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Posts by Marcus Chen

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Modern mainframe programming environment with AI integration, open source tools, and cloud connectivity in 2025-2026
Programming the Mainframe in 2025-2026 – What It Actually Takes to Be a Mainframe Programmer Right Now
The 4 Mainframe Modernization Challenges Every CTO Faces (And Real Solutions)
IBM, CA Broadcom, BMC, Rocket: Mainframe Modernization Strategy
Mastering Mainframe Modernization: A Practical 12-Month Learning Plan for IT Professionals
Why College Students and Fresh Graduates Should Learn Mainframe Modernization in 2025
Strategic Mainframe Modernization: Beyond Technology to Business Transformation
Banking Mainframe Modernization: Strategic Patterns for Digital Financial Services
Breaking the Mainframe Monolith: Real-World API Strategies with IBM zConnect
The CEO’s Guide to Mainframe Modernization 2025
CEO’s Guide to Mainframe Modernization
Mainframe API Modernization: Step-by-Step Implementation Guide
"Avoid costly mainframe modernization mistakes. Learn the top 10 pitfalls that derail legacy system projects and how to prevent them in your organization."
Mainframe Modernization Pitfalls: 10 Critical Mistakes to Avoid
Mainframe Modernization: Complete Guide for 2025 – Strategies, Benefits & Best Practices
Advanced Mainframe Integration: Zowe, Orchestration, and Production-Ready APIs
Demystifying zSecure: Understanding Its Core Data Sources
About Marcus Chen
Marcus Chen is a Senior Mainframe Architect with over 22 years of experience designing and modernizing enterprise systems for Fortune 500 companies. After starting his career as a COBOL programmer at a major insurance company in 1998, Marcus transitioned into architecture roles, specializing in mainframe-to-cloud migration strategies. He holds certifications in IBM zSystems, AWS Solutions Architect, and Azure Enterprise Architect. Marcus has led modernization projects totaling over $50M in infrastructure transformation and currently consults for financial services and healthcare organizations navigating legacy system upgrades.

Mainframe Modernization: The Complete 2025 Guide to Modernization Strategies, Hybrid Approaches, and Cloud Migration

Posted by By Marcus Chen October 8, 2025
Executive Summary Let's cut through the noise. Modernizing mainframes isn't about ripping out systems that process Majority of the world's credit card transactions. That would be insane. The market's growing…
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  • Home
    • Programming the Mainframe in 2025-2026 – What It Actually Takes to Be a Mainframe Programmer Right Now
    • Mainframe Modernization: The Complete 2025 Guide to Modernization Strategies, Hybrid Approaches, and Cloud Migration
    • The 4 Mainframe Modernization Challenges Every CTO Faces (And Real Solutions)
    • IBM, CA Broadcom, BMC, Rocket: Mainframe Modernization Strategy
    • Mainframes powering your shopping addiction since ’60s
    • I eat cloudservers as crisps – Mainframes
    • IMS: The “Dead” Database That Predicted NoSQL. 
    • The Secret Supercomputers Running Your Life (And You’ve Never Heard of Them)
    • Mainframe Modernization Blog Series: A Complete 12-Month Learning Journey
    • Mastering Mainframe Modernization: A Practical 12-Month Learning Plan for IT Professionals
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