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Mainframe Programmer Jobs in California (NOW HIRING)

United Airlines

Mainframe Manager

San Francisco, CA · On-site +1

$125K - $188K/yr

At Capgemini Engineering, the world leader in engineering services, we bring together a global team ... About the role you're considering We are seeking an experienced Mainframe Manager to lead and ...

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Mainframe Programmer information

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$38

$53

$65

How much do mainframe programmer jobs pay per hour?

As of Jun 12, 2026, the average hourly pay for mainframe programmer in California is $53.41, according to ZipRecruiter salary data. Most workers in this role earn between $46.49 and $62.40 per hour, depending on experience, location, and employer.

What does a mainframe programmer do?

A mainframe programmer writes, tests, and maintains software for large-scale mainframe computers, often using languages like COBOL, PL/I, or Assembler. They work on critical business applications, ensure system stability, and may troubleshoot hardware or software issues in a mainframe environment.

What are the key skills and qualifications needed to thrive as a Mainframe Programmer, and why are they important?

To thrive as a Mainframe Programmer, you need a solid understanding of COBOL, JCL, DB2, and general mainframe architecture, often supported by a degree in computer science or related experience. Familiarity with tools like IBM z/OS, TSO/ISPF, and source control systems such as Endevor or Changeman is typically required. Strong problem-solving skills, attention to detail, and effective communication set top performers apart in this role. These abilities are critical for maintaining legacy systems, ensuring data integrity, and supporting business-critical operations in large organizations.

What are some common challenges Mainframe Programmers face when working on legacy systems?

Mainframe Programmers often encounter challenges such as understanding complex, decades-old codebases written in languages like COBOL or Assembler, and integrating these systems with modern technologies. Documentation may be sparse or outdated, requiring strong problem-solving and analytical skills to decipher business logic. Additionally, coordinating with cross-functional teams—including business analysts, testers, and infrastructure specialists—is essential to ensure smooth system updates and migrations. Adaptability and effective communication are key to overcoming these obstacles and supporting mission-critical applications.

What are Mainframe Programmers?

Mainframe Programmers are specialized software developers who design, write, test, and maintain code for mainframe computer systems. These professionals primarily work with legacy programming languages such as COBOL, JCL, and sometimes Assembler, to ensure critical business applications run smoothly and securely. They are often employed in industries like banking, insurance, and government where mainframe systems remain essential for processing large volumes of transactions. Mainframe Programmers also troubleshoot system issues, optimize performance, and may assist in system upgrades or migrations.

Can mainframe be replaced by AI?

Mainframe programmers work with large-scale, legacy systems that often require specialized knowledge of mainframe environments, programming languages, and tools like COBOL and JCL. While AI can assist with automation and code analysis, it is unlikely to fully replace mainframe programmers in managing, maintaining, and developing critical enterprise systems in the near term.

How much do mainframe programmers make?

Mainframe programmers typically earn between $70,000 and $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security can command higher salaries. Compensation may also include benefits such as bonuses and retirement plans.

What is the difference between Mainframe Programmer vs Mainframe Developer?

AspectMainframe ProgrammerMainframe Developer
Primary RoleWriting, testing, and maintaining mainframe codeDesigning and developing mainframe applications and systems
Skills & CertificationsCOBOL, JCL, DB2, certifications in mainframe technologiesSimilar skills, often with additional focus on system design and architecture
Work EnvironmentMainframe environments in banking, finance, governmentSame environments, with broader development responsibilities
Job FocusCode implementation and troubleshootingApplication development and system integration

While both roles work within mainframe environments and share skills like COBOL and JCL, Mainframe Programmers primarily focus on coding and maintenance, whereas Mainframe Developers are involved in designing and developing new applications and systems. The roles often overlap, but the developer role typically encompasses a broader scope in application lifecycle management.

What is the salary of a mainframe developer?

The salary of a mainframe developer typically ranges from $70,000 to $120,000 annually, depending on experience, location, and certifications. Senior roles or those with specialized skills in COBOL, JCL, or mainframe security may earn higher salaries. Compensation often includes benefits such as health insurance and retirement plans.

What Does a Mainframe Programmer Do?

As a mainframe programmer, your job is to design and program applications for mainframe computers, which are powerful machines that help to run many commercial and industrial processes. In this role, you may conduct an analysis of existing software to ensure it is as error-free as possible, help test new software, and implement software in a way that makes it easy for users to access. Mainframe programmers often use coding languages like COBOL, C++, SQL, Java, and CLIST when programming software. Somewhat unusually, most companies prefer to stick with specific coding languages even when they are not necessarily the best language for the job in order to reduce complexity and the risk of errors.

More about Mainframe Programmer jobs
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Mainframe Programmer jobs near you
Infographic showing various Mainframe Programmer job openings in California as of June 2026, with employment types broken down into 82% Full Time, 7% Part Time, and 11% Contract. Highlights an 83% Physical, 7% Hybrid, and 10% Remote job distribution, with an average salary of $111,084 per year, or $53.4 per hour.

Mainframe DevOps Transformation Lead

Precision Technologies Corp

Woodland Hills, CA • On-site

Contractor

Posted 19 days ago

Job description

Job Title: Mainframe DevOps Transformation Lead

Location: Woodland Hills, CA

Type: Long-Term Contract

  • 12+ years of experience in mainframe development and operations.
  • Proven experience in DevOps transformation initiatives.
  • Strong knowledge of COBOL, JCL, DB2, and DevOps tool chain like DBB, Wazi Deploy, UCD and orchestrators like Jenkins / Github Actions.
  • Hands-on experience with rexx automation, groovy, yaml scripting
  • Experience working on migration of source code or data migration from Mainframe to distributed environments
  • Hands-on experience working with git
  • Excellent leadership, communication, and stakeholder management skills.