Senior Kubernetes SRE: Reliability Automation Observability

OPENSOURCE TECHNOLOGIES PTE. LTD.; Singapore; On-site; SGD 90,000 - 130,000; Full time

Job summary

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

You will work on Kubernetes administration, incident management, automation, and observability to ensure reliability and performance. Responsibilities include operating large-scale clusters, capacity planning, and collaborating with cross-functional teams.

Qualifications

• Strong hands-on experience with Kubernetes administration and troubleshooting.
• Solid Linux systems administration and troubleshooting skills.
• Good understanding of networking concepts (DNS, TCP/IP, load balancing, service connectivity).
• Site Reliability Engineering principles and incident management experience.
• Hands-on scripting/automation using Python or Bash/Shell.
• Experience with monitoring/observability tools: Prometheus, Grafana, Splunk, ELK/OpenSearch, Datadog.
• Helm or similar Kubernetes packaging tools; GitOps with Argo CD/Flux.
• Knowledge of service mesh concepts and container security practices.
• Experience with cloud or private-cloud infrastructure and distributed systems.

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 and platform improvements.
• Collaborate with engineering, infrastructure, platform, security and DevOps teams.
• Perform capacity planning and performance tuning for 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 architecture

Pods

Deployments

StatefulSets

Services

Ingress

ConfigMaps/Secrets

RBAC

Storage

Networking

Linux administration

DNS/TCP/IP

Site Reliability Engineering

Incident management

RCA analysis

Python scripting

Bash scripting

Prometheus

Grafana

Splunk

ELK/OpenSearch

Datadog

Helm

GitOps - Argo CD/Flux

Service mesh concepts

Cloud/private-cloud infra

Distributed systems

Capacity management

Global distributed teams

Tools

Prometheus

Grafana

Splunk

ELK/OpenSearch

Datadog

Argo CD

Flux

Helm

Kubernetes security tools

Job description

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

You will work on Kubernetes administration, incident management, automation, and observability to ensure reliability and performance. Responsibilities include operating large-scale clusters, capacity planning, and collaborating with cross-functional teams.