Jackson taught at the music faculties of Concordia University[6] and McGill University. He was Dean of the Faculty of Fine Arts at Concordia University from 1994 to 2005. He also held the post of organist and choirmaster at a variety of churches in Montreal, including Eglise Tres-Saint-Nom de Jesus, and St. George's Anglican Church.[4]
Jackson received an honorary doctorate from the University of Sudbury in 1999 and was inducted as a member of the Royal Society of Canada in 2009.
In 2011 Jackson conducted the Studio de musique ancienne for the recording of an album, Musica Vaticana.[7]
Jackson died of lung cancer on September 25, 2015 in Montreal, aged 67.[8][9]
Giacomo Carissimi : Jonas, Jephté. Marc-Antoine Charpentier : le Reniement de Saint Pierre H.424. CD Analekta 1994
André Campra, Henry Dumont : Le Chant de la Jérusalem des terres froides. CD K617 1995 (reissue Montréal et Indiens Abenakis 2001, Musique sacrée en Nouvelle-France ACD22764 2017)
Marc-Antoine Charpentier : Messe à quatre chœurs H.4, 3 Psaumes des Ténèbres, H.228, H.229, H.230, Ensemble Stradivaria, Studio de Musique ancienne de Montréal. CD Atma 2005