Senior Mainframe Systems Programmer – ISV

This position is listed on behalf of a partner company, who manages all applications and next steps. Our partner is looking for a Senior Mainframe Systems Programmer – ISV based in United States. The Senior Mainframe Systems Programmer – ISV will provide critical technical support for enterprise mainframe environments, with a strong focus on ISV software and z/OS infrastructure. This role is responsible for installing, upgrading, configuring, testing, and implementing essential systems software that supports reliable business operations. You will troubleshoot incidents and problems, participate in on-call support, and contribute to technical projects and software evaluations. The position also involves working closely with vendors and internal teams to resolve complex technical issues and implement changes effectively. Success requires strong knowledge of z/OS and its supporting tools, combined with analytical thinking and a service-oriented mindset. This is a systems programming role rather than an applications development position, offering the opportunity to work deeply within a large-scale enterprise mainframe environment.