Device Test Engineer

• Min 5+ Years of Experience with different Cellular/Mobile Devices based on iOS operating systems
• Strong knowledge of 3GPP 5G SA/NSA, 4G LTE mobile technologies and architecture.
• Good understanding of 3GPP standards; signalling call flows, Layers 1/2/3
• Develop and execute device test plans, and validate Mobile device cellular feature capabilities 5G, VoNR, VoLTE, VoWiFi, LTE)
• Experience with different cellular modem chipsets - Qualcomm (QCOM), MediaTek (MTK), Samsung (LSI), etc
• Experience with modem logging/analysis tools such as QXDM, QPST, XCAL, XCAP
• Familiarity with SIM / eSIM design and provisioning flows
• Experience in testing Wi-Fi and Passpoint configurations (HS2.0/802.1x/WPA3)
• Analyze, determine, and document issues; Communicate testing progress / technical reports
• Basic programming skills, especially in Python
• Is Proactive and works independently with minimal supervision

Key Must-Haves:

• iOS Debug expertise (mandatory)
• Skilled in log analysis (70%) and device testing (30%)
• Strong in 5G SA/NSA, 4G LTE, VoLTE, VoNR
• Excellent in Wi-Fi
• Deep knowledge of 3GPP standards, signalling call flows (Layers 1/2/3)
• Hands-on with SIM/eSIM (critical)
• QXDM expertise (mandatory) + other modem tools (QPST, XCAL, XCAP)
• Experience with Qualcomm, MediaTek, Samsung, Intel chipsets
• Able to own tasks, work independently, and coordinate with vendors