Mobile Device Test Engineer

Mobile Device Test Engineer Title : Device Test Engineer Location : Greenwood Village CO 80111 (onsite)/Open for relocation Duration : 6 months Contract 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; 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, 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) Dexian is a leading provider of staffing, IT, and workforce solutions. As one of the largest IT staffing companies, Dexian connects talent, technology, and organizations to produce game-changing results. Dexian is an Equal Opportunity Employer that recruits and hires qualified candidates without regard to race, religion, sex, sexual orientation, gender identity, age, national origin, ancestry, citizenship, disability, or veteran status.

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