in-house NEET; employee with no real work
Slang term for a person who is on the payroll but has little or no actual work to do, often spending time idly at the office. Derived from NEET (Not in Education, Employment, or Training) but applied to employed individuals.
See also: ニート
He's an in-house NEET, surfing the internet at his desk every day.
To avoid becoming an in-house NEET, it's important to look for work on your own.