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 with over 12,000 employees and 70 locations worldwide. As one of the largest IT staffing companies and the 2nd largest minority-owned staffing company in the U.S., Dexian was formed in 2023 through the merger of DISYS and Signature Consultants. Combining the best elements of its core companies, Dexian's platform connects talent, technology, and organizations to produce game-changing results that help everyone achieve their ambitions and goals.

Dexian's brands include Dexian DISYS, Dexian Signature Consultants, Dexian Government Solutions, Dexian Talent Development and Dexian IT Solutions. Visit https://dexian.com/ to learn more.

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.