Brigadier-General Barabé was commissioned as a Lieutenant in the Royal Regiment of Canadian Artillery in June 1976.
His operational experience began in June 1976, when he was posted to 5e Régiment d'artillerie légère du Canada at Valcartier, Québec. During his time with 5e Régiment, he accompanied the 3e Bataillon, Royal 22e Régiment to Cyprus. In June 1980, Brigadier-general Barabé was transferred to the 1st Regiment, Royal Canadian Horse Artillery, Lahr, Germany, where he filled various regimental appointments. In July 1985, he took command of 119th Air Defence Battery, Royal Canadian Artillery, located at Canadian Forces Base Chatham, New Brunswick. After a few years in staff positions, Brigadier-General Barabé returned to regimental duty in July 1990 when he took command of 4th Air Defence Regiment, Royal Canadian Artillery in Lahr, Germany. On 7 July 2000, he was appointed Commander 5e Groupe-brigade mécanisé du Canada.
His appointments as a staff officer began in July 1983 at Mobile Command Headquarters, where he served in various positions including Staff Officer to the Chief of Staff Operations. In 1988, he was posted to 1st Canadian Division Headquarters, Kingston, Ontario, as the Executive Assistant to the Commander. Promoted to the rank of Lieutenant-Colonel in June 1989, he was appointed Senior Staff Officer Language Training at Canadian Forces Training System Headquarters in Trenton, Ontario. In July 1992, he was transferred to National Defence Headquarters in Ottawa, where he served in various positions including Executive Assistant to the Vice-Chief of the Defense Staff. Following his promotion to the rank of colonel, on 9 June 1995, he assumes the appointments of Director Land Force Development, Director Force Concepts and Director Defence Analysis. Brigadier-General Barabé was promoted to his present rank on 1st July 2002. He served at NDHQ as Director general Joint Force Development until 3rd June 2005 when he was appointed Commander of Land Forces Quebec Area. On February 1st 2006 and in the spirit of transformational change of the Canadian Forces, he took command of Joint Task Force (East) under Canada Command.
Brigadier-General Barabé is a graduate of the Canadian Land Force Command and Staff Course in Kingston (July 1983), the Canadian Forces Command and Staff College in Toronto (1987-1988), the Advanced Military Studies Course (Fall 1999) and National Strategic Studies Course (June 2000). He holds a Bachelor degree in Political Sciences from the University of Ottawa.