z/OS Mainframe Systems Programmer
Core
Installation, upgrade, maintenance, and support of IBM z/OS operating systems and ISV products in large-scale, mission-critical enterprise environments.
Role type
Senior z/OS Mainframe Systems Programmer
Builds
Stable, secure, and highly available mainframe infrastructure services for banking and financial services organizations
Domain
Banking and Financial Services / Mainframe Infrastructure
Deliverable
production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work
Required skills
z/OS Systems Programming, Parallel Sysplex administration, SMP/E, TSO/ISPF, UNIX System Services (USS), SDSF, JCL, RACF, troubleshooting, capacity planning, disaster recovery support
Preferred skills
ACF2 Security Administration, GDPS environments, Assembler, REXX, OMEGAMON, RMF, SMF, SAS, automation tooling, hybrid infrastructure modernization
Technologies
IBM z/OS, SMP/E, TSO/ISPF, USS, SDSF, JCL, RACF, ACF2, GDPS, Assembler, REXX, OMEGAMON, RMF, SMF, SAS
Responsibilities
Install, configure, customize, upgrade, and maintain IBM z/OS operating systems; Administer and support large-scale Parallel Sysplex environments; Perform system performance monitoring, capacity planning, and resource optimization; Analyse and resolve complex system-level issues; Support disaster recovery, business continuity, and high-availability initiatives; Create and maintain technical documentation, procedures, and operational runbooks; Provide technical guidance and mentoring to junior team members
Seniority
Senior, hands-on IC