Test Engineer - Embedded Firmware

Responsibilities

• Execute firmware and hardware validation testing for embedded power electronics and inverter systems using established test plans and procedures.
• Perform board-level validation of embedded systems and microcontroller-based hardware.
• Validate products against industry standards and certification requirements, including ISO 17025 laboratory processes.
• Conduct hands-on testing in a fully equipped onsite laboratory environment.
• Collect, analyze, and interpret large volumes of test data to identify trends, anomalies, and product performance issues.
• Develop clear, detailed validation reports and maintain comprehensive engineering documentation.
• Develop and maintain Python scripts to automate test execution, data collection, analysis, and reporting.
• Debug firmware and hardware issues using Python and standard laboratory instrumentation.
• Support component-level testing, including electrical fault and short-circuit evaluations.
• Collaborate with firmware, hardware, and systems engineering teams to investigate failures and drive root cause analysis.
• Continuously improve automated test frameworks, validation processes, and laboratory efficiency.

Required Qualifications

• Bachelor's degree in Electrical Engineering, Computer Engineering, Embedded Systems, or a related engineering discipline.
• 4+ years of experience testing embedded firmware systems and microcontroller-based products.
• Strong understanding of embedded firmware validation and board-level testing.
• Experience with microcontroller architectures and embedded logic.
• Experience testing power electronics, inverters, or related electrical systems.
• Strong Python programming skills for scripting, debugging, and test automation.
• Experience with data collection, data analysis, and interpretation of validation results.
• Experience documenting validation activities, test results, and engineering reports.
• Strong troubleshooting and root cause analysis skills.
• Excellent attention to detail and documentation practices.

Preferred Qualifications

• Experience working in an ISO 17025 accredited laboratory.
• Experience with Battery Energy Storage Systems (BESS), renewable energy products, EV charging systems, or inverter technologies.
• Familiarity with laboratory equipment such as oscilloscopes, logic analyzers, power analyzers, DAQ systems, programmable power supplies, and electronic loads.
• Experience validating embedded firmware running on ARM, STM32, TI, NXP, Microchip, or similar microcontroller platforms.
• Experience with communication protocols such as UART, SPI, I²C, CAN, or Modbus.
• Experience building automated test frameworks for embedded hardware and firmware validation.