Born in Liverpool, Brammeier was selected to ride the 2003 UCI Track Cycling World Championships and represented Wales at the 2006 Commonwealth Games.

Brammeier rode for DFL-Cyclingnews-Litespeed in 2006 and signed for Profel Ziegler Continental Team for the 2007 season.

Brammeier was involved in an accident in November 2007, when he was struck by a cement mixing lorry whilst training.

[6] He declared Irish nationality in advance of the 2009–10 track season and made a successful debut when finishing 4th in the scratch race at the Manchester World Cup meeting in October '09.

[7][8] In June 2018 Brammeier announced his retirement from competition and his appointment to the position of lead academy coach to British Cycling's men's endurance programme from August of that year, with additional responsibility for the men's elite road team in international competition, taking over the latter from Rod Ellingworth.