z/OS Systems Programmer

Position: z/OS Systems Programmer – Upgrade SpecialistContract Duration: 3–4 months (until January/February 2027)Start Date: ASAP – Immediate joiners preferred

Employment Type: Short-term ContractOpenings: 2Key ResponsibilitiesPlan and execute the z/OS upgrade from version 2.5 to 3.1 for internal customers.Perform z/OS installation, configuration, and system customization.Ensure compatibility of ISV (Independent Software Vendor) products with z/OS 3.1.Conduct compatibility testing, troubleshooting, and post-upgrade validation.Identify and resolve technical issues during the upgrade process.RequirementsStrong hands-on experience as a z/OS Systems Programmer in IBM mainframe environments.Proven experience in z/OS upgrades or migrations, preferably to version 3.1.Solid knowledge of z/OS installation, configuration, maintenance, and troubleshooting.Experience with ISV product installation, maintenance, and compatibility management.Ability to work independently and support upgrade activities within a short project timeline.Good English communication skills.Additional InformationImmediate availability is highly preferred.External consultants are welcome.No GDPR-related restrictions for this engagement.Send your CV: careers@zimaw.com