SIDRAM TECHNOLOGIES · 3 months ago
Device Test Engineer
Greenwood Village, CO
Contract
Hybrid
Senior Level
5+ years expSIDRAM 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.
Computer Software
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
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
SidRam Technologies is a smart technical solution provider and services company that changes the way world see Energy saving.
51-200 employees
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 StageCompany data provided by crunchbase