Karthikeyan Malaiyandi Samy

Senior AWS Cloud DevOps Engineer

Email: ad1s1l@r.postjobfree.com

Phone: +1-610-***-****

LinkedIn: www.linkedin.com/in/karthikeyan-samy

Professional Summary

Accomplished Senior AWS Cloud DevOps Engineer with over 12+ years of experience designing, automating, and optimising mission-critical deployments over large infrastructures. Proficient in leading cloud computing and DevOps solutions with a strong background in cloud migrations, infrastructure as code, and continuous integration/continuous deployment (CI/CD) practices.

Extensive experience with AWS services like EC2, S3, RDS, Lambda, CloudFront, Route53, VPC, and more.

Proficient in managing and provisioning cloud infrastructure using AWS CloudFormation and Terraform

Skilled in developing and maintaining CI/CD pipelines with Jenkins, AWS CodePipeline, and Azure DevOps.

Expertise in containerisation technologies like Docker and container orchestration with Kubernetes, Amazon ECS, and Azure AKS.

Proficient with configuration management tools like Ansible, Chef, and Puppet.

Experienced in scripting and automation with languages such as Python, Bash, and PowerShell.

Strong understanding of version control systems, especially Git and SVN.

Proficient in implementing and managing monitoring solutions like CloudWatch, Prometheus, Grafana, and Azure Monitor.

Knowledgeable in database administration for SQL and NoSQL databases, including MySQL, PostgreSQL, MongoDB, and Cosmos DB.

Adept in identity and access management with AWS IAM, Azure Active Directory, and other security services.

Knowledge of software development life cycle (SDLC) and Agile methodologies.

Expertise in cloud cost optimisation and budget management.

Experienced in data migration and transformation strategies across different platforms.

Designed and implemented end-to-end data pipelines for ingesting, processing, and analysing large volumes of structured and unstructured data.

Proficient in developing Infrastructure as Code (IaC) for repeatable and consistent deployment of resources.

Experience with hybrid cloud and multi-cloud environments, including connectivity and management.

Experience in Branching, Merging, Tagging, and maintaining the version across the environments using SCM tools like GIT (Git Bash, GitHub, Git GUI), SVN (Tortoise SVN), Source Tree and similar tools.

Proficient in setting up and managing virtual private networks and direct connect solutions for hybrid environments.

Integrated Docker container-based test infrastructure to Jenkins CI/CD test flow and executed build environment by integrating with GitLab and Jira to trigger builds using Webhooks and Slave Machines.

Skilled in log aggregation and analysis using tools like ELK Stack (Elasticsearch, Logstash, Kibana).

Managed Kubernetes cluster in the rollback and rollouts methods in the deployment strategies. Integrated Istio and helm packages with Kubernetes clusters for the service mesh.

Implemented and managed container security using Twistlock, ensuring robust protection against vulnerabilities and threats in our containerized environment.

Designed and maintained CI/CD pipelines using Argo CD and Flux CD for seamless application deployment and rollback strategies.

Competent in leveraging serverless architectures to improve efficiency and reduce operational overhead.

Experience with load balancing and auto-scaling services to ensure HA and fault tolerance.

Capable of conducting technical workshops and training sessions for team members.

Developed and maintained ETL workflows using Informatica to extract, transform, and load data from diverse sources into a centralized data warehouse.

Ability to conduct security audits and risk assessments within cloud environments.

Skilled in the strategic planning and execution of IT operations, development, and DevOps processes.

Expertise in the management of container registries and artifact repositories.

Tech Stack

Cloud Platforms: AWS, Azure, GCP

Infrastructure as Code: Terraform, AWS CloudFormation, ARM Templates

Configuration Management: Ansible, Chef, Puppet

CI/CD Tools: Jenkins, GitLab CI, Azure DevOps

Containerization/ Orchestration: Docker, Kubernetes, Amazon ECS, Azure Kubernetes Service (AKS)

Scripting Languages: Python, Bash, PowerShell

Version Control: Git, SVN

Monitoring Tools: Grafana, Prometheus, AWS CloudWatch, Azure Monitor

Databases: MySQL, PostgreSQL, MongoDB, Azure Cosmos DB

Security: IAM, Key Management Service (KMS), Azure Active Directory

Certifications

AWS Certified Solution Architect-Associate

Terraform Certified Associate

Certified Kubernetes Administrator (CKA)

Google Cloud Platform – Associate Cloud Engineer

VMware Certified Professional – Cloud (VCPC550)

Professional Experience

Client: Hewlett Packard Enterprises, NC

Role: AWS DevOps Engineer

Duration: Jan 2017 – Present

Managed AWS cloud infrastructure utilizing EC2, S3, VPC, Route53, and other AWS services, ensuring 99.9% uptime.

Collaborated with development teams to automate and improve the software development pipeline, achieving a 30% improvement in deployment frequency.

Configured and maintained CI/CD pipelines using Jenkins and integrated automated testing to ensure the reliability of software releases.

Orchestrated data migration from on-premises data centres to AWS S3 and EBS using AWS Data Migration Service.

Implemented and managed AWS VPC, subnets, NACLs, and security groups for secure and isolated network environments.

