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Taking People, Process and Technology to the Next Level
Mainframe Systems Programmer
Location
California
Posted
100 days ago
Salary
0
Seniority
Senior
Job Description
Mainframe Systems Programmer
Apogee Global RMS
• Install, customize, and maintain z/OS and related IBM subsystems. • Manage SMP/E, system upgrades, patching, and maintenance cycles. • Configure system parameters, parmlib members, exits, and JES2/JES3 environments. • Support and tune core components such as VTAM, TCP/IP, RACF, DB2, CICS, IMS, MQ, or equivalent. • Troubleshoot subsystem performance, availability, and integration issues. • Maintain catalog structures, storage classes, and data management utilities. • Analyze system performance, capacity, and utilization trends. • Implement automation tools and procedures to improve operational efficiency. • Support IPL processes, disaster recovery testing, and system cloning activities. • Troubleshoot complex system issues across hardware, OS, and middleware layers. • Collaborate with application, network, and security teams to ensure end‑to‑end stability. • Maintain documentation, standards, and operational runbooks.
Job Requirements
- 5–12+ years of experience as a Mainframe Systems Programmer.
- Strong hands‑on experience with z/OS, SMP/E, JES2/JES3, and IBM mainframe utilities.
- Experience supporting one or more subsystems: CICS, IMS, DB2, MQ, RACF, VTAM, TCP/IP.
- Solid understanding of mainframe storage, catalog management, and performance tuning.
- Strong diagnostic and problem‑solving skills using IBM tools and logs.
- Preferred Qualifications: Experience with mainframe modernization or hybrid integration initiatives.
- Familiarity with REXX, CLIST, or automation scripting.
- Exposure to DR orchestration, GDPS, or sysplex environments.
- Relevant IBM certifications.
- Soft Skills: Strong ownership mindset and operational discipline.
- Ability to communicate clearly with cross‑functional engineering teams.
- Structured problem‑solving and documentation habits.
- Commitment to stability, performance, and continuous improvement.
Benefits
- Access to high‑impact roles supporting enterprise‑scale infrastructure.
- Transparent communication and a streamlined hiring experience.
- Opportunities to work on modernization, optimization, and mission‑critical systems.
- A people‑first approach backed by disciplined talent operations
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