# PLC Programmer / Automation Engineer (CODESYS Expert)

> Sunreef Yachts · Ras Al-Khaimah, United Arab Emirates · Full-time · Posted 2026-05-11

**Workplace:** on_site

**Department:** Engineering

## Description

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**](mailto: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

## Apply

[Apply at Sunreef Yachts](https://apply.workable.com/sunreef-yachts-1/j/688FB329CE/apply)

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