AWS Cloud Engineer - DevOps & CI/CD Specialist

Dhivyarohini Ragunathan

https://www.linkedin.com/in/dhivyarohini-ragunathan-4900b9311/

**** ****** ******* ****

Cumming, GA, USA

m: 678-***-****

*************@*****.***

Career Objective

Passionate and results-driven IT professional seeking a DevOps Engineer position, dedicated to leveraging automation, continuous integration, and infrastructure as code to optimize operational efficiency.

Professional Experience

Cloud(SiteReliability) Engineer/DevOps Engineer with 5+ years’ experience designing, implementing, and optimizing secure, scalable, and high-performance AWS solutions. Proven track record in client-facing delivery — gathering requirements, leading architecture design workshops, and guiding enterprise customers through successful migrations and modernization initiatives.

Deep expertise in AWS architecture, Infrastructure as Code, CI/CD automation, container orchestration, and cloud security. Adept at collaborating with technical and business stakeholders to deliver solutions that align with both business outcomes and AWS best practices.

Proficient in CI/CD integration using Jenkins, Bitbucket, and GitHub; developed custom Jenkins pipelines using Groovy and shared libraries to streamline deployment of microservices.

Skilled in version control and Software Configuration Management (SCM), including branching, merging, and tagging in Git and Bitbucket, with experience in Agile, Scrum methodologies.

Delivered automated build and deployment processes through pipelines integrated with CloudFormation, Bitbucket, and Python scripts for AWS application deployment.

Building Docker images, configuring deployments, and integrating with AWS services like CloudWatch, IAM, and VPC. Managed the full container lifecycle—including deployment, scaling, monitoring, and security—while collaborating with developers and DevOps teams to integrate container workflows into CI/CD pipelines and enforce best practices.

Experienced in creating and managing AWS Service Catalog products and templates for consistent resource provisioning across environments.

Proficient in container technologies and implementing cloud monitoring solutions using AWS CloudWatch to track performance, availability, and operational metrics.

Strong mentoring capabilities, having assisted in onboarding new engineers by providing training on project-specific tools, infrastructure, and cloud architecture decisions.

Technical Skills

Cloud Architecture & Design(AWS)

EC2, S3, RDS, Route 53, Lambda, API Gateway, IAMroles and Policies,SecurityGroup and its SG-rules, CloudFront, CloudWatch, SNS, SQS, SES, WAF, Cognito, Secrets Manager, EventBridge, Schedulers, NLB/ALB, Aurora, Batch, RDS Proxy, ECR, ECSFargateCluster, StepFunctions, GlueJob,VPC.

CI/CD & DevOps Tools

Jenkins (Declarative Pipelines, Multi-branch Pipelines, Pipeline Generator),Bitbucket (Version Control, Branching Strategy),Git / GitHub, CI/CD Deployment Strategies, Maven, ArgoCD (familiarity), multi-branch pipelines

Infrastructure As Code

Terraform, AWS – Cloud Formation, AWS Service Catalog

Containers & Orchestration

Docker, Docker Compose, Kubernetes (EKS), ECS, Helm, containerized microservices

Security & Compliance

IAM Policies & Role Management, Network Security, Data Encryption, AWS Security Best Practices

Configuration Management

GIT,GitHub and BitBucket

Operating Systems

Windows, Linux

Monitoring & Logging

AWS CloudWatch, Prometheus (basic), Grafana (introductory)

Automation & Scripting

Python, Bash, Shell scripting, Lambda functions

Migration & Modernization

On-prem to AWS migrations, serverless transitions, cost optimization

Client Engagement

Requirement gathering, architecture workshops, stakeholder presentations, mentoring

RKUBE INC, RALIEGH, NC, USA,

Aug 2023 to Present

CLOUD ENGINEER/ SITE RELIABILITY ENGINEER

CONTRACTED TO TECH MAHINDRA

CLIENT: NISSAN DIGITAL NISSAN GROUP OF NORTH AMERICA

April 2024 to Present

ROLES & RESPONSIBILITIES: AWS CLOUD ENGINEER

Developed Infrastructure as Code (IaC) templates using AWS CloudFormation to enable repeatable deployments aligned with ERB Architecture and Service Catalog blueprints; integrated with Bitbucket repositories for source control.

