Battery Test & Validation Engineer (High Voltage Packs & Modules)

At Heart Aerospace we develop the ES-30, a regional hybrid-electric airplane with a capacity of 30 passengers, an electric zero-emission range of 200 km and an extended hybrid range of 400 km. Heart is targeting type certification of the ES-30 by the end of the decade.

Your mission

Heart Aerospace is seeking a highly motivated and experienced Battery Test & Validation Engineer to join our growing and dynamic team. In this role, you will be a key contributor to the development, testing, and optimization of advanced battery cells specifically designed for the demanding requirements of electric aerospace applications. You will leverage your deep understanding of Test & Validation methodologies and approach to drive innovation and ensure the highest levels of performance, safety and reliability.

Key responsibilities include but are not limited to:

• Lead the development and execution of comprehensive test plans and procedures for battery modules and high voltage battery packs designed for aerospace applications.
• Collaborate closely with the design team to define DFMEA, test requirements and ensure testability of new battery technologies and designs. Support the development of battery system qualification and certification plans.
• Create and maintain system and sub-system Design Verification Plans and Reports (DVP&R). Draft and release test plans. Host Test Readiness Reviews.
• Execute hands on testing for performance, life cycle, environmental, safety, mechanical (shock and vibe), thermal, electrical and homologation testing.
• Design, build and integrate test fixtures, data acquisition systems, and control software to conduct accurate and repeatable testing.
• Analyze test data, generate detailed reports, and present findings to cross-functional teams and leadership.
• Identify failure modes, perform root cause analysis to enhance battery system performance and reliability.
• Manage external testing labs and vendors as needed.

You'll Bring These Qualifications for Senior Battery Test & Validation Engineer:

• 5+ years of experience in battery testing and validation in high-reliability industries.
• Understanding of battery electrochemistry, performance characteristics, and safety requirements for lithium-ion batteries.
• Direct hands on experience in high voltage battery system testing and validation for lithium-ion batteries.
• Experience running battery testing equipment (e.g., cyclers, environmental chambers, safety test equipment) and data acquisition systems.
• Proficiency in data acquisition and analysis tools (e.g., LabVIEW, MATLAB).
• Strong problem-solving skills and the ability to perform root cause analysis.
• Familiarity with high-voltage systems and safety protocols.

You'll Bring These Qualifications for Staff Battery Test & Validation Engineer:

• 8+ years of experience in battery testing and validation, preferably within the aerospace, automotive, or other high-reliability industries.
• Deep understanding of battery electrochemistry, performance characteristics, failure mechanisms, and safety requirements for lithium-ion batteries.
• Direct hands on experience in high voltage battery system testing and validation for lithium-ion batteries.
• Experience running battery testing equip