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(2,095 ratings) 50,000+ Student

MAINFRAME DEVELOPER

The Mainframe Developer course is designed for learners who want to build a career in enterprise application development using IBM mainframe technologies. The training covers COBOL, JCL, DB2, CICS, VSAM, mainframe utilities, batch processing, debugging, and application development through hands-on projects and real-world business scenarios. Students learn how to develop, maintain, and support mission-critical applications used by banking, insurance, healthcare, retail, and government organizations. As mainframe systems continue to power large-scale enterprise operations worldwide, this course is ideal for fresh graduates, software developers, programmers, IT professionals, and anyone looking to build a stable and rewarding career in mainframe development.

Radical Technologies

50,000+ English 40 hours Weekdays / Weekends Classroom / Online / Corporate

Online / Classroom

MAINFRAME DEVELOPER

IT Training Programme

Duration 40 hours

Batch Type Weekdays / Weekends

Mode of Training Classroom / Online / Corporate

Locations Pune, Bangalore, Kochi

Language English

Certification Globally Recognized

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100% placement assistance

What you'll learn

Understand core concepts and architecture from the ground up

Get hands-on with the tools used by working professionals

Build real-world projects you can add to your portfolio

Learn industry best practices and coding standards

Practice with real datasets and real-world scenarios

Prepare for certification and technical interviews

Work on collaborative, team-based exercises

Apply performance tuning and optimization techniques

Understand how the technology fits into a larger ecosystem

Complete assignments reviewed by mentors

Programme Overview

20 sections covering the complete curriculum — a single, progressive learning arc.

40 hours

Training Duration

Core Modules

231

Total Lessons

4.4★

Average Rating

50K+

Students Trained

Foundations & Core Concepts

Get hands-on with the fundamentals and architecture — the building blocks for everything that follows.

Fundamentals Architecture Setup

Hands-On Practical Training

Work through real exercises and assignments designed to mirror what you will do on the job.

Practicals Assignments Labs

Real-World Projects

Apply what you have learned to end-to-end projects that go straight into your portfolio.

Projects Portfolio Case Studies

Advanced Techniques

Go beyond the basics with advanced concepts, integrations and production-grade practices.

Advanced Integration Best Practices

Ecosystem Integration

Understand how this technology connects with the broader tools and platforms used in the industry.

Ecosystem Tools Platforms

Performance & Interview Prep

Master optimization techniques and prepare for the technical interview questions employers actually ask.

Optimization Interview Prep Certification

Who is this programme for?

Whether you're already writing code, working with data, or supporting applications today — this programme is built to take you into a OTHER role.

Software Developers

Engineers who want to add this skill set to their toolkit

Analysts & Consultants

Professionals moving into a more technical, hands-on role

IT Professionals

System admins and support engineers upskilling into a new domain

Fresh Graduates

CS/IT graduates aiming for a job-ready technical role

Course Curriculum

20 sections • 231 lessons • 40 hours

Jump to Section

Total Duration

40 hours

100% Practical · Unlimited Doubt Sessions

01 Target Audience

Freshers

COBOL Developers

Application Support Engineers

Legacy System Developers

Banking & Insurance Domain Professionals

Mainframe Application Developers

02 Module 1: Introduction to Mainframe Technology

Topics

Mainframe Fundamentals

Mainframe Architecture

IBM Z Systems Overview

Mainframe Components

LPAR Concepts

Batch Processing vs Online Processing

Mainframe Operating Systems

Enterprise Computing Concepts

Mainframe Development Life Cycle

Assignment

›Study IBM Mainframe Architecture.

Job Scenario

›Understanding enterprise banking systems running on IBM Mainframes.
›

03 Module 2: TSO/ISPF Fundamentals

Topics

TSO Commands

ISPF Panels

Dataset Management

PDS and PS Files

Editing Techniques

Dataset Utilities

Member Management

Job Submission

Dataset Allocation

Assignment

›Create and manage datasets.

Lab

ISPF Navigation Exercises.

04 Module 3: JCL (Job Control Language)

Topics

JCL Fundamentals

JOB Statement

EXEC Statement

DD Statement

Procedures (PROC)

Symbolic Parameters

Temporary Datasets

GDG Concepts

SORT Utilities

IDCAMS Utilities

File Handling

Restart and Recovery

Project

Batch Payroll Processing System.

Assignment

›Create JCLs for data processing jobs.

Job Scenario

›Managing nightly banking batch jobs.

05 Module 4: COBOL Programming Fundamentals

Topics

COBOL Structure

Identification Division

Environment Division

Data Division

Procedure Division

Variables and Data Types

Arithmetic Operations

Conditional Statements

Loops

Tables and Arrays

String Handling

File Processing

Assignment

›Employee Management Application.

