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Mainframe Operator Jobs in California (NOW HIRING)

Sonsoft Inc

Mainframe Consultant

Irwindale, CA · On-site

At least 5 years of experience in Mainframe Technologies (COBOL, CICS, JCL, DB2) * At least 5 years of experience in handling reports and file systems in Mainframe * At least 3 years of experience in ...

iSpace, Inc

Senior Mainframe COBOL Developer

Los Angeles, CA · On-site

$52.75 - $68/hr

We are Seeking a Senior Mainframe COBOL Developer with a strong background in enterprise financial systems. The ideal candidate will support mission-critical mainframe applications, troubleshoot ...

Broadcom

Sr Mainframe Technical Consultant

Petaluma, CA · On-site

SYSVIEW, OPS/MVS, NetMaster, Mainframe Application Tuner, etc., that is, a specialist of the highest technical caliber. The senior consultant provides assistance and recommendations to management and ...

Broadcom

SYSVIEW, OPS/MVS, NetMaster, Mainframe Application Tuner, etc., that is, a specialist of the highest technical caliber. The senior consultant provides assistance and recommendations to management and ...

Broadcom

Sr Mainframe Technical Consultant

San Jose, CA · On-site

SYSVIEW, OPS/MVS, NetMaster, Mainframe Application Tuner, etc., that is, a specialist of the highest technical caliber. The senior consultant provides assistance and recommendations to management and ...

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How much do mainframe operator jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for mainframe operator in California is $52.68, according to ZipRecruiter salary data. Most workers in this role earn between $46.49 and $59.81 per hour, depending on experience, location, and employer.

What is a mainframe operator?

A Mainframe Operator monitors and controls mainframe computer systems, ensuring they run efficiently and without issues. They oversee batch processing, troubleshoot system errors, manage job scheduling, and perform routine maintenance. Their role is critical in maintaining uptime and performance for large-scale business operations. They also collaborate with IT teams to address system failures and optimize processes.

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

To thrive as a Mainframe Operator, you need a solid understanding of mainframe systems operations, batch processing, and problem-solving, often supported by an associate degree in IT or related experience. Familiarity with operating systems such as z/OS, job scheduling tools like CA-7 or Control-M, and knowledge of system monitoring utilities are typical requirements, with relevant certifications like IBM Mainframe Operator being a plus. Strong attention to detail, adaptability under pressure, and effective communication help operators excel in coordinating tasks and responding to issues. These skills ensure smooth, reliable mainframe operations that are critical for supporting core business functions.

What does a typical work shift look like for a mainframe operator?

A typical work shift for a Mainframe Operator can involve monitoring system performance, executing scheduled jobs, troubleshooting unexpected errors, and resolving user-reported issues. Many organizations operate their mainframes 24/7, so you may be expected to work evening, night, or weekend shifts as part of a rotating team. Collaboration with network administrators, systems programmers, and technical support staff is common to ensure system reliability and quick issue resolution. Throughout your shift, you'll need to document incidents and maintain communication logs for seamless transitions between shifts. This environment requires reliability, alertness, and a proactive approach to keeping core business processes running smoothly.

What are the most commonly searched types of Mainframe Operator jobs in California?

The most popular types of Mainframe Operator jobs in California are:

What are popular job titles related to Mainframe Operator jobs in California?

For Mainframe Operator jobs in California, the most frequently searched job titles are:

What job categories do people searching Mainframe Operator jobs in California look for?

The top searched job categories for Mainframe Operator jobs in California are:

What cities in California are hiring for Mainframe Operator jobs?

Cities in California with the most Mainframe Operator job openings:

Mainframe Operator jobs near you
Infographic showing various Mainframe Operator job openings in California as of August 2026, with employment types broken down into 2% As Needed, 75% Full Time, 6% Temporary, and 17% Contract. Highlights an 92% In-person, 2% Hybrid, and 6% Remote job distribution, with an average salary of $109,572 per year, or $52.7 per hour.

Mainframe Consultant

Sonsoft Inc

Irwindale, CA • On-site

Full-time

Re-posted 12 days ago

Job description

Company Description

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Job Description
  • At least 5 years of experience in Mainframe Technologies (COBOL, CICS, JCL, DB2)
  • At least 5 years of experience in handling reports and file systems in Mainframe
  • At least 3 years of experience in writing queries in RDBMS like DB2, Oracle
  • At least 1 years of experience in Middleware Technologies/tools(MQ, PI, DataPower etc)
  • At least 2 years of experience in CICS Web services and Power Builder.
  • At least 1 year of experince in Mainframe based debugging tools like IBM Debug Tool, Xpeditor etc
  • At least 1 year of experience in Design, code, test and clearly document all the deliverables
  • Knowledge of Customer Service information system for Utility Industry in the areas of Account management, Billing, Credit, Collections
  • Ability to work in team in diverse/ multiple stakeholder environment
  • Experience in Electric Utility domain
  • Experience and desire to work in a Global delivery environment
Qualifications
  • Bachelor's degree or foreign equivalent required from an accredited institution. Will also consider three years of progressive experience in the specialty in lieu of every year of education.
  • At least 4 years of experience with Information Technology.
Additional Information

** U.S. citizens and those authorized to work in the U.S. are encouraged to apply. We are unable to sponsor at this time.

Note:-

  1. This is a Full-Time Permanent job opportunity for you.
  2. Only US Citizen, Green Card Holder, GC-EAD, H4-EAD & L2-EAD can apply.
  3. No OPT-EAD, TN Visa & H1B Consultants please.
  4. Please mention your Visa Status in your email or resume.
Sonsoft logo

About Sonsoft

Sourced by ZipRecruiter

Sonsoft , Inc. is a USA based corporation duly organized under the laws of the Commonwealth of Georgia. Sonsoft Inc. is growing at a steady pace specializing in the fields of Software Development, Software Consultancy and Information Technology Enabled Services.

Industry

It services

Company size

51 - 200 Employees

Headquarters location

Alpharetta, GA, US

Year founded

2007

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