About the job

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

Responsibilities