{"id":3711470,"url":"https://alion.io/job/in-extenso-assistant-administratif-et-comptable-hf","title":"Assistant administratif et comptable H/F","company":{"id":1893292,"name":"In Extenso","domain":"inextenso.fr","url":"https://alion.io/company/inextenso-fr","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Welcome to the Jungle","truth_index":null},"role":"Administrative","role_family":"Administrative","seniority":"junior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":null,"experience_years_min":2,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-11-03T23:00:21Z","employer_posted_date":"2026-11-03","last_verified_at":"2026-11-10T08:02:42Z","board_verified":true,"closed_at":null,"days_open":6,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":6},"description":"Rejoignez In Extenso, un leader de l'expertise comptable et du conseil. En tant qu'Assistant administratif et comptable, vous serez responsable de la gestion administrative et comptable d'un portefeuille de clients variés. Vous bénéficierez d'un parcours d'intégration, d'outils digitaux innovants, d'un parcours de formation et d'évolution, d'un équilibre vie pro/vie perso, d'avantages divers, d'un CSE, d'événements conviviaux et sportifs, et d'une certification Great Place To Work depuis 2021.\nMissions\nAssurer la gestion administrative des dossiers clients, de leur ouverture à leur mise à jour régulière.\nPréparer les lettres de mission et garantir le suivi des documents contractuels, collecter, contrôler et intégrer les pièces comptables.\nParticiper à la tenue des dossiers comptables, réaliser des travaux de saisie comptable et veiller à la qualité, à la conformité et à la complétude des dossiers.\nProfil recherché\nEt\nvous ?\nDiplômé(e) au minimum d’un BAC+2 (BTSGPME, BTS Comptabilité et Gestion, BUT GEA, ou équivalent),\n\nExpérience d’au moins 2 ans sur un postesimilaire, idéalement au sein d’un cabinet d’expertise comptable,\n\nMaîtriseindispensable de la saisie comptable et des opérations 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