z/OS Systems Programmer (Part-Time or Full-Time)

• Type: W2, Contract-to-Hire, 12+ months.

• Location: Remote (U.S. only) or hybrid in Boulder, CO; local preferred; free parking if onsite.
• Schedule: Part-time preferred (~24 hours/week, 3 days/week); full-time considered.

Role Summary:

• Maintain, upgrade, and support IBM z/OS operating systems across complex environments.
• Troubleshoot and resolve system-level issues to ensure stability, performance, and uptime.
• Install and configure IBM and ISV software using standard tooling and workflows.
• Educate and assist users and team members on z/OS capabilities and best practices.
• Provide documentation, technical guidance, and support across the software lifecycle.
• Participate in scheduled maintenance windows, including occasional off-hours or weekends.
• Work independently and collaboratively within a small team of senior technical professionals.
• ssume additional responsibilities as assigned.

Technical Requirements (Core):

• Extensive hands-on z/OS systems programming experience (not operations and not application development).
• Catalog management, ISPF/SDSF, and z/FS.
• Unix System Services (USS).
• JES2 and/or JES3; familiarity with SYS1.PARMLIB and SYS1.PROCLIB.
• Configuration of couple data sets.
• RACF administration, including user IDs, groups, certificates, resources, and key rings.
• IBM software installation via ServerPac, z/OSMF, and CBPDO.
• DFSMS, DFHSM, DFDSS, DFRMM, System Logger, and XCF.
• DASD architecture, FICON/ESCON, cryptographic coprocessors, and virtual tape libraries (VTLs).
• Proven ability to own z/OS tasks end-to-end with minimal oversight.

Preferred Skills:

• VTAM, TCP/IP, and OSA.
• z/VM systems programming.
• Linux on z Systems and zCX (Container Extensions).
• DS8000, FlashCopy, and tape libraries.
• DFSMS Client routine and construct management.

Behavioral and Functional Skills:

• Strong problem solving, debugging, and root-cause analysis skills.
• Clear written and verbal communication with mentoring abilities.
• bility to work independently and within a collaborative, senior team environment.
• Documentation-driven approach with attention to quality and compliance.

Education and Experience:

• Bachelor's degree preferred or equivalent experience.
• Minimum 5-7 years of direct z/OS systems programming experience.

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