Job Description

Job Summary (Mainframe Application Developer / Solution Architect - L3 Support Tech Lead)


- Lead Tier 3 mainframe application support for multiple telecom OSS systems (network planning, provisioning, dispatch, inventory, maintenance).
- Ensure 24/7 application stability, addressing production issues and system performance.
- Develop and maintain code in PL/I, Assembler, COBOL, SAS, REXX, CLIST, and JCL.
- Implement enhancements, bug fixes, and code vulnerability remediations.
- Perform platform upgrades (z/OS, DB2, IMS, SAS, Endevor) and support cross-team initiatives.
- Debug and resolve application abends using Abend-Aid, Fault Analyzer, and system dumps.
- Deploy changes through Endevor and manage source/version control processes.
- Support DB2 and IMS flows, including precompile, bind, and ACBGEN.
- Collaborate with Tier 1 and Tier 2 support teams on tickets, maintenance, and system interfaces.
- Provide technical leadership, guidance, and mentoring to team members.
- Reverse engineer from load modules as needed for troubleshooting and enhancements.
- Work onsite 3 days per week at designated location.



Required Experience & Skills


- 10 15 years IBM z/OS application support and team leadership.
- 5 7 years PL/I or COBOL development.
- Expertise in JCL, PROCs, REXX, CLIST, ISPF, SDSF.
- Strong experience with DB2 static SQL and IMS DB/DC.
- Proficient in Endevor or similar version control tools.
- Experience in reverse engineering and production support for critical systems.



Preferred/Good to Have


- Telecom OSS systems experience.
- SAS on z/OS and advanced dump analysis tools.
- Experience in 24/7 production support environments.
- Integration experience across IMS, DB2, and distributed/mainframe systems.
- Familiarity with NDM/Connect:Direct, MQ, SFTP, ZLinux, and USS.



Education: Bachelor's Degree in Engineering (BE required).

Job Tags

3 days per week,

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