Korean Bilingual Mobile Field Test Engineer DIR-SPA

Korean Bilingual Mobile Field Test Engineer DIR-SPA

Key experience: Field testing / CArrier (ATT/TMO/VzW) Certification Testing

The role of this position encompasses a wide scope of activities and initiatives that will bring solutions to complex applications problems, system administration issues or network concerns. Network Engineers will work with mobile devices testing the latest features in the technology and /or telecommunication
available on the market. The testing scope includes connectivity test, field test, and others as required. The position requires the Network Engineer to perform systems management and integration functions involving engineering work on cellular, wireless devices and systems.

Job description:
• Execute 3GPP based 4G/5G Modem System Verification Test Plans in the field.
• Ability to follow directions and execute Mediatek SOP’s like loading software, collecting field test logs, identify any issues related to 3GPP protocol and call processing.
• Ability to handle and operate multiple prototype and OEM devices.
• Post-process field test logs, analyze the data and report bugs or issues related to modem protocol and performance.
• Prepare daily/weekly reports and KPI dashboards.
• Collaborate with team members to resolve bugs and improve modem performance.
• Understand automation of test execution and contribute to improvements and operational efficiency in test execution.
• Provide technical support to internal and external customers as required.

Job requirements:
• About 2 to 5 years’ experience in 3GPP 4G/5G based Modem System Verification.
• Subject matter expertise in 3GPP 4G/5G specifications related to modem call processing and call flows.
• Self-starter with capability to work under minimal supervision to meet deadlines and goals.
• Excellent communication skills, both written and verbal. Capability to articulate protocol and performance related bugs and issues to internal and external teams.
• Familiarity with Android OS.
• Knowledge of Python to understand automation scripts, detect bugs and improve efficiency.
• Knowledge of data mining and data management would be desirable.
• Possess valid US driver’s license and capability to rent a car in the US.
• Willingness to travel at short notice to customer locations. The role involves approximately 35% domestic travel.
• Flexibility in working hours as they may be dictated by carrier constraints.

Qualifications:
• Bachelor’s Degree Preferred in Electronics, Software Engineering Communication, Computer Network Engineering, Computer Science, Electrical Engineering or Telecommunications

• General understanding for telecommunication knowledge and Android platform device• Analytical, Scientific, Data Mining and Database management software
• Access software, cloud-based management software, communications server software
• Strong knowledge of 5G, LTE, HSPA+/WCDMA including PHY/MAC, signaling, call processing concepts and upper layers.
• Good understanding on GSM, GPRS, EDGE, WCDMA, CDMA, HSPA, LTE, 5G, Wi-Fi, Bluetooth, GPS, mobile phone software architecture and telecommunication network configuration
• Experience in analyzing logs, troubleshooting issues from lab for UMTS/GSM CS, PS calls, LTE and 5G Data calls, metric test is plus. Experience with specific logging/analysis tools such as QXDM, QPST, XCAL, XCAP
• Experience in tracing and debugging using tools to fully analyze protocol stack related issues in appropriate 3GPP specifications.
• Experience with Transport Layer protocols such as TCP, UDP, and analysis tools such as Wireshark.
• Some programming skills in Python, Java and Perl script is desired.
• Proficient with MS Office (Outlook, Excel, Word, Power Point) is essential for creating the test reports.
• Understanding of TCP/UDP, IP Packet, OSI Protocol Model
• Solid understanding of SW testing techniques and methodologies
• Internet browser and Internet protocol IP multimedia subsystem software
• Transaction security and virus protection software; Network monitoring software