position - post - job
‘position’ and ‘post’
Someone's job can be referred to in formal English as their position or post. When advertising or applying for a job, you usually use position or post.
We are looking for someone to fill a senior management position.
I am writing to apply for the post of clerical assistant.
In conversation, don't use ‘position’ or ‘post’. Use job.
He's afraid of losing his job.
She's got a really interesting job.