OT Network Administrator - ICS/SCADA & Boundary Defense

DEFTEC Corporation seeks an Operational Technology Network Administrator to design, secure, and sustain high-availability OT networks supporting FRCS, ICS, SCADA, and BMS environments. You will configure rugged hardware, enforce Purdue Model segmentation, and manage PPSM to ensure only approved industrial protocols traverse enclaves. The role requires active Tier 5 Top Secret clearance and extensive OT network security experience across MILCON modernization and contractor integration. #J-18808-Ljbffr DEFTEC Corporation