OT Security Analyst (Inventory/Diagrams/Risk Register)

Job description

Responsibilities We are seeking a highly skilled and innovative OT Security Analyst (Inventory/Diagrams/Risk Register) to join our team in the greater DMV area, supporting the Army National Guard. Responsibilities: - Maintain and update authoritative OT asset inventories, component registers, and configuration baselines. - Produce and sustain network/interconnection diagrams (logical and physical) reflecting OT topology, zones, conduits, and data flows. - Perform exposure and dependency analysis to map asset criticality, connectivity risks, and potential impact to operations. - Update and maintain risk registers (RIO): record vulnerabilities, residual risk ratings, mitigation owners, POA&Ms, and status tracking. - Validate system configurations with engineering and operations teams; identify undocumented connections or shadow assets and drive corrective actions. - Support vulnerability scanning/assessment cycles by correlating findings to OT assets and verifying remediation evidence. - Provide documentation and artifacts to support RMF/ATO evidence, CCRI readiness, and auditability for OT environments. - Collaborate with SOC/CIRT, network, and system owners to inform detection, mon...