Sathiyaraj is available for hire

Sathiyaraj Elumalai

Verified Expert in Engineering

Cloud Architect and Developer

Chennai, Tamil Nadu, India

Toptal member since March 2, 2023

Expertise

Cloud Engineering Cloud Architecture AWS DevOps AWS Cloud Azure DevOps AWS RDS Linux AWS Agile Development Git

Bio

Sathiyaraj is a cloud architect with 12+ years of experience designing, developing, and implementing innovative business processes and system solutions in the information technology industry. He is an excellent communicator who enjoys innovating and takes pride in finding the best solutions for the most challenging problems. Sathiyaraj specializes in the architecture, design, back-end development, implementation, and management of cloud-hosted solutions in the public cloud and big data domains.

Portfolio

Walmart

Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP), Terraform...

Nissan

Amazon Web Services (AWS), Argo CD, Ansible, Autoscaling, Azure, Azure IaaS...

Cognizant

Amazon Web Services (AWS), Ansible, ARM, Terraform, Security, Docker...

Experience

Amazon Web Services (AWS) - 11 years
DevOps - 9 years
Cloud Security - 8 years
Terraform - 7 years
Ansible - 6 years
Azure - 5 years
Google Cloud - 3 years
Google Cloud Platform (GCP) - 3 years

Availability

Part-time

Preferred Environment

Amazon Web Services (AWS), Azure, Terraform, Ansible, Google Cloud, Cloud Security, Kubernetes, Azure DevOps, Jenkins, GitLab CI/CD

The most amazing...

...thing I've designed, developed, and maintained is cloud infrastructure on AWS for various clients in cross-functional collaboration.

Work Experience

Lead DevOps Engineer | Cloud and DevOps

2020 - PRESENT

Walmart

Designed and built an Azure landing zone solution to onboard new Azure subscriptions, identity, security, networking, operations, and governance for thousands of customers.
Developed Terraform modules for AWS, Azure, and GCP services to automate the provisioning lifecycle and manage different environments for different business units. Built and deployed Terraform modules via CI/CD systems with SAST and DAST.
Used Virtual Machines, Web Apps, Cosmos DB, Functions, EventHub, Cognitive, ExpressRoute, Site Recovery, Traffic Manager, Load Balancer, Firewall, IoT Hub, Monitor, Storage, Active Directory B2C—RBAC, Vent, SQL, ASE, ISE, PostgreSQL, DDOs, and Network.
Provisioned and managed infrastructure, deploying application code and automating software release monitoring your application and infrastructure performance. Hands-on with orchestration methodologies like Terraform, Ansible, and ARM template.
Built a platform to provision Azure services automatically using Terraform to user request in service now for sandbox environment.
Automated to provision Azure network components such as VNet, ExpressRoute circuits, and gateway connections. Sentinel is an embedded policy-as-code framework integrated with the HashiCorp Enterprise products.
Built CI/CD deployment models defined for the application/microservices and hands-on experience in Looper, Maven, npm, Microsoft Build, Go, Python, GitHub Enterprise, Groovy, Jira, JFrog, SonarQube, Docker, AKS, and Concord.
Built cloud services API, a Flask-RESTful application powered by Terraform for Azure, AWS, and GCP. Engaged in on-call support to resolve customer queries, incidents, etc., on non-production and production cloud environments for critical apps.
Monitored network components such as ExpressRoute, bandwidth utilization, port utilization, bandwidth gateway, gateway metrics, ARP, and BGP using Grafana and Prometheus DB.
Led cloud transformation and modernization projects, providing hands-on technical guidance and expertise in cloud-native development, Big Data analytics, and DevOps. Designed and developed highly scalable and available cloud-based products based.

Technologies: Azure, Amazon Web Services (AWS), Google Cloud Platform (GCP), Terraform, Jenkins, GitHub Actions, SonarQube, WhiteSource, Ansible, Cloud Security, DevOps, Google Cloud, Python 3, Azure ML Studio, Azure SQL, Azure IaaS, Azure PaaS, Prometheus, Automation, Grafana, Content Delivery Networks (CDN), Palo Alto Networks, Sentinel, Kubernetes, Calico, Azure Container Networking Interface (CNI), Ingress Controllers, Velero, Argo CD, Autoscaling, Azure Landing Zones, Networking, Infrastructure as Code (IaC), CI/CD Pipelines, DevSecOps, Identity & Access Management (IAM), Security, GitLab, AWS IoT, Docker, Windows PowerShell, Azure DevOps, Azure Kubernetes Service (AKS), Helm, Azure Virtual Networks, Azure Key Vault, Web Application Firewall (WAF), Datadog, MongoDB Atlas, Azure Service Bus, Monitoring, Kibana, Application Monitoring, Amazon Elastic Container Service (ECS), Amazon EC2, SQL, System Testing Pipelines, .NET, APIs, Agile, ASP.NET, Azure Bicep, Git, Cloud, GitLab CI/CD, Agile DevOps, Continuous Integration (CI), Amazon DynamoDB, TypeScript, Azure DevOps Services, AWS DevOps, PostgreSQL, AWS Cloud Architecture, Cloud Architecture, Machine Learning Operations (MLOps), AWS CloudFormation, Python, Cloud Services, Load Balancers, Scalability, Microservices, Amazon RDS, IT Security, Linux, Shell Scripting, Security Policies & Procedures, Bash, DevOps Engineer

