Great article that describes the qualities that make up the successful employee. Not surprisingly, many of these traits/characteristics are within the muhsin (sincere believer/lover of God):

They’re willing to delay gratification.
They can tolerate conflict.
They focus.
They’re judiciously courageous.
They’re in control of their egos.
They’re never satisfied.
They recognize when things are broken and fix them.
They’re accountable.
They’re marketable.
They neutralize toxic people.