Onsite L3 Mainframe Developer — COBOL/CICS & Cardlink

Oxydata Software; Kuala Lumpur; On-site; MYR 134,000 - 201,000; Part time

Job summary

Oxydata Software Sdn Bhd is seeking an experienced L3 Support Mainframe Developer in Kuala Lumpur, Malaysia. You will provide production support and development for Cardlink applications, focusing on COBOL and CICS in a banking context.

You will work onsite with a team to analyze incidents, perform root-cause analysis, and ensure reliable batch processing via JCL, VSAM datasets, and z/OS environments. A Bachelor’s degree and 3–5 years of mainframe experience are required.

Qualifications

• Bachelor’s degree in related discipline.
• Legal right to work in Malaysia; no visa sponsorship.
• 3–5 years in mainframe development and support.
• At least 4 years COBOL and CICS experience.
• Experience with Mainframe z/OS, VSAM, and sequential datasets.
• Experience in Cardlink development and delivery.

Responsibilities

• Provide L3 production support and technical assistance for Mainframe/Cardlink applications.
• Develop, maintain, enhance, and troubleshoot applications using COBOL and CICS.
• Analyse production incidents, defects, and application issues, performing root-cause analysis and implementing solutions.
• Develop and maintain JCL for batch processing and application execution.
• Work with VSAM and sequential datasets for data processing and troubleshooting.
• Support testing, deployment, release, and delivery activities.
• Participate in full SDLC including requirements analysis, development, and post-production support.
• Collaborate with QA, application support, business, infrastructure, and other teams to resolve issues.
• Prepare and maintain technical documentation and support procedures.
• Ensure production changes are implemented safely per controls.

Skills

Mainframe development

COBOL

CICS

VSAM

z/OS

Cardlink

Banking domain

Education

Bachelor's degree

Tools

JCL

REXX scripting

DB2 on z/OS

Job description

Oxydata Software Sdn Bhd is seeking an experienced L3 Support Mainframe Developer in Kuala Lumpur, Malaysia. You will provide production support and development for Cardlink applications, focusing on COBOL and CICS in a banking context.

You will work onsite with a team to analyze incidents, perform root-cause analysis, and ensure reliable batch processing via JCL, VSAM datasets, and z/OS environments. A Bachelor’s degree and 3–5 years of mainframe experience are required.