Radiant Digital Hiring! Full Time Kubernetes Engineer in - Ricebowl

Title: Kubernetes Engineer

Location: Singapore

Duration: Long- Term

Summary

This role is ideal for a Kubernetes expert passionate about container platform transformation, with strong experience in Rancher environments and AKS, and the ability to drive large-scale container migration programs while implementing robust, scalable, and secure cloud-native architectures.

Overview

We are seeking a highly experienced Kubernetes Engineer with strong expertise in Rancher-managed Kubernetes environments and migration to Azure Kubernetes Service (AKS). The ideal candidate will lead and execute large-scale container platform migrations, enabling seamless transition from on-prem/container platforms to Azure managed Kubernetes, while ensuring high availability, scalability, and secure CI/CD-driven deployments.

This role requires deep hands-on experience with containerization, Kubernetes operations, ingress/gateway architectures (HAProxy, NGINX), and enterprise-scale lift-and-shift container migration.

Key Responsibilities

1. Kubernetes Platform Migration (Rancher to AKS)

• Lead migration of Kubernetes workloads from Rancher-managed clusters (on-prem or IaaS) to Azure Kubernetes Service (AKS).

• Assess existing cluster configurations, namespaces, workloads, and dependencies.

• Define and execute migration strategies (lift-and-shift, re-platform, phased migration).

• Ensure minimal downtime and zero data loss during migration.

2. Container Workload Migration

• Migrate containerized applications to AKS at scale.

• Refactor container images and manifests where necessary for AKS compatibility.

• Optimize resource allocation, scaling policies, and pod distribution.

3. Kubernetes Architecture & Design

• Design production-grade AKS architectures with:

High availability (multi-node pools, zones)

Auto-scaling (HPA, cluster autoscaler)

Secure networking (VNet integration, private clusters)

• Implement best practices for multi-tenant and namespace isolation.

4. CI/CD Integration for Kubernetes

• Integrate Kubernetes deployments into CI/CD pipelines using:

Azure DevOps / GitHub Actions / GitLab CI

• Implement GitOps practices (ArgoCD/Flux) where applicable.

• Automate build, test, and deployment of containerized applications.

5. Ingress & Gateway Architecture

• Design and implement ingress and gateway solutions using:

NGINX Ingress Controller

HAProxy-based gateways/load balancers

• Configure routing, SSL termination, rate limiting, and security policies.

• Ensure high availability and fault tolerance of ingress layer.

6. Networking & Security

• Configure Kubernetes networking (CNI, network policies).

• Implement secure communication using TLS, secrets, and RBAC.

• Integrate with Azure services such as Azure AD, Key Vault, and Private Endpoints.

7. Observability & Monitoring

• Implement monitoring and logging using:

Azure Monitor for Containers

Prometheus & Grafana

Log Analytics

• Define SLIs/SLOs and alerting strategies.

8. Performance Optimization

• Optimize cluster performance, pod scheduling, and resource utilization.

• Conduct load testing and capacity planning for large-scale workloads.

9. Automation & Infrastructure as Code

• Provision and manage infrastructure using:

Terraform

ARM / Bicep

• Automate cluster setup, upgrades, and scaling.

10. Collaboration & Leadership

• Work closely with DevOps, application, and cloud architecture teams.

• Provide guidance on container best practices and Kubernetes usage.

• Support enterprise migration programs and troubleshooting.

Required Skills & Experience

Kubernetes & Containerization

• Strong hands-on experience with:

Kubernetes (cluster setup, operations, troubleshooting)

Rancher (multi-cluster management)

Docker/container runtime technologies

• Deep understanding of Kubernetes components (API server, etcd, scheduler, kubelet).

Azure Kubernetes Service (AKS)

• Experience designing and operating AKS clusters.

• Knowledge of AKS features such as node pools, scaling, and upgrades.

Migration Expertise

• Proven experience in Rancher to AKS migration.

• Experience in large-scale container workload migration.

• Hands-on experience in lift-and-shift container migrations.

Ingress & Gateway Technologies

• Strong experience with:

NGINX Ingress Controller

HAProxy load balancing and gateway configurations

CI/CD & DevOps

• Experience integrating Kubernetes with CI/CD tools:

Azure DevOps, GitLab CI/CD, GitHub Actions

• Familiarity with GitOps tools (ArgoCD, Flux).

Networking & Security

• Understanding of Kubernetes networking (CNI plugins, service mesh optional).

• Experience with RBAC, secrets management, and TLS.

Scripting & Automation

• Proficiency in Bash, Python, or PowerShell.

Preferred Qualifications

• Azure certifications (e.g., Azure Administrator / Azure DevOps Engineer / Kubernetes certifications (CKA/CKAD)).

• Experience with service mesh (Istio, Linkerd).

• Familiarity with container security tools (Aqua, Twistlock, Trivy).

Soft Skills

• Strong analytical and troubleshooting abilities.

• Excellent communication and collaboration skills.

• Ability to work in fast-paced migration programs.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or related field.

Experience Level

• 6–10+ years of IT experience.

• 3–5+ years of hands-on Kubernetes experience.

• Proven track record in enterprise-scale container migration projects.

Key Competencies

• Kubernetes Platform Engineering

• Rancher to AKS Migration

• Container Workload Modernization

• Ingress & Gateway Architecture (NGINX, HAProxy)

• CI/CD & GitOps for Kubernetes