Software Firmware Test & Sustaining Engineer

The Software/Firmware Test & Sustaining Engineer works alongside the firmware and software team to continuously test, validate, and strengthen the embedded firmware and supporting applications used in ZincFive’s NiZn based products. Software/Firmware Test & Sustaining Engineer Job Duties Develop, maintain, and execute manual and automated test plans for embedded firmware and supporting software tools Build and extend regression test suites for firmware releases, including hardware-in-the-loop and system-level tests Set up and maintain test fixtures and lab equipment (battery cabinets, power supplies, load banks, instrumentation, etc.) for repeatable testing Log, triage, and track issues found during testing; work with developers to reproduce and isolate root causes Document test results and provide clear feedback into PLM gate reviews and release decisions Assist with bug fixes and smaller feature updates in firmware and supporting software (e.g., tools, scripts, internal apps) Help reproduce production and field issues in the lab and verify fixes before deployment Support production, service, and field teams by: Creating and updating diagnostic procedures Providing training on tools and test processes Supporting investigations during RCCA activities Develop or enhance test automation tooling (e.g., Python scripts, test harnesses, CI integration) to improve coverage and repeatability Contribute to improving test documentation, including test cases, procedures, and lab setup guides Collaborate with firmware, software, and quality teams to strengthen release criteria, regression strategies, and test coverage over time Participate in and contribute to cross-functional reviews (design reviews, gate reviews, post-mortems) from the testing and sustaining perspective Job Requirements 1+ years of experience in one or more of: Embedded firmware development and testing Software/firmware QA or validation engineering Sustaining engineering for embedded products Bac...