Architected and provisioned AWS environments using CloudFormation, Terraform, and AWS Service Catalog, enabling repeatable, compliant deployments across dev, stage, and prod.

Led the design and implementation of AWS cloud architectures, aligning solutions with Nissan security and performance standards.

Conducted requirement-gathering sessions with application teams and stakeholders to define migration strategies and target architectures.

Designed and implemented multi-branch CI/CD pipelines in Jenkins, integrating with Bitbucket and CloudFormation for zero-downtime deployments.

Provisioned AWS resources using AWS Service Catalog products based on CloudFormation templates.

Designed and implemented cloud infrastructure solutions tailored to client needs, incorporating secure network configurations and AWS best practices.

Collaborated with cross-functional teams to define technical requirements and provision AWS infrastructure.

Migrated 20+ on-premise applications to AWS using refactoring strategies; established environment-specific branches in Bitbucket for CI/CD across dev, stage, and prod.

Created Jenkins declarative pipelines and automated CI/CD workflows using pipeline generators.

Regularly reviewed AWS architectures for compliance with Nissan Security Standards, recommending high-availability and cost-optimized solutions.

Implemented cloud security best practices including network security, encryption, and fine-grained IAM access control.

Applied AWS security best practices: fine-grained IAM, encryption, network segmentation, and WAF configurations.

Created CloudWatch dashboards, alarms, and metrics for proactive monitoring of performance and availability.

Deployed and managed containerized applications using Docker and ECS; implemented container lifecycle strategies and automated image builds.

Supported lift-and-shift AWS migrations from on-premise data centers, ensuring minimal downtime and adherence to best practices.

Developed and maintained multi-branch Jenkins pipelines, standardizing templates for application teams.

Designed and executed CI/CD deployment strategies leveraging Jenkins, increasing release efficiency and consistency.

Provisioning all listed AWS services according to the need of application team, AWS services - EC2, Route53, S3, RDS, SNS, SES, SQS, Lambda, WAF, Cognito, API Gateway, CloudWatch, Secrets Manager, EventBridge, CloudFront, ECR, Load Balancers, and more.

Used Bitbucket extensively for version control, maintaining multiple branches and leveraging parameterized Jenkins pipelines for multi-environment deployments.

Managed IAM roles and fine-grained policies to ensure principle of least privilege and compliance with security standards.

Created CloudWatch metrics, alarms, and dashboards to monitor infrastructure health and performance.

Automated AWS resource provisioning and backup strategies using Terraform and Lambda functions.

Mentored and trained junior cloud engineers on infrastructure provisioning and DevOps practices.

Transitioned legacy infrastructure to serverless architectures using Lambda, API Gateway, S3, and Route53.

Built and tested AMI images for infrastructure and application deployments across different environments.

Applied software configuration management processes using Git/GitHub, supporting continuous delivery through automation of build and migration pipelines.

Authored CloudFormation templates in YAML and JSON for multi-region, multi-tier application deployments.

Managed AWS IAM permissions for users and resources, ensuring secure and compliant cloud environments.

Integrated Terraform to version control AWS infrastructure, automating the lifecycle of Amazon Machine Images (AMI) and snapshots for disaster recovery and backup.

Defining container images:- Creating Dockerfiles, building container images, and managing them in registries like ECR.

Configuring container deployments:- Setting up task definitions, service definitions, and deployment strategies using AWS services.

Integrating with other AWS services:- Integrating containerized applications with services like CloudWatch for logging and monitoring, IAM for security, and VPC for network isolation.

Deploying and scaling containers:- Using ECS or EKS to deploy, scale, and manage containerized applications in the cloud.

Handling container networking:- Configuring networking rules, service discovery, and load balancing within the container environment.

Monitoring container health and performance: Utilizing CloudWatch, Prometheus, and other tools to monitor the health and performance of containers and applications.

Updating and patching container images: Ensuring that container images are kept up-to-date with the latest security patches and versions.

Implementing security best practices: Using IAM roles, network isolation, and security groups to protect containers and applications from unauthorized access.

Scanning container images for vulnerabilities: Using tools like Trivy or Anchore to scan container images for security vulnerabilities.

Implementing container security policies: Enforcing security policies and configurations at the container level.

