OT Security Architect

OT Cyber Security advisory

Experience in NIST 800-82/IEC 62443

Strong Experience on OT systems ( PLC, SCADA, HMI)

1. Develop OT security architectures aligned with corporate standards
2. Lead site assessments and define target-state OT network and security designs
3. Create security requirements, design documents, and implementation guidelines
4. Support vendor solution evaluations and technical decision-making
5. Provide oversight during deployment and commissioning
6. Ensure alignment with IEC 62443 and other relevant frameworks
7. Strong knowledge of industrial protocols (Modbus, Profinet, OPC-UA, etc.)
8. Experience with segmentation, firewalls, DMZ design, and secure remote access
9. Familiarity with major automation vendors (Siemens, Rockwell, Schneider, etc.)
10. Ability to work with cross-functional teams and site engineering groups
11. Strong documentation and communication skills