Wireless Test Engineer/ Lab Engineer

Wireless Test Engineer (Callbox / Wireless Lab Specialist)Level: L1 (Entry-Level / Early Career)Work Location: Mountain View, CA (On-site Lab)Minimum QualificationsEducationAssociate's or Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or equivalent practical lab experience.Protocol KnowledgeFoundational understanding of wireless communication principles and 3GPP cellular standards (LTE and 5G NR architecture, basic signaling flow for network attach, registration, and data transfer).Callbox ExperienceDirect academic or professional experience operating network simulators and callboxes such as Anritsu (MT8821C, MT8000A) or Amarisoft.Debugging ToolsFamiliarity with logging and diagnostic utilities (e.g., ADB, Wireshark, terminal/command-line environments).Analytical SkillsStrong analytical and troubleshooting mindset with meticulous attention to detail in logging and bug reporting.Preferred QualificationsSIM / eSIM Technology: Basic familiarity with SIM architecture, profile provisioning, and Dual SIM Dual Standby (DSDS) operational flows.Log Analysis: Experience analyzing cellular protocol logs using tools such as Qualcomm QXDM/QCAT, Shannon DM, or equivalent chipset diagnostic software.Scripting SkillsWorking knowledge of Python, Shell/Bash scripting, or SCPI commands for callbox test automation.Voice & Carrier FeaturesExposure to IMS protocol flows (SIP registration, INVITE flows for VoLTE/VoNR) and carrier Technical Acceptance (TA) testing criteria.Hardware & RF BasicsUnderstanding of RF measurement fundamentals (RSSI, RSRP,RSRQ, SINR, path loss, and attenuation).