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Cobol Mainframe Developer Jobs in California (NOW HIRING)

REST API developers - NodeJS, Javascript Duration: 1 Year + Location: Sacramento CA W2 ,C2C will ... tools COBOL and Assembly in a CICS mainframe environment - desired CICS COBOL API in a SQL DB ...

Mainframe and IMS Business Analyst Location - Torrance, CA (Hybrid) Contract Duration 13 Months ... Must have strong proficiency in COBOL, CICS, JCL, IMS, VSAM, DB2, and System Development Life Cycle ...

Broadcom's Mainframe Software Division (MSD) is looking for a talented and motivated Software ... Metal C, COBOL, ISPF, REXX, JCL, C, C+ General Skills & Competencies * Good knowledge in Agile ...

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Cobol Mainframe Developer information

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How much do cobol mainframe developer jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for cobol mainframe developer in California is $54.56, according to ZipRecruiter salary data. Most workers in this role earn between $53.37 and $55.77 per hour, depending on experience, location, and employer.

What does a COBOL mainframe developer do?

As a COBOL mainframe developer, your primary responsibilities include designing new computer programs using the COBOL programming language. Your duties are to design, develop, and configure code for new programs, test these programs to make sure they function on the intended operating system, and implement adjustments needed. Once that process is complete, you launch the program for public or private use and provide support and upgrades to the user. You should have extensive knowledge and experience working with software development, and if you are working in IT for a company, you should be able to troubleshoot their current mainframe. Teaching others about what you have developed and making sure they understand how to use it are also your responsibility.

What does a COBOL mainframe developer do?

A COBOL Mainframe Developer is responsible for designing, developing, testing, and maintaining applications that run on mainframe computers using the COBOL programming language. These developers often work with legacy systems in industries like banking, insurance, and government, ensuring that critical business processes continue to function smoothly. Their tasks may include writing new code, updating existing programs, debugging, and integrating mainframe applications with modern technologies. COBOL Mainframe Developers also collaborate with business analysts and other IT professionals to meet organizational needs and regulatory requirements.

What are the key skills and qualifications needed to thrive as a COBOL mainframe developer, and why are they important?

To thrive as a COBOL Mainframe Developer, you need strong proficiency in COBOL programming, mainframe systems (such as IBM z/OS), and a background in computer science or a related field. Familiarity with tools like JCL, DB2, CICS, and source control systems, along with relevant certifications, is highly beneficial. Attention to detail, problem-solving abilities, and effective communication are crucial soft skills for diagnosing issues and collaborating with cross-functional teams. These competencies ensure reliability, accuracy, and efficiency in maintaining and modernizing critical legacy systems.

What are some typical challenges faced by COBOL mainframe developers when maintaining legacy systems?

Cobol Mainframe Developers often encounter challenges with outdated documentation, making it difficult to understand and modify legacy code. Integrating new technologies or adapting legacy systems to modern infrastructure can also be complex, requiring careful planning and testing. Additionally, communicating with business users to gather requirements and ensure system changes meet current needs is essential, as is collaborating with other IT professionals to manage dependencies and minimize downtime. Staying proactive about learning modernization tools and approaches can help address these challenges.
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What are popular job titles related to Cobol Mainframe Developer jobs in CA? For Cobol Mainframe Developer jobs in CA, the most frequently searched job titles are:
Infographic showing various Cobol Mainframe Developer job openings in California as of August 2026, with employment types broken down into 79% Full Time, 3% Part Time, and 18% Contract. Highlights an 81% Physical, 4% Hybrid, and 15% Remote job distribution, with an average salary of $113,494 per year, or $54.6 per hour.

Mainframe Database Administrator (DBA)

West Advanced Technologies (WATI)

Downey, CA • On-site

Contractor

Re-posted 5 days ago


Job description

Mainframe Database Administrator (DBA)
Downey, CA
12+ months

Position Description:
A Mainframe Systems Programmer/DBA is responsible for leading and/or supporting the most complex database upgrade projects, modification, installation, testing, implementation, maintenance and enhancements of new or existing system software products. This classification must plan, install, configure, test, implement and manage core database products, software products in support of the County's database architecture and business needs. Special organizational or functional industry position titles for Systems Programmer/DBA include, but are not limited to, DB2 Systems Programmer/DBA, IMS Systems Programmer/DBA and ADABAS/NATURAL Systems Programmer/DBA.
Skills Required:
The Mainframe Systems Programmer/DBA for Legacy Systems manages different types of databases, such as hierarchical (IMS), relational (DB2), and file-based (ADABAS), and is responsible for planning and upgrading the database environments on a County-established basis; verifying the health of all the databases; database administration technical consulting for application and operations teams for the purpose of project planning/development; maintenance on production database systems; performance of technical reviews for existing systems that utilize one of the following database management systems (DBMS): ADABAS, DB2 or IMS; performance of evaluations for the purposes of selecting new or fine-tuning existing DBMS software; consultation with project development teams to provide recommendations on database design; development of logical and physical database designs; creation of overviews of logical database designs; creation of physical databases; database capacity planning; development and use of backup and recovery procedures for databases; database performance monitoring; database space monitoring; database reorganizations; database replication; database compression and database partitioning. The following technology skill sets are required to perform in this classification. IBM: Z/OS, IMS, DB2, ADABAS, SMP/E, JCL, IMS DB/DC, CICS, ACF2, ASSEMBLER/COBOL/REXX, IBM FILE MANAGER, DELTA/IMS, NATURAL/ SUPERNAT, ENTIREX, CA SPOOL, IMS & DB2 BMC Tools, N20/TRIM.
This classification must have a minimum of seven (7) years of experience as a Systems Programming/ DBA, with at least three (3) years of that experience in a lead role.
This classification requires the possession of a bachelor's degree in an IT-related or engineering field.
Skills Preferred:
Z/OS 2.4,HCD/IODEF , Z13S,Z15,SMP/E, ASSEMBLER, JCL, COBOL,ACF2,SYSPLEX coupling facility,, HMC (Processor Interface), OSA (Networking Interface), ICC (Integrated Console Controller), FICON (Fiber connectivity to peripheral devices),z/OS Open System and Unix Systems Services (USS) on the Mainframe. ,CLIST, REXX,, FICON switch configuration and definition in HCD, Server Time Protocol (STP) configuration.
Z/OS upgrade experience, Mainframe hardware upgrade, HCD & HMC Experience, mainframe storage experience are preferred.
Regards
Naresh Damagalla
West Advanced Technologies, Inc
E: naresh.d@wati.com