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About ALSO. We’re ALSO, an electric mobility company originally conceived as a part of Rivian. We’re a passionate team of builders, dreamers, doers and innovators, focused on creating entirely new (not to mention, innovative and delightful) vertically integrated, small EVs designed to meet the global mobility challenges of today and tomorrow. Our mission is to inspire everyone to ride ALSO—replacing many local car, truck and SUV miles with ones on vehicles that are more affordable, more enjoyable and 10-50x more efficient. We’re looking for a Battery Test Engineer (All Levels) to own battery validation strategy (inc. safety testing) for our vehicle platforms. This is not a test execution role. You will define what needs to be tested, determine what good looks like, build the capability required to validate it, and help drive the engineering decisions that determine product readiness and reliability. You should be equally comfortable building prototype hardware, designing tests, developing automated test capability, analyzing test data, performing failure analysis and making clear engineering judgments about system readiness and safety risks. What You Will Do - Define the validation strategy for a system; what needs to be tested, what good looks like, and what sign-off requires for electromechanical hardware from prototype through production release. - Design test methodologies that accurately represent real-world operating conditions, manufacturing variation, and long-term product usage. Scope spans performance, reliability, durability, environmental, and abuse testing across mechanical, electrical, and thermal domains. - Build and bring up prototypes and test hardware hands-on. - Own instrumentation, debugging, and root-cause analysis when things fail. - Design fixtures, automation tools, and lab infrastructure that improve test quality, repeatability, and speed. Build the capability the program needs, not just what exists. - Analyze test data and translate findings into clear design actions and program risk assessments — not just pass/fail reports. - Partner with Battery Design, BMS, Systems, and Vehicle Engineering to ground validation in real use cases and behaviors. - Coordinate with external test labs, certification agencies, suppliers, and contract manufacturers to support compliance and validation activities - You'll be an early member of a growing test engineering team. How you work — your rigor, your velocity, your standards — sets the bar for the test engineers who come after you. What You Will Bring - BS/MS in Mechanical Engineering, Electrical Engineering, or related field - Ability to bound problems from first principles — electrochemical, thermal, and mechanical — with back-of-envelope reasoning before reaching for simulation - Experience with test and validation of complex electromechanical assemblies (incl. Batteries), with a track record of owning strategy and sign-off across full programs - Strong hands-on capability: building fixtures, instrumenting hardware, debugging systems, and operating test equipment independently — not just directing others to do it - Proficiency with lab instrumentation: DAQs, oscilloscopes, power supplies, electronic loads, environmental chambers, and sensors; scripting in Python or MATLAB for test automation and data analysis - Experience defining validation strategies, writing test plans, and owning production readiness sign-off decisions - Proficiency with data analysis tools (Python, MATLAB, or similar) for processing and communicating test results - Comfortable working directly with overseas suppliers to evaluate technical capabilities and lead validation activities on-site and traveling up to 15% of the time if needed Bonus Points - Familiarity with thermal simulation and correlation of models against measured test data - Background in small EVs, two-wheelers, or light electric mobility platforms - Experi