Battery Test & Validation Senior Associate Engineer

Career Area: Engineering Job Description: Your Work Shapes the World at Caterpillar Inc. When you join Caterpillar, you're joining a global team who cares not just about the work we do – but also about each other. We are the makers, problem solvers, and future world builders who are creating stronger, more sustainable communities. We don't just talk about progress and innovation here – we make it happen, with our customers, where we work and live. Together, we are building a better world, so we can all enjoy living in it. At Caterpillar, we're working to help our customers build a better world. We wouldn’t be the Caterpillar we are today without the exceptionally talented, bright, and driven people who get the job done. This is your chance to help us make progress possible around the world – for our customers, for growing communities and for every member of our team. We are looking for a dynamic, organized and self-starter engineer to join our Power Systems & Controls Development (PS&CD) team. As an Sr Associate Engineer, you will serve as an individual contributor on complex and exciting projects that will support Integrated Drivetrain Energy Solutions division. You will be responsible for developing, implementing, and documenting standard technical test instructions used in the validation and development of Battery System technologies. Day-to-day work will involve converting test plans to test instructions, collaborating with lab engineers in the lab to execute testing, analyzing the data, and evaluating the performance against success criteria which will ultimately be used in making product decisions. You will be responsible for developing and maintaining accurate single-line diagrams for various test setups that will consist of battery cells, battery modules, battery strings/packs, battery simulators, DC-DC converters, etc. This development and testing work is dynamic and fast-paced with opportunities to grow and develop. Education & Experience: - Bachelor’s or master’s in Electrical, Mechatronics or Electronics Engineering. - Desired to have coursework or experience in understanding Li-Ion battery systems operation. - 2 to 4 years of relevant experience in the development, validation testing, and integration of Battery systems, Battery Management Systems, or controls system Job Responsibilities: - Responsible for Battery system test plan execution. Day-to-day work will include - Selected candidate will be involved in Battery Cell, Battery Module and Battery pack testing (5V to 1500 V systems) - Analyzes and monitors data/reports to ensure the quality of test data collected - Evaluate and summarize results and make design and performance recommendations to the design team - Calibrate and validate BMS settings in controls software - Improve operational efficiency via test automation - Develop scripts to automate data analysis - Collaborate with test technicians for test & equipment set-up - Review test plans/FMEA controls and write test instructions - Collaborate with the global engineering team with data sharing & analysis - Responsible for meeting lab test plans on time - Follow, and advocate safe build/set-up/test procedures Technical skill set /tools: - Experience with MATLAB or Python coding for data analysis and interpretation - Understanding & experience with BMS and Li-Ion Battery systems - Experience/understanding of Li-Ion battery basics and safety - Experience with communication protocols and tools like J1939, CAN, TCP/IP Modbus, CANape, CANcase - Battery cycler systems & test sequencers: NHR9300, Enerchron, Arbin, Bitrode - Work experience in Vehicle batteries & testing, Electronics battery sensor algorithms testing will be an added advantage - Experience in the development and deployment of test strategy, test architecture and test automation - The candidate should have excellent written and verbal communication skills to work in a global environment Additional information: This job requires 5 working days from office. This Job Description is intended as a general guide to the job duties for this position and is intended for the purpose of establishing the specific salary grade. It is not designed to contain or be interpreted as an exhaustive summary of all responsibilities, duties and effort required of employees assigned to this job. At the discretion of management, this description may be changed at any time to address the evolving needs of the organization. It is expressly not intended to be a comprehensive list of “essential job functions” as that term is defined by the Americans with Disabilities Act. Posting Dates: November 13, 2026 - November 27, 2026 Caterpillar is an Equal Opportunity Employer. Qualified applicants of any age are encouraged to apply Not ready to apply? Join our Talent Community .