Field Applications Engineer

EnerSys is a global leader in stored energy solutions for industrial applications. We have over thirty manufacturing and assembly plants worldwide servicing over 10,000 customers in more than 100 countries. Worldwide headquarters are located in Reading, PA, USA with regional headquarters in Europe and Asia. We complement our extensive line of Motive Power and Energy Systems with a full range of integrated services and systems. With sales and service locations throughout the world, and over 100 years of battery experience, EnerSys is the power/full solution for stored DC power products.  What We’re Offering Paid Holidays Medical, vision and dental Life Insurance, long term disability Tuition reimbursement plan Defined Pension Plan Compensation Range:  $75,900.00 - $94,800.00   Compensation may vary based on applicant's work experience, education level, skill set, and/or location.   This is a current vacant position.   Job Purpose The Field Applications Engineer supports the reliability, availability, and performance of battery-buffered DC fast charging and energy storage systems deployed in the field. Working closely with Field Service, Engineering, Operations, and Site Reliability Engineering, this position troubleshoots complex hardware, software, firmware, communication, networking, and vehicle-interoperability issues; analyzes system logs and fleet data; reproduces field failures; and validates corrective actions before and after deployment. This is a hands-on, cross-functional engineering role for someone interested in developing expertise across EV charging, battery energy storage, embedded systems, power electronics, networking, software, and data analytics. Approximately 30% travel is required, including international travel. Essential Duties and Responsibilities Maintain and improve the reliability, availability, and performance of deployed battery-buffered DC fast charging stations. Work closely with Enersys Service team to resolve issues Troubleshoot complex hardware, software, firmware, communications, networking, and system-level issues affecting charger operation. Lead or support root-cause investigations into charger downtime, unexpected reboots, failed charging sessions, recurring faults, and degraded performance.\ Perform EV interoperability and compatibility testing across different vehicle manufacturers, models, and charging implementations. Analyze charging protocols, system logs, telemetry, fault data, and charging-session behavior to diagnose vehicle-to-charger compatibility issues. QA/testing in Embedded or IoT systems - Develop software, scripts, diagnostic utilities, automated tests, and data-analysis tools that improve troubleshooting and system validation. Reproduce field failures in test environments and validate engineering fixes before deployment. Partner closely with Site Reliability Engineering to analyze large operational datasets and identify…