Sundarahari Kannan

Passionate Mainframe Architecture Leader with a proven track record of guiding teams in the design, development, and optimization of mainframe systems. Proficient in modernization, performance optimization, and the full life cycle of batch and online business applications. Actively seeking a strategic leadership position to contribute visionary guidance and technical expertise, elevating organizational success in mainframe architecture. I have held pivotal roles, including Head of Mainframe Architect, Project Lead, Technical Lead, Onsite-Offshore Coordinator, Systems Developer, and Programmer Analyst. Orchestrated a comprehensive roadmap for Mainframe modernization, showcasing leadership in pioneering transformative initiatives. Led the development of an innovative Mainframe infrastructure and successfully modernized applications, demonstrating visionary leadership in transformative initiatives. Managed a platform supporting a $1 trillion business, overseeing 2200+ developers, environment, roadmap, and establishing reference architecture.

• Reading Books
• Movies
• Playing with My Dogs

harikris2k@aol.com

• Played key roles, including Head of Mainframe Architect, Project Lead, Technical Lead, Onsite-Offshore Coordinator, Systems Developer, and Programmer Analyst.
• Strategically devised a comprehensive roadmap for orchestrating the Mainframe modernization, demonstrating leadership acumen in pioneering transformative initiatives.
• Championed the development of a forward-thinking Mainframe infrastructure and spearheaded the successful modernization of applications, demonstrating visionary leadership in driving transformative initiatives.
• Executed the development of Rest APIs and seamlessly migrated Mainframe source code to Gitlab, fostering a modernized and collaborative development environment.
• Championed the upskilling of Mainframe developers, ensuring alignment with evolving technological trends.
• Led the seamless integration of mainframe platforms with cutting-edge data virtualization tools such as Denodo and DVM, driving enhanced data accessibility and agility in a leadership capacity.
• Championed the introduction of cutting-edge API-driven data access methodologies, revolutionizing data accessibility by implementing innovative approaches, including the seamless access of VSAM files.
• Exemplary leader skilled in dissecting mainframe SMF data and formulating holistic Mainframe end-to-end architecture, showcasing expertise in analytical leadership and strategic vision.
• Devised a solution for Mainframe assets to seamlessly integrate with external APIs.
• Led the migration from legacy Mainframe technology to modern Java, ensuring a smooth transition and enhanced system efficiency.
• Engineered end-to-end infrastructure for hosting Rest APIs and implemented SSL-based authentication connections, enhancing security and performance.
• Implemented multi-factor authentication for all online CICS Mainframe screens, fortifying system security.
• Led the RACF keyring setup for Zos Java applications, facilitating secure JWT creation for APIGEE, APIM, and Standalone Java applications in CICS, KAFKA in both batch and online modes.
• Orchestrated the automation of new and renewal certificate processes, enhancing efficiency and accuracy.
• Introduced Code review practices, enhancing code quality and team collaboration.
• Demonstrated excellence in optimizing both batch and online DB2 applications, achieving significant performance enhancements.
• Showcased expertise in designing and implementing cost-effective applications, successfully completing proof-of-concepts for Legacy Modernization.
• Excelled in the conversion of COBOL to Java within the Mainframe environment, showcasing adaptability to modern technologies.
• Automated manual data mining processes, leading to increased team productivity and improved data quality.
• Successfully optimized both batch and online DB2 applications, resulting in significant cost savings and performance improvements.
• Initiated efficiency improvements, scalability enhancements, and stabilized batch cycles, addressing process redundancies and improving technical object performance.
• Established a complete QA infrastructure for applications, ensuring robust testing processes.