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Mobile Device Test Engineer (Debug and Log Analysis) - Greenwood Village CO 80111 United States
Device Test Engineer (iOS Debug Specialist)
Team Size: 7 members
Work Setup: 5 days onsite Denver CO (local preferred, relocation accepted )
Experience Required: 5+ years with iOS mobile devices and cellular technologies
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, signaling 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
Nice to Have:
Python scripting (basic)
Primary Responsibilities/Tasks of Device Test Engineer:
Min 5+ yrs 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; signaling 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)
