Senior QA Engineer - Wireless (Bluetooth Protocols/Bluetooth Profiles) - 4 to 6yrs

Silicon Labs; Hyderabad; On-site; INR 8,555,000 - 13,308,000; Full time

Benefits offered by this job

RSUs equity

ESPP

Insurance plans

Flexible work policy

Childcare support

Job summary

Silicon Labs is seeking a senior Wireless QA Engineer to drive Bluetooth testing across Classic, BLE, mesh, and LE Audio. You will collaborate with Bluetooth hardware engineers, software developers, and product managers to ensure high-quality wireless products across multiple platforms and devices.

The role emphasizes developing comprehensive test plans, automating tests in Python and Embedded C, and using Ellisys, Teledyne LeCroy, and Frontline tools to validate performance, interference

Qualifications

• 5+ years in software testing/development with Bluetooth focus.
• Hands-on experience with Python and Embedded C.
• Deep knowledge of Bluetooth Classic, BLE, mesh, LE Audio.
• Experience with Bluetooth profiles: A2DP, HFP, GATT, HID, PAN, LE Audio.

Responsibilities

• Develop test plans for Bluetooth testing across platforms.
• Design and execute tests for Bluetooth profiles and interoperability.
• Validate Bluetooth protocol stack across chipsets/OS.
• Analyze issues: interference, range, performance; triage root causes.
• Create test scripts and automation for Bluetooth tests.
• Use protocol analyzers to capture and decode Bluetooth traffic.
• Perform performance tests for range and throughput; assess battery impact.
• Test Bluetooth security: pairing, encryption, authentication.

Skills

Bluetooth tech

Test automation

Python

Embedded C

Protocol stack

BLE

Bluetooth profiles

Troubleshooting

Communication

Education

Bachelor's or Master’s in CS/EE/Telecommunications

Tools

Ellisys

Teledyne LeCroy

Frontline

Job description

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 Wi‑Fi 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, 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, LE Audio 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)
• Experience in LE Audio profiles – BAP, TMAP, CAP and LC3 Codec
• 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.
• Expertise in Python, Gen AI tool and Linux environment is expected
• Additional Skills: Experience with C/C++ for embedded systems or low‑level testing is a plus.

Not only will you be joining a highly skilled and tight‑knit team where every engineer makes a significant impact on the product; we also strive for good work/life balance and to make our environment welcoming and fun.

• Equity Rewards (RSUs)
• Employee Stock Purchase Plan (ESPP)
• Insurance plans with Outpatient cover
• Flexible work policy
• Childcare support.

We are an equal‑opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status.