OT/ICS Cybersecurity Specialist

Tanqeeb; Abu Dhabi; On-site; AED 180,000 - 240,000; Full time

Job summary

OT Cybersecurity Specialised Services in Abu Dhabi seeks a Senior OT/ICS Cybersecurity Specialist with extensive Oil & Gas process control experience to secure OT/ICS environments and support cybersecurity projects across DCS, PLC, HMI, and industrial networks.

The role requires 15+ years in information security with 10+ in OT/ICS, strong engineering systems knowledge, and familiarity with standards such as ISA/IEC 62443 and NIST. Travel to site locations in Abu Dhabi may be needed.

Qualifications

• Bachelor’s degree in Computer Science, Information Systems, Electronics Engineering, or related discipline; or equivalent experience.
• 15+ years of Information Security/Cybersecurity experience, including 10+ years in Oil & Gas OT/ICS cybersecurity.
• Strong experience with DCS/PLC systems and OT environments.
• Knowledge of Modbus, Vnet, OPC, TCP/IP, UDP, DNP3, IEC 61850, OPC UA, and PROFINET.

Responsibilities

• Lead and support OT/ICS cybersecurity projects across Oil & Gas facilities.
• Design, assess, harden, and secure DCS, PLC, HMI, Engineering Workstations, servers, and OT networks.
• Perform OT vulnerability, threat, and risk assessments and recommend mitigation measures.
• Support cybersecurity activities during FAT, SAT, commissioning, and site implementation.
• Analyze OT network traffic and troubleshoot industrial communication protocols.
• Work with multiple ICs DCS/PLC OEM platforms and coordinate with vendors and project teams.
• Ensure solutions align with applicable OT/IT cybersecurity standards and best practices.

Skills

OT cybersecurity

DCS/PLC systems

Risk assessment

Industrial networks

Education

Bachelor’s degree in CS/IS/Electronics

Job description

OT Cybersecurity Specialised Services

We are seeking a Senior OT/ICS Cybersecurity Specialist with extensive experience in Oil & Gas process control systems. The role involves securing OT/ICS environments, supporting cybersecurity projects, and providing technical expertise across DCS, PLC, HMI, engineering systems, and industrial networks.

Key Responsibilities:

• Lead and support OT/ICS cybersecurity projects across Oil & Gas facilities.
• Design, assess, harden, and secure DCS, PLC, HMI, Engineering Workstations, servers, and OT networks.
• Perform OT vulnerability, threat, and risk assessments and recommend mitigation measures.
• Support cybersecurity activities during FAT, SAT, commissioning, and site implementation.
• Analyze OT network traffic and troubleshoot industrial communication protocols.
• Work with multiple ICs DCS/PLC OEM platforms and coordinate with vendors and project teams.
• Ensure solutions align with applicable OT/IT cybersecurity standards and best practices.

Required Qualifications & Experience:

• Bachelor’s degree in Computer Science, Information Systems, Electronics Engineering, or related discipline, or equivalent technical experience.
• 15+ years of Information Security/Cybersecurity experience, including 10+ years in Oil & Gas OT/ICS cybersecurity.
• Strong experience with DCS/PLC systems and OT environments.
• Knowledge of Modbus, Vnet, OPC, TCP/IP, UDP, DNP3, IEC 61850, OPC UA, and PROFINET.
• Strong knowledge of operating systems, network architecture, firewalls, routers, switches, Active Directory, and system hardening.
• Experience with ICs OEMs such as Honeywell, GE, ABB, Yokogawa, Schneider Electric, Emerson, and Siemens.
• Strong understanding of OT threats, vulnerabilities, exploits, and mitigation techniques.
• Good knowledge of NESA IAS, ISO 27001, ISA/IEC 62443, and NIST.
• Excellent written and verbal communication skills in English.

Work Location:

Work may involve Head Office, Oil & Gas project sites, client locations, and vendor/FAT facilities. Travel may be required based on project needs in Abu Dhabi.