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Ibm Mainframe Computer Operator Jobs in Arizona (NOW HIRING)

Kyndryl

Mainframe ZOS System Programmer

Phoenix, AZ · On-site

$79K - $152K/yr

The Role The Mainframe z/OS System Programmer is responsible for the installation, customization ... Install, configure, and maintain IBM z/OS operating systems. * Perform system upgrades, migrations ...

Kyndryl

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 ... Install, configure, and maintain IBM z/OS operating systems. * Perform system upgrades, migrations ...

Doist

Mainframe ZOS System Programmer

Phoenix, AZ · On-site

$110 - $150/hr

Mainframe ZOS System Programmer Location: Phoenix, AZ * * This role requires employees to live in ... Install, configure, and maintain IBM z/OS operating systems. Perform system upgrades, migrations (e ...

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How much do ibm mainframe computer operator jobs pay per hour?

As of Sep 4, 2026, the average hourly pay for ibm mainframe computer operator in Arizona is $49.74, according to ZipRecruiter salary data. Most workers in this role earn between $43.89 and $56.44 per hour, depending on experience, location, and employer.

What is an IBM mainframe computer operator?

An IBM Mainframe Computer Operator monitors and controls mainframe computer systems, ensuring they run efficiently and without errors. They perform batch processing, troubleshoot system malfunctions, and follow operational procedures to maintain uptime. Operators may also handle backups, schedule jobs, and work with system administrators to resolve technical issues. This role is essential for businesses relying on mainframes for critical operations.

What are the typical daily responsibilities of an IBM mainframe computer operator?

As an IBM Mainframe Computer Operator, your daily tasks typically include monitoring mainframe systems, executing and troubleshooting batch jobs, and responding to system alerts or hardware issues. You'll often work closely with other IT staff to ensure scheduled processes complete successfully and help resolve incidents that may impact business operations. Routine duties may also involve maintaining logs, performing system backups, and following established operating procedures to support organizational data integrity. The role usually operates in shifts, given the need for round-the-clock system availability, and may require occasional overtime or weekend work.

What are the key skills and qualifications needed to thrive in the IBM mainframe computer operator position, and why are they important?

To thrive as an IBM Mainframe Computer Operator, you need a solid understanding of mainframe operating systems, batch processing, and job scheduling, often supported by a degree in computer science or related IT certifications. Familiarity with tools such as IBM z/OS, JCL (Job Control Language), and mainframe monitoring software is typically required. Attention to detail, problem-solving abilities, and effective communication are essential soft skills for this position. These competencies ensure that mainframe operations run smoothly, errors are minimized, and mission-critical systems remain reliable in high-demand environments.

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Ibm Mainframe Computer Operator jobs near you
Infographic showing various Ibm Mainframe Computer Operator job openings in Arizona as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 15% Part Time, 2% Contract, and 1% Nights. Highlights an 81% Physical, 2% Hybrid, and 17% Remote job distribution, with an average salary of $103,464 per year, or $49.7 per hour.

Mainframe ZOS System Programmer

Delan Associates, Inc

Phoenix, AZ • On-site

$54.50 - $69.50/hr

Full-time

Posted 29 days ago

Job description

Job Title: Mainframe ZOS System Programmer

Location: Phoenix, AZ


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.

* This role requires employees to live in or around the Phoenix, AZ area. You will be responsible to be onsite 3 days a week. We will consider candidates who are willing to relocate to the area.

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