Infrastructure Engineer – System Programmer (z/OS Mainframe) - Tieto Tech Consulting (m/f/d)
Core
Maintaining, developing, and modernizing IBM z/OS mainframe infrastructure in a critical business environment.
Role type
Senior Infrastructure Engineer / System Programmer (z/OS)
Builds
Stable, secure, and modernized mainframe operating systems and middleware
Domain
Mainframe computing (IBM z/OS)
Deliverable
production ML models | infrastructure
Required skills
IBM z/OS system programming, SMP/E software installation and maintenance, mainframe security (certificates, PKI, encryption, key management), 24/7 production environment support, incident management, infrastructure modernization and automation
Preferred skills
z/OS and distributed systems integration, mainframe automation and monitoring, knowledge of z/OS subsystems or middleware solutions
Technologies
IBM z/OS, MQ for z/OS, IMS, Db2, SMP/E
Responsibilities
System programming and maintenance of z/OS and subsystems, collaborating with MQ/IMS/Db2 experts, software installation and updates via SMP/E, troubleshooting and operational support, managing security settings, participating in on-call rotations and infrastructure changes, environment modernization and automation
Seniority
Senior, hands-on IC