Internship 2026: Take your first professional step towards real engineering projects and technological innovations at TESY

2026-02-233 min.

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TESY is a leading technological company with over 3 decades of experience in the development and production of devices and systems for heating and domestic hot water. With a presence in four continents and exporting in more than 60 countries, the company is among the established European producers in its sector. Besides its industrial development, TESY invests in young specialists through its structured internship program, aimed towards the next generation of engineers in Bulgaria.

The internship program is aimed towards students in their second course or higher, of their chosen engineering field. It offers the chance to contribute to existing projects and active work in key departments. Candidates receive access to modern equipment, work with specialized software and learn from experienced professionals.

Main areas of the internship program:

Automation and Maintenance Department

Suitable for candidates studying mechanical engineering, electrical engineering, automation and electronics. Activities include assistance in technical diagnostics, maintenance, analysis of equipment and work surrounding technical documentation.

Product Development Department

Suitable for candidates studying mechanical engineering, mechatronics, energy and engineering design. Interns participate in 3D modelling, developing constructive solutions, commencing tests and preparing technical documentation.

Department of Thermodynamic Systems

It is specialized for students of specialties such as thermal engineering and refrigeration engineering. The work includes analysis of thermodynamic processes, simulations, prototyping and laboratory testing.

“TESY’s internship program offers more than seasonal practice – it is an opportunity to build competencies, independence and confidence in a dynamic industrial environment. For students looking for real engineering experience and development prospects, this is a solid foundation for the next stage of their professional path,” the company added.