onsite
Mainframe Technical Specialist - COBOL, DB2, VSAM, JCL, CICS - HCLTech
Software Engineer
Lead design, development, and maintenance of IBM mainframe applications using COBOL, DB2, VSAM, JCL, and CICS, ensuring high performance and reliability across z/OS environments.
About the role
Key Responsibilities
- Design, develop, and maintain mainframe applications in COBOL, leveraging DB2, VSAM, and CICS components.
- Write and optimize JCL scripts for batch processing and job scheduling.
- Perform system administration tasks, including performance tuning, capacity planning, and fault resolution on z/OS platforms.
- Collaborate with cross‑functional teams to integrate IMS database solutions and ensure data integrity.
- Document application logic, configuration settings, and troubleshooting procedures for knowledge transfer.
Requirements
- Proven experience with IBM Mainframe technologies (z/OS, COBOL, JCL, CICS, VSAM).
- Strong knowledge of DB2 and IMS database administration.
- Hands‑on experience in mainframe performance tuning and system monitoring.
- Excellent communication skills and ability to manage client expectations.
- Detail‑oriented mindset with a focus on delivering high‑quality, stable solutions.