About the Role

The WLAN Performance Test Engineer will be responsible for validating the performance of Wi-Fi products under various conditions, ensuring compliance with industry standards, and identifying performance bottlenecks.

Responsibilities

Performance Validation
Conduct throughput testing using tools such as iPerf, IxChariot, octoScope, Spirent, or Keysight IxVeriwave
Validate performance across different Wi-Fi standards (Wi-Fi 6/6E/7/8)
Measure PHY data rate, throughput, Packet loss, Jitter, Latency, retransmission rate, Long-range Wi-Fi testing, Mesh Performance
RF & OTA (Over-the-Air) Testing
Perform RF validation including RvR, RSSI, SNR, Adjacent channel interference
Simulate customer field workplace and test performance with different devices including iOS, Mac, Android, Windows
Execute testing inside shield boxes or anechoic chambers.
Load & Scalability Testing
Validate performance under high client density scenarios.
Simulate concurrent traffic (VoIP, video streaming, web traffic)
Interference Testing




Test performance under co-channel and adjacent channel interference.
Evaluate performance in 2.4GHz, 5GHz, and 6GHz bands.
Automation & Scripting
Develop automation scripts using Python, Robot Framework
Automate log collection, KPI extraction and triaging
Debug & Root Cause Analysis
Analyze packet captures (Wireshark).
Interpret logs from AP, STA, and driver layers.
Work with firmware and PHY teams for issue resolution
Establish performance benchmarks and release qualification criteria
Mentor engineers, review test strategy/design and promote testing best practices
Support customer escalations with in-depth performance analysis

Qualifications

Education: Bachelor’s or Master’s degree
8+ years of experience in WLAN System or performance validation
Strong understanding of IEEE 802.11 standards (a/b/g/n/ac/ax/be), OFDMA, MU-MIMO, MLO, Beamforming, QoS (WMM)

Required Skills

Tools: Experience with IXIA / Spirent / Keysight test equipment, iPerf, Wire

📌 WLAN Test Engineer (Chennai)
🏢 FTProtech
📍 Chennai