Subhasri Devadass Email & Phone Number

Canada

• Led automation of infrastructure provisioning using Terraform and CloudFormation, ensuring consistent, scalable deployments and eliminating manual configuration errors across all environments• Optimized continuous integration and delivery pipelines using Jenkins and AWS Code Pipeline, leading to marked improvements in code quality and deployment speed• Designed and managed CI/CD pipelines using AWS CodeBuild, Code Deploy, and Jenkins, streamlining deployments and reducing errors, contributing to faster release cycles • Deployed and orchestrated Kubernetes clusters with Docker, enhancing containerized microservice performance and scalability for high-availability environments• Utilized Docker with AWS ECS for container orchestration, reducing application deployment times by 40% and improving scalability across environments• Led the architecture and deployment of Linux servers on AWS, leveraging EC2, EBS, SNS, EKS, ECS, IAM, and S3 to ensure high availability, fault tolerance, and auto-scaling, minimizing hands-on involvement • Created self-healing infrastructure using AWS Auto Scaling and Route53, ensuring high availability and fault tolerance without manual intervention• Enhanced cloud security by enforcing IAM policies, conducting regular audits, and utilizing AWS Secrets Manager to improve security compliance• Implemented monitoring solutions using Prometheus and CloudWatch for real-time performance insights, enhancing early detection and automated alerting to reduce incident resolution times• Integrated Nagios with ServiceNow to streamline the incident management process, enhancing response times and incident resolution efficiency• Applied ITIL best practices (incident, change, and problem management) within ServiceNow, maintaining a 98% compliance rate for SLA adherence• Monitored SLAs, SLOs, and SLIs to ensure reliable service performance, while managing IaaS (AWS EC2, S3), PaaS (AWS Lambda, Elastic Beanstalk), and SaaS (ServiceNow, GitHub)

India

• Ensured system reliability across critical services and infrastructure, maintaining a 99.9% reliability of operational systems through vigilant monitoring• Drove system reliability initiatives, maintaining operational uptime of 99.9% through proactive monitoring and rapid incident response with tools like Nagios • Led incident response for major outages, coordinating with cross-functional teams to ensure timely resolution, reducing downtime across multiple systems• Conducted root cause analysis and post-mortems for critical incidents, identifying trends and implementing preventive measures to mitigate future risks• Created and maintained automation scripts using Python and Bash, streamlining operational workflows, improving efficiency, and minimizing human error• Adopted (IaC) best practices using Terraform and Ansible, version controlling all infrastructure changes and enabling faster disaster recovery with automated rebuilds• Administered and refined Infrastructure as Code (IaC) practices using Terraform for cloud provisioning, achieving consistency and robust version control across environments• Administered AWS and Azure cloud infrastructure, optimizing EC2, RDS, and VMs through rightsizing and auto-scaling, improving resource utilization and reducing cloud costs by 20%• Formulated disaster recovery and backup strategies employing AWS S3 and Azure Blob Storage, cutting system recovery times by 40% in emergency scenarios• Compiled comprehensive reports on system performance, availability, and cost optimization, delivering actionable insights to stakeholders for ongoing system enhancements• Collaborated with security teams to enforce compliance and security policies, conducting regular audits and vulnerability assessments, and improving system security • Worked closely with development and operations teams to implement SLOs and SLIs, improving service reliability and aligning with business goals

India

• Oversaw the operational health of over 5000 Linux and Windows servers, network devices, and databases using Nagios, significantly decreasing downtime by actively supervising and alerting.• Managed network device configuration and observation using SNMP Polling and SNMP Traps, which enhanced issue detection and expedited troubleshooting processes• Generated monthly audit reports on system performance and compliance for Azure Blob and AWS S3, enhancing reporting accuracy and providing critical insights for continuous system improvements• Automated infrastructure provisioning and configuration management using CloudFormation, and Ansible, reducing configuration time and ensuring infrastructure consistency• Enhanced system reliability through continuous monitoring and alerting, ensuring stability across live environments and improving system performance through proactive issue detection• Collaborated with cross-functional teams to define service level objectives (SLOs) and service level indicators (SLIs), aligning infrastructure reliability with business goals