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Salary
≈ $44k – $75k per year (Estimated)
Location
In office (Paris)
Employment
Full-Time

First seen by Alion on Sep 14, 2026.

Overview
Company
Impact
Profile match
DCSIT, operating as DCS, is a French IT services company headquartered in Lyon that provides user support and service desk operations, infrastructure and data centre operations, cybersecurity consulting, data solutions and application project management for corporate and public sector clients. It has around 1,000 employees, holds ISO 27001 certification and runs service centres alongside consultants based at client sites in Lyon, Paris and other French cities. It hires support and proximity technicians, Windows and Linux system engineers, Oracle and SQL Server DBAs, DevOps and network engineers, cybersecurity project managers and IT business developers.

Environnements de production critiques – Plusieurs postesouverts

Nous recherchonsplusieurs DBA Confirmé(e)s / Senior(s) (H/F)pour intervenir sur l’administration, l’optimisation et le maintien encondition opérationnelle de bases de données au sein d’environnements critiqueset fortement sollicités.

Les missionscouvrent le RUN, l’optimisation, lagestion de la haute disponibilité, l’analyse de performance et la participationaux projets d’infrastructure.

Vos missions principales

Administration & MCO des bases de données

  • Assurer le maintien en condition opérationnelle des serveurs de bases de données.
  • Gérer des environnements complets : développement, recette, qualification, production.
  • Administrer des architectures multi-sites, incluant réplication et dispositifs anti-corruption.
  • Gérer les incidents N2/N3 liés aux moteurs SGBD et au code SQL.
  • Réaliser les maintenances préventives, corrections et évolutions nécessaires.

Optimisation & Performance

  • Optimiser les moteurs de bases de données (Oracle, SQL Server).
  • Optimiser le code SQL et les ressources associées.
  • Élaborer et analyser des rapports de performance.
  • Mettre en place des actions d’amélioration continue pour renforcer stabilité et performance.
  • Conduire le capacity planning et proposer les évolutions adéquates.

Gestion du changement & documentation

  • Analyser techniquement les demandes de changement.
  • Traiter les évolutions et les problématiques complexes.
  • Mettre à jour les référentiels de configuration.
  • Maintenir la documentation opérationnelle (schémas, modes opératoires…).

Participation aux projets d’infrastructure

  • Contribuer en tant qu’expert·e aux projets techniques et d’évolution du SI.
  • Préparer et réaliser les exercices de continuité et de disponibilité.
  • Accompagner les équipes techniques sur les sujets haute disponibilité et architecture.

Profil recherché

Compétences techniques recherchées

  • Oracle Database (12c / 19c)
  • RAC
  • Dataguard
  • Microsoft SQL Server

Souhaitables / valorisées

  • Exadata
  • PostgreSQL

Compétences essentielles

  • Diagnostic et résolution d’incidents N2/N3
  • Optimisation performance / tuning SQL
  • Architectures haute disponibilité
  • Capacité à documenter et structurer les environnements techniques

Soft Skills

  • Rigueur, autonomie et sens de l’analyse.
  • Capacité à travailler dans des environnements exigeants.
  • Bon relationnel, pédagogie et communication claire.
  • Réactivité et gestion du stress (environnements critiques).

Langues

  • Français courant (impératif)
  • Anglais professionnel (impératif)
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