OT Cybersecurity Consultant

Client of AIQU; Medina; On-site; SAR 220,000 - 360,000; Full time

Job summary

Client of AIQU in Medina invites an experienced OT cybersecurity consultant to assess, design, and implement security for DeltaV DCS SIS and related control systems. You will lead risk assessments, define mitigations, and ensure compliance with IEC 62443 and NIST SP 800-82.

You will collaborate with engineering and operations, perform FAT and SAT, provide hands-on troubleshooting, and deliver training to staff while maintaining thorough technical documentation.

Qualifications

• Bachelor's degree in Engineering, Computer Science, or a related discipline.
• 5-7 years of professional OT cybersecurity consulting experience.
• Hands-on DeltaV DCS security hardening demonstrated.
• In-depth knowledge of SIS security principles and practices.
• Proven experience performing FAT and SAT for industrial control systems.
• Strong troubleshooting skills in OT environments.
• Familiarity with OT network segmentation, firewalls, and secure remote access.
• Excellent communication and problem-solving abilities.

Responsibilities

• Conduct OT cybersecurity risk assessments and audits for DeltaV DCS SIS and related control systems
• Design and implement security architectures and mitigation strategies for industrial control systems
• Perform FAT and SAT to validate system integrity and security
• Collaborate with engineering and operations teams to identify vulnerabilities and remediation
• Develop and maintain cybersecurity policies, procedures, and technical documentation
• Provide hands-on troubleshooting and incident response support in OT environments
• Deliver training and knowledge transfer to operations and maintenance personnel
• Ensure compliance with IEC 62443, NIST SP 800-82 and local regulations

Skills

OT cybersecurity

Risk assessment

Troubleshooting

Communication

Education

Bachelor's degree in Engineering or Computer Science

Tools

DeltaV DCS

FAT/SAT testing

OT network security

Firewalls

Job description

Responsibilities

• Conduct OT cybersecurity risk assessments and audits for DeltaV DCS SIS and related control systems
• Design and implement security architectures and mitigation strategies for industrial control systems
• Perform loop checks Factory Acceptance Testing FAT and Site Acceptance Testing SAT to validate system integrity and security
• Collaborate with engineering and operations teams to identify vulnerabilities and recommend remediation
• Develop and maintain cybersecurity policies procedures and technical documentation
• Provide hands‑on troubleshooting and incident response support in OT environments
• Deliver training and knowledge transfer to operations and maintenance personnel
• Ensure compliance with industry standards IEC 62443 NIST SP 800-82 and local regulations

Requirements

• Bachelor s degree in Engineering, Computer Science, or a related discipline
• 5 7 years of professional experience in OT cybersecurity consulting
• Hands‑on expertise in DeltaV DCS configuration, security hardening, and management
• In‑depth knowledge of Safety Instrumented Systems (SIS) security
• Proven experience performing loop checks FAT, and SAT for industrial control systems
• Strong troubleshooting skills in operational technology environments
• Familiarity with OT network segmentation, firewalls, and secure remote access
• Excellent communication and problem‑solving abilities