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OT Security Architect

Open 35d posting dated 2 weeks ago

Key Responsibilities

  • Design and maintain secure industrial network architectures in accordance with the Purdue Model and IEC 62443 standards.

  • Define, implement, and oversee network segmentation and IT/OT microsegmentation policies to ensure physical and logical isolation of production environments.

  • Implement and optimize passive OT monitoring systems leveraging AI-driven detection engines for early identification of cyber threats and operational anomalies.

  • Design and audit secure remote access solutions for third-party vendors and service providers in compliance with NIS2 and GxP requirements.

  • Develop and enforce security standards for engineering workstations, SCADA servers, and HMI operator panels.

  • Design and supervise “Virtual Patching” processes for legacy OT systems to mitigate vulnerabilities without disrupting production continuity.

  • Review and validate new CAPEX and industrial investment projects from a cybersecurity and operational integrity perspective.

  • Assess and securely integrate emerging IoT and AI-based technologies into existing manufacturing and industrial environments.

Requirements

  • Bachelor’s or Master’s degree in Cybersecurity, Industrial Automation, Computer Science, or a related technical field.

  • Minimum 5 years of experience in a similar OT/industrial cybersecurity role.

  • Hands-on experience with Purdue architecture modeling and implementation of OT security technologies such as IDS/IPS, industrial security gateways, and perimeter firewalls.

  • Strong practical knowledge of OT security design and implementation, including industrial controller configuration and SCADA/HMI hardening.

  • Advanced understanding of IEC 62443 and NIS2 requirements related to critical infrastructure and industrial process protection.

  • Practical experience securing industrial communication protocols and integrating IoT solutions while maintaining strict network isolation.

  • Basic understanding of AI/ML technologies for anomaly detection and behavioral analysis within OT environments.

  • Professional working proficiency in English.

Nice to Have

  • Industry certifications such as GIAC GICSP or ISA/IEC 62443 certifications (minimum Fundamentals level).

  • Additional training or certifications related to industrial automation systems and industrial networking technologies.


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