Role Overview
RHB Excellent Centre is seeking a Z/OS IBM Mainframe Systems Engineer / Administrator to join their technical operations team.
This is a systems programming – operations / technical engineering role. The successful candidate will:
- Install, customize, configure, and maintain the z/OS operating environment.
- Ensure the mainframe platform and its services remain available, secure, and performant to meet agreed service levels.
- Provide 24/7 production support where required.
- Work in a technical engineering / operations-led capacity, not pure application or database development.
Key ResponsibilitiesSystem Installation, Customization & Maintenance
- Install, customize, and maintain the z/OS operating system and related subsystems on IBM mainframe hardware.
- Configure and manage mainframe hardware and system software to support business and application requirements.
- Apply system maintenance (SMP/E, PTFs, upgrades).
- Coordinate change/version upgrades with minimal disruption to production.
Operations, Availability & Service Continuity
- Monitor system health, batch and online workloads, and job scheduling to ensure services meet agreed SLAs.
- Support 24/7 production operations, including on-call / shift coverage for incident response as required by the client.
- Perform daily operational administration: system starts/restarts, IPLs, job monitoring, and console/automation event handling.
Performance, Capacity & Tuning
- Monitor CPU utilization, storage, buffer pools, and other system resources.
- Tune the environment for optimal performance.
- Conduct capacity planning: track storage/resource usage trends and forecast future growth requirements.
Backup, Recovery & Disaster Recovery
- Schedule and verify system/data backups.
- Maintain and test disaster recovery (DR) plans and procedures.
- Perform data/system restoration and recovery activities in the event of failure.
Security Administration
- Support security setup for new applications and systems: user authentication, access permissions, and audit logging.
- Work with RACF or equivalent external security manager for access control administration, in line with IBM z/OS security practices.
Automation & Collaboration
- Configure and maintain automation tooling for routine operational tasks and event handling.
- Work closely with production control, application, network, and database specialist teams.
- Diagnose and troubleshoot system failures, performance issues, and job abends.
- Perform root-cause analysis.
Documentation
- Maintain accurate configuration records, operational runbooks, backup/recovery procedures, and compliance documentation.
Key Technical Requirements
- Z/OS experience – Major / Mandatory: Strong, hands-on z/OS systems programming / administration experience, including installation, customization, maintenance, and operations support.
- COBOL experience – Minor / Preferred: COBOL exposure is an added advantage but not a strict requirement.
- Working knowledge of JCL, VSAM, and mainframe utilities.
- Exposure to RACF or equivalent security management tools is an advantage.
- Familiarity with performance monitoring, capacity planning, and backup/disaster recovery practices on z/OS.
Candidate Profile Summary
- Mid-Senior to Senior level mainframe professional.
- Systems programmer / systems engineer with an operations and technical engineering leaning.
- Banking or non-banking industry background accepted.
- Comfortable with 24/7 production support environments and on-call rotations where applicable.
- Strong troubleshooting, analytical thinking, and documentation discipline.
- Available immediately or within 30 days’ notice.
- Willing to work fully onsite at Bangi.
- Local candidates or expatriates already residing in Malaysia, for F2F interview feasibility.
Pay: RM7,000.00 - RM13,000.00 per month
Application Question(s):
- What is the current salary?
- What is the expected salary?
Work Location: In person