z/OS System Programmer - RACF Administration

Lavu Tech Solutions Sdn Bhd; Kuala Lumpur; On-site; MYR 120,000 - 180,000; Full time

Job summary

Lavu Tech Solutions Sdn Bhd in Kuala Lumpur seeks an experienced z/OS System Programmer to manage installation, tuning, and security of the z/OS environment, with a focus on RACF administration and system integrity.

You will work on JES2/JES3, CICS, DB2, IMS, and TCP/IP, develop JCL/REXX/CLIST scripts, and contribute to DR/BCP planning and change management in a regulated setting.

Qualifications

• Minimum 5 years of hands-on experience in z/OS System Programming and RACF Administration.
• Strong experience in IBM z/OS system administration and system programming.
• Hands-on experience with SMP/E, IPL, system customization, performance tuning, and system software.

Responsibilities

• Perform system software installation, SMP/E management, and IPL procedures to keep the z/OS environment uptodate.
• Customize and tune the operating system for optimal performance, including memory, I/O, and workload management.
• Administer RACF security policies, conduct audits, and ensure compliance with internal and regulatory standards.
• Manage and support mainframe subsystems such as JES2/JES3, CICS, DB2, IMS, and TCP/IP, ensuring their stability and integration.
• Develop, maintain, and troubleshoot JCL, REXX, and CLIST scripts used for batch processing and Requirements :

Skills

RACF Administration

Mainframe System Programming

z/OS administration

JCL/REXX/CLIST

DR/BCP planning

Memory & performance tuning

JES2/JES3

CICS

DB2/IMS/TCP-IP

Tools

SMP/E

IPL

Job description

Key Responsibilities:

• Perform system software installation, SMP/E management, and IPL procedures to keep the z/OS environment uptodate.
• Customize and tune the operating system for optimal performance, including memory, I/O, and workload management.
• Administer RACF security policies, conduct audits, and ensure compliance with internal and regulatory standards.
• Manage and support mainframe subsystems such as JES2/JES3, CICS, DB2, IMS, and TCP/IP, ensuring their stability and integration.
• Develop, maintain, and troubleshoot JCL, REXX, and CLIST scripts used for batch processing and Requirements :

Requirements:

• Minimum 5 years of hands-on experience in z/OS System Programming and RACF Administration.
• Strong experience in IBM z/OS system administration and system programming.
• Hands-on experience with SMP/E, IPL, system customization, performance tuning, and system software

Additional Skills:

• Good knowledge of RACF security administration, auditing, and compliance.
• Experience with mainframe subsystems such as JES2/JES3, CICS, DB2, IMS, and TCP/IP.
• Experience with JCL, REXX, and/or CLIST.
• Exposure to DR/BCP activities and change management processes.
• Candidates should have a strong System Programmer background rather than a pure Mainframe Operations background.