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