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Advisory SW Engineer.Research & Development

Boulder, CO 80301

Posted: 09/28/23 Employment Type: 12 Months Industry: Other Job Number: 26000

Job Description

Experienced zOS systems programmer (IBM Mainframe Systems)

There will be no extensive lifting, walking or standing. No Covid mandate on vax.


Client Technology and Solutions Development, located in Boulder Colorado, is seeking an experienced zOS systems programmer (IBM Mainframe Systems technical skills and knowledge.

  • Successful candidate will be performing the tasks of a zOS Systems Programmer maintaining and upgrading the zOS Operating System and supporting users.
  • This assignment is a hybrid position, located in Boulder Colorado, where the candidate may need to come on site periodically.
  • We would consider a remote worker (U.S.) for the right candidate that contains the required z/OS skills and technical knowledge.
  • Position requires U.S Citizenship.
  • Prefer Part time worker (3 days per week).
  • There is no extensive lifting, standing, or walking. No driving is required as well. Dress code is casual business attire.


  • Mainframe zOS systems software programming experience and expertise
  • Experience working with hardware to include a basic understanding of FICON/ESCON connectivity, DASD architecture [alias (PAV) management, cryptographic coprocessors, data encryption techniques] and virtual (VTS) tape libraries.
  • zOS experience with catalog management, ISPF/SDSF, z/FS Filesystems, Unix System Services, RACF, JES parameters, SYS1.PARMLIB, SYS1.PROCLIB members.
  • zOS SYSPLEX management including couple dataset definition and coupling facilities.
  • Dataset/Storage/Disk/Tape management (allocation, backup, restore, etc.) including DFDSS, DFSMS storage constructs, DFHSM Mgmt/Cleanup, DFRMM, XCF, System Logger, etc.
  • Ability to debug and resolve Mainframe operating system software issues (across older to current z/OS levels)
  • Work well in a team environment
  • Ability to teach and assist users and other team members
  • Availability to work some weekend / off-shift coverage and maintenance windows
  • Deep knowledge of zOS and JES System Programming



  • VTAM and TCPIP, OSA and Virtual Interfaces, HiperSockets and VSWITCH
  • System operator experience
  • zOS experience with JES2 and JES3
  • zVM system experience
  • Linux on z System
  • zCX (z/OS Container Extensions) Linux on z/OS
  • Experience providing z/VM hosting support for z/OS and z/VSE Guest systems.
  • zVSE Mainframe systems software programming experience and knowledge
  • DS8000 Disk Subsystem, FlashCopy
  • RACF Security
  • Experience using z/OSMF and Workflows



  • Bachelor's degree preferred with at least 5 -- 7 years of work experience, or equivalent zOS experience.
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