PLC Programmer Automation Engineer CODESYS Expert

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

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

·       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