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Mainframe Consulting Jobs in California (NOW HIRING)

Sonsoft Inc

Mainframe Consultant

Irwindale, CA

Company Description SonSoft is an IT Staffing and consulting firm and duly organized under the laws ... At least 5 years of experience in Mainframe Technologies (COBOL, CICS, JCL, DB2) * At least 5 years ...

Sonsoft Inc

Mainframe Consultant

Irwindale, CA

At least 5 years of experience in Mainframe Technologies (COBOL, CICS, JCL, DB2) * At least 5 years ... No OPT-EAD, TN Visa & H1B Consultants please. * Please mention your Visa Status in your email or ...

Broadcom

SYSVIEW, OPS/MVS, NetMaster, Mainframe Application Tuner, etc., that is, a specialist of the highest technical caliber. The senior consultant provides assistance and recommendations to management and ...

Triunity Software

Mainframe Developer

Los Angeles, CA · On-site

$100K - $110K/yr

Triunity Software is looking for a talented Mainframe professional to join our growing team in Los ... Consulting Services company providing solutions and services in North America. We provide ...

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Mainframe Consulting information

What is the difference between Mainframe Consulting vs Mainframe Developer?

AspectMainframe ConsultingMainframe Developer
Primary RoleAdvises clients on mainframe solutions, project management, and system integrationDesigns, codes, and tests mainframe applications and programs
Required SkillsKnowledge of mainframe systems, client communication, project coordinationProgramming languages like COBOL, JCL, DB2, and troubleshooting skills
Work EnvironmentConsulting firms, client sites, or remoteMainframe development teams within organizations or IT service providers
CertificationsIBM Certified Mainframe Specialist, project management certificationsIBM COBOL certifications, programming courses

While Mainframe Consulting focuses on advising and managing mainframe projects, Mainframe Developers are responsible for creating and maintaining mainframe applications. Both roles require knowledge of mainframe systems, but consulting emphasizes client interaction and project oversight, whereas development centers on coding and technical problem-solving.

Are mainframe consulting jobs in demand?

Mainframe consulting jobs remain in demand due to the continued reliance of large organizations on mainframe systems for critical operations. Professionals with skills in COBOL, JCL, and mainframe security are sought after, especially for system maintenance, modernization, and migration projects. The demand is steady, with opportunities often requiring certifications and experience in legacy system environments.

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

To thrive as a Mainframe Consultant, you need expertise in legacy mainframe environments, programming languages like COBOL or PL/I, and a strong background in systems analysis, often with a degree in computer science or related fields. Familiarity with mainframe tools such as IBM z/OS, JCL, DB2, and knowledge of migration or modernization frameworks is typically required, along with relevant certifications. Strong problem-solving, communication, and client management skills help set top consultants apart in delivering efficient solutions. These competencies are critical for effectively maintaining, upgrading, or integrating mainframe systems that remain core to many enterprise operations.

What are some common challenges faced by mainframe consultants when integrating legacy systems with modern technologies?

Mainframe consultants often encounter challenges when bridging the gap between established legacy systems and newer digital platforms. These include ensuring data integrity during migration, maintaining system uptime, and navigating compatibility issues between old and new technologies. Collaborating closely with cross-functional teams—such as developers, business analysts, and IT security—is essential to address these challenges effectively. Staying updated on evolving integration tools and best practices is also key to delivering successful solutions for clients.

What is mainframe consulting?

Mainframe consulting involves providing expert guidance and services related to mainframe computer systems, which are powerful machines used primarily by large organizations for critical applications and bulk data processing. Mainframe consultants help businesses optimize, modernize, or maintain their mainframe environments, ensuring they are secure, efficient, and up-to-date with current technologies. Their work may include system upgrades, migrations, performance tuning, and integrating mainframe systems with newer digital platforms.
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Mainframe Consulting jobs near you
Infographic showing various Mainframe Consulting job openings in California as of July 2026, with employment types broken down into 88% Full Time, 8% Part Time, and 4% Contract. Highlights an 86% Physical, 4% Hybrid, and 10% Remote job distribution.

Mainframe Consultant

West Advanced Technologies (WATI)

Sacramento, CA • On-site

Full-time

Re-posted 19 days ago

Job description

Mainframe Consultant
Sacramento, CA
24+ months
Onsite
Required Skills:
Must have a minimum of ten (10) years of experience in mainframe application support and/or development. Proficient in IBM mainframe environments such as DB2, Customer Information Control System (CICS), MQ, and Time-Sharing Option/Interaction System Productivity Facility (TSO/ISPF).
Must have a minimum of ten (10) years of experience working with IBM Mainframe Languages such as COBOL, Assembler, Virtual Storage Access Method (VSAM), Job Control Language (JCL), Restructured Extended Executor (REXX) at the subject matter expert level, including analysis, design, coding, and testing.
Must have a minimum of ten (10) years of experience working with CA Endevor Software Migration Control Manager, or similar.
Must have a minimum of ten (10) years of experience in producing written technical documentation, including the use of flow-charting software.
Bachelor's Degree in an IT-related or Engineering field.
Desired Skills:
Must have a minimum of fifteen (15) years of experience of software development lifecycle (SDLC) best practices.
Minimum of ten (10) years of experience in Oracle, Natural, or COBOL.
Must have a minimum of five (5) years of experience with training and mentoring programmers in z/OS Assembler language.
Must have a minimum of two (2) years of experience working in a public sector transportation agency
Regards
Sunil Damagalla
West Advanced Technologies, Inc
E: sunil.d@wati.com , D: 279-666-5837

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