Network Engineer with Mainframe

Position: Network / System Engineer III

Location: Chandler, AZ 85224 ( Hybrid )

Contract

Required Qualifications:
- Strong experience configuring, maintaining, and supporting the z/OS operating system, including installing new releases, applying maintenance, and managing PTFs, APARs, and USERMODs using System Modification Program Extended (SMP/E).
- Proficient in developing and maintaining system utilities, exits, and automation using REXX and Basic Assembly Language (BAL/Assembler).
- Demonstrated experience administering z/OS UNIX System Services (USS), including file system management, permissions, scripting, and zFS configuration and support.
- Hands-on experience configuring and supporting JES2, including job class definitions, initiator management, spool tuning, and workload controls.
- Strong working knowledge of TSO/ISPF, including panel usage, utility execution, and support for system programming and operational tasks.
- Hands-on experience configuring and managing logical partitions (LPARs) and processor resources using the Hardware Management Console (HMC).
- Demonstrated ability to diagnose and resolve system-level issues, including abends, dumps, hardware errors, and performance problems, using IPCS, EREP, and RMF tools

Mandate skills:

z/OS, SMP/E, REXX, JES2, TSO/ISPF