Mainframe Developer
Posted on June 14, 2025 by WSH Experts Pte Ltd
- Singapore, Singapore
- N/A
- Full Time

Job Description
Code, modify, test, correct and document new and existing programs using assigned languages, tools and coding conventions;
Code, modify, test, correct and document new and existing JCLs;
Analyse the program specification to produce all testing condition and produce test data based on identified test conditions;
Prepare JCL to load DB2 table or define VSAM files with the extracted test data for performing the various tests, eg stress test, regression test, performance test etc. When tested successfully, repeat the process for creating production DB2 & VSAM files;
Prepare and maintain program and system documentation;
Assist in establishing file structures and processing logic requirements;
Produce deliverables according to group standards and procedures;
Assist Project Leaders in the study and design of application systems and work coordination, project management and user training work;
Troubleshooting and supporting end-users in the implementation and maintenance of application systems;
Train other contract programmers in the relevant skills; Participate in Disaster Recovery activities eg simulation exercises at Disaster Recovery site;
Job Requirement
Diploma/Degree In Information Technology
Have at least three (3) years' post graduate programming experience on IBM mainframe z/OS and CICS operating environment using TSO, ISPF, COBOL for z/OS, CICS COBOL, JCL and other utilities.
Have at least three (3) years' post graduate hands-on programming experience using COBOL for z/OS and CICS COBOL in processing IBM VSAM and sequential files and able to maintain VSAM file structure.
Have at least three (3) years' post graduate working experience in preparing JCL for compilation, linkage and execution of COBOL for z/OS programs, Sort and other IBM Utilities. The 3 years’ working experience must be within the past 3 years timeframe;
Have at least three (3) years' post graduate hands-on programming experience using DB2/SQL in COBOL for z/OS and CICS COBOL programs.
Job Overview
- Date PostedJune 14, 2025
- LocationIslandwide
- Offered Salary:$4000 - $5000 / month
- Experience3
- QualificationBachelor Degree
- Position LevelProfessional
- Number Of Vacancies1
WSH Experts Pte Ltd
Advertised until:
July 14, 2025
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