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Mainframe System Programmer Jobs in California (NOW HIRING)

Calance US

Mainframe Developer $66.50

Torrance, CA

$66.65/hr

We are hiring Mainframe Developer $66.50 for a Contract position in Torrance, CA CALL US NOW for ... Experience with Fidelity Information Systems (FIS) - Systematics * Experience with Automotive ...

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 ...

Techlink Systems

Be Seen First

Senior Mainframe Software Engineer - Auto Finance Systems SR-2026

Torrance, CA · On-site

$60 - $65/hr

Senior Mainframe Developer & Production Support Specialist (Auto Finance) Location: Torrance, CA ... In this role, you will lead application development, perform system enhancements, and drive ...

New

Triunity Software

Mainframe Developer

Los Angeles, CA · On-site

$100K - $110K/yr

Perform system analysis, troubleshooting, and debugging of mainframe environments * Collaborate with cross-functional teams to support business and technical requirements * Monitor mainframe ...

ClifyX

MainFrame OS Developer - Torrance, CA

Torrance, CA · On-site

$50.75 - $65.25/hr

ClifyX is seeking a MainFrame OS Developer for a long-term project in Torrance, CA. The role ... systems in the automotive finance sector. Responsibilities : • Strong business and analytical ...

Accenture

Mainframe Specialist

Los Angeles, CA

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Mountain View, CA

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

San Francisco, CA

$70K - $196K/yr

Evaluate legacy systems and propose actionable modernization strategies-covering rehosting ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

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All JobsMainframe System Programmer JobsMainframe System Programmer Jobs in California

Mainframe System Programmer information

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How much do mainframe system programmer jobs pay per hour?

As of Sep 6, 2026, the average hourly pay for mainframe system programmer in California is $57.41, according to ZipRecruiter salary data. Most workers in this role earn between $52.21 and $66.44 per hour, depending on experience, location, and employer.

What is a mainframe system programmer?

Mainframe system programmers are IT professionals who specialize in installing, configuring, maintaining, and optimizing mainframe computer systems. They are responsible for the underlying software infrastructure, such as operating systems (like IBM z/OS), network configurations, and middleware. Their work ensures that mainframe environments run efficiently, securely, and with minimal downtime, supporting critical applications for large organizations. System programmers also troubleshoot complex issues and implement updates or enhancements as needed.

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

To thrive as a Mainframe System Programmer, you need deep knowledge of mainframe operating systems (such as z/OS), programming languages like COBOL or Assembler, and a degree in computer science or a related field. Familiarity with mainframe tools (e.g., IBM ISPF, JCL, SMP/E) and certifications such as IBM Certified System Programmer are typically required. Analytical thinking, problem-solving, and effective communication are crucial soft skills for diagnosing issues and collaborating with IT teams. These skills are vital to ensure the stability, security, and efficiency of critical enterprise computing environments.

What are some common challenges mainframe system programmers face when supporting legacy systems?

Mainframe System Programmers often encounter challenges such as integrating modern applications with legacy mainframe environments, ensuring system security while maintaining uptime, and troubleshooting complex issues that span both old and new technologies. They may also face difficulties due to limited documentation or retiring expertise as experienced colleagues leave the workforce. Staying current with evolving mainframe tools and best practices helps address these challenges and keeps systems running smoothly.

What is the difference between Mainframe System Programmer vs Mainframe Application Developer?

AspectMainframe System ProgrammerMainframe Application Developer
Required CredentialsCertifications in mainframe systems, such as IBM Certified System ProgrammerProgramming certifications, often in COBOL, Java, or other languages
Work EnvironmentOperate primarily on mainframe hardware, focus on system setup and maintenanceDevelop and modify applications running on mainframes
Employer & Industry UsageUsed by organizations with large-scale legacy systems, banking, insuranceDevelops business applications for mainframe environments in similar industries

While both roles work within mainframe environments, Mainframe System Programmers focus on system setup, maintenance, and optimization, whereas Mainframe Application Developers concentrate on creating and updating applications that run on mainframes. Understanding these differences helps in choosing the right career path or job search focus.

Is a mainframe system programmer a good career?

A mainframe system programmer is a specialized IT professional responsible for maintaining and optimizing mainframe computer systems, often requiring knowledge of languages like COBOL and tools such as z/OS. The role offers stable employment opportunities, competitive salaries, and demand in industries like finance and government, but it may require ongoing training to keep up with evolving technology. Overall, it can be a good career for those interested in enterprise computing and system management.

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

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

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

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

What are popular job titles related to Mainframe System Programmer jobs in CA?

For Mainframe System Programmer jobs in CA, the most frequently searched job titles are:

Mainframe System Programmer jobs near you
Infographic showing various Mainframe System Programmer job openings in California as of August 2026, with employment types broken down into 1% As Needed, 87% Full Time, 10% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution, with an average salary of $119,422 per year, or $57.4 per hour.

Mainframe Admin

West Advanced Technologies (WATI)

Norwalk, CA • On-site

Full-time

Re-posted 5 days ago

Job description

Position: Mainframe Admin
Location: Norwalk, CA
Duration: 12 Months
Minimum Skills:
The Consultant must meet all the following qualifications:
1.Bachelor of Science Degree from an accredited four-year college/university in one of the following majors: Computer Science, Information Technology, Information Systems, Computer Engineering, Software Engineering, Systems Engineering, Applied Computer Sciences, or Informatics. Diplomas must be provided upon request.
2.Three (3) years of experience within the last five (5) years designing, developing, and implementing financial system solutions especially around planning, budgeting, and forecasting including all aspects of the software development life cycle: requirements definition, specifications, design, development, integration, testing, documentation, user Training, implementation, and maintenance.
3.Three (3) years of experience within the last five (5) years configuring and implementing Oracle Planning Budgeting Cloud Services (PBCS) for a medium to large organization with 500 employees or more.
4.Three (3) years of experience within the last five (5) years implementing integration with external systems utilizing RESTful API's.
5.Three (3) years of experience within the last five (5) years with experience in PBCS Calculation Manager, PBCS Smart View, Forms, Menus, and Reports.
6.Three (3) years of experience within the last five (5) years creating and working with Aggregate Storage Option (ASO) and Black Storage Option (BSO) cubes
Thanks & Regards
Rajeev
West Advanced Technologies, Inc
E: rajeev.g2@wati.com
C:2796665837 | T: 5072292946

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