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Company: Qualcomm India Private Limited Job Area: Engineering Group, Engineering Group > Systems Test Engineering General Summary: The WLAN Performance Test Engineer is responsible for validating the throughput, latency, RF performance of Wi-Fi products and Power efficiency under various real-world and lab conditions. The role ensures compliance with IEEE 802.11 standards and identifies performance bottlenecks at PHY/MAC layers. Key Responsibilities 1. Performance Validation • Conduct throughput testing using tools such as iPerf, IxChariot, octoScope, Spirent, or IXIA. • Validate performance across different Wi-Fi standards (802.11ac/ax/be). • Measure PHY data rate, throughput, Packet loss, Jitter, Latency, retransmission rate 2. RF & OTA (Over-the-Air) Testing • Perform RF validation including RvR, RSSI, SNR,Adjacent channel interference • Simulate customer field environment and test performance with different devices including iOS, Mac, Android, Windows • Execute testing inside shield boxes or anechoic chambers. 3. Load & Scalability Testing • Validate performance under high client density scenarios. • Simulate concurrent traffic (VoIP, video streaming, web traffic). 4. Interference Testing • Test performance under co-channel and adjacent channel interference. • Evaluate performance in 2.4GHz, 5GHz, and 6GHz bands. 5. Automation & Scripting • Develop automation scripts using C Sharp, Python. • Automate log collection, KPI extraction and triaging. 6. 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. Required Skills & Qualification Education: Bachelor’s or Master’s degree Wireless Protocols: Strong understanding of IEEE 802.11 standards (a/b/g/n/ac/ax/be), OFDM, MIMO, MU-MIMO, QoS (WMM) 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 Minimum Qualifications: • Bachelor's degree in Engineering, Information Systems, Computer Science, or related field and 4+ years of Systems Test Engineering or related work experience. OR Master's degree in Engineering, Information Systems, Computer Science, or related field and 3+ years of Systems Test Engineering or related work experience. OR PhD in Engineering, Information Systems, Computer Science, or related field and 2+ years of Systems Test Engineering or related work experience. Applicants : Qualcomm is an equal opportunity employer. If you are an individual with a disability and need an accommodation during the application/hiring process, rest assured that Qualcomm is committed to providing an accessible process. You may e-mail disability-accomodations@qualcomm.com or call Qualcomm's toll-free number found here . Upon request, Qualcomm will provide reasonable accommodations to support individuals with disabilities to be able participate in the hiring process. Qualcomm is also committed to making our workplace accessible for individuals with disabilities. (Keep in mind that this email address is used to provide reasonable accommodations for individuals with disabilities. We will not respond here to requests for updates on applications or resume inquiries). Qualcomm expects its employees to abide by all applicable policies and procedures, including but not limited to security and other requirements regarding protection of Company confidential information and other confidential and/or proprietary information, to the extent those requirements are permissible under applicable law. To all Staffing and Recruiting Agencies : Our Careers Site is only for individuals seeking a job at Qualcomm. Staffing and recruiting agencies and individuals being represented by an agency are not authorized to use this site or to submit profiles, applications or resumes, and any such submissions will be considered unsolicited. Qualcomm does not accept unsolicited resumes or applications from agencies. Please do not forward resumes to our jobs alias, Qualcomm employees or any other company location. Qualcomm is not responsible for any fees related to unsolicited resumes/applications. If you would like more information about this role, please contact Qualcomm Careers .
Company
Qualcomm India
Location
Chennai, Tamil Nadu, India
Type
Full Time
Experience
4+ years
Posted
10 Apr 2026
Prep tools
Company
Qualcomm India
Location
Chennai, Tamil Nadu, India
Type
Full Time
Experience
4+ years
Posted
10 Apr 2026
Req ID
446717982729
Qualcomm India
Qualcomm India
Semiconductor