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Mainframe Support Jobs in California (NOW HIRING)

US Bank

z/OS Systems Engineer

Cupertino, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

This person will work in a team environment supporting multiple systems in a highly redundant and robust mainframe environment. Participate in project teams to implement new capabilities and ...

Calance US

IBM Z Engineer - 100% remote

Costa Mesa, CA · Remote

  • Medical

  • Dental

  • Vision

  • Life

... to support system administration, configuration, and compliance remediation across mainframe environment. The role focuses on Linux on Z, z/VM, and KVM hypervisor management, as well as integration ...

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All JobsMainframe Support JobsMainframe Support Jobs in California

Mainframe Support information

See California salary details

$9

$52

$71

How much do mainframe support jobs pay per hour?

As of Aug 14, 2026, the average hourly pay for mainframe support in California is $52.68, according to ZipRecruiter salary data. Most workers in this role earn between $46.49 and $59.81 per hour, depending on experience, location, and employer.

What is a mainframe support?

A Mainframe Support job involves maintaining, troubleshooting, and optimizing mainframe systems to ensure smooth operations. Responsibilities typically include monitoring system performance, resolving technical issues, applying software updates, and ensuring data security. Mainframe Support professionals work with legacy systems, batch processing, and various programming languages like COBOL or JCL. Their role is critical in industries like banking, healthcare, and government, where mainframes handle large-scale transactions and data processing.

What are the key skills and qualifications needed to thrive in mainframe support, and why are they important?

To thrive as a Mainframe Support professional, you need a solid understanding of mainframe operating systems (such as z/OS), basic programming skills, and troubleshooting abilities, typically supported by a degree in computer science or equivalent experience. Proficiency with tools like IBM ISPF, SDSF, JCL, and familiarity with monitoring and batch processing tools, as well as certifications like IBM Certified System Administrator, are often expected. Strong analytical thinking, communication, and teamwork skills are crucial for effectively addressing technical issues and collaborating with cross-functional teams. These abilities ensure prompt issue resolution and maintain the stability and reliability of critical business systems.

What are the typical daily responsibilities of a mainframe support?

Mainframe Support professionals typically monitor system performance, respond to incidents or service requests, and perform routine maintenance to ensure mainframe systems run smoothly. Their day may include troubleshooting job failures, updating software or system configurations, and working with application teams to resolve integration or data transfer issues. They often participate in on-call rotations and collaborate closely with other IT teams, such as network or security specialists. These responsibilities are essential to minimize downtime and maintain uninterrupted business operations.

What skills are needed for mainframe support?

Mainframe support requires strong knowledge of mainframe operating systems such as z/OS, proficiency in programming languages like COBOL and JCL, and experience with troubleshooting hardware and software issues. Familiarity with tools like IBM Debug Tool and knowledge of database management systems such as DB2 are also important. Certifications like IBM Certified System Programmer can enhance job prospects.

Is mainframe support still in demand?

Mainframe support professionals are still in demand due to the continued reliance of large organizations on mainframe systems for critical operations. Skills in COBOL, JCL, and mainframe troubleshooting remain valuable, especially in finance, government, and insurance sectors where legacy systems are prevalent.

What are popular job titles related to Mainframe Support jobs in California?

For Mainframe Support jobs in California, the most frequently searched job titles are:

What job categories do people searching Mainframe Support jobs in California look for?

The top searched job categories for Mainframe Support jobs in California are:

Mainframe Support jobs near you
Infographic showing various Mainframe Support job openings in California as of August 2026, with employment types broken down into 1% As Needed, 73% Full Time, 20% Part Time, 2% Temporary, and 4% Contract. Highlights an 91% Physical, 2% Hybrid, and 7% Remote job distribution, with an average salary of $109,572 per year, or $52.7 per hour.

Support Engineer-Micro Focus Enterprise Server

Apptad, Inc.

Long Beach, CA • On-site, Remote

$145K/yr

Contractor

Posted 7 days ago

Job description

Job Role: Support Engineer-Micro Focus Enterprise Server - applications and environment
Location: Long Beach, California. Remote is ok. Preferred in pacific time zone states.
Mandatory Skills: IBM Mainframe and Micro Focus Enterprise Server/Developer - IBM COBOL, IMS, SQL, JCL, PowerShell, Python, Windows environment
Job Description:
  • Good experience in IBM Mainframe (z/OS) and Micro Focus Enterprise Server/Developer areas
  • Good knowledge in IBM COBOL, JCL, IMS, SQL, File Systems
  • Good experience in maintaining and documenting applications in COBOL
  • Experience with support and system administration activities
  • Good communication and manage client interactions
  • Nice to have experience in Autosys, LRS - VPSX/PCX, Security (Active Directory), XA connections
  • Ability to learn new areas quickly
  • Experience in Python and PowerShell is important
  • Experience in .net is preferred
  • Experience in Cloud technologies is preferred
  • Preference for the people in pacific time or mountain time as the batch applications run during the evening
  • Resolve customer satisfaction issues and respond on-time to customer queries
  • Flexible to support non-traditional work hours for on call support and resolution
  • Good analytical and communication skills with right professional attitude.

Other Requirement: Please share a skill matrix on the mandatory skills listed-IBM Mainframe and Micro Focus Enterprise Server/Developer - IBM COBOL, IMS, SQL, JCL, PowerShell, Python, Windows environment
Location is remote but work hours will be as per Pacific timings
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About Apptad

Sourced by ZipRecruiter

Apptad offers strategic consulting, enterprise information management and digital transformation services. With globally connected offices in US and India along with a team of trained and certified IT resources, Apptad ensures quick and effective delivery to its customers.Apptad is relentlessly reinventing the outlook of how companies leverage data. With an effort to enable our customers the ability to solve biggest problems within their organization. We perceive our clients’ problems and respond with custom solutions instead of handing over boilerplate responses.

Industry

It services

Company size

501 - 1,000 Employees

Headquarters location

Reston, VA, US

Year founded

2018

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