QA Engineer focusing on Firmware/Hardware testing at Teltonika. Validating embedded firmware and ensuring device reliability and compliance in telematics.
Responsibilities
Plan, design, and execute test cases for firmware, hardware, and software validation
Perform regression, functional, exploratory, and stress testing of embedded devices with and without technical documentation
Test and validate communication interfaces such as UART, CAN, I²C, SPI, RS232/RS485, 1-Wire, BLE, LTE, GNSS
Validate power management, sensor functionality, and I/O performance on hardware boards
Use lab equipment (oscilloscope, multimeter, logic analyzer, power analyzer) for debugging
Recreate real-world operating scenarios in a controlled environment using GNSS, thermal, humidity, vibration, and network simulation equipment
Perform field tests to verify that the device operates as expected in real-world scenarios (GNSS quality, track accuracy in different environments, forested roads, city, highway)
Collaborate closely with development teams (HW/FW/SW) to reproduce, analyze, and verify issues
Track defects and provide detailed reports using Jira
Improve our testing methodologies and contribute to maintaining test documentation in systems such as Zephyr
Develop and implement automated tests for firmware and applications to ensure continuous quality and efficiency
Requirements
2+ years of experience in QA testing for embedded systems, hardware, firmware or software
Strong understanding of QA methodologies, test planning, and defect tracking
Hands-on experience with test tools and lab equipment (oscilloscope, multimeter, power supply)
Good knowledge of embedded communication interfaces/ protocols (UART, SPI, I²C, BLE, LTE, 1-Wire)
Ability to analyze logs and troubleshoot firmware/hardware integration issues
Familiarity with Agile/Scrum development processes
Experience with test case management tools (TestRail, Zephyr Scale, XRay)
Experience in test automation development and execution
Strong problem-solving skills and attention to detail
Experience in writing clear, structured, and comprehensive test plans and test cases
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