The Containerization & Virtualization Engineer is responsible for operating, securing, maintaining, and evolving the client 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.
Duties and responsibilities
OpenShift Container Platform Operations
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
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).
Fluent in English & good level in French
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, CISO and architecture teams.
Our offer
An attractive salary package with or without a company car
5 additional vacation days each year
A dedicated training program with personal development plans
Extra-legal advantages (IT material, banks, ...)
Regular events with the CTG team : learning lunchs, team buildings, fun events, Xmas, Marathons, ...
Are you ready to become part of a dynamic team with a clear focus on growth and excellence? Apply now and take the first step towards a fulfilling career with CTG IT Solutions.
Please note that a criminal record check will be required for this position.