Welcome to my GitHub profile! I'm a passionate Cloud Engineer and Linux System Administrator with over 2 years of experience in building secure, scalable, and highly available infrastructures using AWS, OCI, Docker, and open-source tools. I specialize in cloud automation, email infrastructure, DevOps practices, and containerized deployment.
Hello! I'm Ritik Kumar — driven by innovation and efficiency in cloud technologies, DevOps, and backend infrastructure. With a strong foundation in Linux and cloud systems, I focus on delivering high-availability architectures, automated pipelines, and scalable services that align with business goals.
Currently working at Inguide Solutions Pvt Ltd, I design and manage robust server setups, email delivery systems, and cloud-native apps.
- AWS: EC2, S3, RDS, SES, ECS Fargate, IAM, CloudWatch, VPC
- OCI (Oracle Cloud Infrastructure)
- Azure DevOps, GitHub Actions
- Containerization: Docker, Docker Compose
- Monitoring: Prometheus, Grafana
- Infrastructure Security: WAF, NACLs, Security Groups, TLS/SSL
- OS: Ubuntu, CentOS, RHEL
- Web Panels: CyberPanel, Virtualmin, Vesta CP, cPanel
- Proxy & DNS: Squid Proxy, DNS Records (SPF, DKIM, DMARC)
- PowerMTA, Postal, Zimbra
- Mautic, Mailwizz, Acellemail
- Git, GitHub, Bash scripting, Postfix, MySQL/MariaDB
- Managed and scaled SMTP infrastructure
- Configured VPCs, firewalls, load balancers, and server monitoring
- Deployed containerized services for clients on AWS & OCI
- Designed cloud-native solutions with auto-scaling and fault tolerance
- Automated deployment of secure file-sharing and analytics platforms
- Built robust CI/CD pipelines and email delivery stacks
Designed a highly available AWS infrastructure using custom VPC, public/private subnets, ALB, Auto Scaling Groups, WAF, and a bastion host. Enforced security with best practices.
🔗 Technologies: AWS VPC, EC2, ALB, ASG, IAM, WAF, NACLs
Built a containerized email delivery system with Dockerized Postfix using Amazon SES, running on ECS Fargate. Designed for high availability and static site hosting.
🔗 Technologies: ECS Fargate, Docker, Postfix, SES, Route53
Developed a cloud-based platform that processes multi-source data (IoT, transactional, behavioral) to deliver predictive insights and personalized experiences.
🔗 Technologies: Python, AI/ML, AWS, Kafka, Snowflake, REST APIs
Implemented a ProFTPD-based FTP system on OCI with NFS-backed shared storage, load balancing, and real-time monitoring via Prometheus and Grafana.
🔗 Technologies: ProFTPD, OCI, NFS, Prometheus, Grafana
Created a CI/CD pipeline using Azure DevOps and SchemaChange to deploy SQL changes from GitHub to Snowflake with structured approval and release stages.
🔗 Technologies: Azure DevOps, Snowflake, Git, YAML, SchemaChange
Built a privacy-first file-sharing platform using Tahoe LAFS where data is encrypted, split, and distributed across nodes.
🔗 Technologies: Tahoe-LAFS, Python, Flask, JWT, Nginx
Containerized Tahoe-LAFS nodes and connected them via a WireGuard mesh network for secure, encrypted P2P file sharing across distributed networks.
🔗 Technologies: Docker, Tahoe-LAFS, WireGuard, Bash
Dockerized a Medusa.js e-commerce stack (frontend, backend, and PostgreSQL) using Docker Compose for local development and deployment.
🔗 Technologies: Medusa.js, PostgreSQL, Docker, Docker Compose
Created a Flask + Nginx web app to dynamically generate WireGuard configs and deliver them securely to clients for auto-onboarding.
🔗 Technologies: Flask, Nginx, WireGuard, Bash, SSL
📧 Email: ritik@ritikkumar.cloud
🌐 Website: ritikkumar.cloud
📱 Phone: +91-6203214827
💼 LinkedIn: linkedin.com/in/ritikkumar003
💻 GitHub: github.com/quick003
💡 Let’s connect and build something impactful together.