DevOps Engineer

Client of YALLO Retail

We are seeking an experienced DevOps Administrator to manage, operate, and optimize our containerized platforms built on Kubernetes, Rancher, and Longhorn. The role focuses on ensuring high availability, performance, security, and reliability of Kubernetes clusters across development, staging, and production environments.

The ideal candidate will have strong hands-on experience with Kubernetes operations, Rancher management, persistent storage using Longhorn, and Linux system administration, along with a solid understanding of DevOps best practices.

Key Responsibilities:

• Kubernetes Administration

• Install, configure, upgrade, and manage Kubernetes clusters (on-premise and/or cloud).

• Operate and maintain RKE / RKE2 / K3s based clusters.

• Troubleshoot cluster-level issues related to API server, etcd, scheduler, controller-manager, and kubelet.

• Perform cluster scaling, upgrades, backup, and disaster recovery.

• Monitor cluster health, performance, and resource utilization.

• Rancher Management

• Deploy, configure, and maintain Rancher (HA and single-node setups).

• Manage downstream clusters via Rancher.

• Handle RBAC, authentication (AD/LDAP/OIDC), and multi-tenant access.

• Troubleshoot Rancher UI, API, and cluster connectivity issues.

• Perform Rancher upgrades and version compatibility assessments.

• Longhorn Storage Administration

• Deploy and manage Longhorn as a persistent storage solution.

• Monitor volume health, replicas, snapshots, and backups.

• Troubleshoot storage latency, degraded volumes, and replica rebuilds.

• Implement storage best practices and performance tuning.

• Plan and test backup and restore strategies for persistent workloads.

• CI/CD & DevOps Practices

• Integrate Kubernetes with CI/CD pipelines (Jenkins, GitLab CI, GitHub Actions, etc.).

• Support container image build, scan, and deployment workflows.

• Manage Helm charts and Kubernetes manifests.

• Implement GitOps practices (Argo CD / Flux is a plus).

• Monitoring, Logging & Security

• Implement and maintain monitoring and alerting (Prometheus, Grafana).

• Manage centralized logging solutions (ELK / EFK).

• Apply Kubernetes security best practices, including:

• Network policies

• Pod Security Standards

• Secrets management

• Perform vulnerability assessments and patching.