Conduct pre-launch and field testing for mobile devices, including smartphones, FWA (Fixed Wireless Access) routers, and IoT devices.

Field & RF Optimization

- Perform stationery and mobility tests for 5G/4G LTE/VoLTE/VoWiFi/5G across different network conditions.
- Analyze network KPIs, coverage, throughput, call drop rate, handovers, and VoNR-MOS performance.
- Test and validate new features for mobile chipset platforms such as Qualcomm, MediaTek, and Spreadtrum.
- Execute end-to-end device validation, ensuring compliance with carrier and vendor requirements.

Software & Firmware Testing

- Flash and verify new firmware builds for mobile devices, tablets, and IoT products.
- Debug issues related to network registration, voice/data performance, handover failures, and UI glitches.
- Use tools like JIRA, QXDM, QPST, Nemo Outdoor, Wireshark, and NetAct for bug tracking and log analysis.
- Test software compatibility, regression testing, and application performance across different platforms.

Testing Tools & Protocols

- Hands-on experience with:
- QXDM, QCAT, QPST, Nemo Outdoor, Nemo Analyzer, NetAct, Wireshark, and spectrum analyzers.
- DCAP, KPI Reporter, WebNei, Web Element Manager, and network simulators.




- Analyze LTE and 5G NR protocol stack, including SRVCC, CSFB, Inter-RAT handovers, and carrier aggregation.
- Test IP networking protocols, including IPv4/IPv6, SIM lock, PIN lock, and security protocols.
- Provide detailed test reports, recommendations, and troubleshooting support to R&D; and development teams.
- Assist in long-term network planning and feature validation for telecom operators.

Required Skills & Qualifications:

- Bachelor’s or Master’s degree in Telecommunications, Wireless Communication, or related field.
- 5+ years of experience in mobile device testing, chipset validation, and network optimization.
- Hands-on experience with 5G, LTE, VoLTE, VoNR, SRVCC, and IMS technologies.
- Robust knowledge of RF engineering, network optimization, and protocol analysis.
- Expertise in testing tools like QXDM, QPST, Nemo Outdoor, Wireshark, and JIRA.
- Ability to debug and analyze network issues related to interference, handovers, coverage, and data throughput.
- Strong communication skills with experience working with mobile operators and R&D; teams.

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📌 Device / Telecom Test Engineer (Sydney)
🏢 Marquis Technologies Private
📍 Sydney