OT Cybersecurity Engineer

DWT Technology; Riyadh; On-site; SAR 260,000 - 460,000; Full time

Job summary

DWT Technology is seeking an experienced OT Cybersecurity Engineer to strengthen security across OT ICS environments and industrial networks in Riyadh. The role focuses on security controls, monitoring, vulnerability management and incident response for critical industrial assets.

The ideal candidate has 8+ years of cybersecurity experience with IEC 62443, NIST and ISO 27001 familiarity, hands-on work with SCADA/DCS/PLC/HMI, SIEM, and cross‑functional collaboration with IT and operations teams.

Qualifications

• Minimum 8 years of relevant cybersecurity experience.
• Strong knowledge of OT ICS security and industrial networks.
• Experience with SCADA/DCS/PLC/HMI systems.

Responsibilities

• Secure and monitor OT ICS environments and industrial networks.
• Implement OT cybersecurity controls, segmentation and monitoring.
• Conduct vulnerability and risk assessments across OT assets.
• Support IEC 62443, NIST and ISO 27001 compliance initiatives.
• Collaborate with IT, engineering and operations teams on OT security.

Skills

OT/ICS security

Industrial network security

Vulnerability assessment

Incident response

Cross-functional collaboration

Security monitoring

Risk assessment

Tools

SIEM

IEC 62443

Job description

OT Cybersecurity Engineer

Location: Riyadh Saudi Arabia

Experience: 8 Years

Domain: Operational Technology OT Industrial Control Systems ICS Industrial Cybersecurity

Employment Type: To be confirmed

Job Overview

DWT Technology is seeking an experienced OT Cybersecurity Engineer to strengthen security across Operational Technology OT Industrial Control Systems IC S and industrial network environments The ideal candidate will have strong expertise in OT IC S security industrial network protection security monitoring vulnerability management and incident response The role involves implementing OT cybersecurity controls assessing risks across industrial assets supporting compliance initiatives and collaborating with IT engineering and operations teams to protect critical industrial infrastructure

Key Responsibilities

• Secure and monitor OT IC S environments and industrial networks
• Implement OT cybersecurity controls network segmentation and security monitoring
• Conduct vulnerability assessments and risk assessments across OT assets
• Support compliance with IEC 62443 NIST ISO 27001 and relevant OT security best practices
• Work with industrial systems and technologies including SCADA DCS PLC HMI and industrial communication protocols
• Develop and maintain OT incident response procedures and security documentation
• Collaborate with IT engineering and operations teams to address OT cybersecurity risks
• Support security architecture reviews audits and compliance initiatives
• Identify security gaps and recommend improvements to strengthen industrial cybersecurity

Required Skills and Qualifications

• Minimum 8 years of relevant cybersecurity experience
• Strong knowledge of OT IC S security and industrial network environments
• Experience working with SCADA DCS PLC and HMI systems
• Understanding of industrial network security segmentation and OT security monitoring
• Experience conducting vulnerability assessments and risk assessments across OT assets
• Knowledge of IEC 62443 NIST ISO 27001 and OT security best practices
• Familiarity with SIEM vulnerability management and incident response
• Understanding of industrial communication protocols and OT security requirements
• Strong problem-solving and cross-functional collaboration skills
• Ability to support security architecture audits and compliance activities