{"id":2007582,"url":"https://alion.io/job/esenca-expert-infrastructure-virtualisation-devops","title":"Expert Infrastructure Virtualisation / DevOps","company":{"id":3909441,"name":"Esenca","domain":"esenca.fr","url":"https://alion.io/company/esenca-3","size_band":null,"is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":null,"truth_index":null},"role":"DevOps","role_family":"DevOps","seniority":"senior","employment_type":"freelance","work_mode":"hybrid","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Lille, 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le cadre de projets majeurs de transformation et de modernisation des infrastructures, nous recherchons un Expert Infrastructure N3 capable d’intervenir sur des environnements hybrides complexes.\nLe profil recherché devra disposer d’une expertise avancée des systèmes Linux, d’une solide maîtrise de la virtualisation et d’une forte culture DevOps / Software Engineering autour de l’automatisation, de l’IaC et de la CI/CD.\nLa mission s’inscrit notamment dans un contexte de migration d’infrastructures On-Premise vers Google Cloud Platform (GCP) ainsi que de maintien en condition opérationnelle de plateformes critiques et hétérogènes.\nUne expérience significative en expertise technique N3 est indispensable.\nMissionsIngénierie & expertise techniqueRéaliser des études d’évolution sur les infrastructures Linux, Windows, KVM et hardware\n\nConcevoir et valider les architectures et standards techniques\n\nGarantir la cohérence entre les environnements On-Premise et Cloud\n\nParticiper aux projets de transformation et de modernisation des infrastructures\n\nAutomatisation & industrialisationDévelopper et maintenir les outils d’automatisation avec Python, Bash et Ansible\n\nMettre en œuvre les pratiques DevOps et Infrastructure as Code\n\nDévelopper et maintenir les chaînes CI/CD\n\nUtiliser Terraform et les approches GitOps\n\nGarantir la qualité, le versioning et la documentation du code d’infrastructure\n\nSupport & expertise N3Intervenir en escalade N3 sur les incidents critiques et complexes\n\nDiagnostiquer les problématiques liées aux OS, hyperviseurs et infrastructures hardware\n\nRéaliser les analyses de causes racines (RCA)\n\nDéfinir et mettre en œuvre des plans de remédiation durables\n\nParticiper au maintien en condition de sécurité et à la conformité des infrastructures\n\nAmélioration continueIdentifier les optimisations de performance, de fiabilité et de coûts\n\nContribuer à l’évolution des standards techniques\n\nAssurer une veille technologique sur les infrastructures, le Cloud et les pratiques DevOps\n\nEnvironnement techniqueIndispensableLinux : Debian, RHEL / CentOS\n\nWindows Server\n\nVirtualisation : VMware vSphere, KVM\n\nHardware : serveurs physiques et stockage\n\nAutomatisation / IaC : Ansible, Terraform\n\nGit\n\nCI/CD\n\nCulture Cloud Native\n\nEnvironnement appréciéGCP\n\nZerto / solutions de PRA\n\nNetApp\n\nPrometheus / Grafana\n\nELK\n\nProfil recherché\nVous disposez d’une expérience confirmée en infrastructure, avec un véritable niveau d’expertise N3 et une expérience significative en environnement de production critique.\nVous êtes capable d’intervenir aussi bien sur des problématiques d’architecture et d’ingénierie que sur des incidents complexes nécessitant une analyse approfondie.\nVous êtes reconnu pour votre :\nRigueur technique et capacité de troubleshooting\n\nAutonomie et proactivité\n\nCapacité à industrialiser et automatiser\n\nPédagogie et capacité à transmettre votre expertise\n\nSens du service et fiabilité\n\nInformations pratiquesLocalisation : Métropole lilloise\n\nTélétravail : 3 jours par semaine\n\nContexte : Migration Cloud, modernisation Datacenter, environnement Agile\n\nAstreintes : environ 13 semaines par an\n\nEnvironnement : infrastructures de production critiques\n\nUne expérience concrète des environnements de production critiques est indispensable, notamment pour assurer les périodes d’astreinte.","description_format":"text","description_chars":3342,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":null,"security_clearance":false,"languages":[]},"benefits":[],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":[],"lifecycle":[{"event":"open","at":"2026-10-07T12:33:56Z"}],"visa":[],"liveness":{"score":78,"band":"hot","label":"Hiring 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