Senior OT Systems Engineer: Plant IT/OT Connectivity

Oldcastle Infrastructure, a CRH company, seeks a Senior OT Systems Engineer to design, secure, and lifecycle-manage plant-floor OT infrastructure and its integration with enterprise IT. This role sits within IT and bridges plant engineering to ensure uptime and cybersecurity across sites. The ideal candidate will drive standardized OT environments, align with ISA-95, and support secure remote access and lifecycle management for manufacturing operations in a hybrid Atlanta setting. #J-18808-Ljbffr OLDCASTLE INFRASTRUCTURE, INC. in