Senior Platform Lead – Cloud and DevOps

2018 - 2020

Nissan

Designed and built an AWS landing zone solution used to onboard new AWS subscriptions, identity, security, networking, operations, and governance for thousands of customers. Defined the migration strategy, such as discovery and assessment.
Designed and built a provisioning stack for AWS services for different business units and the self-service model for customers to create their systems.
Used AWS—EC2, RDS, VPC peering, EMR, CLI, SNS, Lambda, CloudWatch, CloudTrail, ELB, KMS, STS, IAM, CloudFormation, Autoscaling, S3, Route 53, AWS Config, landing zone.

Technologies: Amazon Web Services (AWS), Argo CD, Ansible, Autoscaling, Azure, Azure IaaS, AWS Landing Zone, Terraform, AWS CloudFormation, ARM, GitHub, CI/CD Pipelines, DevSecOps, Identity & Access Management (IAM), Security, GitLab, Docker, Windows PowerShell, Azure DevOps, Kubernetes, Azure Kubernetes Service (AKS), Helm, Azure Virtual Networks, Azure Key Vault, Web Application Firewall (WAF), Datadog, MongoDB Atlas, Azure Service Bus, Monitoring, Kibana, Application Monitoring, Amazon Elastic Container Service (ECS), Amazon EC2, SQL, System Testing Pipelines, .NET, APIs, Agile, ASP.NET, Azure Bicep, Git, Cloud, GitLab CI/CD, Agile DevOps, Continuous Integration (CI), Amazon DynamoDB, TypeScript, Azure DevOps Services, AWS DevOps, PostgreSQL, AWS Cloud Architecture, Cloud Architecture, Machine Learning Operations (MLOps), Python, Cloud Services, Load Balancers, Scalability, Microservices, Amazon RDS, IT Security, Linux, Shell Scripting, Deployment, Security Policies & Procedures, Networking, Bash, DevOps Engineer

Associate

2014 - 2018

Cognizant

Worked on cloud infrastructure design and planning. Provisioned new AWS accounts for different customers to link with the master payer account.
Used Azure–VM, RBAC, Web Apps, Vent, SQL, Cosmos, Functions, EventHub, Cognitive, ASE, ISE, Storage, Express Route, Azure B2C.
Scanned our AWS environments' vulnerabilities on public-facing EC2 instances, ELB, and RDS.

Technologies: Amazon Web Services (AWS), Ansible, ARM, Terraform, Security, Docker, Windows PowerShell, Azure DevOps, Kubernetes, Azure Kubernetes Service (AKS), Helm, Azure Virtual Networks, Azure Key Vault, Web Application Firewall (WAF), Datadog, Azure Service Bus, Monitoring, Kibana, Application Monitoring, Amazon Elastic Container Service (ECS), Amazon EC2, SQL, System Testing Pipelines, .NET, APIs, Agile, ASP.NET, Git, Cloud, GitLab CI/CD, Agile DevOps, Continuous Integration (CI), Amazon DynamoDB, Azure DevOps Services, AWS DevOps, AWS Cloud Architecture, Cloud Architecture, Machine Learning Operations (MLOps), AWS CloudFormation, Python, Cloud Services, Load Balancers, Scalability, Microservices, Amazon RDS, IT Security, Linux, Deployment, Security Policies & Procedures, Networking, DevOps Engineer

Senior Cloud Engineer

2012 - 2015

Trimble

Designed and implemented a highly available web application using AWS services like EC2, Elastic Load Balancer, Auto Scaling, and RDS.
Used Terraform to implement infrastructure as code and establish best practices for security, performance, and scalability. Developed CI/CD pipelines for automated testing, building, and deployment of the application.
Developed an automated security testing framework using Amazon Inspector, GuardDuty, and Config tools. Used infrastructure as code tools like CloudFormation or Terraform to manage the deployment of the testing framework and establish best practices.
Implemented an automated deployment pipeline using Jenkins and AWS CodePipeline, reducing deployment time by 50% and increasing deployment frequency by three times.
Improved infrastructure security by implementing AWS Web Application Firewall (WAF) and security groups, reducing the number of security incidents by 80%.