Lab

Develop multiple COBOL programs.

06 Module 5: Advanced COBOL Programming

Topics

Modular Programming

Subprograms

CALL Statements

Dynamic Calls

File Processing Techniques

Sequential Files

Indexed Files

VSAM Access Methods

Table Processing

Search Techniques

Error Handling

Performance Optimization

Project

Banking Account Management System.

Assignment

›Develop reusable COBOL modules.

Job Scenario

›Enhancing enterprise banking applications.

07 Module 6: VSAM (Virtual Storage Access Method)

Topics

VSAM Fundamentals

KSDS

ESDS

RRDS

Alternate Indexes

VSAM Utilities

Data Loading

Data Access Methods

File Maintenance

Assignment

›Create and manage VSAM files.

Project

Customer Master Data Repository.

Job Scenario

›Managing high-volume customer data.

08 Module 7: DB2 for Mainframe

Topics

DB2 Architecture

SQL Fundamentals

DDL Commands

DML Commands

Stored Procedures

Views

Indexes

Joins

Cursor Processing

Embedded SQL in COBOL

Performance Tuning

Locking Mechanisms

Assignment

›Design DB2 Database.

Project

Insurance Policy Management System.

Job Scenario

›Developing DB2-based applications.

09 Module 8: CICS (Customer Information Control System)

Topics

CICS Architecture

Online Transaction Processing

Maps and Screens

BMS Fundamentals

Transaction Design

COMMAREA

Program Linking

Pseudo Conversational Programming

Error Handling

Debugging Techniques

Assignment

›Create online customer inquiry screens.

Project

ATM Transaction System.

Job Scenario

›Supporting online banking applications.

10 Module 9: Mainframe Utilities

Topics

SORT Utility

SYNCSORT

IDCAMS

IEBGENER

IEBCOPY

IEFBR14

DFSORT

File Comparison Utilities

Dataset Maintenance

Assignment

›Process large data files using utilities.

Job Scenario

›Daily operational data processing.

11 Module 10: File Processing Techniques

Topics

Sequential Files

VSAM Files

File Handling Methods

File Conversion

Data Validation

File Merging

File Splitting

Error Reporting

Assignment

›Customer Data Conversion Project.

Job Scenario

›Migration of legacy customer data.

12 Module 11: Mainframe Testing

Topics

Unit Testing

Integration Testing

Batch Testing

Online Testing

File Validation

SQL Testing

Test Case Design

Defect Tracking

Assignment

›Test banking application modules.

Project

Mainframe Application Testing Framework.

13 Module 12: Mainframe Debugging & Troubleshooting

Topics

Abend Codes

Common JCL Errors

COBOL Runtime Errors

CICS Errors

DB2 Errors

Job Failures

Performance Issues

Root Cause Analysis

Assignment

›Resolve real-world production issues.

Job Scenario

›L2/L3 Mainframe Production Support.

14 Module 13: Mainframe Production Support

Topics

Incident Management

Batch Monitoring

SLA Management

Job Scheduling

Root Cause Analysis

Change Management

Problem Management

ServiceNow Integration

Project

Production Support Simulation.

Job Scenario

›Handling critical banking production incidents.

15 Module 14: Mainframe DevOps & Modernization

Topics

Git for Mainframe

Jenkins Integration

Automated Build Processes

Mainframe CI/CD

API Enablement

REST Integration

Hybrid Cloud Integration

Mainframe Modernization Concepts

Assignment

›CI/CD Pipeline for COBOL Applications.

Project

Modernizing Legacy Banking Applications.

16 Module 15: Banking Domain for Mainframe Developers

Topics

Core Banking Concepts

Customer Accounts

Deposits

Loans

Interest Calculation

Fund Transfers

ATM Processing

SWIFT Basics

Regulatory Compliance

Project

Core Banking System.

Job Scenario

›Banking Application Development.

17 Capstone Projects

Project 1: Banking Management System

COBOL

DB2

VSAM

JCL

Project 2: ATM Transaction Processing System

CICS

COBOL

DB2

Project 3: Insurance Claims Processing System

COBOL

VSAM

DB2

Project 4: Payroll Management System

Batch Processing

JCL

COBOL

Project 5: Customer Relationship Management System

CICS

DB2

COBOL

18 Real-Time Job-Oriented Scenarios

Banking

Nightly interest calculation jobs.

ATM transaction failures.

Loan processing batch jobs.

Customer account updates.

Insurance

Policy creation and renewal processing.

