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IBM Mainframes for Professionals

Master IBM Mainframes including JCL, COBOL, VSAM, DB2, and CICS - essential skills for enterprise computing and legacy systems experts.
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Course Duration: 35 Hours
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IBM Mainframes for Professionals – Online Course

The IBM Mainframes for Professionals course is an all-encompassing, self-paced learning program meticulously crafted for IT professionals who aim to build or enhance their careers in enterprise-level mainframe computing environments. Mainframes remain at the core of mission-critical systems in industries such as banking, insurance, healthcare, aviation, retail, and government. Despite the rise of cloud-native applications and distributed systems, mainframes continue to power the most transaction-heavy and data-sensitive operations worldwide. As such, professionals with mainframe expertise are highly sought after.

This course offers a structured and practical pathway for learners to dive deep into the world of IBM mainframes, equipping them with the necessary tools, techniques, and confidence to navigate complex enterprise infrastructures. It caters to a broad audience—software engineers, IT analysts, support engineers, system administrators, and aspiring mainframe developers—looking to build solid foundations or advance their existing knowledge of mainframe technologies.

Unlike superficial tutorials or scattered resources, this course has been carefully developed to take learners from the basics of IBM z/OS architecture to advanced operational and programming concepts. You will explore key mainframe components such as JCL (Job Control Language), COBOL programming, VSAM (Virtual Storage Access Method), DB2 (IBM's relational database system), and CICS (Customer Information Control System) transaction processing. These tools form the backbone of legacy enterprise systems and remain vital in ensuring large-scale business continuity.

What sets this course apart is its practical orientation. The curriculum not only explains the theory behind these systems but also immerses learners in simulated real-world environments through hands-on labs and interactive examples. As you work through the course, you’ll gain experience configuring job streams, writing COBOL programs, managing datasets, optimizing database operations, and developing transaction workflows. These experiences are reinforced with a capstone project designed to synthesize all the core components of mainframe operations into a tangible, job-ready deliverable.

The course is flexible and self-paced, which means you can learn at your convenience and progress according to your schedule. Whether you're a full-time professional seeking to upskill or a student exploring enterprise computing careers, this format allows you to balance learning with other commitments.

How to Use This Course

To get the most out of IBM Mainframes for Professionals, it is important to follow a structured approach:

  1. Start with the Foundations
    Begin with the introductory modules that explain the evolution and importance of mainframes in today’s IT landscape. Understanding the architecture and core components of IBM mainframes will give you the necessary context for deeper learning.
  2. Follow the Recommended Learning Path
    The course is structured in a logical sequence, with each section building upon the previous one. It is highly recommended to progress through the modules in order to avoid knowledge gaps. The hands-on sections are placed strategically to reinforce learning from theoretical lessons.
  3. Engage with the Practical Exercises
    Throughout the course, you'll find interactive labs and real-world exercises that simulate mainframe environments. Actively participating in these labs is essential for building operational competence. Don’t skip these exercises—they provide the bridge between knowledge and experience.
  4. Leverage Supplementary Resources
    Take advantage of downloadable materials, reference documentation, and additional reading links provided alongside each module. These resources help deepen your understanding and provide you with tools you’ll likely use on the job.
  5. Apply What You Learn
    Where possible, replicate tasks and concepts in your own test environment. Practicing outside the course helps internalize the material. If you are employed in an organization that uses mainframes, try relating the lessons to your actual work environment.
  6. Complete the Capstone Project
    The final section of the course is a capstone project that brings together all the skills and concepts you've learned. Treat this project as a real-world assignment: it’s your opportunity to demonstrate your capability to design, implement, and troubleshoot mainframe systems. The project is especially valuable for showcasing your skills to employers or preparing for interviews.
  7. Engage with the Community
    If the course offers forums or discussion groups, be sure to participate. Engaging with peers can help clarify doubts, offer insights into industry practices, and enrich your learning experience.
  8. Take Notes and Create a Reference Manual
    As you progress, maintain a personal notebook or digital document summarizing commands, concepts, and procedures. This custom reference will serve as a valuable tool when you transition to applying these skills professionally.

