Role: Control System Specialist (R&D)
Location: Cork
Permanent Position
At Hays Specialist Recruitment we have a great opportunity for a Control System Specialist to join our Air Treatment and Climate Solutions client in Cork on a permanent basis.
Role Summary:
The ideal candidate should hold a Degree in Control Systems, Mechatronics, Software Engineering, or a related field and 3+ years of experience in software development for control systems, ideally in HVAC, refrigeration, or process environments.

Primary responsibilities:

• Design and develop control logic using Function Block Diagram (FBD) and structured programming methods
• Integrate and test control software on prototype systems in our R&D lab environment
• Collaborate closely with mechanical and electrical engineers to define system behaviour
• Tune and refine control loops (PID, cascaded control, etc.) based on experimental results.
• Contribute to test planning and support data acquisition and analysis for control validation
• Assist with documentation, version control, and handover to production where needed

What You Bring:

• Degree in Control Systems, Mechatronics, Software Engineering, or a related field
• 3+ years of experience in software development for control systems, ideally in HVAC, refrigeration, or process environments
• Proficiency in Function Block Diagram (FBD) programming
• Understanding of control system fundamentals and real-world system dynamics
• Experience with industrial sensors, PLCs, and automation hardware
• Ability to troubleshoot, iterate, and collaborate in a hands-on lab setting

Nice to have:

• Familiarity with Carel and/or Automated Logic Controls (ALC) platforms, though not required
• Experience working with industrial protocols (Modbus, BACnet, etc.)
• Background in data centre cooling, refrigeration, or thermal systems
• Experience in R&D or prototype development environments

If you’re interested in this role, click ‘apply now’ to forward an up-to-date copy of your CV, or call us now.
If this job isn’t quite right for you, but you are looking for a new position, please contact us for a confidential discussion about your career.
Hays Ireland is a trading division of Hays Specialist Recruitment (Ireland) Limited and acts as an employment agency for permanent recruitment and employment business for the supply of temporary workers. By applying for this job you accept the T&C’s, Privacy Policy and Disclaimers which can be found at hays.co.u

• Design and develop control logic using Function Block Diagram (FBD) and structured programming methods
• Integrate and test control software on prototype systems in our R&D lab environment
• Collaborate closely with mechanical and electrical engineers to define system behaviour
• Tune and refine control loops (PID, cascaded control, etc.) based on experimental results.
• Contribute to test planning and support data acquisition and analysis for control validation
• Assist with documentation, version control, and handover to production where neede