Wireless Test Engineer (Callbox / Wireless Lab)

PDSSOFT INC.; Mountain View (CA); On-site; USD 70,000 - 100,000; Full time

Job summary

PDSSOFT INC. is hiring a Wireless Test Engineer (Callbox / Wireless Lab Specialist) for our Mountain View on-site lab. This entry-level role develops hands-on test skills in cellular networks and device labs, supporting LTE and 5G NR test activities and debugging tasks.

You will work with senior engineers on callbox instruments (Anritsu/Amarisoft), practice logging/diagnostics, and contribute to test automation efforts using Python or shell scripts.

Qualifications

• Associate's or Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or equivalent practical lab experience.
• Foundational understanding of wireless principles and 3GPP LTE/5G NR architecture basics.
• Direct experience operating network simulators and callboxes such as Anritsu or Amarisoft.
• Familiarity with logging and diagnostic tools (e.g., ADB, Wireshark) and strong debugging mindset.
• Meticulous logging and bug reporting with strong analytical skills.

Skills

Cellular protocols knowledge

LTE/5G NR basics

Debugging & logging

Scripting basics (Python, Shell)

Education

Electrical/CS/Telecom degree (Assoc/Bachelors)

Tools

Anritsu MT8821C

Anritsu MT8000A

Amarisoft

Wireshark

ADB

Job description

Wireless Test Engineer (Callbox / Wireless Lab Specialist)

Level: L1 (Entry-Level / Early Career)

Work Location: Mountain View, CA (On-site Lab)

Minimum Qualifications

• Education: Associate's or Bachelor's degree in Electrical Engineering, Computer Science, Telecommunications, or equivalent practical lab experience.
• Protocol Knowledge: Foundational 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 Experience: Direct academic or professional experience operating network simulators and callboxes such as Anritsu (MT8821C, MT8000A) or Amarisoft.
• Debugging Tools: Familiarity with logging and diagnostic utilities (e.g., ADB, Wireshark, terminal/command-line environments).
• Analytical Skills: Strong analytical and troubleshooting mindset with meticulous attention to detail in logging and bug reporting.

Preferred Qualifications

• SIM / 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 Skills: Working knowledge of Python, Shell/Bash scripting, or SCPI commands for callbox test automation.
• Voice & Carrier Features: Exposure to IMS protocol flows (SIP registration, INVITE flows for VoLTE/VoNR) and carrier Technical Acceptance (TA) testing criteria.
• Hardware & RF Basics: Understanding of RF measurement fundamentals (RSSI, RSRP,RSRQ, SINR, path loss, and attenuation).