Job Description
We are seeking a local OT/ICS Consultant to help implement a new OT/ICS security boundary for our manufacturing environment near Alma, Michigan.
The primary goal of this engagement is to design, build, and document a secure IT/OT segmentation model, including an OT DMZ, to separate corporate IT systems from manufacturing and industrial control systems while still allowing controlled access for vendors, support teams, monitoring, and required business systems.

Primary Objective
Implement a new OT/ICS boundary that establishes clear separation between the corporate IT network and shop-floor industrial systems, aligned with Purdue Model concepts and DIB/CMMC Level 2 security expectations.

Key Responsibilities
• Assess the current manufacturing network and OT/ICS communication paths.
• Design and implement the new OT/ICS boundary, including VLANs, firewall zones, routing, and access-control rules.
• Build or support implementation of an O...