CHENNAI · FULLTIME
Firmware Test Engineer Embedded / Hardware
Threatxintel
Chennai · onsite · Posted 19d ago
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Section · 01
About this role
Job Summary
We are looking for an experienced Firmware Test Engineer with 5 to 7 years of experience in firmware and embedded system testing. The candidate should have hands-on experience testing physical access controllers and readers, working with communication interfaces such as UART, RS485, and SPI, and performing testing on Linux-based systems.
The ideal candidate should have experience with communication protocol validation, communication sniffing tools, manual and automation testing, and preferably Python-based test automation.
Key Responsibilities
- Perform manual testing of physical access controllers and readers.
- Set up and configure test environments involving access controllers, readers, and related hardware.
- Create and execute test plans, test cases, and test scripts.
- Test and validate firmware functionality across different hardware configurations.
- Validate communication protocols and verify their implementation.
- Work with UART, RS485, and SPI interfaces for firmware and hardware testing.
- Use RS485 interface tools and communication sniffing tools for troubleshooting and validation.
- Identify, document, track, and retest software/firmware defects.
- Develop and execute automated test scripts.
- Perform regression, stress, load, performance, and system testing.
- Perform Linux OS testing and troubleshoot firmware/system-level issues.
- Analyze test results and provide clear defect reports and test status updates.
- Work closely with firmware, software, and hardware teams to resolve issues.
Mandatory Skills
- 5 to 7 years of experience in Firmware / Embedded Testing
- Strong understanding of firmware testing methodologies
- Hands-on experience with:
- UART
- RS485
- SPI
- Experience with Linux OS testing
- Understanding of communication protocols and protocol validation
- Hands-on experience with RS485 interface tools
- Experience with communication sniffing / protocol analysis tools
- Experience in manual testing of embedded/physical devices
- Exposure to test automation
- Good knowledge of Python for test automation
- Good communication and documentation skills
Good to Have
- Experience with Selenium or Playwright
- Experience testing access control systems/readers
- Experience with embedded hardware and firmware debugging
- Experience with automated regression testing
- Knowledge of stress, load, performance, and system testing
Testing Areas
- Firmware Functional Testing
- Hardware Interface Testing
- Protocol Testing
- Linux Testing
- System Testing
- Regression Testing
- Stress & Load Testing
- Performance Testing
- Automation Testing
- Integration Testing
Candidate Profile
The ideal candidate should be a hands-on Embedded/Firmware Test Engineer who can independently set up hardware test environments, validate firmware and communication protocols, execute detailed test cases, troubleshoot interface-level issues, and develop automation scripts.
Keywords: Firmware Testing, Embedded Testing, Embedded Systems, UART, RS485, SPI, Linux, Python, Test Automation, Communication Protocols, Protocol Testing, Hardware Testing, Access Controllers, Access Readers, Regression Testing, Stress Testing, Load Testing, Performance Testing, System Testing.
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Section · 02