Purpose of the Role Senior Cell Validation Engineer Location: Coventry, UK Department: Cell Product Ownership & Validation Powering Progress at Agratas At Agratas, we’re building a cleaner energy future through advanced battery technologies. As Tata Group’s global battery business, we’re focused on designing and manufacturing high-performance lithium-ion cells for electric vehicles and energy storage. To support our mission, we’re looking for a Senior Cell Validation Engineer to ensure our products deliver unmatched safety, reliability, and performance. The Opportunity As a Senior Cell Validation Engineer, you will lead the validation of lithium-ion battery cells across all stages of development — from concept through to design and process validation (CV, DV, PV). You’ll be instrumental in turning requirements into robust, data-driven test plans, ensuring our products meet customer, legislative, and regulatory expectations. You’ll work cross-functionally with teams across design, CAE, test, and pack engineering — playing a key role in analysing test results, solving complex problems, and mentoring junior engineers. This is a unique opportunity to influence the technical quality of next-generation battery technologies. Key Responsibility Areas Key Responsibilities Lead planning and execution of validation phases (CV, DV, PV) for lithium-ion battery cells Develop robust test procedures to assess performance, durability, and reliability across a range of use cases Analyse test data using tools like Python or MATLAB, draw conclusions, and present clear technical insights Implement and improve validation methodologies, including data automation and traceability Ensure alignment with industry standards, regulations, and customer-specific validation requirements Support failure investigations with structured problem-solving tools such as 8D or Six Sigma Maintain accurate and traceable records of all validation activities Work collaboratively with Cell Design, Test Operations, CAE, and Pack teams to embed validation throughout the development cycle Provide mentoring and technical guidance to junior team members Job Context What We’re Looking For Essential Experience & Skills: Degree in Engineering, Physics, or a related discipline 3 years of experience in lithium-ion cell development or validation Hands-on experience validating large-format Li-ion cells Proven track record developing and executing CV/DV/PV test methodologies Strong data analysis skills using Python, MATLAB, or similar tools Confident communicator, able to collaborate effectively across technical teams Desirable Skills Familiarity with lithium-ion cell design and DFMEA processes Experience with failure analysis techniques such as CT scanning, X-ray, or thermal imaging Knowledge of test automation platforms or validation databases Why Join Agratas? At Agratas, You’ll Be Part Of Something Big – Helping To Deliver Energy Solutions That Have Global Impact. Here’s What You Can Expect A mission-driven company shaping the future of energy storage Opportunities to work on cutting-edge lithium-ion cell technology A collaborative, fast-moving environment that values innovation and technical excellence Support for personal and professional growth, including mentoring and development pathways