"I have a great job."
Translation:Yo tengo un gran trabajo.
after some research I found this on spanishdict.com (for anyone else struggling)
Some adjectives can mean different things depending on their placement.
When placed after the noun, the adjective has a fairly objective, descriptive meaning.
When placed before the noun, the adjective has a more subjective meaning.
Check out these examples of meaning-change adjectives.
Gabriel García Márquez es un gran autor - Gabriel García Márquez is a great author Yo tengo una casa grande - I have a big house.
Pablo es mi viejo amigo - Pablo is my long-time friend. Juanita es mi amiga vieja - Juanita is my elderly friend.