Claims settlement automation.

Retail

Inventory reconciliation.

Sales transaction processing.

Production Support

Resolving ABEND S0C7 and S322 errors.

Fixing failed batch jobs.

Recovering VSAM file corruption.

DB2 deadlock troubleshooting.

19 Assignments Included

50+ COBOL Programming Assignments

30+ JCL Exercises

20+ DB2 Assignments

20+ CICS Development Tasks

15+ VSAM Projects

50+ Production Support Scenarios

100+ Interview-Oriented Questions

20 Target Job Roles

Mainframe Developer

COBOL Developer

Mainframe Application Developer

Mainframe Production Support Engineer

CICS Developer

DB2 Developer

Mainframe Modernization Engineer

Banking Application Developer

Mainframe Technical Analyst

Tools & Technologies

Every tool listed here is installed, configured and used in a hands-on lab session.

Core Tools

Hands-On Labs

Practical Environment

Industry-Standard Tools

Real-World Setup

Guided Exercises

Skill Building

Sample Datasets

Practice Material

Practice & Projects

Mini Projects

Applied Practice

Assignments

Mentor Reviewed

Doubt Sessions

Live Support

Career Readiness

Resume Building

Career Support

Mock Interviews

Interview Prep

Certification Prep

Global Recognition

Deployment & Delivery

Production Practices

Real-World Ready

Best Practices

Industry Standards

231+

Hands-On Lessons

Core Modules

40 hours

Training Duration

100%

Practical Training

You don't just learn MAINFRAME DEVELOPER. You ship it.

Three major projects, each mirroring how production teams actually work — from guided foundations to a portfolio-ready capstone.

PROJECT // 01

Guided Foundation Project

→Requirement Analysis

→Guided Implementation

→Mentor Review

→Iteration

Foundation Beginner

Apply the fundamentals in a structured, mentor-reviewed project

Take the core concepts from the first half of the curriculum and apply them to a realistic scenario, with guidance and feedback from your mentor at every step.

Structured project brief

Step-by-step implementation

Mentor feedback and review

Documented outcome

Stack Core Concepts Best Practices

PROJECT // 02

Applied Practice Project

→Scenario Design

→Independent Build

→Testing & Validation

→Peer Review

Applied Intermediate

Build a more independent project mirroring real production scenarios

Work through a project that combines multiple concepts from the curriculum, closer to how work is actually structured on the job — less hand-holding, more ownership.

End-to-end implementation

Testing and validation

Documentation

Peer/mentor review

Stack Applied Skills Testing

PROJECT // 03

Capstone Project

→Planning

→End-to-End Build

→Review & Refinement

→Presentation

Capstone Advanced

Take a project from requirements to a polished, portfolio-ready deliverable

Your final project — plan, build, test and present a complete solution using everything covered in the curriculum, reviewed by mentors before you graduate.

Complete working solution

Presentation-ready documentation

Mentor sign-off

Portfolio-ready deliverable

Stack Full Curriculum Portfolio

All 3 projects go directly into your portfolio & resume — reviewed by mentors before you graduate.

See Sample Project Reports

Upcoming Batches

No upcoming batches scheduled right now. Enquire to get notified.

Why Radical Technologies

Live Online Training

Highly practical oriented training
Installation support on your system
24/7 Email and Phone support
100% Placement Assistance
Global Certification Preparation
Trainer-Student Interactive Portal
Assignments and Projects by Mentors

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Live Classroom Training

Weekend / Weekdays / Morning / Evening batches
80:20 Practical and Theory ratio
Real-life Case Studies
Easy make-up for missed sessions
PSI | Kryterion | Redhat Test Centers
Lifetime Video Classroom Access (coming soon)
Resume Prep and Mock Interviews

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Self-Paced Training

Learn 300+ courses at your own time
50,000+ Satisfied Learners
Course Completion Certificate
Practical Labs available
Mentor Support available
Doubt Clearing Session available
10% Discounted Global Certification

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Global Certification

Radical Technologies is the leading IT certification institute in Pune, offering globally recognized certifications across various domains. With expert trainers and comprehensive materials, we ensure students gain in-depth knowledge and hands-on experience to excel in their careers. Our certification programs are tailored to meet industry standards — from cloud technologies to data science — empowering individuals to stay ahead in the ever-evolving tech landscape.

Career Services

At Radical Technologies, we are committed to your success beyond the classroom. Our 100% Job Assistance program ensures that you are not only equipped with industry-relevant skills but also guided through the job placement process. With personalised resume building, interview preparation, and access to our extensive network of hiring partners, we help you take the next step confidently into your IT career.