Linfield FC announced the signing of 27 year old Achille Campion on loan from Cork City until the end of the season on January 2, 2018.
Achille, a strong forward player from Paris, signed for Sligo in August 2016 and scored on his debut in a 5–0 win over Wexford on August 5.
He signed for Cork in November 2016 helping them to win both the Premier Division title and the FAI Cup in 2017. On November 4, he came on as an extra time sub in the FAI Cup final at the Aviva Stadium and scored the decisive equalising goal in the 1-1 draw against Dundalk. Cork went on to win the FAI Cup on penalties and thereby clinch their first league and cup double.
Made his Linfield debut in a 5-0 Irish Cup home win against Glebe Rangers on January 6, 2018.
First goal in a 3-0 win away to Ards on February 24, 2018.
Returned to Cork City on the expiry of his loan deal after his final game as a sub in the 4-3 home defeat by Glentoran in the Europa League semi final play off game on May 9, 2018.