Senior Mainframe Systems Programmer zVM

Senior Mainframe Systems Programmer zVM A Senior IBM z/VM Systems Programmer ensures the stability, integrity, and efficient operation of information systems that support core organizational functions and clients. This is achieved by monitoring, maintaining, supporting, and optimizing all operating systems assigned. This position reports to the Manager of the z/VM, z/Linux team and is responsible for assisting in the management of the z/VM operating systems across multiple LPARS and multiple clients. Key Areas of Focus for this Role: Storage management, system backup/restore, tape encryption, disaster recovery planning Support Incident and Change Management processes Provide metrics tracking operational performance and quality of services delivered Assist Data Center Operations to ensure SLAs are met Coordinate system modifications with IT and business unit managers Support multiple annual Disaster Recovery exercises across a diverse set of client environments Manage z/VM systems: Software Availability Network Capacity and performance Storage Directory and security Working in a collaborative multi-client Environment. Knowledge preferred of software: Velocity Performance Suite (zVPS, zPRO, zVRM), Broadcom / CA VM:Manager and composite products, IBM Dirmaint, IBM RACF, Platforms: z/VM, z/VSE, Linux on IBM Z What the Ideal Candidate Brings to this Role: Required Qualifications help to assure new Associates are set up for success in their role with Ensono. To be considered for this career opportunity, it is important that you meet all required qualifications. Candidates that may meet some, but not all, other qualifications are still encouraged to apply. Required Qualifications: Minimum of 10 years of experience or equivalent combination of education and experience Ability to upgrade and maintain z/VM using VMSES Install/administer z/VM related ISV products (e.g. CA-VM:Manager) Working knowledge of managing z/VM security with VM:Secure and RACF is preferred z/VMperformance/capacity tuning & reporting experience is preferred Experience with Installation and implementation of SSI (Single System Image) is desired Experience with, storage administration, DFSMS/VM, and virtual tape is helpful Experience supporting z/VM to facilitate workloads: Linux on IBM Z, VSEn and z/VSE, CMS, z/OS Ability to provision and manage virtual machines by manually manipulating VM directory and/or using tools such as VM:Secure or DirMaint System network design and configuration at operating system level required with OSA, TCP/IP, and VSWITCH. Experience with OSA-ICC, RSCS and VTAM is also helpful Storage management, system backup/restore, tape encryption, disaster recovery planning Support Incident and Change Management processes Provide metrics tracking operational performance and quality of services delivered Assist Data Center Operations to ensure SLAs are met Coordinate system modifications with IT and business unit managers Support multiple annual Disaster Recovery exercises across a diverse set of client environments Mentor junior team members with all areas of responsibility Familiarity with the tool ServiceNow is preferred

Created: 2026-03-04