Ramakrishnan L
DevOps Engineer
Podanur,Coimbatore,TN
Summary
Results driven DevOps Engineer with 3.7+ years of experience in automation, cloud infrastructure AWS, Linux administration, and database management. Skilled in CI/CD pipelines, containerizing applications, securing cloud and optimizing system performance. Proven track record in solving critical production issues, securing systems, and boosting operational efficiency. A quick learner, effective team collaborator, and equally capable of working independently in high-pressure environments.
Overview
4
4
years of professional experience
1
1
Certification
Work History
DevOps Engineer
Grouppal India Pvt Ltd
Coimbatore
11.2024 - Current
- Deployed high-traffic Laravel and PHP apps on AWS EC2 with Apache, secured using ACM certificates and Route 53 DNS.
- Built CI/CD pipelines using Jenkins, GitLab, and Docker for automated container deployments.
- Migrated databases from RDS to Lightsail, achieving cost savings with zero downtime.
- Strengthened security via OpenVPN,WAF,IP whitelisting, and AWS SSM.
- Used Prometheus,Grafana,Loki, and Promtail for monitoring and centralized log management.
- Handled deployments for Node.js and Laravel containers with version-specific dependencies.
- Practiced and used Ansible for Linux patching.
- Patched a live API-level security breach and secured endpoints proactively.
DevOps Consultant
Freelance
Coimbatore
09.2024 - 10.2024
- Built Dockerized Node.js app with AWS App Runner and CI/CD using GitLab and Jenkins.
- Hosted frontend apps via S3 + CloudFront, configured secure CI/CD pipelines.
- Used Terraform for IaC and managed networking (VPC, NAT, IGW, subnets).
- Consulted startups on cost-effective, production-grade cloud deployments.
Systems Engineer
nStore Retech Pvt Ltd
Chennai
10.2021 - 09.2024
- Automated daily reporting and notification systems using Python and Bash, saving 200+ minutes daily.
- Built CI/CD pipelines for Android and backend systems via Jenkins and GitLab.
- Deployed and containerized applications including Node.js, Django, Vue.js, Flutter and WordPress.
- Worked on ONDC (MongoDB monitoring & deployments) and IRCTC (MySQL database schema design & rollouts).
- Optimized MySQL Queries for high-volume traffic (10K+ transactions/day).
- Hosted static sites on S3 + CloudFront, with SSL via ACM and DNS via Route 53.
- Monitored with CloudWatch, Grafana,Prometheus and secured systems using Wazuh,Kibana,GuardDuty.
Education
Master of Computer Applications -
Amrita Vishwa Vidyapeetham
true02-2026
B.Com - Information Technology
Hindusthan College of Arts & Science
06-2021
Skills
- Cloud & Infra: AWS (EC2, RDS, S3, CloudFront, Route 53, ACM, CloudWatch, WAF, IAM, SSM, Secrets Manager, Security Hub, GuardDuty), GCP (API Quotas, Maps API)
- DevOps Tools: GitLab CI/CD, Jenkins, Docker, Terraform (Learning), Ansible
- Monitoring & Observability: Prometheus, Grafana, Datadog, ELK Stack, Wazuh, Loki, Promtail
- Security: OpenVPN, IP Whitelisting, AWS WAF, SSM, SSL,IAM
- Database: MySQL, Indexing, Optimization, Replication, Backup/Restore, PostgreSQL
- Web Servers: Apache, Nginx, Gunicorn
- Scripting & Automation: Bash, Python (automation, reporting)
- Domain & DNS: GoDaddy, Route 53, Cloudflare Orchestration: Kubernetes (Learning)
- Agile & Project Tracking Platforms:Jira, OpenProject
Certification
- AWS Certified Solutions Architect - Associate, Simplilearn, 2023
- DevOps Certification Training, Simplilearn, 2024
- Certified Cloud Security Professional (CCSP), Simplilearn, 2024
- Google Cloud Certifications, Coursera, 2025, Core Infrastructure, Routing and Addressing, Introduction to AI and ML
Accomplishments
- Awarded 'On the Spot' Award for automating daily sales reports using Python and Bash, saving over 200+ minutes daily and improving stakeholder communication.
- Identified and mitigated a real-time API-level security breach, securing critical endpoints and strengthening infrastructure with OpenVPN, AWS WAF, and IP whitelisting.
Work Type
Full TimeWork Location
RemoteOn-SiteHybridTimeline
DevOps Engineer
Grouppal India Pvt Ltd
11.2024 - Current
DevOps Consultant
Freelance
09.2024 - 10.2024
Systems Engineer
nStore Retech Pvt Ltd
10.2021 - 09.2024
Master of Computer Applications -
Amrita Vishwa Vidyapeetham
B.Com - Information Technology
Hindusthan College of Arts & Science
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