What is the difference between Mainframe Systems vs Mainframe Application Developers?

Career: Mainframe Systems

AspectMainframe SystemsMainframe Application Developers
Primary RoleManage and maintain mainframe hardware and system softwareDesign, develop, and modify applications running on mainframe platforms
Required SkillsMainframe OS, hardware, system administrationProgramming languages like COBOL, JCL, DB2, and application development
Work EnvironmentData centers, system operation centersDevelopment teams, project-based settings
CertificationsIBM Certified System Administrator, Mainframe certificationsProgramming certifications, COBOL certifications

While Mainframe Systems professionals focus on maintaining and managing mainframe hardware and operating systems, Mainframe Application Developers create and modify applications that run on these systems. Both roles require knowledge of mainframe environments, but their responsibilities differ significantly, with one centered on system management and the other on application development.