Technologies: Amazon Web Services (AWS), Ansible, Argo CD, Autoscaling, AWS IAM, Amazon EC2, Azure, Docker, Azure DevOps, Kubernetes, Azure Kubernetes Service (AKS), Helm, Azure Virtual Networks, Azure Key Vault, Amazon Elastic Container Service (ECS), System Testing Pipelines, Agile, Git, Cloud, Azure DevOps Services, AWS DevOps, AWS Cloud Architecture, Cloud Architecture, AWS CloudFormation, Python, Cloud Services, Load Balancers, Scalability, Microservices, DevOps Engineer

Experience

Price Forecasting

Handled market intelligence visualization to better position our business for reducing risks and generating value creation and capture. Periodically, a trained machine learning model infers price predictions.

IoT Platform

I designed and developed a cloud-based platform to collect and analyze data from IoT devices using AWS services such as AWS IoT Core, Lambda, API Gateway, DynamoDB, and S3. Also, I used Terraform to implement infrastructure as code and establish best practices for security, performance, and scalability. Further, I implemented CI/CD pipelines for automated testing, building, and deployment of the platform.

Data Analytics

This is a cloud-based data warehousing and analytics platform. I built a cloud-based data warehousing and analytics platform using AWS services like Redshift, Glue, and Athena. Also, I used Terraform to implement infrastructure as code and establish best practices for security, performance, and scalability. Further, I developed CI/CD pipelines for automated testing, building, and deployment of the platform.

Web Application

I designed and implemented a serverless application deployment pipeline using AWS CodePipeline, CodeBuild, and CodeDeploy. Also, I used infrastructure as code tools like CloudFormation or Terraform to manage the deployment pipeline and establish best practices for security, performance, and scalability.

Education

2006 - 2010

Bachelor's Degree in Electronics and Communications

Anna University - Chennai, India

Certifications

JANUARY 2023 - PRESENT

AWS Certified Solutions Architect

Amazon Web Services (AWS)

Skills

Libraries/APIs

React

Tools

Terraform, GitHub, Jenkins, AWS CloudFormation, GitLab, GitLab CI/CD, Azure Kubernetes Service (AKS), Azure Key Vault, MongoDB Atlas, Amazon Elastic Container Service (ECS), Git, Azure DevOps Services, Ansible, Helm, Kibana, Azure ML Studio, SonarQube, Grafana, Sentinel, Velero, Ansible Tower, AWS ELB, AWS IAM, AWS CodeBuild, AWS CodeDeploy, Bamboo, Atlassian Suite, Apache Maven, uDeploy, TeamCity

Languages

Python, Bash, Java, Python 3, SQL, TypeScript, J

Frameworks

.NET, Windows PowerShell, ASP.NET, Flask

Paradigms

DevOps, DevSecOps, Azure DevOps, Agile, Continuous Integration (CI), Microservices, Automation

Platforms

Amazon Web Services (AWS), Azure, Kubernetes, Amazon EC2, AWS IoT, Docker, Linux, Google Cloud Platform (GCP), Azure IaaS, Azure PaaS

Storage

Amazon DynamoDB, Google Cloud, Datadog, PostgreSQL, Azure SQL

Other

GitHub Actions, Networking, Infrastructure as Code (IaC), CI/CD Pipelines, Identity & Access Management (IAM), Security, Azure Virtual Networks, Web Application Firewall (WAF), Monitoring, System Testing Pipelines, Cloud, Agile DevOps, AWS DevOps, AWS Cloud Architecture, Cloud Architecture, Machine Learning Operations (MLOps), Cloud Services, Load Balancers, Scalability, Amazon RDS, IT Security, Deployment, DevOps Engineer, Cloud Security, Azure Service Bus, Application Monitoring, APIs, Azure Bicep, Shell Scripting, Security Policies & Procedures, WhiteSource, Prometheus, Content Delivery Networks (CDN), Palo Alto Networks, Calico, Azure Container Networking Interface (CNI), Ingress Controllers, Argo CD, Autoscaling, Azure Landing Zones, AWS Landing Zone, ARM, AWS CodePipeline, JFrog

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