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Saugat Tiwari

@saugattiwari

DevOps Engineer at Adex International who automates AWS infrastructure and supports systems processing 1M+ daily transactions.

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At Adex International Pvt. Ltd, I design and operate highly available AWS infrastructure, and automate production changes with Terraform, Terragrunt, and Ansible.

As a DevOps Engineer (Contract) at Certegy Payment Solutions, I migrated legacy applications from FIS to AWS for platforms processing 1M+ daily transactions. Security automation reduced audit-detected vulnerabilities by 40%, while containerized and serverless architectures reduced deployment time by 60%.

Earlier at Genese Solution Pvt. Ltd, I configured AWS SES and Sendy for delivery of 1M+ emails per month, improving deliverability by 30%. I also contributed to cloud environments and infrastructure troubleshooting as a DevOps Engineer Intern.

Experience

Work history, roles, and key accomplishments

Current

DevOps Engineer

Current

Adex International Pvt. Ltd

Oct 2022 - Present (4 years 1 month)

Owned the design and operation of highly available AWS infrastructure using EC2, VPC, S3, RDS, and multi-AZ architectures. Led infrastructure automation using Terraform, Terragrunt, and Ansible, and built CI/CD pipelines with AWS CodePipeline and GitHub Actions.

AWS EC2 VPC S3 RDS Terraform Terragrunt Ansible AWS CodePipeline GitHub Actions AWS ECS Cloudwatch IAM Security Groups

DevOps Engineer (Contract)

Certegy Payment Solutions

Aug 2023 - Sep 2025 (2 years 1 month)

Led legacy application migration from FIS to AWS, modernizing payment systems while maintaining uninterrupted service for platforms processing 1M+ daily transactions. Designed secure and resilient AWS architectures, reducing audit-detected vulnerabilities by 40% and deployment time by 60%.

AWS Terraform GitOps AWS ECS Kubernetes Lambda API Gateway Step Functions Redis Amazon ECR Nginx GitHub Actions AWS Grafana Cloudwatch PagerDuty mTLS WSS JWT AppViewX

Junior DevOps Engineer

Genese Solution Pvt. Ltd

May 2022 - Oct 2022 (5 months)

Automated infrastructure provisioning using Terraform, Ansible, and Packer. Configured and managed CI/CD pipelines using GitHub Actions and AWS CodePipeline, and monitored infrastructure using Nagios and AWS CloudWatch.

Terraform Ansible Packer GitHub Actions AWS CodePipeline Nagios Cloudwatch AWS SES Sendy

DevOps Engineer Intern

Genese Solution Pvt. Ltd

Mar 2022 - May 2022 (2 months)

Gained hands-on experience with AWS cloud services. Assisted in setting up cloud-based environments and troubleshooting application and infrastructure issues.

AWS Cloud Computing Troubleshooting