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CK Group is a Luxembourg company founded in 1946. Since its creation, CK has been active in two areas that have shaped the success of its founder: the professional office world and sports.

Through our brand CK | Office Technologies (150 employees) we offer the rental and sale of digital solutions for printing, scanning and the global management of your professional documents. We also offer a multitude of services to support you so that you can fully concentrate on your core business.

CK Fitness welcomes you in one of its 4 centers in Luxembourg: Bertrange, Esch-sur-Alzette, Junglinster and Mersch. CK Sportcenter welcomes tennis, squash, badminton and padel enthusiasts and professionals in one of the largest indoor sports complexes in the country.

In order to support the development of our activities, we are looking for for our fitness center based in Esch-sur-Alzette :


CDI – 40 h/week

Esch / CDI / Availability: ASAP



  • Sale of subscriptions
  • Analysis of needs and history
  • Development of individual training plans
  • Introduction of clients to weight training and endurance equipment as well as free weights and mobility training
  • Nutritional advice & complementary products
  • Accompanying and monitoring clients towards their goals
  • Motivation of clients in the practice of training
  • Group classes
  • Reception work as needed



  • Bachelor’s degree in Sports Science or equivalent
  • Passion for sports
  • Personal coaching experience
  • Excellent interpersonal and communication skills
  • Ability to listen
  • Flexibility
  • Enthusiasm and motivation
  • Team spirit
  • Languages: Luxembourgish or German required, French, English



If you wish to join a dynamic team and if your profile corresponds to our expectations, do not hesitate to send us your application in complete confidentiality.

Accepted files: JPG, PNG, DOC, DOCX, PDF. The size of each file should not be more than 5MB.

Accepted files: JPG, PNG, DOC, DOCX, PDF. The size of each file should not be more than 5MB.

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