{"id":3863017,"url":"https://alion.io/job/alten-programmeur-cobolprogrammeuse-cobol-senior","title":"Programmeur Cobol/Programmeuse Cobol Senior","company":{"id":52934,"name":"ALTEN","domain":"alten.com","url":"https://alion.io/company/alten-com","size_band":"5000+","is_staffing_agency":false,"employer_type":"staffing","is_intermediary":false,"listed_via":null,"ats_vendor":"SmartRecruiters","truth_index":{"grade":"B","score":76,"open_postings":91,"ghost_share":0,"stale_share":0.967,"repost_share":0,"time_to_fill_p50_days":27,"computed_at":"2026-11-08T05:47:12Z"}},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Boulogne-Billancourt, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":40000,"max":55000,"currency":"EUR","period":"year","gross":null,"usd_annual":61747},"salary_estimate":null,"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"COBOL","optional":false},{"name":"Db2","optional":false},{"name":"JCL","optional":false},{"name":"VSAM","optional":false}],"status":"live","first_seen_at":"2026-11-06T09:33:08Z","employer_posted_date":"2026-11-06","last_verified_at":"2026-11-08T09:06:34Z","board_verified":true,"closed_at":null,"days_open":2,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":2},"description":"Alten, la maison des ingénieurs, qui sommes-nous ?\nFort de plus de 35 ans d’expériences, le groupe Alten exerce dans plus de 30 pays. Cette couverture mondiale, nos 57 000 collaborateurs, composés de 88% d’ingénieurs, nous permettent d’être un groupe international et leader de son marché.\nSoucieux du bien-être de nos collaborateurs, cela nous a permis, cette année et pour la 12eme fois consécutive, d’être labellisé Top Employer. L’obtention de ce label s’appuie sur un audit de Top Employer Institute qui passe en revue un référentiel de 600 bonnes pratiques RH, garantissant le bien-être de chacun.\nPourquoi nous rejoindre ?\nUne démarche RSE forte :nos ingénieurs travaillent sur des projets qui contribuent à un avenir meilleur. Aussi, ALTEN Group est signataire et membre de plusieurs programmes en faveur de l’environnement (Planet Tech’Care, La Charte de l’ingénierie, Climate ambition accelerator)\nLes compétences de nos ingénieurs au cœur des préoccupations :la montée en compétences de chacun est optimisée, tout au long de votre parcours carrière.\nCulture d’entreprise élevée :Evènements fédérateurs, actions solidaires, webinaires innovation, challenges variés … Faites l’expérience d’un environnement stimulant où vous pourrez partager vos talents et vos passions.\nDescriptif du poste\nMaintenance et évolution de programmes COBOL sur Mainframe IBM (z/OS)\nAnalyse et correction d’anomalies sur des traitements batch ou online\nDéveloppement de nouveaux traitements batch avec JCL et COBOL\nRéalisation de requêtes et scripts sur bases DB2 / VSAM\nParticipation aux phases de recette et de tests utilisateurs\nAnalyse d’impacts lors de montées de version ou de refonte applicative\nRédaction de documentation 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