Jobs → Design → Mainframe z/VM and Linux Engineer

About the Role Client is seeking an experienced Mainframe z/VM and Linux Engineer to support IBM Z virtualization environments and Linux on Z platforms. This role is responsible for provisioning, maintaining, and optimizing virtual machines and Linux systems running on z/VM, ensuring high availability, performance, and secure operations in enterprise environments. Key Responsibilities • Install, configure, and maintain IBM z/VM systems • Perform system IPLs and hardware configuration updates via HMC • Manage lifecycle of virtual machines (guests): provisioning, scaling, decommissioning • Administer z/VM components such as DirMaint, VMSES/E, and RACF for z/VM security • Support deployment and management of Linux workloads on z/VM • Ensure system stability, performance, and security compliance • Perform patching, upgrades, and vulnerability remediation • Manage file systems, storage, and network configurations • Install, configure, and maintain Linux distributions on IBM Z: RHEL, SUSE, Ubuntu • Monitor system performance and availability: CPU, memory, I/O utilization, workload performance and capacity • Troubleshoot and resolve system issues: performance bottlenecks, VM failures, Linux system errors • Assist application teams with deploying workloads on Linux on Z • Automate provisioning and operational tasks using REXX, Shell scripting, Python • Support DevOps and integration initiatives: CI/CD pipelines, container platforms (Docker, Kubernetes) • Implement and maintain security controls: RACF integration for z/VM, Linux OS hardening • Maintain system documentation and configuration records • Ensure all changes follow ITIL / ServiceNow change management processes • Support DR planning and execution for z/VM and Linux systems Requirements • IBM z/VM (z/VM 6.x / 7.x) • Linux on IBM Z (RHEL/SUSE/Ubuntu) • Hands-on experience with virtual machine provisioning and management • VM directory management (DirMaint) • System maintenance (RSUs, APARs, VMSES/E) • Strong troubleshooting skills across z/VM system issues and Linux OS performance and configuration