Majid Barzegar Email and Phone Number

Refactored development and staging environments using Kubernetes and third-party services, improving development speed by 20% and fault tolerance by 50%. Maintained and optimized production Kubernetes clusters, increasing transaction per second (TPS) by 30% through resource tuning and scaling. Developed and executed disaster recovery plans to ensure high availability and minimize downtime risks. Optimized and integrated nearly 70 services, streamlining operations and improving infrastructure performance.

• Containerized and migrated 2 systemd projects to Kubernetes, enhancing deployment efficiency and scalability.• Assisted developers in migrating 20+ single-tier applications to a microservices architecture , achieving greater flexibility• Optimized high-TPS applications by leveraging load balancers and Docker, boosting performance and scalability.• Increased transaction speed by 20% by running multiple instances of the collection service.• Set up a CDN to distribute transactions across multiple sites and Kubernetes clusters, resulting in a 30% increase in transaction processing speed and overall performance.

• Designed and developed CI/CD pipelines, automating software delivery and improving delivery speed by 40%.• Converted 30+ legacy systemd-managed applications to Kubernetes infrastructure, enhancing scalability and manageability.• Provided centralized monitoring, security patching, and log management for 270 servers to ensure system reliability and security.• Utilized Ansible for efficient deployment and configuration management, improving consistency and automation.• Consulted on and designed the setup of primary and backup sites, as well as developed a disaster recovery plan.

• Controlled and monitored 300+ Linux servers and services, maintaining high performance and availability.• Performed security operations, including system hardening and firewall configuration, to enhance overall system security.• Automate routine tasks using shell scripts, cron, and Ansible, and configure Linux services to improve reliability by 30%.• Conceived and scaled infrastructure to support the deployment of new applications for customers.• Transferred Linux servers from bare metal to virtual machines, achieving a 25% increase in scalability.• Ensure data integrity and availability through coordinated backups and disaster recovery.