As a Senior Building Automation Engineer at OCI’s data center facilities in Saline Township, MI, you will serve as a senior technical expert for building automation systems, leading complex troubleshooting and root cause analysis to ensure the reliability and cybersecurity of BMS, EPMS, PLC, SCADA, and OT infrastructure. Your daily responsibilities include reviewing control logic, sequences of operation, and alarm philosophy across sites, providing technical leadership during commissioning and startup phases, and mentoring junior engineers. You will work closely with Facilities Operations, Reliability Engineering, and site operations teams to enhance automation architecture and operational supportability, using advanced skills in Rockwell, Siemens, Schneider Electric, or equivalent ecosystems. This role demands deep experience in mission-critical environments and a strong background in building automation and controls engineering, with expertise in OT cybersecurity practices and frameworks like IEC 62443 or NIST 800-82.