Overview
Skills
Job Details
Title: Mainframe z/OS Systems Programmer (TSS - Top Secret Security & REXX)
Location: Austin, TX (Remote)
Client: Railroad Commission of Texas
Duration: 09 Months
Due date: 12/03/2025
Rate: $75/hr on C2C
Job Description:
The Worker will apply their expert knowledge and experience as a Mainframe z/OS Systems Programmer to support both the needs of the Legacy Systems as well as those for the Mainframe Transformation Team.
- Provide primary support as the subject matter expert for z/OS operating systems and system components; provide direct technical support as needed in the planning, implementation and testing of releases, upgrades, or changes to z/OS operating system, network, and component software.
- Provide end user support for assigned Independent Software Vendor (ISV) products such as BlueZone.
- provide primary administration and end user support for SCLM.
- Provide input and recommendations for hardware capacity planning.
- Provide primary administrative support for CICS and IMS .
- Diagnose platform, software and related product issues and follow up with root cause analysis.
- Analyze performance issues and provide input and recommendations for capacity planning.
- Provide input and recommendations for system-wide performance tuning to meet required levels of service.
- Provide input and recommendations for system parameters and system libraries management.
- Provide support for technical consultation and inquiries from the other IT technical teams.
- Provide support as technical lead on internal team projects or participate on project teams that impact the z/OS platform.
- Provide support for Integration-testing new products with existing applications and user procedures.
- Assist with maintaining and providing technical support for Mainframe Production Control and Support Jobs and monthly Mainframe Job Scheduler.
Required skills:
8 Years of Experience with z/OS Systems Programming
5 Years of Experience with JES2, z/OS Unix System Services (OMVS), Storage Management Subsystem (SMS)
3 Years of Experience with TSS (Top Secret Security)
3 Years of Experience with performance monitoring to include initial analysis of performance issues
2 Years of Experience with REXX
Preferred skills:
3 Years of Experience with Informatica Power Exchange Administration
3 Years of Working knowledge for each of the following: z/OS Operation z/OS Networking VTAM (Virtual Telecommunications Access Method), TCP/IP (Transmission Control Protocol/Internet Protocol)
3 Years of Working knowledge for each of the following: z/OS-centric automated job scheduling and management software (JOBTRAC) Terminal Emulator Software (BLUEZONE) VTAM Session Manager Software (VTAM/SWITCH)
3 Years of Working knowledge for each of the following: SMP/E (System Modification Program/Extended) RMF (Resource Measurement Facility) SMF (System Management Facility) WLM (Workload Management) JCL (Job Control Language)
3 Years of Working knowledge for each of the following: GRS (Global Resource Serialization) VSAM (Virtual Storage Access Method) TSO (Time Sharing Option)
3 Years of Experience with TLS configuration (certificates, SSL RSA Keys, SFTP, FTPS)
3 Years of Experience with SCLM (or other similar configuration management tools), specifically configuration and administration of SCLM
3 Years of Experience with CPM for JOBTRAC