Title: Mainframe z/OS Systems Programmer
Location: Boulder, CO (REMOTE)
Duration: 12 Months
Part-time worker (3 days per week) 24 Hours
REQUIRED SKILLS:
• Mainframe z/OS 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
PREFERRED SKILLS:
• 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, Tape Library
• RACF Security
• Experience using z/OSMF and Workflows
EDUCATION / CERTIFICATIONS:
• Bachelor's degree preferred with at least 5 -- 7 years of work experience, or equivalent z/OS experience.
