Today, we recognize someone leading mainframe innovation on two powerful fronts—modernizing the platform itself and creating one of the largest grassroots mainframe communities in the world.
Senthil Nathan
Head of Product, IBM Z DevX
Founder, MainframerIndia
Chennai, Tamil Nadu, India
Connect with Senthil on:
View the entire 2025 Influential Mainframers group here.
With more than 20 years in the software industry, Senthil Nathan brings a unique blend of technical leadership and community-driven vision to the mainframe space. As Head of Product for IBM Z DevX, he leads strategy and execution across IBM’s zDevOps portfolio—improving developer experience, enabling agile practices, and delivering the modern tooling needed to thrive in hybrid cloud environments.
His product management work spans automated testing, build and deploy tooling, application discovery, and integration with IBM and third-party solutions. He collaborates closely with engineering, support, marketing, and sales teams to deliver high-impact, customer-focused solutions. Senthil’s efforts have helped enhance performance, user experience, and cross-platform connectivity in mainframe development workflows.
Prior to IBM, Senthil held senior technical and product roles at HCL Software and Cognizant, guiding DevOps transformation initiatives and overseeing product development for continuous delivery solutions used across large enterprises.
Outside his day job, Senthil is the founder of MainframerIndia, a Slack-based community of over 1,500 professionals. The platform supports educational webinars, career networking, and in-person meetups, helping India-based mainframers navigate the industry and connect with opportunity. In the past year, he has helped hundreds of mainframe professionals find jobs and continues to share global openings through System Z Enthusiasts Discord and the MainframerIndia Substack.
His leadership has reshaped how and when community events are scheduled, ensuring sessions are accessible to India-based professionals, not just global audiences.
In 2025, Planet Mainframe is proud to recognize Senthil Nathan as one of our Influential Mainframers.
Influential Mainframer
Mainframe technology continues to evolve because of the dedicated professionals, educators, mentors, and innovators who drive it forward. We’re shining a spotlight on the individuals who are making waves—whether they’re advancing technology, mentoring new talent, sharing knowledge, championing modernization, or quietly keeping mission-critical systems running every day. These are the people shaping the future of mainframe. They come from all backgrounds and experience levels, but they all have one thing in common: they’re making a difference.
Check back daily as we reveal a new honoree. Read their stories, celebrate their impact, and be inspired.
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