Mainframe z/OS System Administrator (Japanese & English)
Core
Administration, maintenance, support, and optimization of IBM Mainframe z/OS environments supporting mission-critical business applications.
Role type
Senior IC Mainframe System Administrator
Builds
Stable, secure, and high-performing mainframe infrastructure for enterprise clients
Domain
Banking/Finance + Mainframe Systems
Required skills
IBM z/OS administration, JES2, SMP/E, TSO/ISPF, USS, SDSF, JCL, REXX, VSAM, TCP/IP, root cause analysis, disaster recovery planning, change/incident/problem management, Japanese (professional proficiency), English (professional proficiency)
Preferred skills
DB2, CICS, IMS, MQ, RACF, mainframe monitoring/automation tools, mainframe modernization, DevOps practices, ITIL/Mainframe certifications
Technologies
z/OS, JES2, SMP/E, TSO/ISPF, USS, SDSF, JCL, REXX, VSAM, TCP/IP, DB2, CICS, IMS, MQ, RACF
Responsibilities
Configure and maintain z/OS environments; troubleshoot complex system issues; perform root cause analysis; support system upgrades and patches; monitor system health and capacity; support DR planning and testing; communicate technical updates to Japanese and English stakeholders
Seniority
Senior, hands-on IC