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 setting 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, Wireshark
- Networking: Knowledge of TCP/IP stack and preferred experience in Layer 2/Layer 3 networking.
- Analytical tools: Expertise in log analysis tools (Wireshark, tcpdump) for troubleshooting connectivity and performance issues
- Automation framework development experience

📌 WLAN Test Engineer (Chennai)
🏢 FTProtech
📍 Chennai