Complex sentence: Lapointe returned to his former employment as director of educational services at the Commission scolaire Henri-Bourassa in 1979 and remained in that position until 1982, when he was hired in the same position at the Commission scolaire Pierre-Neveu.
Split into simpler sentences: Lapointe returned to his former employment as director of educational services at the Commission scolaire Henri-Bourassa in 1979. He remained there until 1982, when he was hired for the same position at the Commission scolaire Pierre-Neveu.