I am a Mainframer with Marcus Davage | How Curiosity Built a 30-Year Career?
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In this episode of the I Am A Mainframer series, host Stephen interviews Marcus Davidge, a lead product developer at BMC Software and podcast host for iDUG's DB2 Table Talk. Marcus shares his journey from a childhood fascination with early computing—starting with a Commodore PET at a Welsh Eisteddfod—to a 30-year career deeply rooted in DB2 and mainframe technology. His career began at British Steel in the late 1980s, where he was introduced to the 3270 terminal, sparking a lifelong passion for curiosity-driven learning. Marcus emphasizes that staying curious and embracing a 'tinkerer' mindset—experimenting, playing, and constantly learning—has been the cornerstone of his career, enabling him to transition across platforms like OS/2, Windows, AS400, and Linux while remaining a DB2 expert. He now works in R&D at BMC, focusing on AI and AI agents for mainframe customers, and remains deeply involved in open source through the Open Mainframe Project. Marcus encourages younger professionals to explore emerging technologies like AI and quantum computing in conjunction with mainframes, highlighting the platform’s modern relevance and innovation. The conversation underscores how curiosity, not just technical skill, can build a sustainable and impactful career in enterprise technology.
Curiosity and a tinkerer mindset are more valuable than formal credentials for long-term career growth in tech.
DB2's cross-platform presence (mainframe, Linux, Windows, AS400) enables career mobility and deep domain expertise.
Mainframes are not legacy—they are evolving with AI, quantum-safe encryption, and hybrid cloud integration.
Open source projects welcome non-coders; contributions like podcasting, marketing, and community outreach are highly valued.
Young professionals should explore the intersection of AI, quantum computing, and mainframes to stay ahead of the curve.
Introduction to the I Am A Mainframer Series
Host Stephen introduces the I Am A Mainframer series, part of the Mainframe Connect podcast, highlighting its mission to showcase the personal and professional journeys of mainframe professionals.
Marcus Davidge’s Background and Career Origins
Marcus introduces himself as a lead product developer at BMC Software and shares his early life in South Wales, including his first encounter with computing at a 1981-82 Eisteddfod with a Commodore PET.
From Commodore to 3270: The First Mainframe Encounter
Marcus recounts his first hands-on experience with a real 3270 terminal at British Steel in 1988, marking the beginning of his mainframe journey, and reflects on the evolution of early personal computing.
DB2 as a Career Anchor Across Platforms
Marcus discusses his deep expertise in DB2, developed across multiple platforms including OS/2, Windows, AS400, and Linux, and how this versatility enabled career progression through major organizations like Lloyd’s Bank.
The Power of Curiosity and the Tinkerer Mindset
“It's all about staying curious. No matter what age you are. Can you just say it again because that is just... Absolutely foundational, I think, for so many people.”
“It's all about staying curious. No matter what age you are. Can you just say it again because that is just... Absolutely foundational, I think, for so many people.”
“Five years there will be a marriage between AI on the mainframe and possibly quantum computing.”
“I get to be paid to tinker. So I'm in research and development. I'm part of Dave Jeffries' team. And we are working on AI and AI agents and what they can do for our customers.”
Host
Guest
Marcus Davidge
person
DB2
other
Stephen
person
Open Mainframe Project
organization
Linux
other
BMC Software
organization
British Steel
organization
iDUG
organization
3270 Terminal
other
IBM Z Series
other
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