Viento's joint venture group KVG has won the Rio Tinto Below Water Table road maintenance contract.
The contract, which also includes miscellaneous works, is worth around $5 million.
It is part of Rio Tinto's wider expansion of the project, and will see the company provide access road maintenance grading,irrigation pivot clearing ,and road construction.
The KVG joint venture is an operation between Vieto and Indigenous company Koodaideeri, which is run by the Banyjima and Kariyarra people of the central Pilbara.