Industrial Automation Software Engineer

ST Engineering Ang Mo Kio, North East Community Development Council, Singapore
Industrial Automation Software Engineer
ST Engineering Ang Mo Kio, North East Community Development Council, Singapore
We are seeking an Industrial Automation Software Engineer with a minimum of 10 years’ experience in Industrial software coding. This role will focus on control system programming, SCADA integration, and industrial communication protocols. Experience with energy management systems (EMS) is a plus.
Key Job Accountabilities:
Design, develop, test, and debug PLC control logic for electrolyser operations using platforms such as: Beckhoff TwinCAT, Siemens TIA Portal / Step 7, Yokogawa, Rockwell Studio 5000
Integrate control systems with SCADA for monitoring, alarms, and supervisory control.
Implement and maintain industrial communication protocols (e.g., Modbus TCP/IP, EtherCAT, Profinet, OPC UA).
Support software commissioning during FAT, SAT, and site deployment.
Maintain version control and ensure documentation is up to date.
Collaborate with process, electrical, and instrumentation teams to align software functionality with system requirements.
Develop or modify EMS algorithms for load balancing, peak shaving, and energy optimization.
Apply relevant safety standards in software design, such as IEC 61508 and applicable electrical codes.
Required Qualifications & Skills:
Bachelor’s degree in Electrical engineering, Automation Engineering, Computer Science, or related field.
Strong experience in PLC programming and industrial software development on Beckhoff (must have), Siemens, Yokogawa, or Rockwell systems.
Proficiency in Ladder Logic, Structured Text, and Function Block Diagram (FBD).
Familiarity with SCADA systems (e.g., WinCC, Ignition, Wonderware).
Knowledge of industrial networking and communication protocols.
Understanding of industrial safety concepts and functional safety compliance.
Strong problem-solving skills and attention to detail.
Preferred Skills:
Experience in hydrogen production, electrolysers, or other process industry automation.
Exposure to energy management systems and their integration in industrial facilities.
Familiarity with industrial cybersecurity practices.
Experience with HMI development for process visualization.
Additional Requirements:
Proven ability to collaborate with cross-functional engineering teams (process, electrical, instrumentation, control, and project execution) to deliver integrated industrial control and EMS solutions.
Comfortable working with international stakeholders in different countries and time zones, adapting to varied technical standards and work practices.
Self-directed — capable of progressing software development tasks independently, while aligning with overall project objectives and timelines.
Experienced in coordinating PLC and SCADA integration with equipment suppliers and engineering partners across multiple geographies.
Skilled in interpreting and implementing functional requirements provided by diverse technical teams into robust industrial software code.
Experience supporting project delivery from design to commissioning in a multi-country setup, ensuring compliance with both local and international safety and control standards.
Capable of managing interface documentation for PLC/SCADA systems to align software deliverables with hardware, process, and safety requirements.
Seniority level
Seniority level Mid-Senior level
Employment type
Employment type Full-time
Job function
Job function Information Technology
Industries Defense and Space Manufacturing
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