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Mainframe Tester Jobs in California (NOW HIRING)

... testing methodologies. o Identify areas for process improvement; drive initiatives to enhance QA ... Work Experience: 5+ or more years of experience in Mainframe software development or a related ...

Proficient with REXX scripting and JCL, alongside modern mainframe DevOps tools - including Zowe (Zowe CLI, API/ML, Code4z extensions like Explorer for Endevor and Zowe Explorer) and testing suites ...

Testing Manager

Rancho Cordova, CA · On-site

$120K - $145K/yr

A minimum of three (3) years within the past seven (7) years leading system testing for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

Testing Manager

Rancho Cordova, CA · On-site

$118K - $143K/yr

A minimum of three (3) years within the past seven (7) years leading system testing for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

Testing Manager

Rancho Cordova, CA · On-site

$118K - $143K/yr

A minimum of three (3) years within the past seven (7) years leading system testing for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

Testing Manager

Rancho Cordova, CA · On-site

$120K - $145K/yr

A minimum of three (3) years within the past seven (7) years leading system testing for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

Showing results 21-40

Mainframe Tester information

See California salary details

$18

$42

$69

How much do mainframe tester jobs pay per hour?

As of Aug 23, 2026, the average hourly pay for mainframe tester in California is $42.94, according to ZipRecruiter salary data. Most workers in this role earn between $32.98 and $51.73 per hour, depending on experience, location, and employer.

What is a mainframe tester?

A Mainframe Tester is responsible for testing applications running on mainframe systems to ensure their functionality, reliability, and security. They create and execute test cases, validate data processing, and identify defects in mainframe applications. They work with technologies like COBOL, JCL, DB2, and CICS to test batch and online processes. Their role is critical in industries like banking, insurance, and healthcare, where mainframes handle large-scale transaction processing. The tester collaborates with developers and business analysts to ensure the applications meet business requirements.

What are the typical responsibilities and daily tasks of a mainframe tester?

Mainframe Testers are primarily responsible for designing, developing, and executing test cases on mainframe applications to ensure their accuracy and performance. On a daily basis, you might review requirements, create test data, identify defects, and work closely with developers to resolve coding issues. The role often involves collaborating with business analysts and system architects to understand the application's functionality and ensure compliance with business and technical standards. Mainframe Testers frequently use specialized testing tools and may participate in both manual and automated testing cycles. This collaborative and detail-oriented environment helps ensure high-quality and reliable mainframe systems for the organization.

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

A Mainframe Tester needs strong analytical abilities, proficiency in mainframe environments (such as IBM z/OS), and knowledge of programming languages like COBOL, JCL, and SQL, often supported by a degree in computer science or a related field. Experience with test automation tools (e.g., IBM Rational, CA tools), debugging utilities, and relevant certifications like ISTQB can be highly beneficial. Excellent problem-solving skills, attention to detail, teamwork, and effective communication help testers excel in cross-functional teams. These skills and qualities are crucial for ensuring reliability, compliance, and performance of mission-critical mainframe systems in large organizations.

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

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

What cities in California are hiring for Mainframe Tester jobs?

Cities in California with the most Mainframe Tester job openings:

Infographic showing various Mainframe Tester job openings in California as of August 2026, with employment types broken down into 80% Full Time, 14% Part Time, and 6% Contract. Highlights an 57% Physical, 2% Hybrid, and 41% Remote job distribution, with an average salary of $89,305 per year, or $42.9 per hour.

Mainframe Developer (Micro focus Rehosting experience with COBOL, CICS and JCL) - Long Beach, CA

Info-Ways

Long Beach, CA

$51.50 - $66.25/hr

Contractor

Re-posted 24 days ago


Job description

Company Description

IT

Job Description

 Role: Mainframe Developer (Micro focus Rehosting experience with COBOL, CICS and JCL)
Location: Long Beach, CA
Duration: 6+ Months
BGV will be done for the selected candidates.
Roles and responsibilities:
Strong Mainframe application developer and tester
Excellent Knowledge of IMS DB/DC, COBOL, JCL, DB2
REXX tooling experience
Good analytical skills
Onsite and Offshore coordination
Good communication - communicate with customer and team member
Desirable skills:
COBOL, IMS, JCL
Specialized in migration
Strong analytical skill and learn quickly
Experience in DB2 to SQL Server migration
Should be able to satisfy the project requirement
Good communication skill
Preference:
Should have migration from Mainframe to Windows environment using Microfocus
Should have good Mainframe development experience to Microfocus environment
Please respond with your word resume and requested details:
Full Name :
DOB :
Work Authorization:
Contact Number :
Email ID :
Skype ID:
Current location:
Willing to relocate :
Rate/hr :

Additional Information

All your information will be kept confidential according to EEO guidelines.


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About Infoways

Sourced by ZipRecruiter

Whatever your ultimate Infor Platform destination, Infoways is vested in delivering support services that are scalable, and flexible, to your organization’s specific requirements. We create client centric teams that replicate your methodology and processes supported by our network of over 40,000 resources we deliver to meet your organization's requirements. Our tailored Service,Support scenarios include Customizations, Integration, implantation, migrations, and testing, across multiple GEOs.

Industry

It services and software development

Company size

51 - 200 Employees

Headquarters location

Langhorne, PA, US