> Markdown version of [/jobs/ext/1643491-test-engineer](https://www.wearedevelopers.com/jobs/ext/1643491-test-engineer). 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). --- # Test Engineer - **Company:** Bold - **Location:** Spain - **Contract:** Permanent contract - **Skills:** Data Analysis, Python (Programming Language), Software Requirements Analysis, Test Data, Data Management - **Published:** July 13, 2026 - **Apply:** https://www.jobleads.com/es/job/e07dee89ba24b60962057e74e57015eb5 ## About the Role * Bachelor's or Master's degree in Industrial, Electrical/Electronic or Mechanical Engineering, or equivalent experience. * 5+ years in testing or validation of HV systems, ideally in automotive, motorsport or aerospace. * Experience with vibration and shock testing, accelerometers and data acquisition systems. Technical Skills * Experience in test planning, DVP creation and validation of HV battery systems or similar. * Proficiency with CAN tools (CANalyzer, CANoe, PCAN) and data analysis (Python, Concerto, vSignalyzer). * Hands-on use of HV test equipment: battery cyclers, climatic chambers, vibration, EMC, abuse testing. * Knowledge of testing standards (ISO 26262, UN 38.3, ECE R100 or equivalent). * Familiarity with automation, data management and continuous improvement in testing processes. Languages * Advanced proficiency in English and Spanish (spoken and written). ## Description At BOLD, we design and build the next generation of high-performance battery systems for the world's most demanding industries - from Formula 1 and hypercars to aerospace, marine and defense. Our mission: to deliver energy systems where every millisecond and every degree matter. As a Senior Test Engineer, you will play a key role in validating the performance, safety and reliability of our high-voltage battery systems. You'll design and execute advanced test plans, analyze data, and collaborate with cross-functional teams to turn engineering concepts into proven, high-performing energy solutions., * Plan, execute and analyze validation tests to ensure our high-voltage battery systems meet the highest standards of performance, safety and reliability. * Develop and maintain Design Verification Plans (DVPs), linking system requirements to test activities and ensuring complete coverage throughout the validation process. * Set up and operate test benches and measurement systems - including battery cyclers, climatic chambers, vibration and shock rigs, EMC and abuse test setups. * Use tools like CANalyzer, CANoe, PCAN Explorer, Python, Concerto or vSignalyzer to collect, process and interpret test data. * Collaborate with design, systems, hardware and software engineers to identify issues, propose solutions and verify design improvements. * Apply and adapt testing standards and safety regulations from automotive, motorsport, aerospace and defense industries. * Contribute to continuous improvement by refining test methodologies, introducing automation or data management tools, and supporting the development of new test infrastructure. * Act as a technical reference within the Testing team, guiding and supporting junior engineers in developing their testing skills and ensuring consistent, high-quality validation practices. ## Related Videos - [Dirty Tests And How To Clean Them](https://www.wearedevelopers.com/videos/515-dirty-tests-and-how-to-clean-them) - [Data Science in Retail](https://www.wearedevelopers.com/videos/586-data-science-in-retail) - [It's all about the Data](https://www.wearedevelopers.com/videos/425-it-s-all-about-the-data) - [Building a hypercar from scratch](https://www.wearedevelopers.com/videos/607-building-a-hypercar-from-scratch) - [Stop Guessing, Start Measuring: Evaluating RAG Systems with Synthetic Test Data](https://www.wearedevelopers.com/videos/1982-stop-guessing-start-measuring-evaluating-rag-systems-with-synthetic-test-data) - [Software stack under and over the hood of the fastest accelerating car in the world](https://www.wearedevelopers.com/videos/221-software-stack-under-and-over-the-hood-of-the-fastest-accelerating-car-in-the-world) ## Related Articles - [The 8 Best Code Testing Tools](https://www.wearedevelopers.com/magazine/402-the-8-best-code-testing-tools) - [How software is steering vehicle technology](https://www.wearedevelopers.com/magazine/515-how-software-is-steering-vehicle-technology) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Data Engineer Salary UK](https://www.wearedevelopers.com/magazine/253-data-engineer-salary-uk) - [The 12 Best Jobs for Software Engineers](https://www.wearedevelopers.com/magazine/401-the-12-best-jobs-for-software-engineers) - [What’s the Difference between a Junior, Mid, and Senior Developer?](https://www.wearedevelopers.com/magazine/238-what-s-the-difference-between-a-junior-mid-and-senior-developer)