“I have an office job.”

English Lesson: I have an office job.

You're at a party. Another guest tells you that he's a professional musician. He asks what you do. You work in an office, so you say this.

I have an office job.

Audio by native English speakers

an office job

When someone works in an office, you can say that they have "an office job":

Back when I was younger, working office jobs, I was miserable. Now I'm my own boss, I make my own hours, and I get to work outside. It's great!

The phrase "office job" sounds a little boring.

have a job

Use the phrase "have a job" to talk about someone who works for a company or another person:

Does he have a job?