PLC Programmer / Automation Engineer (CODESYS Expert)

Sunreef Yachts · Ras Al Khaimah

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We are looking for a highly technical PLC Programmer / Automation Engineer with strong expertise in CODESYS-based development environments. The candidate must be experienced in IEC 61131-3 programming, real-time control systems, and industrial communication protocols, with the ability to design scalable and modular automation architectures.
Key Responsibilities

• Develop, test, and maintain PLC applications using CODESYS V3.x platform
• Design software architecture using FB, FBD, ST, LD, and SFC
• Create reusable and modular CODESYS libraries and custom function blocks
• Implement OOP concepts (interfaces, inheritance, encapsulation)
• Configure task scheduling and real-time execution
• Perform I/O mapping and device configuration
• Debug using monitoring, breakpoints, and trace tools
• Manage version control and libraries
• Integrate systems via APIs and industrial protocols
• Support commissioning and troubleshooting

Required Skills & Technical Expertise
CODESYS (Mandatory):

• CODESYS V3.x
• Function Blocks, Functions, Programs
• Library creation and management
• GVL and persistent variables
• Pointers and memory handling
• State machine design
• CODESYS Visualization
• SoftPLC environments

Requirements

Industrial Communication Protocols:

• Modbus RTU
• Modbus TCP/IP
• CAN Bus / CANopen
• OPC UA
• MQTT

Systems & Integration:

• Linux-based systems
• REST APIs (HTTP/HTTPS, JSON/XML)
• TCP/IP, sockets, serial communication
• IoT and edge devices

Preferred Qualifications

• Industrial cybersecurity knowledge
• Docker (bonus)
• Real-time control and PID tuning
• Marine or yacht automation experience

Soft Skills

• Strong debugging skills
• Clean and modular coding practices
• Good documentation
• Team collaboration

please share your CV :
walid.alsalti@sunreef.com

Benefits

What We Offer:

·       Competitive salary and benefits package

·       Opportunity to work on innovative and sustainable projects

·       Supportive and growth-oriented work environment

·       Exposure to international standards and advanced technologies

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