Mainframe Os Systems Programmer

**Req ID**: ******
We are currently seeking a Mainframe OS Systems Programmer to join our team in Guadalajara, Jalisco (MX-JAL), Mexico (MX).
Comprehensive responsibility breakdown, skills matrix and soft skills for a **Mainframe z/OS Systems Programmer** specializing in **hardware refresh, product upgrades, and software lifecycle management** using advanced tools like **SMP/E, z/OSMF, Broadcom, IBM, and BMC utilities.
**
**Years of experience required**: +15 yrs
**Responsibilities**:
**Operating System Knowledge**
Deep mastery of z/OS architecture, including IPL procedures, JES2/JES3 configurations, Sysplex management, SMF data collection, and parmlib customization.
**Programming Skills**
Proficient in writing and debugging system-level routines and automation:
- Assembler for exits and control blocks
- REXX for scripting and batch utilities
- JCL for job submission, parameterization, and workflow control
**System Administration**...