Abhijit Saha
Cloud Architect Aws Platform Engineer Azure Platform Engineer @Tata Consultancy Services
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WORK HISTORY
Cloud Architect Aws Platform Engineer Azure Platform Engineer @Tata Consultancy Services
Toronto, ON, CA
Architect and implement cloud-based solutions using AWS cloud strategy, focusing on high availability, security, and scalability.• Architected a robust IaC framework utilizing Terraform that standardized infrastructure provisioning processes across the organization; improved scalability and reduced deployment errors by 25%, supporting faster project delivery timelines. • Lead cloud migration projects, transitioning and segregating one company’s infrastructure to another company in AWS, reducing operational costs by 20% and changed the infrastructure provisioning process in more automated way. • Optimize AWS environments for cost, leveraging Reserved Instances, Cost Explorer, and right-sizing of resources focusing budgeting and resulting in 30% cost savings. • Conduct regular security audits and implement best practices for IAM, VPC configurations, and data encryption. • Resource creation and manage the resources in both AWS and Azure(services like Storage Account, Virtual Machine, Datafactorty, Databricks, Azure SQL DB, Azure SQL DW) focusing on high availability, security, and scalability. • Migrated huge databases from on prem SQL Server DB to Azure SQL Database as per the business needs. • Design the architectural diagram and provide cost-effective solutions for the application team at the enterprise level.• Collaborate with DevOps teams and provided administrative support to ensure seamless integration and cloud deployment. • Mentor junior cloud engineers and provide technical guidance on AWS best practices for continuous improvement
EDUCATION
Haldia Institute of Technology
Bachelor of Technology - BTech, Information Technology
Raiganj coronation High School
under graduation, Science
ABOUT ABHIJIT SAHA
Senior Cloud Architect with 14+ years of experience designing enterprise-grade, secure, and highly available AWS and Azure cloud architectures. Proven expertise in multi-cloud migration, IaC using Terraform, DevOps automation, cost optimization and database modernization. Experienced in leading global teams across Canada, Australia, and India. Expertise in enterprise Cloud Governance Framework, DevSecOps practices, and scalable multi-region platform design aligned with industry best practices. Architecture Leadership Highlights• Designed and implemented multi-account AWS architecture using Terraform• Led cloud migration initiatives from on-prem to AWS/Azure• Achieved 30% infrastructure cost optimization using FinOps practices• Designed HA/DR strategy with defined RTO/RPO• Conducted cloud security reviews aligned with AWS Well-Architected Framework• Mentored junior engineers and led cloud governance initiatives• Designed AWS Organizations-based Landing Zone and multi-account strategy.• Implemented Azure Hub-Spoke architecture for centralized networking and governance.• Established centralized observability strategy using CloudWatch, Azure Monitor, and log aggregation.
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