Senior Cyber Security Engineer – OT/ICS (Saudi Arabia)

About the role

We are seeking a Senior Cyber Security Engineer with deep expertise in Industrial Control Systems (ICS) and Operational Technology (OT) to support a leading industrial project in Saudi Arabia.

Key responsibilities

• Implement OT cybersecurity measures during engineering, FAT, SAT, commissioning and startup phases.
• Configure and secure industrial control systems such as Emerson DeltaV, Honeywell Experion, or ABB 800xA.
• Perform system hardening, ensure compliance with cybersecurity standards and produce documentation.
• Support industrial network architecture, including firewalls, VLANs, network segmentation and virtualization environments.

Required profile

• Minimum 5 years of hands‑on OT/ICS cybersecurity experience.
• Experience with hardware/software commissioning, loop checks, FAT and SAT.
• Familiarity with IEC 62443 or related industrial cybersecurity standards is a plus.

Required skills

• OT/ICS cybersecurity
• Emerson DeltaV (preferred)
• Honeywell Experion
• ABB 800xA
• Hardware and software commissioning
• Loop checks, FAT, SAT
• Configuration, maintenance and troubleshooting of control systems
• Virtualization platforms: VMware, Hyper‑V
• Industrial network security, firewalls, VLANs, network segmentation
• Windows Server hardening and Active Directory
• Knowledge of IEC 62443 standards