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Mainframe Developer With Cobol Jobs in California

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 ...

Triunity Software

Mainframe Developer

Los Angeles, CA · On-site

$100K - $110K/yr

Write and optimize COBOL, JCL, and other mainframe-based code * Perform system analysis, troubleshooting, and debugging of mainframe environments * Collaborate with cross-functional teams to support ...

TEKFORTUNE INC

COBOL Developer with microfocus

Irvine, CA · On-site

$53.25 - $72.25/hr

They are seeking an experienced COBOL Developer with strong Micro Focus experience to develop, maintain, and enhance COBOL-based applications in a collaborative onsite setting. Responsibilities : • ...

WATI

Mainframe Operator

Downey, CA · On-site

$50.75 - $65/hr

The Information Technology Mainframe Operator communicates with system programmers, who assist the ... AIX 6. Cobol

West Advanced Technologies (WATI)

Mainframe Operator

Downey, CA · On-site

$50.75 - $65/hr

The Information Technology Mainframe Operator communicates with system programmers, who assist the ... IBM, Z/OS, CICS, NATURAL/SUPERNAT, IMS, DB2, ADABAS, ACF2, ENTIREX, SMP/E, ASSEMBLER/COBOL/REXX, CA ...

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Mainframe Developer With Cobol information

What are some common challenges faced by mainframe developers working with COBOL, and how can they be overcome?

Mainframe Developers working with COBOL often encounter challenges such as maintaining legacy code, integrating mainframe systems with modern technologies, and adapting to evolving business requirements. Legacy systems may lack proper documentation, making it crucial to develop strong debugging and reverse-engineering skills. Collaborating closely with business analysts and other IT teams helps ensure a clear understanding of requirements and smoother integration projects. Staying up-to-date with mainframe modernization tools and participating in knowledge-sharing sessions within your team can also help overcome these challenges and support career growth.

What is a mainframe developer with COBOL?

Mainframe Developers with COBOL are IT professionals who specialize in developing, maintaining, and supporting applications that run on mainframe computers using the COBOL programming language. They work with legacy systems, often in industries like banking, insurance, or government, where mainframes are still prevalent due to their reliability and processing power. Their responsibilities include coding, debugging, testing, and optimizing COBOL programs, as well as integrating mainframe applications with newer technologies. Mainframe Developers also ensure the performance and security of mission-critical systems that handle large volumes of data.

What are the key skills and qualifications needed to thrive as a mainframe developer with COBOL?

To thrive as a Mainframe Developer with COBOL, you need expertise in COBOL programming, mainframe systems (such as IBM z/OS), JCL, and database management, typically supported by a degree in computer science or a related field. Familiarity with tools like TSO/ISPF, DB2, CICS, and source control systems is commonly required, and certifications in mainframe technologies can be advantageous. Strong problem-solving, attention to detail, and effective communication skills help you manage complex legacy systems and collaborate with cross-functional teams. These skills and qualifications are vital for maintaining, enhancing, and supporting critical business applications that rely on mainframe environments.
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Mainframe Developer With Cobol jobs near you
Infographic showing various Mainframe Developer With Cobol job openings in California as of August 2026, with employment types broken down into 70% Full Time, 14% Part Time, 2% Temporary, and 14% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution.

Senior Mainframe COBOL Developer

iSpace, Inc

Los Angeles, CA • On-site

$52.75 - $68/hr

Other

Posted 7 days ago

Job description

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 production issues, and develop enhancements for high-volume transaction processing systems. Candidates should be comfortable supporting scheduled batch operations as needed.

Required Qualifications
  • 10+ years of COBOL development experience on IBM Mainframe.
  • Strong hands-on experience with COBOL, CICS, DB2, JCL, and MQ.
  • Experience supporting production environments, batch processing, and application maintenance.
  • Background in Automotive Finance, Consumer Lending, Commercial Lending, Banking, or Financial Services.
  • Experience performing application enhancements, impact analysis, debugging, testing, and production support.
  • Familiarity with SDLC, change management, and Agile development practices.
  • Strong analytical, troubleshooting, and problem-solving skills.
  • Excellent communication and the ability to collaborate with cross-functional teams.

Local candidates within commuting distance of Los Angeles, CA are preferred. No sponsorship available

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