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Mainframes Developer Jobs in California (NOW HIRING)

Accenture

Mainframe Specialist

Los Angeles, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

San Diego, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Sacramento, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Mountain View, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

San Francisco, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Walnut Creek, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

Accenture

Mainframe Specialist

Irvine, CA · On-site

$70K - $196K/yr

About the Role Are you a seasoned Mainframe Specialist with deep, hands-on command of COBOL, JCL ... Partner with cross-functional teams-architects, developers, QA, and business analysts-to gather ...

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Mainframes Developer information

What is the difference between Mainframes Developer vs Mainframes Analyst?

AspectMainframes DeveloperMainframes Analyst
Required CredentialsTypically a degree in Computer Science or related field; certifications like IBM Certified SpecialistSimilar credentials; often holds certifications in mainframe systems and analysis
Work EnvironmentDevelops, codes, and tests mainframe applications in a software development settingAnalyzes existing mainframe systems, gathers requirements, and supports system improvements
Employer & Industry UsageUsed by banks, insurance companies, and large enterprises for application developmentEmployed in similar industries for system analysis, troubleshooting, and process optimization

While both roles require knowledge of mainframe systems and similar credentials, Mainframes Developers focus on creating and maintaining mainframe applications, whereas Mainframes Analysts analyze existing systems to improve performance and efficiency. Both roles are vital in large enterprise IT environments.

Is a mainframes developer a good career?

A mainframes developer is a specialized IT professional who maintains and develops applications on mainframe systems, which are used by large organizations for critical data processing. The role offers stable employment, competitive salaries, and opportunities to work with legacy systems and mainframe programming languages like COBOL. However, it requires specific skills and certifications, and the field may have limited growth compared to emerging technologies.

Is a mainframes developer still in demand?

Mainframes developers are still in demand in industries such as finance, government, and healthcare that rely on legacy systems. They typically work with COBOL, JCL, and mainframe environments, and demand persists due to the ongoing need to maintain and upgrade existing mainframe applications. However, the number of new positions is limited compared to emerging technologies, and skills in mainframe modernization are increasingly valued.

What does a mainframes developer do?

A mainframes developer designs, codes, tests, and maintains applications running on mainframe computers, often using languages like COBOL, PL/I, or Assembler. They ensure the stability, security, and efficiency of large-scale enterprise systems, frequently working with legacy code and mainframe-specific tools in a structured environment.

What are popular job titles related to Mainframes Developer jobs in California?

For Mainframes Developer jobs in California, the most frequently searched job titles are:

What job categories do people searching Mainframes Developer jobs in California look for?

The top searched job categories for Mainframes Developer jobs in California are:

What cities in California are hiring for Mainframes Developer jobs?

Cities in California with the most Mainframes Developer job openings:

Mainframes Developer jobs near you
Infographic showing various Mainframes Developer job openings in California as of August 2026, with employment types broken down into 79% Full Time, 8% Part Time, and 13% Contract. Highlights an 81% Physical, 5% Hybrid, and 14% Remote job distribution.

Mainframe COBOL Developer - Healthcare Claims

Sacramento, CA • On-site

Computer Task Group, Inc
Professional, Scientific, and Technical Services • 1 - 5K employees
Learn more about Computer Task Group, Incexternal

$55 - $62/hr

Full-time

Posted 12 days ago

Job description

Overview

CTG is seeking to fill a Mainframe COBOL Developer – Healthcare Claims position for our client.

Location: Sacramento, CA

Duration: 12 months

Duties:

  • Analyze business requirements and translate them into detailed technical specifications and mainframe program logic.

  • Design, develop, enhance, and maintain mainframe applications supporting healthcare claims processing.

  • Develop and maintain applications using COBOL, JCL, CICS, DB2, and VSAM.

  • Support CA-MMIS mainframe applications and related healthcare claims processing functions.

  • Perform unit, integration, and regression testing to ensure application quality and reliability.

  • Troubleshoot application issues, identify root causes, and implement effective solutions.

  • Collaborate with business analysts, technical teams, and other stakeholders to understand requirements and deliver solutions.

  • Participate in application maintenance, enhancements, and production support activities.

  • Create and maintain technical documentation related to application functionality and program changes.

Skills:

  • Strong proficiency in COBOL, JCL, CICS, DB2, and VSAM.

  • Knowledge of mainframe application development and maintenance.

  • Understanding of healthcare claims processing is preferred.

  • Ability to analyze business requirements and translate them into technical specifications.

  • Strong troubleshooting, analytical, and problem-solving skills.

  • Experience developing and executing unit, integration, and regression testing.

  • Ability to work effectively with technical and business stakeholders.

Experience:

  • 5+ years of experience working with mainframe applications.

  • Experience developing and maintaining COBOL-based applications.

  • Experience with JCL, CICS, DB2, and VSAM.

  • Healthcare claims processing experience is preferred.

  • Experience supporting complex enterprise applications and translating business requirements into technical solutions.

Education:

  • Bachelor's degree in Computer Science, Information Technology, Business, or a related field preferred, or equivalent combination of education and experience.

Excellent verbal and written English communication skills and the ability to interact professionally with a diverse group are required.

CTG does not accept unsolicited resumes from headhunters, recruitment agencies, or fee based recruitment services for this role.

To Apply:

To be considered, please apply directly to this requisition using the link provided. Kindly forward this to any other interested parties. Thank you!

The expected base salary for this position ranges from $55.00 to $62.00/hour. Salary offers are based on a wide range of factors

including relevant skills, training, experience, education, market factors, and where applicable, licensure or certifications obtained. In addition to salary, a competitive benefit package is also offered.

Computer Task Group logo

About Computer Task Group

Sourced by ZipRecruiter

We know that achieving our mission begins and ends with our people—and by people we mean you. Regardless of individual roles or responsibilities, regardless of industry or subject matter expertise, our lives happen in relation to other people—our colleagues, clients, and partners. CTG cultivates a workplace that attracts and develops the best people. Being Great Place to Work-CertifiedTM not only supports our Vision but also validates the rewarding workplace culture that has made CTG a leading IT and digital solutions and services company for more than 55 years.

Industry

Professional, scientific, and technical services

Company size

1,001 - 5,000 Employees

Headquarters location

Buffalo, NY, US

Social media

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