Jonathan Joubert (born 12 September 1979) is a former professional footballer who played goalkeeper. Born in France, he played for the Luxembourg national team.

Club career The French-born Joubert started his career at the reserves of local side Metz before joining CS Grevenmacher for the 1999–2000 season. With them, he won the club's first domestic league and cup title in 2003, subsequently achieving the double.

In 2004, he left Grevenmacher for Dudelange, where he ended up winning eleven league and five cup titles.

International career Joubert made his debut for Luxembourg in a June 2006 friendly match against Portugal and by October 2017 had earned 90 caps, scoring no goals.

On 3 September 2017, Luxembourg held Joubert's native France to a 0–0 draw, with Joubert himself pulling off a string of saves to keep a clean sheet.Record at FIFA Tournaments – FIFA Joubert's performance was later praised by French manager Didier Deschamps.

Coaching career After retiring at the end of the 2022–23 season,Jonathan Joubert, le départ d’un géant, mental.lu, 14 June 2023 Joubert was appointed goalkeeper coach at F91 Dudelange under manager Jamath Shoffner.📄𝗡𝗘𝗪 𝗦𝗧𝗔𝗙𝗙 - 𝗡𝗘𝗪 𝗙𝟵𝟭, facebook.com, 12 June 2023 In January 2024, Joubert was instead appointed as assistant coach, as the previous assistant, Claudio Lombardelli, had just been announced as the club's new manager.[Football F91 : Claudio Lombardelli promu coach principal], lequotidien.lu, 11 January 2024

Ahead of the 2024–25 season, Joubert became assistant coach again, following the appointment of manager Marco Martino.Marco Martino prend les rênes du F91, mental.lu, 4 June 2025Staff 2024/25 - pos, f91.lu, 4 June 2024

Honours Luxembourg National Division: 12 2003, 2005, 2006, 2007, 2008, 2009, 2011, 2012, 2014, 2016, 2017,2018

Luxembourg Cup: 6 2003, 2006, 2007, 2009, 2012, 2017

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