If it is a proffesional Job Position, then dress accordingly.
Either Charcoal or Gray. Maybe a Tan/Beige.
No throat revealing or deep cuts. Wear a tie, of casual Nature or a Blouse with a High Neck cut.
Jewelry, subtle, plain string of pearls. Casual dressy shoes to go with your ensamble.
No Spiked Heels!

No Push Up Bras!
Good Luck!