Bash

Manual Testing Automated Testing Spirent F4L Modem Log Analysis Shannon DM Python BASH 3GPP

Test Engineer – Network Quality Validation

Tech Mahindra

Mar 2022 - Sep 2022 (6 months)

Executed daily field and lab tests on Android smartphones, focusing on VoLTE, handovers, and mobility scenarios to ensure network quality validation. Utilized QXDM and internal tools for capturing, tagging, and reporting issues to engineering teams, while also onboarding new testers and sharing best practices for efficient log analysis.

Field Testing Lab Testing Android Log Analysis

QA Tester – Samsung Mobile Devices

BTI Solutions @Samsung

Jun 2021 - Mar 2022 (9 months)

Conducted mobile field testing on Samsung devices across major U.S. carriers, validating LTE and NR performance to ensure optimal network functionality. Analyzed network logs using QXDM and QCAT to identify handover, signal, and data issues, and supported lab-based battery and charging tests to assess device performance.

Mobile Testing LTE NR Performance QCAT Battery Testing Tests De Charge

Accounting & Logistics Associate

DY America

Feb 2020 - Jun 2021 (1 year 4 months)

Managed comprehensive inventory operations utilizing SAP ERP/EWM, ensuring accurate stock levels and efficient material flow. Coordinated logistics with both domestic and international vendors, and forecasted sales trends and delivery schedules to significantly improve overall supply chain efficiency.

Inventory Management Logistics Coordination Supply Chain Sales Forecasting

Sales & Marketing Coordinator

Various Companies

Jan 2016 - Present (9 years 5 months)

Drove significant sales growth through meticulous market analysis and the successful execution of product launches across diverse sectors. Led comprehensive training sessions for sales teams and managed impactful marketing campaigns for both B2C and B2B channels.

Market Analysis Product Launches Sales Growth Training Marketing Campaigns B2C Sales B2B Sales

Sergeant

Republic of Korea Air Force

Sep 2010 - Present (14 years 9 months)

Served as a Military Police, upholding security protocols and maintaining order within military installations. Executed duties that required strict adherence to regulations and strong teamwork in high-pressure environments.

Military Police Security Operations Teamwork Communication