Architecture knowledge of Nozomi Guardian/CMC or similar OT visibility platforms, Check Point and Palo Alto firewalls, Cisco or industrial switching, Zscaler, CyberArk, Splunk, ServiceNow, and CMDB integrations. Define target-state OT security architecture and site patterns covering segmentation, zones and conduits, industrial DMZs, firewalls, switching, load balancing, secure remote access, monitoring, logging, and management connectivity.