Cloud Engineer- Kubernetes

OPENSOURCE PTE. LTD.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

OPENSOURCE PTE. LTD. in Singapore is seeking experienced Kubernetes and Site Reliability Engineers to support highly scalable, production platforms for a global technology customer.

You will operate large-scale Kubernetes environments, drive reliability, incident management, and automation, and collaborate with platform, security, and DevOps teams to maintain availability and performance. You will build monitoring, logging and observability frameworks, define SLIs/SLOs, and contribute to

Qualifications

• Hands-on Kubernetes administration and troubleshooting skills.
• Strong Linux systems administration and networking knowledge.
• Experience with monitoring/observability tools and incident RCA.
• Proficiency in Python or Bash scripting.
• Experience with CI/CD and automated deployment environments.

Responsibilities

• Operate, maintain and troubleshoot large-scale Kubernetes-based production environments.
• Ensure reliability, scalability, availability and performance of critical services.
• Investigate complex production issues and perform root-cause analysis.
• Participate in incident response and drive permanent corrective actions.
• Automate repetitive operational activities and improve platform reliability.
• Build and improve monitoring, alerting, logging and observability frameworks.
• Define and track SLIs, SLOs and operational reliability metrics.
• Support Kubernetes upgrades, configuration changes, patching and platform improvements.
• Work with application engineering, infrastructure, platform, security and DevOps teams.
• Perform capacity planning, performance tuning and reliability improvements.
• Develop and maintain runbooks, automation scripts and troubleshooting docs.
• Participate in production readiness reviews and ensure apps meet operational standards.

Skills

Kubernetes administration

Kubernetes troubleshooting

Linux systems administration

Networking fundamentals

SRE principles

Incident management

Python scripting

Bash/Shell scripting

CI/CD tooling

Observability tools

Tools

Prometheus

Grafana

ELK/OpenSearch

Datadog

Splunk

Terraform

Ansible

Helm

Argo CD

Flux

GitOps

Job description

Role Overview

• We are looking for experienced Kubernetes & Site Reliability Engineers to support highly scalable, business-critical production platforms for a global technology customer in Singapore.
• The role requires strong hands-on expertise in Kubernetes, Linux, production reliability, automation, observability, incident management and troubleshooting of distributed systems.
• Candidates should be comfortable operating large-scale production environments where availability, performance, automation and operational excellence are critical.

Key Responsibilities

• Operate, maintain and troubleshoot large-scale Kubernetes-based production environments.
• Ensure reliability, scalability, availability and performance of critical services.
• Investigate complex production issues and perform detailed root-cause analysis.
• Participate in incident response and drive permanent corrective actions.
• Automate repetitive operational activities and improve platform reliability.
• Build and improve monitoring, alerting, logging and observability frameworks.
• Define and track SLIs, SLOs and operational reliability metrics.
• Support Kubernetes upgrades, configuration changes, patching and platform improvements.
• Work closely with application engineering, infrastructure, platform, security and DevOps teams.
• Perform capacity planning, performance tuning and reliability improvements.
• Develop and maintain operational runbooks, automation scripts and troubleshooting documentation.
• Participate in production readiness reviews and ensure applications meet operational standards.

Mandatory Skills

• Strong hands-on experience with Kubernetes administration and troubleshooting.
• Strong understanding of Kubernetes architecture, including:
• Pods
• Deployments
• StatefulSets
• Services
• Ingress
• ConfigMaps / Secrets
• RBAC
• Storage
• Networking
• Strong Linux systems administration and troubleshooting skills.
• Good understanding of networking concepts such as DNS, TCP/IP, load balancing and service connectivity.
• Strong understanding of Site Reliability Engineering principles.
• Experience supporting large-scale, high-availability production systems.
• Strong incident management and RCA experience.
• Hands-on scripting/automation experience using Python, Bash/Shell or similar.
• Experience with monitoring and observability tools such as Prometheus, Grafana, Splunk, ELK/OpenSearch, Datadog or equivalent.
• Experience working with CI/CD and automated deployment environments.
• Strong debugging and problem-solving capabilities.

Preferred Skills

• Infrastructure-as-Code experience using Terraform, Ansible or equivalent.
• Helm or similar Kubernetes package/deployment management tools.
• GitOps experience using tools such as Argo CD or Flux.
• Knowledge of service mesh concepts.
• Experience with container security and Kubernetes security practices.
• Experience with cloud or private-cloud infrastructure.
• Familiarity with distributed systems and microservices architectures.
• Exposure to performance engineering and capacity management.
• Experience working in globally distributed engineering environments.