In 1661 Charles II of England invited Roettiers and his brother Joseph (and subsequently a third brother Philip) to join the British Royal Mint, and by 1662 Roettiers was one of the mint's chief engravers.
In 1661 Charles II of England extended an invitation to Roettiers and his two brothers for them to be part of the British Royal Mint's team. By 1662, Roettiers had become a prominent figure in the mint's engraving department.