
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
Requirements
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
Benefits
· 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

The Sunreef Yachts shipyard, established in Gdansk – Poland in 2002 by French Businessman- Francis Lapp, has the knowledge, experience and technical background necessary to manufacture unique multihulls of the highest quality composite using the most advanced technology practiced in the yachting industry today.
Each Sunreef custom-made catamaran is designed in great detail for the most demanding customer and delivers the best in comfort, living, and safety. Every yacht boats high-performance sailing, luxury “tailored” accommodation, extensive living space and innovative design features. Thanks to the large distance between their two hulls and proper weight distribution, Sunreef`s catamarans are much more stable than typical monohulls. These vessels are regarded by their users as real “floating villas”. They are significantly wider so that they can provide even double the living space of a monohull. With exceptional space and great stability, all Sunreef Yachts make spending time aboard nothing but a pleasure. On a catamaran of a certain size there is no need to compromise on the comfort which boat owners and guests are used to from their homes- it is possible to accommodate a large number of guests, dine and rest comfortably in any of the nicely arranged areas indoors or outdoors no matter whether cruising on the ocean, anchored in the bay or moored in the marina. Sunreef Yachts are well known among customers around the world.
The combination of all the features of Sunreef`s units together with designs that are fully customizable and prepared upon individual request, reinforce Sunreef Yachts as the undisputed leader in luxury catamarans. Thus far the shipyard has launched more than 80 super sailing and power units for individual requests.