Sr. Supervisor, Systems Administration - Open Shift Orange

Manage and support the OpenShift platform to ensure high availability, scalability, and performance for business-critical applications. Work closely with Development, Middleware, Security, and Infrastructure teams to design, implement, and maintain containerized environments.

Duties and responsibilities

• Install, configure, and upgrade Red Hat OpenShift clusters (on-premises and/or cloud).
• Manage cluster operations, including worker nodes, control plane, networking, and storage integration.
• Implement and manage CI/CD pipelines within OpenShift.
• Monitor cluster health, performance, and capacity; troubleshoot issues and outages.
• Apply security best practices, role-based access control (RBAC), and compliance policies.
• Manage OpenShift operators, projects, namespaces, and resources.
• Ensure integration with monitoring, logging, and alerting tools.
• Perform regular system upgrades, patches, and lifecycle management.
• Support development teams with application deployment and container optimization.
• Develop expertise to train staff on OpenShift and containerization technologies.

Job specification

Education and Experience

Experience and Skills:

• 46 years of experience in IT infrastructure, with at least 23 years focused on container platforms (OpenShift / Kubernetes).
• Proven experience as an OpenShift Administrator or Kubernetes Administrator.
• Strong understanding of Linux/UNIX system administration.
• Hands-on experience with containerization and orchestration technologies (Docker, Kubernetes, OpenShift).
• Familiarity with CI/CD tools (Jenkins, GitLab CI, Tekton, ArgoCD).
• Knowledge of networking, storage, and security in container environments.
• Experience with monitoring/logging tools (Prometheus, Grafana, ELK, Splunk).
• Knowledge of system security, vulnerability management, and backup/recovery.
• Resourcefulness and problem-solving aptitude.
• Excellent communication and teamwork skills.