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. Apply tot his job Apply To this Job