Senior Engineer - Software QA

Senior Wireless QA Engineer

We are Silicon Labs. We are a leader in secure, intelligent wireless technology for a more connected world. Our integrated hardware and software platform, intuitive development tools, unmatched ecosystem and robust support make us the ideal long-term partner in building advanced industrial, commercial, home and life applications. We make it easy for developers to solve complex wireless challenges throughout the product lifecycle and get to market quickly with innovative solutions that transform industries, grow economies, and improve lives.

Meet the Wireless QA Team

At Silicon Labs, the Wireless QA Team plays a crucial role in driving the success of our wireless technology products. We are at the heart of the innovation that powers our next-generation IoT solutions, ensuring that our wireless products meet the highest standards of performance, efficiency, and usability. Our Team is responsible for testing and validating the performance, functionality, and compatibility of wireless communication systems, applications, and devices.

Our team conducts comprehensive testing of Bluetooth protocols, profiles, and stack implementations across different platforms and devices. They work closely with Bluetooth hardware engineers, software developers, and product managers to deliver high-quality Bluetooth products that meet industry standards and provide seamless connectivity and user experience.

What makes our team unique We work in a highly collaborative, international environment where innovation and creativity are encouraged. Our site fosters a culture of learning, where team members are empowered to solve real-world problems and make meaningful contributions to the success of Silicon Labs. We take pride in developing solutions that transform industries and improve lives through technology.

Explore more about our solutions here: www.silabs.com

Responsibilities

• Develop comprehensive test plans, strategies, and approaches for Bluetooth testing, covering Bluetooth Classic, BLE, Bluetooth mesh, and related protocols.
• Design and execute detailed tests for Bluetooth profiles (e.g., A2DP, HFP, GATT, LE Audio etc), ensuring proper implementation and functionality in real-world scenarios.
• Test and validate Bluetooth protocol stack implementations, including interoperability between different Bluetooth versions, chipsets, and operating systems.
• Analyze and troubleshoot complex issues related to Bluetooth communication, signal interference, range, and performance.
• Develop and maintain custom test scripts, automated test cases, and tools (using languages like Python, and Embedded C) for comprehensive Bluetooth functionality, performance, and stress testing.
• Utilize specialized Bluetooth test tools and protocol analyzers (e.g., Ellisys, Teledyne LeCroy) to capture, decode, and analyze Bluetooth traffic.
• Conduct performance testing to assess Bluetooth range, data throughput, connection stability, and battery consumption, particularly for Bluetooth Low Energy (BLE) devices.
• Test Bluetooth security features, including pairing protocols, encryption, and authentication, to identify vulnerabilities and ensure data protection.

Skills You Will Need

• Experience: At least 5+ years of experience in software testing/development, with a focus on Bluetooth technology and test automation using Python/Embedded C.
• Technical Expertise:
  • In-depth knowledge of Bluetooth technologies, including Bluetooth Classic, Bluetooth Low Energy (BLE), Bluetooth mesh, and the Bluetooth protocol stack.
  • Strong understanding of Bluetooth profiles such as A2DP, HFP, HID, GATT, PAN, LE Audio, and their respective functionalities and use cases.
  • Expertise in using Bluetooth testing tools and protocol analyzers (e.g., Ellisys, Teledyne LeCroy, Frontline).
  • Experience with Bluetooth specification documentation (e.g., Bluetooth SIG), and familiarity with Bluetooth standards (e.g., Bluetooth 5.x, BLE)
• Problem-Solving: Strong analytical and troubleshooting skills, particularly in complex Bluetooth connectivity and performance issues.
• Communication: Excellent communication skills to effectively collaborate with cross-functional teams, document test results, and present findings clearly to stakeholders.

Preferred Qualifications:

• Education: Bachelor s or Master s degree in Computer Science, Electrical Engineering, Telecommunications, or a related field.
• Bluetooth Certification: Experience with the Bluetooth Qualification process or Bluetooth certification is a plus.
• Experience with wireless communication technologies beyond Bluetooth (e.g., Wi-Fi, Zigbee) is a plus.
• Additional Skills: Experience with C/C++ for embedded systems or low-level testing is a plus.