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Cronos Europa

Containerization & Virtualization Engineer

Cronos Europa
Luxembourg · Full-time · Entry
The Containerization & Virtualization Engineer is responsible for operating, securing, maintaining, and evolving container and Virtualization platforms. This includes Red Hat OpenShift infrastructure (bare-metal and virtualized deployments) and VMware vSphere clusters, Nutanix environments.

The engineer ensures a resilient, scalable, compliant, and observable hybrid platform enabling mission-critical workloads across the institution.

Responsibilities

  • OpenShift Node & cluster management:
    • Integrate new worker nodes (bare-metal or virtual machines)
    • Prepare system configuration, network parameters, and cluster join workflows; Ensure observability, monitoring, and backup integration for new workers
    • Replace failed worker or control-plane nodes (fault tolerance)
    • Perform patching, upgrades, and lifecycle operations on OpenShift clusters
  • Management of OpenShift internal services:
    • Manage integration with enterprise Storage systems (e.g., Trident NFS)
    • Manage integration with external logging systems (Elastic, Pulse)
    • Maintain platform authentication & authorization (Active Directory, RBAC)
    • Configure operators and essential components: Trident (NFS Storage), Oadp (backup & restore), Kyverno (policies), Trivy (image security scanning), Elastic agents
    • Maintain cluster registry, image policies, and governance rules
    • Create and modify OpenShift Projects (namespaces) on request
  • Monitoring & alerting:
    • Monitor platform logs and events
    • Configure and manage alerting rules
    • Maintain and enhance platform observability stacks
  • TLS & Security management:
    • Manage and renew TLS certificates across OpenShift components
    • Integrate AD authentication
    • Deploy EP TLS certificates and ensure secure communications.
  • Infrastructure extensions:
    • Add infrastructure nodes (Infra nodes) for dedicated workloads (logging, monitoring...)
    • Configure Log Forwarding to Pulse and Elastic
  • Cluster deployment:
    • Prepare VM, network, Hardware, and Firewall requirements for cluster installation
    • Adapt and maintain installation playbooks and deployment scripts
    • Collaborate with SAN and network teams during ongoing evolution studies (virtual LUNS, synchronous replication, metro clustering)
    • VMware & Nutanix Virtualization Platforms
    • Operate, maintain, and optimize VMware vSphere clusters across LAN, Idmz, and Edmz
    • Manage Nutanix clusters and associated hypervisors
    • Conduct lifecycle operations: patching, upgrades, hotfixes, obsolescence handling
    • Manage vCenter, ESXi hosts, vSAN clusters, and SRM/DR architectures
    • Implement automation via PowerCLI and vRealize Orchestrator workflows
    • Ensure observability and capacity planning via Aria Operations
    • Support and implement Disaster Recovery using SRM and Metro Availability
    • Collaborate with SAN and network teams (replication, metro clusters, virtual LUNS)
Qualifications

  • 4+ years of experience in container platform engineering and infrastructure operations.
  • Strong hands-on experience with Red Hat OpenShift in production environments (cluster operations, node lifecycle, Operators, Storage integration, security configuration, logging & monitoring).
  • Experience deploying and maintaining Operators, including Storage (Trident), backup (Oadp), policy engines (Kyverno), and security scanners (Trivy).
  • Expertise in CI/CD, automation, and Infrastructure-as-Code (Ansible, GitOps workflows, YAML, scripting, pipelines).
  • Good knowledge of observability and logging ecosystems (Elastic, OpenShift Monitoring).
  • Experience with TLS certificate management, AD/OAuth integration, and security best practices for Kubernetes platforms.
  • Competence in handling platform lifecycle operations: patching, upgrades, backups, certificate renewal, disaster recovery concepts.
  • Working knowledge of VMware vSphere and Nutanix Virtualization platforms (secondary skillset supporting the underlying infrastructure).
  • Hands-on experiences with infrastructure automatization.

Key Competencies

  • Containerization: Red Hat OpenShift (Operators, Nodes, OAuth, Storage, Logging)
  • Virtualization: VMware vSphere, Nutanix Ahv
  • Automation: PowerCLI, Ansible, Orchestrator workflows
  • Monitoring & Observability: Aria Operations, OpenShift Monitoring
  • Security & Compliance: Kyverno, Trivy, TLS lifecycle, AD integration
  • Operational Excellence: lifecycle management, incident response, DR readiness
  • Collaboration: Work with Storage, network, Dev, Security Governance and architecture teams

Why cronos group?

We'll Propose You

  • An attractive salary package
  • A good work-life balance environment
  • The assurance of working in cutting-edge technologies in an entrepreneurial spirit.
  • The opportunity to develop your skills thanks to tailor-made training courses according to your needs
  • A good job in a friendly place

If you wish to integrate a dynamic structure on a human scale while working with the latest technologies, don't wait anymore and join Cronos!

Key Skills

Ranked by relevance

storage nutanix virtualization vsphere vmware ansible san incident response active directory containerization fault tolerance kubernetes firewall vcenter oauth vsan cicd esxi lan vm
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Country Guide

Luxembourg

High-value international enterprise and fintech hub

Posted
Jan 20, 2026
Type
Full-time
Level
Entry
Location
Luxembourg
Company
Cronos Europa

Industries

Professional Services

Categories

Engineering Information Technology

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