What Is a Z OS Mainframe Systems Programmer and How to Become One

By ZipRecruiter Marketplace Research Team

The responsibilities of a z/OS mainframe systems programmer include the development, installation, testing, and maintenance of this operating system and hardware. As a z/OS mainframe systems programmer, your duties include making sure the system is customized and meets an organization’s needs and standards, debugging and evaluating other software packages, and making recommendations to the IT department. You diagnose issues and solve any problems that arise with the software and hardware. You also prepare a plan for recovering data after a disaster. Other aspects of your job entail providing support and customer service, collaborating with other IT departments, and managing and contributing to research projects as needed.

To become a z/OS mainframe systems programmer, you should understand systems programming and various control languages. Many employers prefer advanced experience, such as eight to 10 years in technical support working with these systems. Other qualifications include a working knowledge of z/OS operation, security, networking, and automation, and related software such as IOGEN and SMPE. Some employers use programming languages such as JCL, VSAM, and TSO. Other essential skills include analytical thinking, time management, problem-solving, and communication. Being detail-oriented and having the ability to work on a team in a complex systems environment is crucial for succeeding in this role.