REMOTE - z/OS Mainframe Systems Programmer

Zachary Piper Solutions is seeking an z/OS Mainframe Systems Programmer to join a Federal Program working on a Remote Schedule. The z/OS Mainframe Systems Programmer will provide full lifecycle support for mainframe infrastructure, including planning, installation, configuration, maintenance, troubleshooting, and performance tuning.

Responsibilities of the z/OS Mainframe Systems Programmer:

• Provide day-to-day systems programming support for z/OS (2.5 and 3.1) and all related IBM and third-party products.
• Install, configure, and upgrade IBM z/OS components, including JES2, TCP/IP, VTAM, RACF, SMP/E, and IBM z/Workload Scheduler version 10.2.
• Support IBM enterprise servers across multiple generations of processors to include (z13 through z17), including Parallel Sysplex and Coupling Facility operations.
• Administer and optimize storage management (DFSMS, DFHSM, VSAM, DFSORT) and hardware configuration definitions (HCD, IODF/IOCDS).
• Provide systems support for middleware, including CICS, USS (OMVS, zFS, NFS, Apache), Debug Tools, and networking components.
• Provide information used to administer RACF security environments and integrate with Vanguard Security Solutions for enhanced compliance and auditing.
• Support third-party vendor software, including TCP/IP Monitor, VPS (LRS).
• Execute and document Disaster Recovery (DR) exercises; maintain DR readiness and audit compliance.
• Perform system performance monitoring and tuning using SMF, RMF, and other performance data analysis tools.
• Support all technical staff and engineers and provide knowledge transfer through structured documentation in Microsoft OneNote.
• Prepare and execute IPLs, HMC profile changes, and system parameter updates.

Qualifications of the z/OS Mainframe Systems Programmer:

• Strong expertise with Sysplex, Coupling Facility, JES2, SMP/E, TCP/IP, VTAM, RACF, CICS, USS, and IBM Workload Scheduler.
• Proven ability in performance tuning, SMF, RMF data analysis, and troubleshooting complex system issues.
• Experience working with IBM mainframe hardware from z13 to z17.
• Proficiency in COBOL (v6.2, v5.2, v4.2), Assembler, and REXX for utilities and automation.
• Strong PC/server background with ability to use modern tools for documentation, collaboration, and process management
• Experience with IBM z Workload Scheduler version 10, Vanguard Security Solutions.
• Familiarity with hybrid environments integrating the mainframe with distributed platforms.
• Knowledge of modern DevOps practices in mainframe operations.

Compensation for the z/OS Mainframe Systems Programmer:

• Salary Range: $115,000 + *flexible based on experience*
• Comprehensive Benefits: Medical, Dental, Vision, PTO, and Sick Leave as required by law
• Flexible working schedule
• Unlimited opportunities for growth

#LI-CJ2

#LI-REMOTE

Key Words: Programmer, programming, systems, operating systems, ibm, mainframe, federal, cleared, government, IT, information technology, ibm, zos, os, z, workload scheduler