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Mainframe Trainer Jobs in California (NOW HIRING)

Triunity Software

Mainframe Developer

Los Angeles, CA · On-site

$100K - $110K/yr

Training & development About the Role: Triunity Software is looking for a talented Mainframe professional to join our growing team in Los Angeles, CA. This is an exciting opportunity to work on ...

Anvaya Solutions

Contractor Trainer

Rancho Cordova, CA · On-site

A minimum of three (3) years within the past seven (7) years leading training for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

Anvaya Solutions

Contractor Trainer

Rancho Cordova, CA · On-site

A minimum of three (3) years within the past seven (7) years leading training for large-scale ... Knowledge and experience evaluating IBM's Z/OS mainframe usage data for System Management Facility ...

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Mainframe Trainer information

What is a mainframe trainer?

Mainframe Trainers are professionals who specialize in teaching individuals or groups how to use and manage mainframe computer systems, which are powerful computers used primarily by large organizations for critical applications. They design and deliver training programs on mainframe technologies such as COBOL, JCL, DB2, and system administration. Mainframe Trainers ensure that IT staff or new hires understand mainframe operations, security protocols, and best practices, helping organizations maintain efficient and secure mainframe environments.

What are the key skills and qualifications needed to thrive as a mainframe trainer?

To thrive as a Mainframe Trainer, you need expert knowledge of mainframe systems (such as IBM z/OS), programming languages like COBOL, and a background in computer science or related fields. Familiarity with mainframe development tools, training platforms, and certifications like IBM Certified System Programmer or Instructor are commonly required. Excellent communication, patience, and instructional skills help engage trainees and convey complex technical concepts effectively. These skills and qualifications ensure trainees gain the practical and theoretical knowledge needed to support critical business operations running on mainframe environments.

What are some common challenges mainframe trainers face when working with trainees new to mainframe systems?

One of the main challenges Mainframe Trainers encounter is bridging the knowledge gap for trainees who may be unfamiliar with legacy systems or specialized programming languages like COBOL. Trainers often need to adapt their teaching style to accommodate diverse backgrounds and learning speeds. Additionally, keeping training materials updated with evolving mainframe technologies can be demanding. Effective trainers foster a supportive learning environment and collaborate closely with IT teams to ensure training remains relevant and practical.

What is the difference between Mainframe Trainer vs Mainframe Developer?

AspectMainframe TrainerMainframe Developer
Required CredentialsTypically certifications in mainframe technologies, training experienceProgramming certifications, mainframe language expertise (COBOL, JCL)
Work EnvironmentTraining centers, corporate training departmentsDevelopment teams, IT departments in various industries
Employer & Industry UsageEducational institutions, corporate training firmsFinancial, government, insurance sectors
Common Search & Comparison IntentUnderstanding training roles, career pathsTechnical development, coding tasks

While Mainframe Trainers focus on educating and training individuals on mainframe technologies, Mainframe Developers are responsible for designing, coding, and maintaining mainframe applications. Both roles require knowledge of mainframe systems, but trainers emphasize teaching skills, whereas developers focus on software development. Understanding these differences helps job seekers align their skills with their career goals.

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

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

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

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

What cities in California are hiring for Mainframe Trainer jobs?

Cities in California with the most Mainframe Trainer job openings:

Mainframe Trainer jobs near you
Infographic showing various Mainframe Trainer job openings in California as of August 2026, with employment types broken down into 71% Full Time, 10% Part Time, 17% Contract, and 2% Nights. Highlights an 88% In-person, 6% Hybrid, and 6% Remote job distribution.

Mainframe Developer

Triunity Software, Inc.

Los Angeles, CA • On-site

$90 - $150/hr

Other

Medical

Re-posted yesterday

Job description

Benefits:

  • Bonus based on performance

  • Health insurance

  • Training & development


About the Role:

Triunity Software is looking for a talented Mainframe professional to join our growing team in Los Angeles, CA. This is an exciting opportunity to work on mission-critical systems and make a real impact in a dynamic, technology-driven environment. If you're passionate about mainframe technologies and ready to take your career to the next level, we want to hear from you!


Responsibilities:

  • Design, develop, and maintain mainframe applications and systems

  • 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 business and technical requirements

  • Monitor mainframe performance and implement tuning improvements

  • Participate in system migrations, upgrades, and modernization initiatives

  • Document technical specifications, processes, and procedures


Requirements:

  • Proven experience in mainframe development or administration (IBM z/OS preferred)

  • Proficiency in COBOL, JCL, CICS, DB2, or related mainframe technologies

  • Strong analytical and problem-solving skills in complex system environments

  • Experience with mainframe performance monitoring and tuning tools

  • Familiarity with SDLC methodologies and Agile development practices

  • Excellent communication and collaboration skills

  • Bachelor's degree in Computer Science, Information Technology, or equivalent experience

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About Triunity Software

Sourced by ZipRecruiter

Triunity is a Product Development, Staff Augmentation, and Consulting Services company providing solutions and services in North America. We provide IT services and technology solutions to various business verticals like Healthcare, Pharma, Banking, Finance, etc. Our goal is to develop a long-term partnership with businesses and help them get a competitive advantage by providing IT infrastructure and software platforms.

Industry

It services

Company size

11 - 50 Employees

Headquarters location

Iselin, NJ, US

Year founded

2021

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