OpenShift Kubernetes Engineer

About Us: Radiant Digital delivers technology consulting and business solutions for commercial and government clients. Our flexible delivery model allows us to provide end-to-end solution delivery, single project execution, and, or strategic resources. CMMI Maturity Level III and ISO 9001 – 2015 certified. Responsibilities: Experience in creating, configuring, and Maintaining RedHat OpenShift Container Platform in On-Premises BareMetal and VMWARE environments. This includes setting up the underlying infrastructure, adding or removing nodes, and ensuring the cluster is highly available Manage and administer the RedHat OpenShift Container Platform services like Operators,OpenShift Data Foundation,Pipelines,Image Registry,OpenShift Serverless,Routes, S3 Compatible Storage etc Collaborate with the Development team in containerizing the applications also in addressing the vulnerabilities identified in the Static/Dynamic scan & container registry scans Setting up authentication methods (like LDAP etc), defining roles and permissions using Role-Based Access Control (RBAC), and creating and managing user accounts Configure and manage networking within the cluster such as set up service definitions, configuring networking policies, and ensuring that applications can communicate with each other both within and outside the cluster Configure and manage OpenShift Container Storage (OCS)/OpenShift Data Foundation (ODF) for stateful workloads and data services across the platform. This includes setting up persistent storage, storage classes, and managing the lifecycle of storage volumes Keeping the OpenShift clusters up to date by performing version upgrades and optimizing the cluster's performance by fine-tuning configurations and resolving performance bottlenecks. Manage and administer the On-Premise Elasticsearch clusters that includes deployment, configuration, index management, Cross-cluster replication, Snapshot/restore, agent management, cluster upgrades, Index Templates Management and any other relevant administrator duties. Secure access to the Elasticsearch cluster, its data and APIs according to required access control policies and troubleshoot various issues with the clusters (errors like unassigned shards, automation issues, to node/cluster failures) Strong experience in building and administering Apache/Confluent Kafka messaging platform Must be able to develop and maintain continuous integration and continuous deployment systems using tools like Git, GitHub, Jenkins, and Helm Maintain the Gitlab version control system and manage Gitlab repositories, permissions, Branching, Merging, Tagging, maintaining access control strategies, and resolving conflicts. Perform Jenkins installation, upgrades, RBAC, Configuration, Plugin installation, backup/restore, Jenkins files, and CI/CD pipelines Perform the installation, configuration, upgrade, administration, monitoring, and maintenance of the PostgreSQL database. Install, Configure and Manage monitoring tools such as Grafana/Prometheus in Redhat OpenShift clusters and push the container logs to Elasticsearch with FluentD/FluentBit. Linux/Windows System Administration Skills including operating system installation and maintenanc Any of the following Certifications are a big plus. Certified Kubernetes Administrator (CKA) Red Hat Certified OpenShift Administrator