Mainframe Consultant

No Third Party Candidates Will be Considered

We are seeking an experienced Mainframe z/VM & 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.

* This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week.
We will consider candidates who are willing to relocate to the area.

• Install, configure, and maintain IBM z/VM systems
• Manage lifecycle of virtual machines (guests):
• Scaling
• Dir Maint
• VMSES/E
• Apply system maintenance:
• RSUs, PTFs, APARs, and service updates
• Perform system IPLs and hardware configuration updates via HMC
• Install, configure, and maintain Linux distributions on IBM Z:
• RHEL, SUSE, Ubuntu
• 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

• Monitor system performance and availability:
• Workload performance and capacity
• Troubleshoot and resolve system issues:
  
  Performance bottlenecks
• Analyze logs and system metrics to ensure operational stability
• Provide L2/L3 support for production environments

• Automate provisioning and operational tasks using:
• REXX, Shell scripting, Python (preferred)
• Support Dev Ops and integration initiatives:
• Assist application teams with deploying workloads on Linux on Z

• Implement and maintain security controls:
• Ensure compliance with enterprise standards and audit requirements
• Support vulnerability management and patch remediation

• Maintain system documentation and configuration records
• Ensure all changes follow:
• ITIL / Service Now change management processes
• Support DR planning and execution for z/VM and Linux systems

• Strong experience with:
• Hands-on experience with:
• Virtual machine provisioning and management
• VM directory management (Dir Maint)
• System maintenance (RSUs, APARs, VMSES/E)
• Knowledge of:
• HMC operations and IPL processes
• Storage (DASD) and networking on z systems
• Strong troubleshooting skills across:
• z/VM system issues
• Linux OS performance and configuration

• Knowledge of Sysplex, networking, and storage integration
• Experience with Monitoring tools (e.g., Grafana, OMEGAMON) and Automation tooling (Ansible, scripting)
• Exposure to Cloud integration / hybrid environments and Container workloads on Linux on Z