AWS (EC2, VPC, S3, RDS, Route53, IAM, CloudWatch, CloudTrail, Lambda, ELB, Auto Scaling, CloudFront)
Jefferson Lourthusamy J
AWS DevOps Engineer
Chennai,TN
Summary
AWS DevOps Engineer with 5+ years of hands-on experience in CI/CD automation, Infrastructure as Code (Terraform, CloudFormation), and container orchestration (Docker, Kubernetes/EKS). Skilled in AWS cloud services, monitoring (CloudWatch, Grafana, Prometheus), and automation with Jenkins, GitLab, Ansible, and Python. Backed by 10+ years in SQL Server DBA roles, delivering resilient, scalable, and cost-optimized cloud solutions.
Overview
17
17
years of professional experience
3
3
Certifications
Work History
AWS DevOps Engineer
Prophoenix Consultancy
06.2024 - Current
- Leading AWS DevOps initiatives including CI/CD pipelines, Infrastructure as Code (Terraform, CloudFormation), and container orchestration with Kubernetes (EKS).
- Automated backup and restore processes using AWS S3, Lambda, and PowerShell.
- Implemented multi-site high availability using SQL Server AlwaysOn Availability Groups integrated with AWS networking (VPC, Route53).
- Designed monitoring dashboards with CloudWatch, Grafana, and Prometheus.
- Mentored DBA and infra team to adopt DevOps practices for deployments and release management.
AWS DevOps Engineer
IQVIA India Pvt Ltd
04.2023 - 04.2024
- Built and managed CI/CD pipelines with Jenkins and GitLab CI for applications and databases.
- Migrated workloads to AWS RDS & EC2 with automated provisioning using Terraform.
- Implemented centralized logging via ELK stack (Elasticsearch, Logstash, Kibana) on AWS.
- Managed secure IAM policies with MFA and least-privilege principles.
- Designed Auto Scaling groups and Elastic Load Balancers to achieve 99.9% uptime SLA.
AWS DevOps Engineer
Tata Consultancy Services
05.2019 - 04.2023
- Delivered AWS migrations and DevOps automation for global enterprise clients.
- Automated infrastructure provisioning and configuration with Terraform and Ansible.
- Built Docker-based microservices and orchestrated deployments on Kubernetes/EKS.
- Integrated SonarQube and Nexus into CI/CD pipelines for quality and artifact management.
- Supported SQL Server to AWS RDS migrations ensuring 50% reduction in recovery times.
Assistant Consultant
Tata Consultancy Services
05.2015 - 04.2019
- Administered SQL Server, Sybase, and DB2 databases across enterprise clients.
- Configured AlwaysOn, Mirroring, Replication, Failover Clustering for mission-critical systems.
- Designed PowerShell & T-SQL automation scripts to reduce manual effort by 40%.
- Performed database migration projects to cloud platforms (Azure & AWS).
Senior Systems Executive
Cognizant Technology Solutions
03.2009 - 04.2015
- Installed and maintained SQL Server 2012 instances in production.
- Managed database backups, restores, index optimization, and user security.
- Automated scheduled jobs and maintenance plans, improving reliability.
- Proactively monitored performance, resolved space and locking issues, and audited SQL permissions.
Education
Bachelor of Science - Physics
Loyola College
Chennai, India 04.2001 -
Skills
- Cloud & DevOps: AWS EC2, VPC, S3, RDS, Route53, ELB, Auto Scaling, CloudFront, IAM, CloudWatch, CloudTrail, Lambda, KMS
- Automation & IaC: Terraform, CloudFormation, Ansible, Jenkins, GitLab CI/CD, Git, Shell scripting, Python, PowerShell
- Containers & Orchestration: Docker, Kubernetes (EKS), ArgoCD, Helm
- Monitoring & Security: Prometheus, Grafana, SonarQube, AWS Trusted Advisor, NACLs
- Soft Skills: Leadership, mentoring, collaboration, problem solving
- Database Expertise: SQL Server (2008–2022), AlwaysOn Availability Groups, Log Shipping, Replication, Failover Clustering, PostgreSQL, Elasticsearch
Software
CI/CD: Jenkins, GitLab CI/CD, SonarQube, Nexus
IaC & Automation: Terraform, CloudFormation, Ansible, PowerShell, Shell scripting, Python
Containers & Orchestration: Docker, Kubernetes (EKS), ArgoCD, Helm
Monitoring & Logging: Prometheus, Grafana, ELK Stack (Elasticsearch, Logstash, Kibana)
Databases: SQL Server, PostgreSQL, Elasticsearch
Key AWS DevOps Projects
1. CI/CD Pipeline Automation for Enterprise Application (2023 – IQVIA)
- Designed and implemented a Jenkins & GitLab CI/CD pipeline for Java and .NET applications.
- Automated build, test, and deployment workflows across Dev, QA, and Production environments on AWS EC2 & RDS.
- Integrated SonarQube (code quality) and Nexus (artifact management).
- Achieved:
40% faster release cycles (weekly → daily deployments).
30% reduction in post-release defects due to automated quality checks.
20% cost savings by optimizing EC2 usage during pipeline runs.
2. Kubernetes Deployment with Terraform IaC (2022 – TCS)
- Deployed microservices-based application using Docker containers orchestrated on AWS EKS.
- Automated infrastructure provisioning with Terraform modules for VPC, IAM, Auto Scaling, and RDS.
- Implemented blue-green deployments with ArgoCD ensuring zero downtime releases.
- Achieved:
70% reduction in infrastructure provisioning time (from 3 days → 6 hours).
50% improvement in scalability with auto-scaling clusters handling traffic spikes.
25% cost optimization by leveraging spot instances for non-production workloads.
Certification
AWS Certified Cloud Practitioner (CLF-C01)
Awards
- Prophoenix – Innovation Tournament Submission
- IQVIA – Bronze Award for Best Employee
- TCS – Long Service Award
Timeline
AWS DevOps Engineer
Prophoenix Consultancy
06.2024 - Current
AWS DevOps Engineer
IQVIA India Pvt Ltd
04.2023 - 04.2024
AWS DevOps Engineer
Tata Consultancy Services
05.2019 - 04.2023
Assistant Consultant
Tata Consultancy Services
05.2015 - 04.2019
Senior Systems Executive
Cognizant Technology Solutions
03.2009 - 04.2015
Bachelor of Science - Physics
Loyola College
04.2001 -
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