OT Cybersecurity / SCADA Engineer

General Description

Join a leading global professional services and consulting organization delivering a major cybersecurity and technology transformation program for one of the UAE’s largest energy and utilities organizations .

We are looking for an experienced OT Security / SCADA Engineer to support a long-term engagement focused on securing, strengthening, and enhancing Operational Technology (OT), Industrial Control Systems (ICS), SCADA, and critical infrastructure environments across the energy and utilities landscape.

This is a specialist OT/ICS Cybersecurity position rather than a general IT Cybersecurity, SOC, Network Security, or Information Security role . We are specifically looking for professionals with hands-on experience securing SCADA/ICS environments, industrial networks, control systems, and critical infrastructure , ideally within Energy, Utilities, Power, Water, Oil & Gas, or similar industrial environments .

The successful candidate will bring strong experience across OT Cybersecurity, SCADA/ICS Security, industrial network security, network segmentation, OT security architecture, firewalls, vulnerability and risk assessment, IEC 62443, Purdue Model, OT monitoring technologies, and industrial communication protocols .

This is a 3-year contract / freelance engagement based in the UAE .

Key Responsibilities

• Support the cybersecurity and resilience of OT, ICS, SCADA, and industrial control environments
• Design, review, and implement secure OT network architectures, segmentation, security zones, conduits, and OT DMZs
• Secure industrial assets including SCADA servers, PLCs, DCS, HMI, RTUs, engineering workstations, industrial switches, and communication devices
• Perform OT cybersecurity risk assessments, vulnerability assessments, gap assessments, and security reviews
• Implement and maintain industrial firewalls, IDS/IPS, secure remote access, network monitoring, and endpoint security controls
• Support OT monitoring and asset visibility using technologies such as Nozomi, Claroty, Dragos, Tenable OT, or equivalent
• Implement security controls aligned with IEC/ISA 62443, NIST SP 800-82, Purdue Model, and relevant OT cybersecurity frameworks
• Assess and secure industrial communication protocols including IEC 61850, IEC 60870-5-104, Modbus, DNP3, OPC/OPC-UA, PROFINET, and related protocols
• Support OT asset discovery, inventory management, vulnerability management, system hardening, patch management, and threat monitoring
• Support OT cybersecurity incident detection, investigation, response, and remediation
• Review and secure integration between IT and OT environments
• Participate in FAT, SAT, testing, commissioning, troubleshooting, and security validation
• Work closely with cybersecurity, engineering, operations, automation, network, OEM, vendor, and project teams.

Required Skills & Experience

• Strong hands-on experience in OT Cybersecurity, ICS Security, SCADA Security, or Industrial Cybersecurity
• Practical experience working within SCADA/ICS and industrial control environments
• Experience with PLC, DCS, HMI, RTU, SCADA servers, and industrial automation systems
• Strong knowledge of OT network security, segmentation, firewalls, VLANs, DMZ architecture, secure remote access, and IT/OT integration
• Experience with IEC/ISA 62443 and OT cybersecurity risk assessment methodologies
• Strong understanding of the Purdue Model
• Experience with Nozomi, Claroty, Dragos, Tenable OT, or similar OT security platforms
• Knowledge of industrial protocols including IEC 61850, IEC 104, Modbus, DNP3, OPC/OPC-UA, PROFINET, or similar
• Experience across OT vulnerability management, security hardening, patch management, threat monitoring, and incident response
• Strong industrial networking and network security knowledge
• Previous experience within Energy, Utilities, Power Generation/Transmission/Distribution, Water, Oil & Gas, or other critical infrastructure environments is highly desirable
• UAE/GCC OT or critical infrastructure experience would be advantageous.

Engagement Details

Engagement Type: Contract / Freelance

Project Duration: 3 Years

Location: UAE

Project Environment: Energy & Utilities / Critical Infrastructure

Work Setup: Onsite