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Positions:OT Security SME – IEC62443 IT Cyber Security Engineer (Cisco ISE & TrustSec)Contract: 1 year (Remote)Responsibilities:Position-1: OT Security SME – IEC62443: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 inputsPosition-2: IT Cyber Security Engineer (Cisco ISE & TrustSec):As per defined design standards and approved design below activities to be performed:Build, and configure Cisco ISE and TrustSec solutions to enable secure, segmented network access as part of remediation plans.Implement and manage authentication (802.1X, MAB), authorization, and endpoint profiling policies in Cisco ISE for devices impacted by remediation.Configure and enforce Security Group Tags (SGTs) and Security Group Access Control Lists (SGACLs).Deploy and maintain TrustSec tagging, SXP peer relationships, and policy propagation across Cisco switches and wireless controllers to ensure consistent remediation.