{"id":2943269,"url":"https://alion.io/job/groupe-celad-architecte-solutions-tech-lead-modernisation-si-hf","title":"Architecte Solutions / Tech Lead – Modernisation SI (H/F)","company":{"id":3908314,"name":"Groupe CELAD","domain":"celad.com","url":"https://alion.io/company/celad-2","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"Solutions","role_family":"Solutions","seniority":"lead","employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Paris, France"],"countries":["FR"],"hiring_countries":[],"hiring_countries_total":0,"salary":{"min":53000,"max":63000,"currency":"EUR","period":"year","gross":null,"usd_annual":70758},"salary_estimate":null,"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Angular","optional":false},{"name":"Bitbucket","optional":false},{"name":"Confluence","optional":false},{"name":"Git","optional":false},{"name":"Hibernate","optional":false},{"name":"JavaScript","optional":false},{"name":"Jenkins","optional":false},{"name":"Jira","optional":false},{"name":"Maven","optional":false},{"name":"Rest API","optional":false},{"name":"SOAP","optional":false},{"name":"Spring Boot","optional":false},{"name":"SQL","optional":false},{"name":"z/OS Connect","optional":false},{"name":"COBOL","optional":true},{"name":"Java","optional":true},{"name":"TypeScript","optional":true}],"status":"live","first_seen_at":"2026-10-20T13:49:51Z","employer_posted_date":null,"last_verified_at":"2026-10-20T13:49:51Z","board_verified":false,"closed_at":null,"days_open":15,"trust":{"level":"not_scored","repost_count":null,"flags":[],"days_open":15},"description":"Envie d’un nouveau challenge dans le secteur bancaire ? CELAD vous attend ! 🚀\nNous poursuivons notre développement et recherchons un(e) Architecte Solutions / Tech Lead pour intervenir chez un client du secteur bancaire, au sein d’une DSI spécialisée dans les activités de conservation de titres et de gestion des parts sociales.\n🎯 Votre mission : moderniser un système d’information stratégique\nAu sein d’une équipe dédiée aux opérations clients, vous accompagnerez la modernisation du SI, avec un premier chantier majeur : l’exposition des services Mainframe sous forme d’API.\nVos principales missions :\nConcevoir et faire évoluer les architectures applicatives en cohérence avec les normes techniques et les exigences de sécurité du groupe.\n\nPiloter le projet d’APIsation du Mainframe, notamment l’implémentation d’IBM z/OS Connect et la migration des services existants vers des API.\n\nDéfinir et mettre en œuvre les règles de sécurité et d’authentification des échanges.\n\nAccompagner les projets Web, les évolutions techniques et les 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