Designs and secures embedded firmware for battery management and monitoring systems used in grid-scale energy storage. Responsibilities include C/C++ development, secure boot and cryptographic implementations, cybersecurity architecture and threat assessments, communication stacks, secure OTA updates, battery control algorithms, intrusion detection, and hardware-in-the-loop testing. The role collaborates with safety, controls, suppliers, and executive stakeholders while supporting vulnerability remediation, audits, and compliance reviews.