Mainframe Systems Programmer

Description

Apogee Global RMS is looking for a Senior Mainframe Systems Programmer who will be responsible for installing, configuring, maintaining, and optimizing z/OS mainframe environments that support mission critical enterprise workloads. This role requires strong technical ownership, deep understanding of IBM mainframe subsystems, and the ability to ensure high availability, performance, and security across complex infrastructure.

Key Responsibilities:

Core Systems Programming

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.

Subsystem & Middleware Support

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.

Performance, Monitoring & Automation

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.

Operations & Incident Management

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.

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

Why Work Through Apogee Global RMS

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

How to Apply:

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