Service Technician Industrial Refrigeration (m/f/d)

Johnson Controls; Kraków; On-site; PLN 368,000 - 552,000; Full time

Job summary

Johnson Controls is seeking an experienced industrial refrigeration technician to join its team in Switzerland. You will handle commissioning, maintenance, and repair of NH3 systems, advise customers, and participate in on-call rotations.

A vocational background in refrigeration/HAVC is required, with strong English and German language skills being a plus. You will work in a regionally organized service area, supported by a professional team, and have opportunities for career development in

Qualifications

• Completed vocational training in Refrigeration Technology, HVAC, Mechatronics, or a related technical field.
• Hands-on experience commissioning and servicing industrial refrigeration, HVAC, and chilled water systems.
• Experience with ammonia (NH3) refrigeration systems is required.
• Strong communication skills and the ability to work effectively within a team.
• Independent, structured, and customer-focused working style.
• Driver’s license (Category B) valid.
• Professional English skills are required; German is an advantage.

Responsibilities

• Commissioning, maintenance, troubleshooting, repair, and servicing of industrial refrigeration, HVAC, chilled water, and ammonia (NH3) systems.
• Handover of installed systems to customers, including training and documentation.
• Advising customers on preventive maintenance measures, safety regulations, and technical improvements.
• Modifications and upgrades on existing installations.
• Delivering high-quality maintenance, repair, and service activities.
• Participating in an on-call rotation to ensure customer support and system availability.

Skills

Communication

Teamwork

Customer-focused

Flexibility

NH3 refrigeration experience

English

German language

Driver's license (B)

Independent working style

Education

Vocational training in Refrigeration Technology / HVAC / Mechatronics

Job description

Job Description Whether you are already based in Switzerland or looking to relocate from another European country, this is an excellent opportunity to join a leading industrial refrigeration team in Switzerland and work on challenging, large-scale refrigeration projects.

What You Can Expect

• Exciting and varied tasks with a high level of responsibility
• Work in your region – we plan your service area individually and as close to your home location as possible
• A motivated and supportive team environment
• Proven and innovative refrigeration solutions you can be proud of
• Competitive salary, attractive benefits, and excellent development opportunities

Your Responsibilities

• Commissioning, maintenance, troubleshooting, repair, and servicing of industrial refrigeration systems, HVAC systems, chilled water systems, and ammonia (NH₃) refrigeration plants
• Handover of installed systems to customers, including operational training and provision of relevant documentation and accessories
• Advising customers on preventive maintenance measures, safety regulations, and technical improvements
• Performing modifications and upgrades on existing installations
• Delivering high-quality maintenance, repair, and service activities
• Participating in an on-call rotation (standby duty) to ensure excellent customer support and system availability

Your Qualifications

• Completed vocational training in Refrigeration Technology, HVAC, Mechatronics, or a related technical field
• Proven hands‑on experience in commissioning and servicing industrial refrigeration, HVAC, and chilled water systems
• Experience with ammonia (NH₃) refrigeration systems is required
• Strong communication skills and the ability to work effectively within a team
• Independent, structured, and customer‑focused working style
• Flexibility and willingness to respond to customer requirements
• Valid Category B driver's license
• Professional English skills are required; German is an advantage

International Candidates Welcome

We welcome applications from qualified candidates across Europe. For experienced industrial refrigeration technicians, we offer support throughout the recruitment process and the opportunity to build a long-term career in Switzerland.