We are looking for a skilled Cyber Security Engineer to join our team on a long-term contract basis in Oklahoma City, Oklahoma. In this role, you will focus on operational technology infrastructure, including PI systems and OT network/server design, to evaluate, document, and optimize systems across multiple chemical manufacturing plants. This position requires hands-on expertise in deploying network switches, standardizing architecture, and establishing secure, resilient connectivity across locations.<br><br>Responsibilities:<br>• Conduct comprehensive assessments of existing PI systems, including inventorying components, data flows, and dependencies.<br>• Design and implement standardized reference architectures for PI systems and OT networks to ensure consistency and high availability.<br>• Configure and deploy network switches while performing targeted network redesigns to align with established standards.<br>• Build and maintain secure Windows Server environments, including patching, backups, and system hardening.<br>• Create detailed documentation, including diagrams, asset lists, and operational procedures, to support ongoing infrastructure management.<br>• Develop change management processes to streamline updates and ensure system reliability.<br>• Establish monitoring and alerting mechanisms for critical PI and OT network components.<br>• Promote adherence to industry security standards, such as the Purdue model and relevant cybersecurity principles.<br>• Collaborate with operations, automation, and IT teams to ensure optimal system functionality and connectivity.<br>• Facilitate knowledge transfer and training for plant and corporate teams to maintain operational readiness.