By the end of this course, you will have developed both the theoretical understanding and the practical skills necessary to succeed in an enterprise environment powered by IBM mainframes. Whether you're preparing for a mainframe job, supporting legacy systems, or simply seeking to stay relevant in the fast-changing IT landscape, this course equips you with the expertise to make a meaningful impact.

IBM Mainframes for Professionals is more than just a training program—it’s a gateway to a career in one of the most resilient and high-demand areas of enterprise computing.

Course Objectives Back to Top

By the end of this course, learners will be able to:

  1. Understand the architecture, ecosystem, and evolution of IBM mainframes.
  2. Write and troubleshoot Job Control Language (JCL) scripts for batch processing.
  3. Build COBOL applications, handle files, and integrate them with DB2 databases.
  4. Work with VSAM datasets and use tools like IDCAMS for file management.
  5. Write SQL queries and connect DB2 to COBOL programs for data operations.
  6. Develop and debug CICS applications for real-time transaction processing.
  7. Deliver a full mainframe project using JCL, COBOL, DB2, VSAM, and CICS.
Course Syllabus Back to Top

IBM Mainframes Course Syllabus

Module 1: Introduction to Mainframes

  • Overview, architecture, z/OS introduction, batch/online processing, ecosystem, and vendors

Module 2: Job Control Language (JCL)

  • JCL syntax, JOB/EXEC/DD statements, job submission, monitoring, error handling

Module 3: COBOL Programming

  • COBOL structure, file handling, modular programming, debugging, integration with JCL

Module 4: Virtual Storage Access Method (VSAM)

  • VSAM file types (KSDS, ESDS, RRDS), IDCAMS utility, VSAM file operations, tuning

Module 5: DB2 Database

  • DB2 architecture, SQL programming, transactions, COBOL-DB2 integration

Module 6: Customer Information Control System (CICS)

  • CICS basics, COBOL-CICS commands, transaction management, integration with DB2

Module 7: Capstone Project

  • Hands-on project using all core technologies—design, development, presentation, peer review
Certification Back to Top

Upon successful completion of the IBM Mainframes for Professionals course, learners will receive a Course Completion Certificate from Uplatz, validating their practical expertise in enterprise mainframe technologies and IBM systems.

This certification highlights your readiness to work on legacy systems in critical business environments. It demonstrates proficiency in key tools and languages such as COBOL, JCL, DB2, and CICS, making you a valuable asset for companies reliant on mainframe infrastructure.

The course also acts as a preparatory step toward formal certifications like the IBM z/OS Mainframe Practitioner, IBM Certified System Programmer, or COBOL programming certifications, which can further strengthen your credentials.

Career & Jobs Back to Top

IBM Mainframe skills continue to power the backbone of the world’s largest corporations. This course opens up robust career opportunities in high-stakes environments such as finance, telecom, and government sectors.

Career Opportunities After This Course

  1. Mainframe Application Developer (COBOL/JCL)
  2. Mainframe Systems Programmer
  3. IBM z/OS Systems Analyst
  4. DB2 Database Administrator
  5. CICS Developer or Support Engineer
  6. VSAM/Data Storage Specialist
  7. Legacy System Modernization Consultant

Industries Hiring Mainframe Professionals

  • Banking & Financial Services
  • Insurance & Reinsurance
  • Government & Public Sector
  • Retail & Manufacturing
  • Telecom & Utilities
  • Transportation & Airlines
  • IT Services & Infrastructure Providers
Interview Questions Back to Top

1. What is a mainframe and why is it still used today?
Mainframes are powerful computers designed for high-volume, reliable transaction processing. They’re still used due to unmatched security, scalability, and legacy system dependency.

2. What is JCL and why is it important?
JCL (Job Control Language) is used to submit batch jobs in a mainframe environment. It controls which programs run and how resources are allocated.

3. What are the divisions in a COBOL program?
COBOL programs include the Identification, Environment, Data, and Procedure divisions—each serving a specific role in defining and executing the program.