Working with developers: Collaborating with developers to build, test, and deploy containerized applications.

Supporting DevOps practices:- Integrating containerization into CI/CD pipelines and automating deployments. Providing guidance and support to other team members on containerization best practices.

Skills: Amazon Web Services (AWS)- EC2, S3, RDS, Route 53, Lambda, Batch, Security groups, API Gateway, IAM, CloudFront, CloudWatch, SNS, SQS, SES, WAF, Cognito, Secrets Manager, EventBridge, ELB/ALB, Aurora, Batch, RDS Proxy, ECR, Containerization (Docker, ECS, EKS), VPC, CI/CD Integration, Container Security, Infrastructure Automation, Networking & Load Balancing, Vulnerability Scanning, and DevOps Collaboration.

MITHUN TECHNOLOGIES, BANGALORE, INDIA,

Aug 2023 to March 2024

DEVOPS TRAINEE

From 2012 to 2023, I took a hiatus from my professional career to focus on raising my children and managing family commitments. This period allowed me to develop invaluable skills such as time management, organization, and effective communication. I undergone Online training DevOps Master Program, Infrastructure As a Code using Terraform which covers below topics

DevOps Introduction –, DevOps Lifecycle, DevOps Tools, SDLC,

Linux – Introduction Linux OS, Commands, File/Directory Structures

Shell Scripting – how to construct shell scripting program

Git – Administration, Creation of repository, branches and tags, How we can handle repo using GIT Command, User permission provision.

Maven – Creation of pom.xml, Maven Life cycles

Tomcat, Apache Http server, Nginx Server – Introduction to all types of server, How to install all server and deploy applications in application server, Webserver, Server Tuning

SonarQube – Introduction and Administration.

Nexus – Introduction and creating repositories, policy creation, Users creation

Jenkins –

Introduction and installation,Continuous Integration (CI) /Continuous Delivery (CD)/ Continuous deployment setup using sample projects, plugin managements.

Integration of Urban Code Deployment,

Jenkins Security

Upstream and DownStream jobs

Create Pipeline project jobs, Multibranch pipeline projects.

CI/CD implementation for node js, python and npm based services.

Jenkins – backup, migration, shared libraries, CLI, Slack notifications.

Ansible – Introduction, Integration and administration.

AWS

Introduction to Multiple components on AWS

Elastic Compute Cloud (EC2) creation, Administration, Groups management

Elastic Block Store (EBS)

Simple Storage Service (S3) - Creation, administration

Virtual Private Cloud (VPC)

Elastic Load Balancer (ELB)

Route 53 (DNS)

AutoScaling

Identity Access Management

Elastic Container Registry (ECR)

Serverless resources (Lambda, Batch, API Gateway)

Docker – introduction and management

Terraform – AWS Training

Infrastructure as a code.

Terraform Top Level Blocks.

Terraform Resources.

Variables.

Terraform state and modules.

LAWBASE TECHNOLOGIES Pvt Ltd, CHENNAI, INDIA,

June 2009 to September 2012

TECHNICAL CONSULTANT

Provide primary system administration, configuration, and troubleshooting of the Linux and its performance issues.

Create, maintain, and manage to project plans.

Worked on Shell scripts to run, kill, Monitor, backup, rollback and archive all files for Servers.

Perform change managements from systems team for any maintenance.

Participated in review meeting and release the scripts

Handling problems or requirements as per the tickets

Installation, configuration,support and security implementation of following service – SSH, SCP

Documentation the standard procedure of installation and implementation of Linux servers

Environment: Linux, Shell Scripting

Education and Credentials

Master of Engineering (M.E) in Applied Electronics, 2011

Anna University, India with 8.053 (CGPA)

Bachelor of Engineering (B.Eng.) in Bio-Medical Instrumentation and Engineering, 2009

Avinashilingam University, India with 8.42 (CGPA)

Certifications and Training

Training

DevOps Master Program.

AWS CloudFormation with Infrastructure as a code.

Certifications

AWS Certified Cloud Practitioner

Validation Number- 3f147d9a789a4cd698f000ff844908a7

Expiration Date- February 27, 2029

Additional Information

Languages: English, Tamil

Linkedin - https://www.linkedin.com/in/dhivyarohini-ragunathan-4900b9311/

Contact this candidate