Java with Mainframe developer

2 weeks ago

Chennai, Tamil Nadu, India Alp Consulting Ltd. Full time ₹ 15,00,000 - ₹ 20,00,000 per year

Bachelor's or Master's degree in Computer Science, Software Engineering, or a related field.


• 8+ years of professional Java development experience, with 5+ years specifically on IBM z/OS.


• 08/26/2025 Page 5 of 8 Deep knowledge of JVM performance tuning on z/OS, including heap sizing, GC policies, zAAP/zIIP processor utilization, and WLM workload classification.


• Strong proficiency with JNI for interfacing Java with COBOL/C/C++ modules.


• Expertise in JDBC, SQLJ, DB2 for z/OS, and mainframe database performance tuning.


• Solid hands-on experience with USS (UNIX System Services), JCL, and TSO/ISPF.


• Working knowledge of LE (Language Environment) and how Java integrates with native z/OS programs.


• Familiarity with SMF, RMF, SDSF, and performance analysis tools like IBM OMEGAMON, MainView, or BMC tools.

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