No, you cannot jump from any height. The vibranium would have to nullify all kinetic energy.
You could however jump from a greater height. From the wiki, if the source is correct, it only reduces it the amount of kinetic energy by absorbing it. The amount higher depending on how much is absorbed.
Quote from the Wiki -
"A different variety of Vibranium found in Wakanda absorbs soundwaves and other vibrations, including kinetic energy."
Second quote from the Wiki -
"The Wakandan isotope possesses the ability to absorb all vibrations in the vicinity as well as kinetic energy directed at it. The energy absorbed is stored within the bonds between the molecules that make up the substance. As a result, the more energy vibranium absorbs the tougher it becomes. There are limits to the capacity of the energy that can be stored, although the exact limitations are not yet known."
- From above - "kinetic energy directed at it" - Make sure you land on them feet.