OT Security Engineer

No Limit Technology
Full-time Riyadh, Riyadh Province Computer Occupations
Posted:
June 10, 2026
Location:
Riyadh, Riyadh Province, Saudi Arabia

Job Description

OT Security Engineer
Experienced OT Security Engineer with strong expertise in securing Industrial Control Systems (ICS), SCADA, and Operational Technology (OT) environments. Responsible for implementing cybersecurity controls aligned with Saudi NCA requirements, conducting risk assessments, and supporting compliance initiatives.
Key Requirements:
  • 5+ years of cybersecurity experience, including 3+ years in OT/ICS security.
  • Hands-on experience with SCADA, DCS, PLCs, RTUs, HMIs, and industrial communication protocols (Modbus, DNP3, OPC, IEC 61850, Profinet, Ethernet/IP).
  • Strong knowledge of OT network security, segmentation, industrial firewalls, IDS/IPS, SIEM, VPNs, and secure remote access.
  • Experience with OT security platforms such as Nozomi, Claroty, Dragos, Tenable OT, or Microsoft Defender for IoT.

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Job Overview

Job Type: Full-time
Location: Riyadh, Saudi Arabia
Posted: June 10, 2026
Deadline: July 20, 2026