OT Security SME

Job Role :OT Security SME Job Type: Permanent Job Location: Remote Job description: Validate zoning/segmentation intent and ensure endpoints are mapped against zones with appropriate VLAN/subnet placement inputs. Review and consolidate application communication flows to support policy intent and to define move groups based on dependency boundaries. Identify dependency risks (interlocks, shared services, cross-zone flows) that affect move-group sequencing and cutover safety. Provide assurance that planned logical changes and cutover steps maintain required OT communications and support resilience/security alignment (IEC62443/NIST alignment is explicitly required). Produce/maintain data-flow and move-group artefacts used by OT PMs and engineers for downtime planning and coordinated cutovers. Zone/endpoint mapping assurance notes, application flow matrices, move-group definitions, OT cutover dependency plan, and as-built variance inputs .