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Mainframe Z Os System Programmer Jobs in Arizona

Mainframe System Programmer

Phoenix, AZ · On-site

$54.50 - $69.50/hr

Mainframe ZOS System Programmer Phoenix , AZ (onsite) The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating ...

Senior z/OS System Programmer Main location(s): Chandler, AZ Manager open to candidates in other ... Evaluate and validate third-party mainframe software and tools for enterprise adoption and ...

The Role The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ...

Required : • 12+ years of professional work experience as a Mainframe System Programmer in zOS ... z/OS V2.5 upgrades or later with z/OSMF workflow execution. • IODF, HCD Skillset to add new ...

Mainframe ZOS System Programmer

Phoenix, AZ · On-site +1

$79K - $152K/yr

The Role The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ...

The Role The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ...

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Mainframe Z Os System Programmer information

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How much do mainframe z os system programmer jobs pay per hour?

As of Aug 19, 2026, the average hourly pay for mainframe z os system programmer in Arizona is $54.21, according to ZipRecruiter salary data. Most workers in this role earn between $49.28 and $62.74 per hour, depending on experience, location, and employer.

What is a mainframe z/os system programmer?

A Mainframe Z OS System Programmer is an IT professional responsible for installing, configuring, maintaining, and troubleshooting IBM mainframe systems running the z/OS operating system. They ensure the mainframe environment is stable, secure, and optimized for performance, supporting critical business applications. Their duties include system upgrades, applying patches, disaster recovery planning, and providing technical support to other IT teams. This role is crucial for organizations that rely on mainframe computing for large-scale transaction processing and data management.

What are the key skills and qualifications needed to thrive as a mainframe z/os system programmer?

To thrive as a Mainframe Z/OS System Programmer, you need deep expertise in IBM mainframe operating systems, programming languages like Assembler and REXX, and a strong foundation in systems administration, usually supported by a relevant degree or equivalent experience. Familiarity with tools such as IBM SMP/E, TSO/ISPF, JCL, and mainframe security systems is essential, and certifications like IBM Certified System Programmer can be beneficial. Analytical thinking, attention to detail, and effective problem-solving are key soft skills that help professionals excel in troubleshooting and collaborating with technical teams. These skills and qualifications are crucial for ensuring reliable, secure, and efficient mainframe operations that support critical business processes.

What are some common challenges faced by mainframe z/os system programmers, and how can they be addressed?

Mainframe Z/OS System Programmers often encounter challenges such as managing system upgrades, ensuring high availability, and troubleshooting complex performance issues. Keeping up with evolving technologies and integrating new software with legacy systems can also be demanding. To address these challenges, programmers typically work closely with application developers, attend ongoing training, and utilize robust monitoring tools. Collaboration and strong communication within cross-functional teams are key to maintaining system stability and implementing updates smoothly.

What are popular job titles related to Mainframe Z Os System Programmer jobs in Arizona?

For Mainframe Z Os System Programmer jobs in Arizona, the most frequently searched job titles are:

What job categories do people searching Mainframe Z Os System Programmer jobs in Arizona look for?

The top searched job categories for Mainframe Z Os System Programmer jobs in Arizona are:

Infographic showing various Mainframe Z Os System Programmer job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 84% Full Time, 11% Part Time, 2% Temporary, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $112,764 per year, or $54.2 per hour.

Mainframe z/OS System Programmer

Infinite Computer Solutions (ICS)

Phoenix, AZ • On-site

$54.50 - $69.50/hr

Other

Posted 8 days ago


Infinite Computer Solutions rating

7.2

Company rating: 7.2 out of 10

Based on 8 frontline employees who took The Breakroom Quiz

136th of 224 rated it services


Job description

We're seeking for an Mainframe z/OS System Programmer for our direct client. Please review the below job Description and revert with your interest for the same.

Job Details:

Role: Mainframe z/OS System Programmer

Location : Phoenix, AZ metro area; hybrid working model (3 days week)

Start date : ASAP

Contract to hire

The Role:

The Mainframe z/OS System Programmer is responsible for the installation, customization, maintenance, and optimization of IBM z/OS operating systems and associated system software. This role ensures the stability, performance, security, and availability of mission-critical mainframe environments, supporting large-scale enterprise applications.

Responsibilities:

System Administration & Maintenance:

  • Install, configure, and maintain IBM z/OS operating systems.
  • Perform system upgrades, migrations (e.g., z/OS version upgrades), and apply maintenance (PTFs, APARs, RSUs).
  • Manage IPL processes, system initialization, and configuration (PARMLIB, PROCLIB, SYS1 datasets).
  • Monitor system health and performance using tools such as RMF, SMF, SDSF.

Subsystem Support:

  • Install, configure, and support key subsystems:
    • JES2/JES3
    • TSO/E, ISPF
    • USS (Unix System Services)
    • RACF (in coordination with security teams)
  • Work closely with DB2, CICS, IMS, MQ, and Storage teams for integration and support.

Performance & Capacity Management:

  • Analyze system performance metrics and implement tuning improvements.
  • Support capacity planning and resource optimization (CPU, memory, I/O).
  • Evaluate hardware upgrades (e.g., CPU/MIPS growth, z-series enhancements).

Problem Management & Troubleshooting:

  • Diagnose and resolve system-related issues, including system abends and failures.
  • Perform root cause analysis for outages and major incidents.
  • Work with IBM and vendors on problem determination and fixes.

Automation & Scheduling:

  • Develop and maintain automation using tools such as:
    • System REXX, CLIST
    • SA z/OS, NetView
  • Support job scheduling tools (e.g., CA7, Control-M where applicable).

Security & Compliance:

  • Support system-level security configurations aligned with RACF policies.
  • Ensure compliance with audit, regulatory, and enterprise security standards.
  • Assist in vulnerability remediation and patching activities.

Change & Release Management:

  • Execute changes through ITIL-based processes (ServiceNow or equivalent).
  • Prepare implementation plans, backout procedures, and validation steps.
  • Support weekend maintenance windows and IPL activities.

Documentation:

  • Create and maintain technical documentation, including:
    • System configurations
    • Standard Operating Procedures (SOPs)
      • Disaster Recovery plans

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