Kumar Nagarajan
Certified AI Engineer & Mainframe Modernization Solution Architect
Oakville
Summary
Strategic Solution Architect with 20+ years of experience delivering Enterprise modernization, Cloud Migration, and Digital transformation across Banking, Financial and Insurance Industries, now specializing in the intersection of Mainframe Modernization and Artificial Intelligence. Expert in legacy systems (COBOL, IDMS, AS400, DB2, CICS), cloud‑native architectures, microservices, and AI‑driven automation. Skilled in modernization roadmaps, solution design, prompt engineering, and leading cross‑functional teams through complex transformation programs. Proven track record in migrating complex legacy ecosystems to AWS/Azure and implementing AI Ops to automate enterprise workflows. Expert at architecting Data Lakes and High-Value AI/ML use cases that transform monolithic legacy data into actionable, intelligent insights. Capstone AI projects include Single Agentic Data Request Processor and Multi-Agentic Legacy code Assistants for COBOL-Python transformation, CICS-Python transformation and JCL-Python Transformation.
Overview
21
21
years of professional experience
5
5
Certifications
Work History
AI Engineer, Mainframe Modernization Solution Arch
CGI
11.2021 - Current
Solutions Architect Lead
Royal Bank of Canada
07.2019 - 10.2021
Azure Data Lake & Data Migration Lead, Mainframe-Micro-Services Lead
Manulife Affinity Markets
10.2018 - 04.2019
Technical Program Manager
Tata Consultancy Services Canada Inc.
01.2013 - 01.2018
Technical Lead
HCL America Inc.
01.2007 - 01.2013
Technical Lead
HCL Technologies Ltd.
01.2006 - 01.2007
Software Developer
HCL Technologies Ltd.
01.2005 - 01.2006
Education
Bachelor of Engineering - Computer Science
Arulmigu Kalasalingam College of Engineering
India05.2004
Skills
Modernization: Re‑host, Re‑platform, Re‑factor, Re‑engineer, Legacy Assessment
Cloud: AWS (EC2, VPC, ELB, EBS, S3, Aurora PostgreSQL, IAM, CloudWatch), Azure
Architecture: Microservices, APIs, Event‑Driven Design, Containerization
AI & Automation: AI‑driven code analysis, refactoring, dependency mapping AI‑assisted datamapping, ETL optimization, anomaly detection LLM‑based automation for documentation, testing, code generation AI Ops for predictive monitoring and automated remediation
Prompt Engineering Basics (task‑specific prompts, chain‑of‑thought prompting, iterative refinement, system instruction design)
Data: Data Migration,Data Lake, ETL, Integration Layers, Big Data
Programming: Python, React, Django, Ansible, COBOL, JCL, CICS, VSAM, IDMS, DB2
Enterprise: Digital Transformation, Telematics, FATCA, IFRS 17
Leadership: Technical Program Leadership, Solution Design, Stakeholder Management
Accomplishments
AI Engineer Capstone Projects :
Single Agentic Data Request Processor
Multi-Agentic Legacy Code Assistants for COBOL, CICS, JCL to Python
Certified AI Engineer, Prompt Engineer, AWS Solutions Architect
· Project Management Professional
· Scale Agile Certified Release Train Engineer
· Certified Scrum Master
· ITIL V3
Certification
AWS Solutions Architect
Timeline
AI Engineer, Mainframe Modernization Solution Arch
CGI
11.2021 - Current
Solutions Architect Lead
Royal Bank of Canada
07.2019 - 10.2021
Azure Data Lake & Data Migration Lead, Mainframe-Micro-Services Lead
Manulife Affinity Markets
10.2018 - 04.2019
Technical Program Manager
Tata Consultancy Services Canada Inc.
01.2013 - 01.2018
Technical Lead
HCL America Inc.
01.2007 - 01.2013
Technical Lead
HCL Technologies Ltd.
01.2006 - 01.2007
Software Developer
HCL Technologies Ltd.
01.2005 - 01.2006
Bachelor of Engineering - Computer Science
Arulmigu Kalasalingam College of Engineering
CONTACT
- +1-647-927-9330
- Kumar.Nagarajan@icloud.com
- 2140 Pine Glen Road, Oakville ON L6M 5B4