Mainframe System Programmer

R Systems; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

R Systems is seeking a seasoned Mainframe zOS System Programmer / Administrator to join our enterprise infrastructure team in Singapore. You will oversee zSeries hardware, zOS, CICS and MQ environments, and lead infrastructure initiatives with a strong emphasis on stability and performance.

Responsibilities include designing the host platform strategy, driving architecture roadmaps, and delivering L3 support across IBM and third-party software stacks for financial institutions.

Qualifications

• Over 6 years of experience, particularly within financial institutions.
• Domain knowledge in Mainframe System Administration and operating systems (TSO, JES2, ISPF, RACF).

Responsibilities

• Leading infrastructure initiatives and project management.
• Deploying and supporting host infrastructure solutions with L3 expertise.
• Managing risks, controls, audits, and RCSA for host platforms.
• Designing and maintaining host platform technology strategy, architecture, and roadmap.

Skills

Mainframe CICS & MQ

zSeries hardware & zOS

IBM & 3rd party vendor system software

Storage area networks

Roadmap architecture

Infrastructure leadership

L3 support

Risk, controls, audits, RCSA

Mainframe system administration

TSO/JES2/ISPF/RACF

Job description

We are looking for seasoned Mainframe zOS System Programmer / Administrator,

• Mainframe CICS & MQ
• zSeries hardware & zOS operating system
• IBM & 3rd Party Vendor System Software
• Storage area networks, disk, and tape systems
• Designing and maintaining host platform technology strategy, architecture, and roadmap
• Leading infrastructure initiatives and project management
• Deploying and supporting host infrastructure solutions with L3 expertise
• Managing risks, controls, audits, and RCSA for host platforms

With over 6 years of experience - particularly within financial institutions

Domain knowledge in:

• Mainframe System Administration
• Operating systems (TSO, JES2, ISPF, RACF)