Support Engineer (Kubernetes) (Singapore, Singapore)

Singtel; Singapore; On-site; Confidential; Full time

Job summary

Singtel is seeking an experienced Platform Build & Engineering professional in Singapore to design, deploy, and manage Kubernetes clusters both on‑premises and in the cloud. You will implement OpenShift or managed Kubernetes, define cluster architecture and networking, and automate provisioning with Terraform/Ansible.

Responsibilities include cluster administration, upgrades, monitoring, and incident response, with a focus on observability using Prometheus, Grafana, and ELK.

Qualifications

• Must have 3–5 years of hands-on Kubernetes architecture and operations experience.
• Strong virtualization, container platforms, and private/public cloud exposure.
• Experience with monitoring, performance management, and capacity planning for infrastructure.
• Solid incident management skills including root-cause analysis and permanent corrective actions.

Responsibilities

• Design, deploy, and configure Kubernetes clusters on‑prem and cloud.
• Implement container platforms using OpenShift or managed Kubernetes (EKS/AKS/GKE).
• Define cluster architecture, networking (CNI), ingress/egress, and storage integration.
• Automate infrastructure provisioning using IaC tools (Terraform, Ansible).
• Build reusable templates/golden images for clusters and implement GitOps pipelines.
• Perform cluster administration, monitoring, upgrades, and lifecycle management.
• Ensure platform availability, resiliency, and backup/recovery readiness.
• Implement monitoring, logging, alerting (Prometheus, Grafana, ELK) and tie to enterprise systems.

Skills

Kubernetes architecture

Kubernetes operations

OpenShift

Cloud platforms (public/private)

IaC (Terraform/Ansible)

Monitoring & performance

Incident management

Education

Diploma/ Bachelor’s degree in Computer Science/IT/Engineering

Tools

Terraform

Ansible

Prometheus

Grafana

ELK

Job description

An empowering career at Singtel begins with a Hello. Our purpose, to Empower Every Generation, connects people to the possibilities they need to excel. Every "hello" at Singtel opens doors to new initiatives, growth, and BIG possibilities that takes your career to new heights. So, when you say hello to us, you are really empowered to say…“Hello BIG Possibilities”.

Make an impact by:

• Design Kubernetes cluster architecture
• Define deployment models for:

• Red Hat OpenShift (on-prem)
• Amazon EKS, Azure AKS, Google Kubernetes Engine (cloud)

• Deploy and configure Kubernetes/OpenShift clusters
• Implement control plane and worker node setup
• Develop Infrastructure as Code (IaC) for cluster provisioning
• Build reusable templates / golden images for clusters
• Implement GitOps pipelines for deployment
• Standardize Dev/UAT/Prod environments
• Deploy monitoring and logging stack (Prometheus, Grafana, ELK)
• Define baseline alerts, thresholds, and dashboards
• Integrate with enterprise monitoring / ticketing systems
• Provide 24×7 standby support, as required.

Skills for Success:

• Diploma/ bachelor’s degree in computer science, Information Technology, Engineering, or a related discipline.
• Minimal 3–5 years of working experience with Kubernetes (K8s) architecture and operations.
• Strong hands-on experience with virtualization, container platform and private cloud/Public technologies.
• Practical experience with monitoring, performance management, and capacity planning for infrastructure.
• Strong background in incident management, including troubleshooting complex issues, performing root cause analysis, and implementing permanent corrective actions.

Platform Build & Engineering (Day-1)

• Design, deploy, and configure Kubernetes clusters (on-prem and cloud-based)
• Implement container platforms using OpenShift or managed Kubernetes (EKS, AKS, GKE)
• Define cluster architecture, networking (CNI), ingress/egress, and storage integration
• Automate infrastructure provisioning using IaC tools (e.g., Terraform, Ansible)

Operations & Support (Day-2)

• Perform cluster administration, monitoring, and performance tuning
• Manage upgrades, patching, and lifecycle of Kubernetes/OpenShift environments
• Troubleshoot cluster, pod, networking, and application issues
• Ensure platform availability, resiliency, and backup/recovery readiness

Observability & Automation

• Implement monitoring, logging, and alerting (e.g., Prometheus, Grafana, ELK)
• Build CI/CD pipelines integrating container platforms
• Automate operational tasks and standardize runbooks/SOPs