Senior OpenShift Kubernetes Administrator

About the Position

We're looking for a Senior OpenShift Kubernetes Administrator to help lead our cloud-native platform transformation. This is an opportunity to engineer, automate, and operate enterprise-scale OpenShift environments that power mission-critical applications. You'll work with cutting-edge technologies, solve complex platform challenges, and influence the future direction of our Kubernetes strategy.

Responsibilities

• Administer, maintain, and optimize enterprise OpenShift Kubernetes platforms deployed to High-Performance Compute infrastructure
• Manage large-scale OpenShift clusters using the OpenShift Console, OpenShift CLI (oc), Advanced Cluster Manager (ACM), and various infrastructure automation tools
• Design and implement automated solutions for deployment, configuration, and lifecycle management
• Develop Infrastructure-as-Code and automation frameworks using Ansible and scripting
• Troubleshoot complex Kubernetes, container, networking, and platform issues
• Collaborate with developers to improve application reliability, observability, scalability, and performance
• Implement enterprise security controls and platform hardening standards
• Support high availability, disaster recovery, and multi-cluster architectures
• Drive platform modernization initiatives and operational excellence through automation
• Participate in architecture reviews and help define the future state of enterprise container platforms

Requirements

• A minimum of 3 years of relevant experience administering Kubernetes platforms in production environments
• Deep expertise with Red Hat OpenShift
• Strong knowledge of Kubernetes internals, including scheduling, networking, storage, ingress and load balancing, operators, and cluster lifecycle management
• Experience with Ansible and other automation frameworks
• Experience with container technologies and image creation
• Proficiency in shell scripting and at least one programming language such as Python or Go
• Strong Linux administration skills, preferably with Red Hat Enterprise Linux
• Experience troubleshooting enterprise-scale platform issues
• Excellent communication and technical documentation skills
• Strong written and spoken proficiency in English at a B2 level or higher

Nice to Have

• Experience with infrastructure automation and orchestration tools to streamline platform operations and reduce manual intervention

Locations

• Remote in Brazil
• Remote in other locations

Language

• English (B2 level or higher)