Yesin Arafat

DevOps Engineer

bangopure • Fulltime

Dec 2024 - Present • 1 yr 11 mos

Managed enterprise cloud infrastructure and DevOps operations for BangoPure, supporting a growing ecosystem of 20+ live projects and services across development, staging, and production environments. Key Responsibilities & Technical Expertise: - Cloud Infrastructure: Managed Linux servers, Kubernetes clusters, Docker containers, cloud networking, DNS, HTTPS, and ingress routing. - CI/CD Automation: Implemented six-stage GitHub Actions pipelines covering automated testing, Trivy vulnerability scanning, Gitleaks secret detection, Semgrep security analysis, Docker image builds and scanning, and deployment. - Multi-Environment Operations: Supported development, staging, and production workloads, including authentication, payment, and business applications. - Monitoring & Observability: Managed infrastructure monitoring with Prometheus and Grafana, alongside centralized logging using Loki and Promtail. - Security & Reliability: Supported access control, security hardening, configuration management, deployment troubleshooting, and operational maintenance. - Cloud Operations: Managed application deployments, infrastructure updates, issue resolution, and ongoing technical support. Technology Stack: Linux, DigitalOcean, Kubernetes, Docker, GitHub Actions, Prometheus, Grafana, Loki, Promtail, Trivy, Gitleaks, Semgrep, and Traefik. Project Outcome: Contributed to a scalable, multi-environment cloud ecosystem supporting 20+ live projects, with automated CI/CD workflows, centralized observability, security-focused deployment processes, and ongoing infrastructure management.

DevOps Engineer

AIR RISE INC.

Dec 2022 - Present • 3 yrs 11 mos

• System Administration: Manage and optimize Linux-based environments (Ubuntu, CentOS, RHEL) to ensure system stability, scalability, and security. • Automation & Scripting: Develop and maintain automation scripts using Bash and Python to streamline operations, deployment, and maintenance tasks. • Backup & Disaster Recovery: Design and implement backup strategies, perform system recovery, and maintain disaster recovery documentation. • Network Configuration: Configure and manage essential network services (DNS, DHCP, VPN, Apache, Nginx, SSH) and troubleshoot network and connectivity issues. • User & Access Management: Administer user accounts, permissions, and enforce role-based access control (RBAC) policies for system and network security. • Database Administration: Install, configure, and maintain MySQL, PostgreSQL, and MongoDB