Во время обучения в магистратуре, я

Во время обучения в магистратуре, я работала в качестве инженера

Результаты (английский) 1:

During the training in Magistracy, I worked as an engineer

Результаты (английский) 2:

During the master degree, I worked as an engineer

Результаты (английский) 3:

During the training, master's degree, I worked as a field engineer