Hybrid Principal - Software Engineering (Johannesburg, GT, ZA) na LTIMindtree

Were seeking a highly skilled Senior Assembler Programmer with deep expertise in HLASM development in zOS environments This role supports lowlevel system programming and performancesensitive banking and insurance applications such as transaction authorization batch reconciliation and legacy claim processing

Key Responsibilities

Design develop and maintain HLASM programs interfacing with CICS IMS or batch processes

Reverseengineer legacy assembler code for businesscritical applications eg payment settlement policy adjudication

Optimize lowlevel routines for memory speed and IO in large transaction systems

Analyze and debug system and application abends using IPCS SYSPRINT dumps etc

Create and maintain system exits user exits and assemblerbased subroutines integrated with COBOLPLI programs

Collaborate with Systems Programming DB2IMS teams and Application Development for performance tuning

Ensure compliance with data privacy and security regulations eg PCIDSS HIPAA

Understand mainframe architectures and systemlevel programming concepts to work effectively with the operating system like zOS and hardware

Design optimize and manage Job Control Language JCL for complex batch processing data handling and mainframe utilities

Perform systemlevel debugging troubleshooting and optimization to ensure the stability and performance of Assemblerbased applications and mainframe systems

Work closely with crossfunctional teams including system analysts application developers and operations teams to understand requirements translate them into technical specifications and implement solutions

Create and maintain clear technical documentation including code comments system diagrams and user guides

Provide essential production support for mainframe environments which may include participating in production support rotations diagnosing reproducing and resolving customer issues

Ensure code complies with organizational standards and best practices for security performance and maintainability Adhere to security and control and change control processes

Provide support for batch cycles weekend releases and financial yearend processing

Key Responsibilities

Experience with COBOL or other mainframe languages

Strong working knowledge of IBM MQSeries for messaging and integration

Familiarity with mainframe automation tools or ITIL processes

Exposure to modernization projects eg reengineering or replatforming mainframe workloads

Understanding of Agile methodologies and DevOps for mainframe eg Endevor Git Jenkins for zOS

Knowledge of IBM zOS internals storage and file systems VSAM zFS etc

Experience in Problem diagnosis dump reading and debugging with IPCS a plus

Knowledge of REXX