Automated infrastructure provisioning & management using AWS CloudFormation and Terraform.

Configured AWS IAM policies and roles for secure access management across the organization.

Established CI/CD pipelines using Jenkins and AWS Code Pipeline to automate the software delivery process.

Integrated AWS CloudWatch and AWS X-Ray for comprehensive monitoring, logging, and tracing.

Developed backup and disaster recovery strategies using AWS Backup and AWS Disaster Recovery.

Enforced compliance with industry standards and regulations through AWS Config and AWS Shield for security.

Created required reliable architectures and end-to-end migration plan for migrating Linux/Windows servers along with web applications into AWS cloud platform using services as IPSec tunnel, VPN gateway, Customer Gateway and Data Pipeline.

Automated security patching and compliance checks using AWS Systems Manager.

Integrated Jenkins with repositories like GitHub to build Automation tool (Maven) and artifact repository for pushing successful build code.

Conducted load testing and tuning of AWS environments to ensure high performance and scalability.

Managed cross-account AWS resource sharing and access with AWS Resource Access Manager.

Coordinated with AWS support for advanced issue resolution and service optimization.

Implemented AWS Direct Connect for dedicated network connections from on-premises to AWS.

Collaborated with the development team to integrate source code analysis tools into the Jenkins pipeline, improving code quality and security.

Designed and implemented API Gateway for routing and managing API calls to microservices.

Configured AWS Lambda for serverless functions to run code in response to HTTP requests via API Gateway.

Utilized AWS Elastic Container Service (ECS) and AWS Fargate for deploying and scaling containerized microservices without managing servers.

Enabled service discovery and registry with AWS Cloud Map to support the dynamic nature of microservices.

Automated the Linux server patching process using Puppet, ensuring that all systems were compliant with the latest security standards.

Provided training and mentorship to junior DevOps engineers and peers on AWS best practices.

Client: Bank of America, NC

Role: Senior DevOps/Infrastructure Engineer

Duration: Oct 2011 – Jan 2017

Assisted in migrating legacy systems to AWS cloud, successfully reducing operational costs by 25%.

Spearheaded the adoption of infrastructure as code using Terraform, leading to a more manageable and reproducible infrastructure.

Designed a multi-cloud strategy for CI/CD pipeline integration between AWS and Azure platforms.

Configured and maintained source code repositories with Git, facilitating version control and collaboration.

Set up Jenkins and Azure DevOps for continuous integration, managing build and test automation across platforms.

Engineered Docker containerization strategies for consistent deployment across development, testing, and production environments.

Deployed and managed Kubernetes clusters using Amazon EKS and Azure AKS to orchestrate containerized applications.

Collaborated with the IT and DevOps teams to integrate Twistlock seamlessly into the CI/CD pipeline, enhancing the security posture of applications from development to production.

Automated deployment processes using Ansible playbooks and Chef recipes to configure and maintain server environments.

Orchestrated database deployments and managed schema changes with automated tools and scripts.

Managed secret keys and credentials using AWS KMS and Azure Key Vault to maintain security.

Optimized container performance using AWS CloudTrail and Azure Monitor for operational insights.

Developed custom scripts in Python and PowerShell to automate routine DevOps tasks across cloud platforms.

Facilitated log aggregation and analysis using Amazon Elasticsearch Service with Kibana for operational intelligence.

Coordinated blue/green deployments to minimize downtime and risk by shifting traffic between two identical production environments.

Optimized data pipeline performance, addressing scalability and reliability challenges.

Implemented Puppet for configuration management to automate the provisioning and management of Linux servers, ensuring consistent environments across development, testing, and production.

Enforced governance and compliance policies for CI/CD operations across AWS and Azure.

Documented the CI/CD pipeline setup and operations for knowledge sharing and compliance requirements.

Client: Sify Technologies

Role: Senior System Engineer

Duration: Apr 2008 – Sep 2011

Installation, configuration & management of Servers running Solaris, HP UX & RHEL

System Administration includes User Management, File System Checks, RAID Configuration, NFS, NIS Integration, Cron Management, disk management in SVM & VVM, periodic patch installation, SNMP monitoring

Analysing Hardware errors & dumps to co-ordinate with the vendor for fixing.

Engaged in design & implementation of new client setup, POC & government Datacentre projects

Deployment, troubleshooting and fixing application issues, in Apache, Oracle, WebLogic & Jboss

Tracking SLA & following ITIL Standards in supporting the clients in Incident Management & Change Management.

Have been part of the implementation team of the Sify Cloud Infrastructure.

Provisioning of New Virtual Machines, Storage & VLAN Tagging on virtual components.

Storage Administration for models such as HP EVA 4000/8000, Hitachi AMS 2500

Working experience in various Backup Tools like Veritas Netbackup, HP DataProtector.

Analysing Weekly Trend of Incidents & Changes/Problem and share report to clients.

Attending Weekly/ Monthly calls to discuss on-going issues/ Incident Trend Analysis/ SLA trend.

Responsible for arranging Quarterly Business Review Meeting along with feedback sessions.

Undertaking calls with customers for improvisations/ upgradation in customer environment, DR Drill executions and solution re-designing.

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