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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 ...

Info Way Solutions

mainframe developer to cloud

Fremont, CA · On-site

$53.75 - $69.25/hr

Info Way Solutions is seeking a Senior Mainframe Developer to facilitate the transfer of applications from mainframe to cloud environments. The role involves optimizing mainframe applications ...

Calance US

Mainframe Developer $66.50

Torrance, CA · On-site

$66.65/hr

We are hiring Mainframe Developer $66.50 for a Contract position in Torrance, CA CALL US NOW for immediate consideration! Click Apply on Web or Apply Now to view our recruiter s contact info and ...

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 ...

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Mainframe Operator information

See California salary details

$9

$52

$71

How much do mainframe operator jobs pay per hour?

As of Sep 10, 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.

Are mainframe operator jobs in demand?

Mainframe operator jobs are in steady demand in industries such as finance, government, and healthcare that rely on large-scale legacy systems. These roles require knowledge of mainframe environments, such as IBM z/OS, and often involve maintaining and troubleshooting critical data processing tasks. While automation has reduced some positions, experienced operators with skills in mainframe security and scripting remain valuable.

What does a mainframe operator do?

A mainframe operator manages and monitors large-scale computer systems known as mainframes, ensuring their smooth operation, performing routine maintenance, and troubleshooting issues. They often use specialized software and follow strict procedures to maintain system security and performance, typically working in data centers or IT environments with shift schedules. Certification in mainframe technologies can enhance job prospects.

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 September 2026, with employment types broken down into 81% Full Time, 3% Temporary, and 16% Contract. Highlights an 87% In-person, 8% Hybrid, and 5% Remote job distribution, with an average salary of $109,572 per year, or $52.7 per hour.

Mainframe Consultant

Irwindale, CA • On-site

Sonsoft Inc
IT Services • 51 - 200 employees
Learn more about Sonsoft Incexternal

Full-time

Re-posted 7 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.
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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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