IT/OT Integration Engineer📣 Job Ad

About the Role

Arabian Digital Solutions (ADS) is an industrial automation and engineering company serving critical sectors across Saudi Arabia and the Middle East. ADS specializes in end-to-end services for Distributed Control Systems (DCS), Programmable Logic Controllers (PLC), Supervisory Control and Data Acquisition (SCADA), oil and gas systems, and building management systems. We are seeking a dedicated IT/OT Integration Engineer to join our team in Riyadh, Saudi Arabia, to support our Industrial Digital Solutions initiatives. This role focuses on bridging the gap between IT systems and Operational Technology (OT) environments.

Key Responsibilities

• Configure and maintain data connectivity from OT systems to the historian platform using protocols such as OPC UA, OPC DA, MQTT, Modbus, and similar technologies.
• Reproduce customer-reported issues, collect necessary system logs, and collaborate with platform engineering teams for issue resolution.
• Troubleshoot software and infrastructure issues, including services, ports, firewall rules, SSL certificates, networking configurations, and remote access solutions.
• Produce technical documentation, deployment guides, and detailed issue reports for internal and client use.
• Coordinate with internal ADS teams and client organizations, serving as the primary technical point of contact for the platform.

Qualifications and Experience

• 2 to 5 years of hands-on experience in IT/OT systems, industrial software platforms, historian systems, automation data infrastructure, or software deployment.
• Strong practical experience with Windows Server administration, including installation, service management, event log analysis, and network configuration.
• Solid working knowledge of Linux, including command-line usage, service management, log review, and file system operations.
• Demonstrated experience in software development and scripting using languages such as Python or C# for integration and automation.
• Hands-on experience integrating industrial protocols like OPC and Modbus, and establishing OT to IT system connectivity.
• Hands-on experience with Docker and Docker Compose for deploying, configuring, and troubleshooting containerized applications.
• Working knowledge of SQL and fundamental database concepts.
• Proven ability to troubleshoot complex software systems by analyzing logs, checking service status, and diagnosing network and security configurations.
• Familiarity with OT environments, including SCADA, HMI, DCS, or industrial historian platforms such as OSIsoft PI, Wonderware, or Ignition.

Required Skills

• Industrial Communication Protocols: OPC UA, OPC DA, MQTT, Modbus TCP/RTU, Modbus.
• Server Administration: Windows Server administration, Linux command line.
• Scripting and Development: Python, C#, Software Development.
• Containerization: Docker, Docker Compose.
• Databases: SQL, basic database concepts.
• Industrial Systems: SCADA, HMI, DCS, Industrial historian platforms (*, OSIsoft PI, Wonderware, Ignition).
• Networking: OT networking, VLANs, Firewalls, DMZ architecture.
• General Skills: Technical documentation, Communication.

Work Environment and Location

This is a full-time, on-site position based in Riyadh, Saudi Arabia. The role requires strong written and verbal communication skills in English. Arabic language proficiency is considered an advantage.