L2 – Red Hat OpenShift Administrator

S2Integrators · Mumbai, India

Job Overview: Support, operate, and maintain Red Hat OpenShift (OCP 4.x) clusters in production and non-production: day-to-day administration, incident management, application support, monitoring, and coordination with L3, DevOps, and application teams.

Key Responsibilities:

• Day-to-day OCP 4.x administration; RBAC, users, projects/namespaces.
• Manage pods, services, routes, PVCs, ConfigMaps, Secrets; deployments via YAML/Helm.
• L2 support: pod failures, image pull errors, CrashLoopBackOff, node issues; log analysis via oc/cluster logging.
• Cluster health, node status, resource utilization; scaling (HPA/manual), rolling updates.
• Cluster upgrades and patching under L3 guidance; registry and runtime operations.
• RBAC/ServiceAccounts/SCCs, Secrets, TLS certificates, namespace isolation.
• CI/CD support (Jenkins, GitLab, Argo CD); Prometheus/Grafana/Alertmanager monitoring and RCA.
• SOPs, runbooks, on-call and shift rotation participation.
• Prepare operational reports, capacity/utilization inputs and service metrics.
• Ensure SLA compliance, audit readiness and RBI/security policy adherence.
• Maintain SOPs, runbooks, KB articles and operational documentation.
• Coordinate with OEMs/vendors and internal teams for issue resolution.
• Support DR drills, patching, vulnerability remediation and preventive maintenance.
• Participate in RCA preparation for Priority incidents.
• Follow Incident, Problem, Change and Service Request Management processes.

Technical Skills: OCP 4.x, Kubernetes (Deployments/Services/Routes/Ingress, ConfigMaps/Secrets/PVCs), Linux, oc CLI, YAML, container troubleshooting; Ansible/Shell basics.

Certifications: Preferred: Red Hat EX280. Coverage Model: 24×7 shifts (3-FTE roster).