I'm applying for an open teaching position.

我来应征教师啊。

He wanted to know if I knew of any open teaching positions for his friend named Maggie. Do you know her?

他问我知不知道啥地方有老师空缺能让他朋友麦琪补缺 你认识她吗？

When I worked at the university, every year usually we would have a hiring committee, a group of people who would decide how to fill the open teaching positions we had, and we would have different candidates that we would interview.

当我在大学工作时， 通常每年我们都会有一个招聘委员会，一群人来决定如何填补我们的空缺教师职位， 我们会有不同的候选人进行面试。