4. What are the types of VSAM datasets?
Key types include KSDS (Key Sequenced), ESDS (Entry Sequenced), and RRDS (Relative Record). Each type serves different access and performance needs.

5. How do you connect DB2 with COBOL?
Using EXEC SQL statements in COBOL to embed SQL queries. The program is then precompiled and compiled using DB2-CICS compilers.

6. What is CICS used for?
CICS (Customer Information Control System) is IBM’s transaction server used for high-performance online transaction processing.

7. What are the components of DB2 architecture?
Main components include the Database Services Module, Buffer Manager, and System Services Module. Together they manage storage, processing, and access.

8. How do you handle file I/O in COBOL?
Using READ, WRITE, REWRITE, and DELETE statements, depending on file organization—sequential, indexed, or relative.

9. What is IDCAMS?
IDCAMS is a utility used to define and manage VSAM datasets, including creation, deletion, listing, and repro (copying) operations.

10. What is a real-world example of using JCL and CICS together?
A batch JCL job can prepare input data, while CICS handles real-time processing such as user transaction updates to DB2.

Course Quiz Back to Top
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Q1. What are the payment options? A1. We have multiple payment options: 1) Book your course on our webiste by clicking on Buy this course button on top right of this course page 2) Pay via Invoice using any credit or debit card 3) Pay to our UK or India bank account 4) If your HR or employer is making the payment, then we can send them an invoice to pay. Q2. Will I get certificate? A2. Yes, you will receive course completion certificate from Uplatz confirming that you have completed this course with Uplatz. Once you complete your learning please submit this for to request for your certificate https://training.uplatz.com/certificate-request.php Q3. How long is the course access? A3. All our video courses comes with lifetime access. Once you purchase a video course with Uplatz you have lifetime access to the course i.e. forever. You can access your course any time via our website and/or mobile app and learn at your own convenience. Q4. Are the videos downloadable? A4. Video courses cannot be downloaded, but you have lifetime access to any video course you purchase on our website. You will be able to play the videos on our our website and mobile app. Q5. Do you take exam? Do I need to pass exam? How to book exam? A5. We do not take exam as part of the our training programs whether it is video course or live online class. These courses are professional courses and are offered to upskill and move on in the career ladder. However if there is an associated exam to the subject you are learning with us then you need to contact the relevant examination authority for booking your exam. Q6. Can I get study material with the course? A6. The study material might or might not be available for this course. Please note that though we strive to provide you the best materials but we cannot guarantee the exact study material that is mentioned anywhere within the lecture videos. Please submit study material request using the form https://training.uplatz.com/study-material-request.php Q7. What is your refund policy? A7. Please refer to our Refund policy mentioned on our website, here is the link to Uplatz refund policy https://training.uplatz.com/refund-and-cancellation-policy.php Q8. Do you provide any discounts? A8. We run promotions and discounts from time to time, we suggest you to register on our website so you can receive our emails related to promotions and offers. Q9. What are overview courses? A9. Overview courses are 1-2 hours short to help you decide if you want to go for the full course on that particular subject. Uplatz overview courses are either free or minimally charged such as GBP 1 / USD 2 / EUR 2 / INR 100 Q10. What are individual courses? A10. Individual courses are simply our video courses available on Uplatz website and app across more than 300 technologies. Each course varies in duration from 5 hours uptop 150 hours. Check all our courses here https://training.uplatz.com/online-it-courses.php?search=individual Q11. What are bundle courses? A11. Bundle courses offered by Uplatz are combo of 2 or more video courses. We have Bundle up the similar technologies together in Bundles so offer you better value in pricing and give you an enhaced learning experience. Check all Bundle courses here https://training.uplatz.com/online-it-courses.php?search=bundle Q12. What are Career Path programs? A12. Career Path programs are our comprehensive learning package of video course. These are combined in a way by keeping in mind the career you would like to aim after doing career path program. Career path programs ranges from 100 hours to 600 hours and covers wide variety of courses for you to become an expert on those technologies. Check all Career Path Programs here https://training.uplatz.com/online-it-courses.php?career_path_courses=done Q13. What are