Device & Network QA Engineer

Key Responsibilities:

Device & Network Validation

• Validate modem, firmware, and network behavior across:
• Qualcomm, MediaTek, and Apple chipsets
• Android and iOS platforms
• Test attach, data, voice, roaming, IMS, and fallback scenarios

5G / LTE Test Coverage

• Validate
• 5G SA / NSA attach & handover
• LTE fallback and network reselection
• VoLTE / VoWiFi call flows
• Data throughput, latency, and stability
• Execute mobility, handover, and RF condition testing

Failure & Edge Case Testing

• Simulate
• Poor signal
• Congested networks
• Roaming failures
• Network outages
• Firmware upgrade interruptions
• Validate device recovery behavior

Regression & Release QA

• Validate modem & firmware builds before:
• Carrier certification
• OTA rollout
• Production deployment
• Execute regression suites across:
• Chipset
• OS
• Network
• SIM / eSIM profiles

Defect Management

• Identify, reproduce, and document:
• Device firmware defects
• Modem stack failures
• Network interoperability issues

Required Technical Skills:

Wireless & Networking

• 5G NR, LTE, VoLTE, VoWiFi
• IMS, SIP, APN
• eSIM, roaming, mobility management

Devices & Platforms

• Android and iOS
• Qualcomm, MediaTek, Apple modems
• Embedded device firmware

QA & Testing

• Test case design for:
• Network attach
• Call flows
• Data sessions
• Mobility & handovers
• Root-cause analysis and defect triage

Diagnostics & Tools

• QXDM, QPST, MTK modem tools
• Network & RF logs
• Android / iOS device logs
• Carrier test systems

Preferred Skills

• Experience validating OTA firmware updates
• Experience working with large-scale connected device programs

Education: Bachelor’s or Master’s in Computer Engineering, Electrical Engineering, Computer Science.

GlobalLogic estimates the starting pay range for this role to be performed in Basking Ridge, NJ, to be $110,000 to $120,000, and reflects base salary only. This pay range is provided as a good-faith estimate, and the amount offered may be higher or lower. GlobalLogic takes many factors into consideration in making an offer, including candidate qualifications, work experience, operational needs, travel and onsite requirements, internal peer equity, prevailing wage, responsibilities, and other market and business considerations.