Job Description

Required Technical and Professional Expertise
Over 6 Years of Experience as a zLinux Middleware Administrator. Install, configure, and manage OpenShift, WebSphere Application Server (WAS), IBM HTTP Server (IHS), and IBM MQ on IBM Z/Linux. Deploy and manage containerized applications using Kubernetes and OpenShift operators. Configure and maintain high availability (HA), clustering, and load balancing for all middleware components. Tune JVM settings, heap size, garbage collection, and thread pools for WebSphere applications. Optimize IBM MQ message flow, queue depth, and performance. Configure caching, compression, and load balancing in IHS for improved web performance. Use Splunk, ELK, Prometheus, Grafana, or IBM Tivoli Monitoring (ITM) for real-time system and application monitoring. Implement SSL/TLS encryption, LDAP authentication, OAuth, and RBAC policies across middleware components. Secure IBM MQ with SSL encryption, authentication, and message signing. Set up WebSphere Network Deployment (ND) clusters for high availability. Configure multi-instance queue managers and failover strategies for IBM MQ.
Preferred Technical and Professional Experience
Implement OpenShift scaling policies for auto-scaling and redundancy. Ensure backup and recovery strategies using IBM Spectrum Protect (TSM). Develop Ansible playbooks, Python scripts, and shell scripts to automate administration tasks. Build and maintain CI/CD pipelines for WebSphere, OpenShift, and IBM MQ. Provide 24/7 on-call support for production environments (if required). * Work closely with application developers, DevOps teams, network engineers, and security teams.