Learning Path programs? A13. Learning Path programs are dedicated courses designed by SAP professionals to start and enhance their career in an SAP domain. It covers from basic to advance level of all courses across each business function. These programs are available across SAP finance, SAP Logistics, SAP HR, SAP succcessfactors, SAP Technical, SAP Sales, SAP S/4HANA and many more Check all Learning path here https://training.uplatz.com/online-it-courses.php?learning_path_courses=done Q14. What are Premium Career tracks? A14. Premium Career tracks are programs consisting of video courses that lead to skills required by C-suite executives such as CEO, CTO, CFO, and so on. These programs will help you gain knowledge and acumen to become a senior management executive. Q15. How unlimited subscription works? A15. Uplatz offers 2 types of unlimited subscription, Monthly and Yearly. Our monthly subscription give you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews each month. Minimum committment is for 1 year, you can cancel anytime after 1 year of enrolment. Our yearly subscription gives you unlimited access to our more than 300 video courses with 6000 hours of learning content. The plan renews every year. Minimum committment is for 1 year, you can cancel the plan anytime after 1 year. Check our monthly and yearly subscription here https://training.uplatz.com/online-it-courses.php?search=subscription Q16. Do you provide software access with video course? A16. Software access can be purchased seperately at an additional cost. The cost varies from course to course but is generally in between GBP 20 to GBP 40 per month. Q17. Does your course guarantee a job? A17. Our course is designed to provide you with a solid foundation in the subject and equip you with valuable skills. While the course is a significant step toward your career goals, its important to note that the job market can vary, and some positions might require additional certifications or experience. Remember that the job landscape is constantly evolving. We encourage you to continue learning and stay updated on industry trends even after completing the course. Many successful professionals combine formal education with ongoing self-improvement to excel in their careers. We are here to support you in your journey! Q18. Do you provide placement services? A18. While our course is designed to provide you with a comprehensive understanding of the subject, we currently do not offer placement services as part of the course package. Our main focus is on delivering high-quality education and equipping you with essential skills in this field. However, we understand that finding job opportunities is a crucial aspect of your career journey. We recommend exploring various avenues to enhance your job search: a) Career Counseling: Seek guidance from career counselors who can provide personalized advice and help you tailor your job search strategy. b) Networking: Attend industry events, workshops, and conferences to build connections with professionals in your field. Networking can often lead to job referrals and valuable insights. c) Online Professional Network: Leverage platforms like LinkedIn, a reputable online professional network, to explore job opportunities that resonate with your skills and interests. d) Online Job Platforms: Investigate prominent online job platforms in your region and submit applications for suitable positions considering both your prior experience and the newly acquired knowledge. e.g in UK the major job platforms are Reed, Indeed, CV library, Total Jobs, Linkedin. While we may not offer placement services, we are here to support you in other ways. If you have any questions about the industry, job search strategies, or interview preparation, please dont hesitate to reach out. Remember that taking an active role in your job search process can lead to valuable experiences and opportunities. Q19. How do I enrol in Uplatz video courses? A19. To enroll, click on "Buy This Course," You will see this option at the top of the page. a) Choose your payment method. b) Stripe for any Credit or debit card from anywhere in the world. c) PayPal for payments via PayPal account. d) Choose PayUmoney if you are based in India. e) Start learning: After payment, your course will be added to your profile in the student dashboard under "Video Courses". Q20. How do I access my course after payment? A20. Once you have made the payment on our website, you can access your course by clicking on the "My Courses" option in the main menu or by navigating to your profile, then the student dashboard, and finally selecting "Video Courses". Q21. Can I get help from a tutor if I have doubts while learning from a video course? A21. Tutor support is not available for our video course. If you believe you require assistance from a tutor, we recommend considering our live class option. Please contact our team for the most up-to-date availability. The pricing for live classes typically begins at USD 999 and may vary.

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