In 1975 she joined the Department of Music of the University of Calgary, where she continued to teach in 2005. She is also a professor at the Mount Royal College Conservatory, and has been a visiting teacher at the Royal Conservatory of Music's Glenn Gould School, the University of Toronto, Oberlin College Conservatory, Academie Franco-Americaine, and other institutes. Engle is a founding member of the Calgary chamber ensemble Aubade, and has adjudicated the Canadian Chopin and Eckhardt-Gramatté competitions. Her paper on Gladys Egbert was published in 1993. Her pupils include Lana Henchell and Michael Kim.
Author Stephen C. Willis, Betty Nygaard King
Engle, Marilyn. "Mrs. E.: A Personal Memoir," in Woman As Artist: Papers in Honour of Marsha Hanen, ed. Christine Sutherland and Beverly Rasporich (Calgary 1993)
Besides hockey and the maple leaf, there is little as symbolically Canadian as the CBC – the Canadian Broadcasting Corporation. It grew out of a developing nation's need to express its identity and find its voice.