Device Test Engineer jobs in United States
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SIDRAM TECHNOLOGIES · 3 months ago

Device Test Engineer

SIDRAM TECHNOLOGIES is seeking a Device Test Engineer to join their team in Greenwood Village, CO. The role involves developing and executing device test plans for various cellular mobile devices, particularly focusing on iOS operating systems and 5G technologies.

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H1B Sponsor Likelynote

Responsibilities

Develop and execute device test plans, and validate Mobile device cellular feature capabilities 5G, VoNR, VoLTE, VoWiFi, LTE)
Analyze, determine, and document issues; Communicate testing progress / technical reports

Qualification

IOS Debug expertise5G SA/NSA4G LTEQXDM expertiseLog analysisDevice testingWi-Fi testing3GPP standardsSIM/eSIMPythonModem tools

Required

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
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

Preferred

Python scripting (basic)

Company

SIDRAM TECHNOLOGIES

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SidRam Technologies is a smart technical solution provider and services company that changes the way world see Energy saving.

H1B Sponsorship

SIDRAM TECHNOLOGIES has a track record of offering H1B sponsorships. Please note that this does not guarantee sponsorship for this specific role. Below presents additional info for your reference. (Data Powered by US Department of Labor)
Distribution of Different Job Fields Receiving Sponsorship
Represents job field similar to this job
Trends of Total Sponsorships
2025 (4)
2024 (35)

Funding

Current Stage
Growth Stage
Company data provided by crunchbase