It was an amicable process that was not labor intensive. As long as the professor likes you, you'll do fine all in all. Doing well in the class previously helps of course.
Solicité el puesto a través de la escuela superior o la universidad. Acudí a una entrevista en Lehigh University (Bethlehem, PA) en ago 2016
Entrevista
I was enrolled as a graduate student in the Department of Mathematics and I was designated as a grader in the first year. Since my grade was good and I had a good work on my grader position, I was able to be designated as a teaching assistant in my second year.
Envié una solicitud electrónica. El proceso duró más de 1 semana. Acudí a una entrevista en Lehigh University (Bethlehem, PA) en dic 2021
Entrevista
You need to provide a trial lecture and it's about 15-20 mins. You can pick a related topic and prepare for it in advance. It's a online presentation. And you can prepare slides for it.