Network Tester

About the Role

Detailed oriented Quality Assurance (QA) Engineer to be involved with all Quality Assurance activities including LTE and 5G Field Protocol testing. The main function is to develop and execute test strategies, plans, and validate UE functionality in on 4G/5G air interface and call processing technology. Ensuring UE (user equipment) meets QA and Carrier requirements.

Key Responsibilities

• Able to work in a mobile work environment (80% time working in vehicle/field, 20% in office).
• Analyzing customer requirements, converting them into system requirements, and capturing detailed design for the development team.
• Aid in product & feature performance analysis, evaluation of new product & SW releases.
• Responsible for analyzing and troubleshooting issues reported from customer labs, field sites, and production networks.
• Review and provide recommendations to improve UE performance by evaluating and trending key KPIs, performing trials, and providing optimization guidelines.
• Set up test plans to meet deadlines based on requests from the project lead.
• Able to determine risk items based on issues found during testing.
• Able to travel 25% of the time.

Requirements & Tech Stack

• Quality Assurance
• RF Engineering
• Strong knowledge in 4G and 5G air interface and call processing technologies and network architecture specifically focused on Radio Access Network.
• Good knowledge and familiarity in 5G NSA and SA.
• Verbal and written communication skills, problem-solving skills, customer service and interpersonal skills.
• Basic ability to work independently and manage one’s time.
• Solid understanding of the end-to-end LTE and 5G Network Architecture.

Qualifications

• Must have an associate’s degree or higher in a technical related field preferred.
• 0-3 years’ experience required.

Additional Skills (is a plus)

• Familiarity or expert in utilizing UE log post processing tools (QXDM, QCAT, Wireshark, ShannonDM) with good understanding in OTA signaling messages.
• Analyzing and debug IMS related features including but not limited to registration, VoLTE/VoWiFi/ViLTE/Conferencing/SMS/MMS/RCS.
• Previous experience in post processing UE logs and analyzing various KPIs.
• Previous experience in LTE and 5G NR field test experience in live network.
• Previous test experience with 5G SA, NSA, NTN, including carrier official field test plans (VZW DFIT, ATT AVDFT, TMO F4L, etc).