Crossword puzzle clue "low level employee"

According to Flo Rida, one who got low, low, low, low, low, low, low, low

Low-level pollution or high-level protection

Low-level law firm employee

Low-level employee

Warning sign at a train station's food court? (NOTE: The original sign, without my additions, actually exists. It's in Grand Central Terminal in NYC, on the lower level — the food court level. The sig

Class, level or class level

Management level or theater level

High-level employee, for short