Shiel was previously enrolled in the BT SportScottish Rugby Academy as a Stage 3 player. Stage 3 players are aligned to a professional club and given regional support. In 2016, 2016-17, Shiel first became a Stage 3 player assigned to Edinburgh Rugby Shiel remains a Stage 3 player for the 2017-18 season still assigned to Edinburgh Rugby. However Shiel has turned out for Glasgow Warriors in their 2017-18 pre-season match against Northampton Saints.