Software Dev. Sr. Specialist Advisor

Upgrade, and maintain VSE / zVSE operating systems, system software, and tools. Apply patches, maintenance updates, and corrective services as required Install any CICS utilities or any other products in VSE environment Support and manage mainframe subsystems including VTAM and VSAM Troubleshoot system issues, performance problems, and production incidents Maintain documentation for system changes, configurations, and procedures Collaborate with application, operations, and vendor teams on system-related needs. Participate in on-call support for critical mainframe environments. Experience with VSE / zVSE system programming. Knowledge of VTAM, VSAM, JCL, and system utilities. Strong problem-solving and troubleshooting skills. Ability to work collaboratively with technical teams. Familiarity with COBOL or Assembler environments.