During Grant's career he filled many staff positions, such as Chief of Staff, Land Force Western Area and participated in two tours at National Defence Headquarters with the Joint Operations Directorate. Grant was actively involved in planning Canada's contribution to the "Campaign Against Terrorism" which included the first deployment of the Canadian Forces in Afghanistan.
Grant was in command of numerous Canadian Forces units throughout his career, ranging from a single troop to the brigade level in both Canada and in Germany (with NATO). He served as an exchange officer at the Royal Australian Armour Centre.
As commanding officer of Lord Strathcona's Horse (Royal Canadians), he was deployed with his battle group to Bosnia in 1997 with NATO's SFOR. Later, he returned to Bosnia to command the Canadian Forces contingent. Grant was in command of the 1 Canadian Mechanized Brigade Group from 2003 until 2005, which included a deployment to Kabul as part of the International Security Assistance Force and the first Canadian-led Provincial Reconstruction Team to Kandahar.
From November 2006 until August 2007, holding the rank of brigadier general, Grant was in command of all Canadian Forces in Afghanistan. Grant was promoted to major general after he finished his tour in Afghanistan and took the position of Deputy Commander Canadian Expeditionary Force Command in October 2007. He retired from the Canadian Armed Forces in August 2008, immediately joining the civil service of the Government of Alberta, and as of 2023 has been a deputy minister in various ministries since October 2011.[1]
