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# Senior Mainframe Systems Programmer - zVM

- **Company:** Ensono
- **Location:** Detroit, MI, United States (Remote available)
- **Experience:** Expert
- **Salary:** $85,000.0 - $148,000.0
- **Contract:** Permanent contract
- **Skills:** Information Systems, Data Centers, Linux, Disaster Recovery, VSE (Operating System), IBM Systems Network Architecture, Mainframes, Open VSwitch, IBM Resource Access Control Facility, Broadcom, TCP/IP, Virtual Machines, Virtual Tape Library, Z/OS, Data Storage Management, Ibm Z/vm, Servicenow
- **Published:** June 15, 2026
- **Apply:** https://jobs.mitalent.org/job-seeker/job-details/JobCode/332749052

## About the Role

* 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.

## Description

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
 * Off Hours Support as required/Participate in On-Call Schedule
 * Platforms: z/VM, z/VSE, Linux on IBM Z, * 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


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