IT/OT Cyber Security Architect

Link Group is hiring a Senior IT/OT Cyber Security Architect to provide strategic and technical leadership for global manufacturing security, focusing on OT modernization and migrating legacy industrial systems to hybrid cloud environments.

• Deep practical knowledge of IEC 62443 and Defense-in-Depth strategies in industrial settings.
• Expertise in IT/OT integration, including the Purdue Model, network segmentation, DMZs, and industrial protocols (SCADA, PLC, DCS).
• Strong command of TCP/IP, VLANs, Next-Gen Firewalls (e.g., Palo Alto), and secure hybrid cloud architecture (Azure/GCP).
• Experience with OT-specific detection and IDS platforms (e.g., Armis).
• Ability to secure legacy industrial assets while implementing modern API and database hardening.
• Minimum 5 years in IT/OT Cyber Security Architecture.
• Background in Manufacturing, Pharma, Food & Beverage, or similar industrial sectors.
• Mastery of IEC 62443 (required); familiarity with NIST CSF and MITRE ATT&CK for ICS.
• CISSP, GICSP, or IEC 62443 professional certifications are highly desirable.

• Act as the primary security authority for global manufacturing and supply chain projects.
• Conduct technical reviews of solution designs to ensure compliance with IT/OT security standards.
• Perform threat modeling (STRIDE, MITRE ATT&CK for ICS) and security risk assessments.
• Develop technology roadmaps aligned with IEC 62443 and NIST CSF.
• Oversee the security of Industry 4.0 initiatives, including IoT, edge computing, and factory digitalization.
• Advise global business leaders and external vendors, translating complex security risks into actionable business outcomes.