Kerja Sepenuh Masa OpenShift Engineer (L1 Support), Gaji tinggi SGD 4,500 di IDC TECHNOLOGIES (SINGAPORE) PTE. LTD. Central Region (Singapore) - Maukerja

ProvideL1 operational support for Red Hat OpenShift / Kubernetes platforms.
Perform daily health checks on OpenShift clusters, nodes, pods, operators, routes, storage, and platform services.

Monitor cluster availability, resource usage, alerts, and workload status using Prometheus, Grafana, Alert manager, ELK, Splunk, or equivalent tools.

Perform first-level troubleshooting for common platform issues, including:

• Pod failures
• CrashLoop BackOff
• Image pull errors
• Node resource pressure
• Route / ingress access issues
• DNS-related issues
• Persistent volume mount issues
• Certificate expiry alerts
• Basic authentication or access issues
• Support routine platform operations such as:
• User and group access requests
• Namespace / project checks
• Pod restarts and rollout validation
• Log collection
• Basic YAML review
• Alert validation
• Evidence collection for incidents and changes
• Escalate complex issues to L2/L3 platform teams with clear initial findings, logs, timestamps, affected components, and business impact.
• Support planned changes, maintenance windows, patching activities, upgrades, and deployment validations under guidance from senior engineers.
• Work with application, DevOps, infrastructure, network, security, and vendor teams to coordinate issue resolution.
• Maintain operational documentation, SOPs, runbooks, shift handover notes, and knowledge base articles.
• Follow enterprise incident, problem, change, and service request processes.
• Participate in shift-based support, standby, or rostered operations where required.
• Required Skills & Experience
• 2to 4 years of hands-on experience in infrastructure, Linux, Kubernetes, orOpenShift platform operations.
• Hands-on working knowledge of Red Hat OpenShift or Kubernetes operations.
• Basic Linux system administration and command-line troubleshooting skills.
• Understanding of container concepts using Docker, CRI-O, or containerd.
• Familiarity with Kubernetes/OpenShift core objects, including:
• Pods
• Deployments
• ReplicaSets
• Services
• Routes / Ingress
• ConfigMaps
• Secrets
• PersistentVolumeClaims
• Namespaces / Projects
• Nodes

• Basic OpenShift CLI and Kubernetes CLI usage, including oc and kubectl. Ability to read and understand YAML manifests. Basic troubleshooting experience using commands such as:

  oc get, oc describe, oc logs,oc events,oc adm top,oc rollout status,oc get nodes,oc get co

  Basic understanding of OpenShift cluster components such as:

  Control plane

  Worker nodes

  Operators

  Router / ingress

  Registry

  Monitoring stack

  Familiarity with monitoring and alert handling using Prometheus, Grafana, Alertmanager, ELK, Splunk, or similar tools.

  Basic networking knowledge, including DNS, IP addressing, load balancers, HTTP/HTTPS, TLS certificates, routes/ingress, and firewall concepts.

  Basic storage knowledge, including Persistent Volumes, Persistent Volume Claims, Storage Class, NFS, block storage, or object storage.

  Experience in production support, operations, incident handling, or daily system health checks.

  Ability to collect logs, evidence, and initial findings for escalation.

  Basic scripting ability using Shell or Python is advantageous.

  Strong troubleshooting, analytical, and communication skills.

  Preferred Qualifications

  Experiencesupporting OpenShift in enterprise, banking, telecom, government, or regulatedenvironments.

  Exposure to Red Hat OpenShift 4.x.

  Exposure to VMware, bare metal, or cloud-hosted OpenShift environments.

  Basic understanding of AWS, Azure, or GCP infrastructure.

  Exposure to CI/CD tools such as Jenkins, GitLab CI, Argo CD, or Tekton.

  Familiarity with GitOps concepts.

  Basic understanding of certificates, secrets, image registries, and container image scanning.

  Practical experience with ITIL processes such as incident, problem, change, and service request management.

  Red Hat certification such as RHCSA, EX180, EX280, or equivalent is an advantage.