Select brand

Select brand:

A brand of Bouygues Energies & Services
Kummler+Matter EVT

Professional world of fitting/installation

As fitters/installers at BYES, we are the reliable contact for the planning, installation, maintenance and repair of equipment and technical facilities in the fields of electrics, heating, ventilation, air conditioning, plumbing, refrigeration, security and automation, medium and high voltage, and process automation.


We are organisational talents and are considered true masters of calculation. We measure material requirements, create a cost estimate on this basis and, when carrying out our work, constantly ensure that pipes, cables and lines are coordinated with millimetre precision – always taking into account technical progress.


High-responsibility and exciting tasks
extensive creative freedom
direct customer contact
work throughout Switzerland

Where can you contribute?

  • Installing, maintaining and repairing equipment and devices – always taking into account environmental and energy-related aspects.
  • Assembling and laying cables, fitting equipment units and control and regulation devices
  • Commissioning the equipment and testing functionality
  • Locating and remedying faults
  • Coordinating, sharing information, and arranging schedules with other construction professionals and architects
  • Maintenance, servicing and repair work on existing equipment
  • Drawings and plans of installations
  • Organising the required materials
Bouygues Energies & Services supports every aspect of my work. Despite being a large corporation, Bouygues Energies & Services has great organisation even at the lowest level. The trust my superiors place in me allows me to freely organise my work and successfully carry out my tasks.

Dimitrios KATAKOLAS a.k.a. Geo, Supervising Plumbing Technician

Your areas of work

  • Electrics
  • Heating
  • Ventilation, air conditioning
  • Plumbing
  • Refrigeration
  • Technical services
  • Switchgear construction
  • Medium and high voltage equipment
  • Industrial equipment
  • KVA infrastructure equipment
  • Energy
  • Supply networks
  • Wastewater
I started out as an apprentice electrical installer and kept progressing to the role of site manager. Thanks to the training offered by Bouygues Energies & Services, there are plenty of possibilities for career development.

Tiago TEIXEIRA, Site Manager, Electrical Installations, Lausanne region

Job profiles

  • Automation Engineer
  • Fitter in Charge of Electrics
  • Fitter in Charge of HVAC and Plumbing
  • Electrician
  • Overhead Line Fitter
  • Heating Fitter
  • Refrigeration System Fitter
  • Ventilation Fitter
  • Ventilation System Builder
  • Plumber
  • Service Engineer for Electrics
  • Service Engineer for HVAC and Plumbing
  • Service Engineer for Medium and High Voltage Equipment
  • Service Technician for Electrics
  • Service Technician for Electrics, Measuring and Control Technology
  • Service Technician for HVAC and Plumbing
Bouygues Energies & Services is very mindful of everything to do with safety. We have access to the appropriate tools and equipment to carry out our work in the best possible conditions. Plus, dialogue with our colleagues and managers is easy and transparent.

Stéphane NGUYEN, Repair Specialist, Refrigeration Technology, Lausanne region

What we offer you

At Bouygues Energies & Services, you will have space to develop your ideas, as we shape current and future building technology and infrastructures together.


The personal development as well as the health and safety of our employees are among our top priorities, as they are the ones who help us stand out with their talent, dedication and ideas.



  • Varied and multifaceted roles
  • Cross-departmental projects
  • High level of occupational safety
  • Attractive social benefits
  • Exciting development prospects
  • Fully provided PPE

What are you waiting for?

Apply now!

Apply here!