Senior OpenShift

Role Overview

We are seeking a highly skilled and experienced Senior OpenShift / Kubernetes Architect with expertise in designing, deploying, and managing enterprise-scale OpenShift (OCP) clusters across production and lab environments. The candidate will be responsible for solution architecture, deployment, security hardening, monitoring, storage integration, and supporting high-availability Kubernetes-based environments. The role involves hands-on technical implementation, documentation, and knowledge transfer.

Position: Senior OpenShift / Kubernetes Architect

Experience: 7+ Years

Shift: Canadian shift

Key Responsibilities

Cluster Deployment & Architecture

• Design and implement RedHat OpenShift clusters across Production and LAB environments.
• Setup of air-gapped OCP installation on HPE Synergy 480 Gen 11 (Production) and HPE BL460c Gen 10 (LAB).
• Build 4 OCP clusters (Production Site-1, Production Site-2, LAB1, LAB2) with 3 master nodes and N worker nodes in each.
• Develop High-Level Design (HLD) and Low-Level Design (LLD) documentation for OCP deployment.
• Configure Multus (CNI) for external IP communication and Portworx (CSI plugin) for database nodes.
• Implement geo-redundancy and failover strategies.

Security & Best Practices

• Apply CIS Security Hardening for Kubernetes and underlying nodes.
• Implement RBAC, image policies, Kubernetes security policies, and certificate management.
• Setup Ingress controllers, API server configurations, and HA Proxy load balancing with SSL and KeepAlive.

Networking & Infrastructure

• Configure DNS, DHCP, NTP (Chrony) for cluster networking.
• Integrate Kubernetes clusters with network switches and SAN storage.
• Implement SNMP alerting and monitoring.

Storage & Logging

• Setup Portworx for persistent storage.
• Deploy and configure Container Registry (Quay).
• Integrate Elasticsearch + Kibana for application logs.
• Configure Rsyslog for node log forwarding, archival policies, and external log analyzer integration.
• Support sidecar containers (e.g., Logstash) for centralized log forwarding.

Monitoring & Observability

• Deploy Prometheus & Grafana dashboards for monitoring cluster resources (CPU, Memory, Disk, Network).
• Configure alerts for node, pod, and persistent storage.
• Ensure continuous monitoring of infra and application workloads.

Cluster Administration & Operations

• Perform installation, upgrades, and patching at node and Kubernetes level.
• Manage backup & restore processes (ETCD snapshots, import/export backups).
• Validate cluster health via test deployments and functional checks.
• Support application deployments & ATP post-migration tests.
• Support Couchbase, Portworx, and other middleware installations on Kubernetes.

Documentation & Knowledge Transfer

• Prepare HLD, LLD, MOPs for production deployments.
• Provide end-to-end documentation of the deployed platform.
• Conduct training and knowledge transfer sessions for internal teams.

Required Skills & Qualifications

• 7+ years of experience in Kubernetes, OpenShift, and containerized environments.
• Strong expertise in OCP cluster deployment (air-gapped, enterprise-grade).
• Hands-on experience with HPE Synergy / Blade infrastructure.
• Proficiency in Networking (DNS, DHCP, HA Proxy, NTP, Multus CNI).
• Experience with Storage solutions (Portworx, SAN integration, CSI drivers).
• Solid understanding of Monitoring tools (Prometheus, Grafana, SNMP).
• Expertise in Logging solutions (Rsyslog, Elasticsearch, Kibana, Logstash).
• Strong knowledge of Kubernetes security, RBAC, CIS benchmarks.
• Experience with Container Registry management (Quay/Harbor).
• Familiarity with application deployment using Helm.
• Strong troubleshooting, problem-solving, and performance optimization skills.
• Excellent communication and documentation skills.