Develop and maintain Marine Corps FRCS enterprise and reference architectures, focusing on OT cybersecurity, SDN/SDA, segmentation, continuous monitoring, RMF authorization, and compliance. Coordinate stakeholders, CSSP responsibilities, governance documents, MOAs, SLAs, POA&Ms, security plans, and portfolio management artifacts. Support architecture working groups, workshops, briefings, training, and cybersecurity assessments. Analyze OT protocols and security postures, advise on ICS/SCADA compliance, monitor emerging threats, and travel to Marine Corps installations as needed.