Arun Kumar A
Cloud Engineer & DevOps Specialist
Experienced Cloud Engineer with 10 years of expertise in implementing and managing cloud solutions on platforms like OCI, AWS, Azure and Huawei.

About Me
Professional Summary
Experienced DevOps Engineer with 10+ years of expertise across OCI, AWS, Azure, and Huawei. Skilled in architecting secure, scalable, and cost-efficient multi-cloud environments. Proficient in CI/CD automation, Kubernetes, Terraform, and policy-as-code for governance and compliance. Strong track record in cloud security, system administration, and delivering high-availability solutions.
Education
Bachelor's degree in Engineering (B.Tech) in Computer Science
Anna University, Tamil Nadu, India
Certifications
- Oracle Cloud Infrastructure Architect Associate
- AWS Certified Solutions Architect
Technical Skills
Cloud Platforms
- Oracle Cloud Infrastructure (OCI)
- AWS
- Huawei
- Azure
Infrastructure Automation
- Terraform
- Ansible
- Jenkins
- Git
DevOps Tools
- Docker
- Kubernetes
- CI/CD Pipelines
- Helm
Programming
- Python
- Bash
- YAML
Database Management
- MySQL
- MongoDB
- PostgreSQL
Monitoring & Logging
- Grafana
- Prometheus
- Portainer
- OCI Monitoring
- AWS CloudWatch
Professional Experience
Devops Engineer
Axiom Telecom LLC
- Built and configured Virtual Cloud Networks (VCNs) on OCI, Virtual Private Clouds (VPCs) on AWS, and Virtual Networks (VNets) on Azure, including subnets, route tables, security lists, and network security groups to create secure, scalable, and efficient environments.
- Automated infrastructure provisioning using Terraform and Ansible, streamlining deployments across OCI, AWS, Azure, and Huawei, reducing setup time by 40% and minimizing human error.
- Implemented security controls with OCI Web Application Firewall (WAF) and Microsoft Defender for Cloud to protect applications from DDoS attacks, SQL injections, and other threats. Integrated tools such as Checkmarx, SonarQube (SAST), and OWASP ZAP (DAST) for vulnerability scanning.
- Deployed and managed Kubernetes clusters to run containerized applications, ensuring scalability, reliability, and efficient resource utilization.
- Monitored and optimized multi-cloud environments using OCI Monitoring, AWS CloudWatch, Azure Monitor, Splunk, Datadog, Grafana, Prometheus, and Portainer to identify and resolve performance bottlenecks.
- Designed and implemented backup strategies using OCI Object Storage, AWS S3, and Azure Blob Storage, with automated snapshots for databases (MySQL, MongoDB, PostgreSQL) and virtual machines to ensure data protection and disaster recovery
- Administered user accounts, security settings, disk space, and system processes to maintain secure and stable environments
- Troubleshot server issues on Linux, Windows, and cloud platforms, minimizing downtime and ensuring service continuity
- Applied ISO 27001 Annex A standards to development and operations, embedding secure SDLC practices across multi-cloud workflows.
Cloud Engineer
Fiserv India Pvt Ltd
- Built Jenkins CI/CD pipelines to automate testing, integration, and deployment for applications on AWS and Huawei Cloud
- Configured Grafana and AWS CloudWatch dashboards for Docker-based applications, resolving unavailable metrics issues
- Migrated on-premises databases to AWS RDS MySQL, ensuring data integrity and minimal downtime
- Enhanced security with AWS IAM roles, two-factor authentication, and fine-grained access controls
- Collaborated with cross-functional teams to resolve critical infrastructure issues on AWS and Huawei Cloud platforms.
System Administrator
Lucid IT Solutions Pvt Ltd
- Managed the deployment and configuration of Linux servers, including Ubuntu and RHEL, for enterprise applications
- Installed and configured various software packages, including web servers (Apache, Nginx), databases (MySQL)
- Automated routine tasks using shell scripting and cron jobs, significantly reducing manual intervention and increasing operational efficiency
- Worked with external vendors to coordinate software and hardware upgrades, ensuring systems stayed current and secure
- Participated in system audits and security assessments, identifying vulnerabilities and implementing patch management procedures to enhance overall system security
- Implemented SFTP configurations for secure file transfers and resolved permission and timestamp issues effectively
- Performed regular system backups and disaster recovery drills to ensure data security and business continuity
- Provided 24/7 technical support to internal teams and clients, resolving critical infrastructure issues and minimizing system downtime
Get In Touch
Interested in working together? Feel free to contact me for any project or collaboration.