请问我想用英语说：“我曾在一家教育培训机构担任教务一职” 怎么说？

Question

educational administration 这个词能用于这句话吗？
还有，教务的工作是不带课，只做文案工作的
应该不能用带有老师之类的形容吧

Answer 1

I once worked in a education training institutions as a academic dean.

Answer 2

I used to work as a tutor in a training institution.

Answer 3

I worked in a Senate education and training institutions as the post

Answer 4

I once educated the training organization in one to hold the post of an educational administration duty