> Markdown version of [/jobs/ext/3843926-embedded-systems-validation-test-engineer-python](https://www.wearedevelopers.com/jobs/ext/3843926-embedded-systems-validation-test-engineer-python). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Embedded Systems Validation Test Engineer (Python) - **Company:** OSI Engineering - **Location:** Cupertino, CA, United States - **Experience:** Experienced - **Salary:** $149,760.0 - $191,360.0 - **Contract:** Contract - **Skills:** Apple Mac Systems, Systems Engineering, ARM Architecture, Automation of Tests, Unix, C++ (Programming Language), Code Coverage, Communications Protocols, Computer Engineering, Software Debugging, Linux, Firmware, Python (Programming Language), PCI Express, Software Engineering, System Testing, Universal Asynchronous Receiver/Transmitter, Serial Peripheral Interface, Hardware Testing, Swift (Programming Language), Information Technology, Objective C++ - **Published:** October 20, 2026 - **Apply:** https://www.dice.com/job-detail/8f25e570-1945-42eb-a839-de822b35a705 ## About the Role * 2-8+ years developing and testing embedded systems or devices, including system validation of firmware and software * Strong Python test automation experience * Hands-on experience with ARM platforms and the ARM architecture and instruction set * Experience with at least one hardware protocol: USB, UART, SPI, I2C, I2S or PCIe * Debugging with gdb, lldb or similar tools, and the ability to read hardware specs and schematics * Driver or application development on Linux, Unix or macOS * Excellent written and verbal communication skills Nice-to-haves * C++, Objective-C or Swift * BS or MS in Computer Engineering, Computer Science or Electrical Engineering (or equivalent experience) Tools and tech: Python, ARM, gdb/lldb, USB, UART, SPI, I2C, I2S, PCIe, Linux, Unix, macOS, C++, Objective-C, Swift ## Description You'll test and validate firmware and drivers across common firmware interfaces, chipsets, communication protocols and SoC IPs. You'll also build features that support hardware testing and device diagnosis, and contribute to new-technology exploration and proof-of-concept work. It's a highly cross-functional role, working daily with EE, Systems Engineering, Software Engineering, Hardware Test, QA, Factory, Manufacturing and Operations teams. What you'll do * Validate and debug firmware and drivers on embedded products * Build and maintain Python test automation for system-level validation * Test hardware interfaces such as USB, UART, SPI, I2C, I2S and PCIe * Implement tools and features that support hardware testing and device diagnosis * Read hardware specs and schematics to design test coverage * Support proof-of-concept development for new technologies