Top 6 mainframe developer Jobs in costa mesa, ca

Mainframe Developer
Deloitte —Costa Mesa, CA
- $74,900 - $147,600 a year
- Full-time
- Computer Science
- Mid-level
- Bachelor's degree
1d
Senior Mainframe Application Developer (Annuities)
Pacific Life Insurance Company —Newport Beach, CA
- $118,800 - $145,200 a year
- Full-time
- Bachelor of Science
- Office
- 8 years
- Paid parental leave
- Paid holidays
Quick Apply
2d
Technical Support Assistant
Teknita LLC —Downey, CA
- Mid-level
- High school diploma or GED
- Analysis skills
Systems Programmer/DBA- ADABAS/CICS/IMS
Teknita LLC —Downey, CA
- Hybrid work
- Computer Science
- Office
- 3 years
14d
Senior Systems Programmer – Legacy Systems
Teknita LLC —Downey, CA
- 7 years
- Computer Science
- System design

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Senior Developer – IBM z/OS Connect
Experis —Columbus, OH
We develop innovative solutions for hundreds of thousands of organizations every year, providing them with skilled talent while finding meaningful, sustainable…
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Senior Developer – IBM z/OS Connect
Capgemini —Columbus, OH
The role combines deep z/OS technical expertise with modern API and integration practices, and often acts as a technical lead for mainframe API initiatives.
$43.92 - $68.62 an hour

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Mainframe Developer

Deloitte -
Costa Mesa, CA

Apply Now

Job Details

Full-time
$74,900 - $147,600 a year
1 day ago

Qualifications

Software engineering
Incident management
Incident management software
Incident management operations support
Mainframe
Mainframe development

Full Job Description

Are you an experienced, passionate pioneer in technology who wants to work in a collaborative environment? As an experienced Mainframe Developer,you will have the ability to share new ideas and collaborate on projects as a consultant without the extensive demands of travel. The Project Delivery Talent Model is designed for professionals with specialized skills that align to a current client need. Team members focus on delivering services to clients, without additional expectations related to business development or promotion. Their employment is tied to their role on a project, and they are eligible for a benefits package that is competitive for project delivery-focused professionals.

Work you'll do/Responsibilities

Responsible for the daily development, maintenance, and support of the mainframe health claims applications.
Develop, test, and deploy code changes for claims processing systems based on technical specifications.
Monitor daily batch jobs and resolve ABENDs within defined SLA timelines.
Assist in unit and integration testing of new healthcare compliance updates.
Maintain accurate technical documentation and runbooks for the Operate team.

The Team

Our AI & Engineering leverages cutting-edge engineering capabilities to build, deploy, and operate integrated/verticalized sector solutions in software, data, AI, network, and hybrid cloud infrastructure. These solutions are powered by engineering for business advantage, transforming mission-critical operations. We enable clients to stay ahead with the latest advancements by transforming engineering teams and modernizing technology & data platforms. Our delivery models are tailored to meet each client's unique requirements.

Engineering as a Service provides complete design, implementation, and technology operations, leveraging our core engineering expertise. We transform engineering teams, modernize technology, and deliver complex programs with a product engineering approach. Our flexible delivery models-traditional teams, pools, or pods-are tailored to each client's needs, offering engineering-led advisory, implementation, and operational capabilities to accelerate innovation.

Recruiting for this role ends on June 10 th , 2026

Qualifications

Required

4+ years of experience in software, systems, or embedded engineering
4+ years of experience in Mainframe application development (COBOL, JCL, DB2).
Experience with incident and change management processes (e.g., ServiceNow).
Bachelor's degree, preferably in Computer Science, Information Technology, Computer Engineering, or related IT discipline; or equivalent experience
Limited immigration sponsorship may be available
Ability to travel 10%, on average, based on the work you do and the clients and industries/sectors you serve

Qualifications

Preferred

Experience in the healthcare/insurance domain

The wage range for this role takes into account the wide range of factors that are considered in making compensation decisions including but not limited to skill sets; experience and training; licensure and certifications; and other business and organizational needs. The disclosed range estimate has not been adjusted for the applicable geographic differential associated with the location at which the position may be filled. At Deloitte, it is not typical for an individual to be hired at or near the top of the range for their role and compensation decisions are dependent on the facts and circumstances of each case. A reasonable estimate of the current range is $74,900.00-$147,600.00.

Apply Now

Refine Your Search

mainframe developer jobs in costa mesa, ca

Mainframe Developer

Senior Mainframe Application Developer (Annuities)

Technical Support Assistant

Systems Programmer/DBA- ADABAS/CICS/IMS

Senior Systems Programmer – Legacy Systems

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