{"id":2007276,"url":"https://alion.io/job/w-executive-expert-mainframe-et-dba","title":"Expert Mainframe et DBA","company":{"id":3908440,"name":"W Executive","domain":"wexecutive.com","url":"https://alion.io/company/w-executive","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Enterprise Apps","role_family":"Enterprise Apps","seniority":"senior","employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Saint-Denis, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":400,"max":700,"currency":"EUR","period":"day","gross":null,"usd_annual":197000},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"closed","first_seen_at":"2026-10-04T22:45:09Z","employer_posted_date":null,"last_verified_at":"2026-10-23T23:56:00Z","board_verified":false,"closed_at":"2026-10-23T23:56:00Z","days_open":19,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":19},"description":"CONTEXTE :\nDans le cadre de l'exploitation et de l'évolution d'un environnement informatique centralisé, la mission vise à renforcer les équipes en charge des infrastructures critiques.\n\nPrincipales responsabilités\nAdministration et maintien en conditions opérationnelles des environnements techniques.\n\nGestion des incidents de production de niveau 2/3 et participation aux cellules de crise.\n\nAnalyse des performances et identification des axes d'optimisation.\n\nContribution aux opérations de maintenance, de mise à jour et de migration technique.\n\nParticipation aux projets d'évolution des infrastructures.\n\nDiagnostic des incidents complexes et support aux équipes applicatives.\n\nProduction et mise à jour de la documentation d'exploitation.\n\nContribution aux démarches d'amélioration continue, d'automatisation et de standardisation.\n\nInteractions régulières avec\nLes équipes d'exploitation et de production.\n\nLes équipes projets.\n\nLes centres de services.\n\nLes équipes d'architecture et d'expertise technique.\n\nProfil recherché\nCompétences indispensables\n\nExpérience significative dans l'administration ou l'exploitation d'environnements informatiques critiques.\n\nMaîtrise d'outils de gestion de bases de données, de supervision, d'ordonnancement et de transfert de fichiers.\n\nExpérience des environnements transactionnels et des systèmes de gestion des accès et des habilitations.\n\nAnglais professionnel (écrit et oral) niveau B2 minimum.\n\nFrançais courant.\n\nExcellentes capacités relationnelles et rédactionnelles.\n\nSens du service, réactivité et autonomie.\n\nCapacité à travailler en équipe et à s'adapter à des environnements complexes.\n\nForte capacité d'analyse et de résolution de problèmes.\n\nDisponibilité pour intervenir sur des plages horaires étendues, avec participation aux astreintes et interventions exceptionnelles de nuit ou le 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