Arjun Sample
Senior DevOps Engineer · AWS, Kubernetes, Terraform, GitOps
- Chennai, Tamil Nadu
- arjun.sample@example.com
- +91 9XXXX XXXXX
- linkedin.com/in/arjun-sample
- github.com/arjun-sample
Summary
DevOps engineer with 6 years of experience across Linux administration, AWS and Kubernetes. Builds infrastructure as code, reliable CI/CD and observability so product teams can ship often without late-night firefighting. Experienced with cost optimisation and security reviews for regulated health data.
Experience
Senior DevOps Engineer
Feb 2024 – PresentContoso Health Technologies · Chennai
- Migrated 35 services from EC2 and Docker Compose to Amazon EKS with Helm and Argo CD, moving deployments from a weekly window to multiple releases a day.
- Wrote reusable Terraform modules for VPC, EKS, RDS and IAM, bringing 90% of production infrastructure under code review.
- Cut monthly AWS spend by about 28% through rightsizing, Spot node groups for non-critical workloads and Savings Plans.
- Set up Prometheus, Grafana and Loki with alert runbooks, reducing mean time to recovery for P1 incidents from about 70 to 25 minutes.
- Added Trivy image scanning and secret detection to CI, blocking critical vulnerabilities before deployment.
DevOps Engineer
Jul 2021 – Jan 2024Wingtip Cloud Services · Chennai
- Managed AWS and Azure environments for 8 client accounts, handling provisioning, patching, backups and access reviews.
- Replaced manual Jenkins jobs with declarative pipelines and shared libraries, standardising builds across 40+ repositories.
- Automated server configuration with Ansible playbooks, reducing new environment setup from 3 days to half a day.
- Designed and tested a cross-region disaster recovery plan for a client's ERP system with documented RTO and RPO.
System Administrator
Jun 2020 – Jun 2021Wingtip Cloud Services · Chennai
- Administered 150+ Linux servers, including user management, cron jobs, log rotation and kernel patching.
- Wrote Bash and Python scripts to automate disk usage alerts and nightly backup checks.
- Handled L2 support tickets for networking, DNS and SSL certificate renewals.
Skills
- Cloud: AWS (EKS, EC2, RDS, S3, IAM, VPC, CloudWatch), Azure (AKS, VMs)
- Containers: Docker, Kubernetes, Helm, Argo CD
- IaC & config: Terraform, Ansible, CloudFormation
- CI/CD: GitHub Actions, Jenkins, GitLab CI
- Observability: Prometheus, Grafana, Loki, ELK Stack, PagerDuty
- Scripting & OS: Bash, Python, Linux (Ubuntu, RHEL), Nginx
Education
B.E., Electrical and Electronics Engineering
2016 – 2020Sample College of Engineering · Chennai
Certifications
- Certified Kubernetes Administrator (CKA)
- AWS Certified Solutions Architect – Associate
- HashiCorp Certified: Terraform Associate