As a recruitment manager, do you think that employees who don't stay in one company and likes to move and get better are not loyal ? or?

No this is not a matter of loyalty, but a matter of vision, these employees are pretty smart and know very well the utility to change company to cope with the monotony, boredom, repetition and to discover new horizons.

These employees have a sens of planning because they plan their careers based on future prospects.

They want to acquire new experiences and develop new skills.

They want to enrich their CV with new specialties and achieve more success.

The welfare of the employee in the company plays a considerable role in its performance and its efficiency.

The question of loyalty lies on the ethical standards and issues of both visions for employees and the employer's, then the responsibility and the economic standing

Employees do not automatically owe any loyalty to their employer.  Loyalty is a two-way street, and as the dominant partner in the power relationship it is the employer's duty to show loyalty first.

In other words, unless an employer actively shows loyalty to employees (by offering fair salary, good working conditions, proper training, prospects for career development, bonuses in good times, etc.) then the employees actively have a duty (to themselves and to society) not to be loyal.

 

Moving each 1 or 2 years can mean many things and not getting better.

Most of the times, you need 1 year to adapt to the new company policies, employees, software, processes, products...

Moving every 3 years or + can have a better loyalty and experience at the same time.