An Introduction to the z/OS Environment
An Introduction to the z/OS Environment by IBM equips IT professionals new to mainframes with foundational knowledge of z/OS architecture, security, systems management, and enterprise connectivity. Designed for technical personnel without prior MVS or OS/390 experience, it addresses the industry’s urgent need for z/OS skills—over 70% of Fortune 500 companies still rely on IBM Z for core transaction processing. This course builds the critical understanding required to support high-availability, secure enterprise environments.
It prepares learners for the IBM z/OS Practitioner certification, enhancing career pathways in system administration and security. Koenig Solutions reinforces this with official vendor-authorized courseware and 30-day hands-on lab access, enabling practical mastery. Graduates gain the confidence to operate mission-critical systems in a globally dominant computing platform.
Training Formats & Pricing
100% Happiness Guarantee · Free Rescheduling · Secure Payment
Course Overview
The IBM course *An Introduction to the z/OS Environment* provides a foundational understanding of IBM's flagship mainframe operating system, designed for IT professionals new to the z/OS platform. This course serves as a critical stepping stone for individuals pursuing roles such as system administrator, mainframe application developer, or system programmer—positions in high demand as over 68% of global financial transactions continue to run on IBM Z systems. Targeted at those without prior MVS or OS/390 experience, the course aligns with the skills assessed in the IBM z/OS Mainframe Practitioner certification, offering a structured path for entering the mainframe workforce. It is ideal for technical staff seeking to support enterprise-level computing environments where reliability, scalability, and security are paramount.
Students engage with core z/OS technologies including TSO/E, ISPF, JCL, z/OSMF, and UNIX System Services, gaining familiarity with the tools that drive mainframe operations. The hands-on lab component, conducted on a live IBM Z server, allows learners to perform real-world tasks such as navigating ISPF panels, executing TSO commands, allocating and managing data sets, and submitting JCL jobs. Using the actual z/OS command line and panel interfaces, students complete practical scenarios like configuring system libraries and exploring data management with VSAM, all within an authentic mainframe environment. This direct interaction with IBM's enterprise-grade infrastructure ensures that skills learned are immediately applicable in production settings.
Completing *An Introduction to the z/OS Environment* prepares learners for the IBM z/OS Mainframe Practitioner certification, an industry-recognized credential that validates core competencies in mainframe operations. Certified professionals report higher employability, with roles often commanding salaries exceeding $90,000 annually in North America. Koenig Solutions enhances this learning journey with Guaranteed-to-Run scheduling and access to official IBM courseware, ensuring consistent, high-quality training. Upon completion, graduates are positioned to advance into specialized roles such as security specialist or modernization architect, meeting the sustained industry need for skilled z/OS talent in the evolving IT landscape.
What You'll Learn
Skills You'll Gain
Certification Exam
Everything you need to know about the An Introduction to the z/OS Environment certification exam
Course Curriculum
Structured learning with hands-on labs and real-world scenarios
1
Day 1– Mastering Enterprise Server Requirements and IBM z/OS Foundations (Duration: 8 hours)
2
Day 2– Advanced Security, Systems Management, and IBM Hardware (Duration: 8 hours)
What's Included in Your Training
Every enrollment comes packed with resources to maximise your learning and exam success
Official Courseware
Hands-On Lab Environment (30 days)
Exam Preparation Materials
Practice Test Questions (200+)
Certificate of Completion
Post-Training Support (30 days)
Session Recording Access
Free Rescheduling (7+ days notice)
Hands-On Lab
Live Lab Sandbox
Real EnvironmentPractice in a real lab environment with full access to the tools and services covered in the course.
30+ Guided Labs
30+Step-by-step lab exercises designed to reinforce each module with practical, hands-on tasks.
Lab Manual Included
Full GuideComprehensive lab guide with detailed instructions, screenshots, and troubleshooting tips.
Post-Training Access
30 Days30 days of extended lab access after your training ends so you can continue practicing.
Career Outcomes
of An Introduction to the z/OS Environment certified professionals report career advancement within 6 months
Salary Impact
Average salary increase reported after obtaining the An Introduction to the z/OS Environment certification
*Source: Glassdoor / LinkedIn 2025
Job Roles
- Mainframe Application Developer
- z/OS System Programmer
- Mainframe Systems Administrator
- DBA Practitioner
- Mainframe Operations Analyst
- z/OS Support Specialist
Companies Hiring
and 5,000+ organizations worldwide seeking An Introduction to the z/OS Environment certified professionals
Course Student Reviews
Real results from IT professionals who trained with Koenig — rated 4.9/5 from 18,400+ verified reviews.
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★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
-
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified -
★★★★★
“Passed AZ-104 on first attempt. The MCT knew the exact exam patterns and the labs were exactly what Microsoft tests. Worth every penny.”
AZ-104 Certified ✓ Verified -
★★★★★
“I trained 15 of my team members for SC-200. Koenig's on-site delivery was seamless and all 15 passed within 3 months.”
Enterprise Client ✓ Verified -
★★★★★
“The 1-on-1 format was a game changer. My trainer adjusted the pace to my schedule and I cleared PL-300 while working full-time.”
PL-300 Certified ✓ Verified
-
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified -
★★★★★
“From AZ-900 to AZ-305 in 6 months. Koenig's structured roadmap and MCT mentoring made the expert level achievable.”
AZ-305 Expert ✓ Verified -
★★★★★
“As an L&D head I've used 5 training vendors. Koenig's MCT quality, MOC materials, and ESI compliance is in a different league.”
100+ Learners Trained ✓ Verified -
★★★★★
“SC-900 and SC-300 back to back — both cleared first try. The security curriculum at Koenig is incredibly thorough and up to date.”
SC-300 Certified ✓ Verified
-
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified -
★★★★★
“AI-102 was daunting but the trainer broke it down perfectly. Real Azure OpenAI labs made the difference. Highly recommend.”
AI-102 Certified ✓ Verified -
★★★★★
“DP-600 Fabric certification done in 3 weeks of part-time study. The customised schedule around my timezone was a lifesaver.”
DP-600 Certified ✓ Verified -
★★★★★
“Our whole DevOps team got AZ-400 certified through Koenig's corporate training. Smooth logistics and top-tier MCTs throughout.”
AZ-400 Team Training ✓ Verified
Frequently Asked Questions
Everything you need to know about the An Introduction to the z/OS Environment training course
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