It sounds like there's a lot of room for advancement once you're hired on as a staff auditor. It definitely sounds like it's good experience to have to start off an accounting career.
Also, as the article said, you can advance further once you get additional certifications. I'm sure many senior auditors probably started their careers as staff auditors and worked their way up once they got more experience and certifications.
And, if you work as a staff auditor and don't like it, I'm sure the position still looks good on a staff auditor resume, depending on what company you worked for.