Binh Do Email & Phone Number

Auckland, Nz

Auckland, New Zealand

Primary role:• Manage and operate AWS services, including EC2, RDS, S3, Route53, and other resources• Enhance and refactor the Puppet Configuration Management system.• Implement and continuously improve GitLab CI/CD workflows to meet the deployment requirements of the Development Team.• Establish CI/CD pipelines for building various Docker images tailored for specific purposes.• Administer and maintain MySQL databases, central logging system with Filebeat/Logstash/Kibana… Show more Primary role:• Manage and operate AWS services, including EC2, RDS, S3, Route53, and other resources• Enhance and refactor the Puppet Configuration Management system.• Implement and continuously improve GitLab CI/CD workflows to meet the deployment requirements of the Development Team.• Establish CI/CD pipelines for building various Docker images tailored for specific purposes.• Administer and maintain MySQL databases, central logging system with Filebeat/Logstash/Kibana, monitoring tools such as Nagios/Grafana.• Collaborate with the Tech Lead to improve system security.• Annually maintain and upgrade the Redmine project management with the latest features. • Oversee the Fishscale system, an infrastructure-as-code project developed in Python, automating AWS interactions to launch or terminate EC2 servers with a single command. • Support and manage Ubuntu PC configurations in company offices and warehouses across various countriesMajor Projects:2021 - 2022:• Migrated from Puppet4 to Puppet6, refactoring code for all services to ensure better support.• Upgraded over 90 existing EC2 servers from Ubuntu 16.04 to 20.04, along with upgrading various running application services, eliminating deprecated and outdated errors caused by the end-of-life platform.• Migrated the weekly release process from a Bash script to a CI/CD model on GitLab, achieving a 99.75% reduction in production release time2023 - 2024:• Implemented and operated a RabbitMQ system, collaborating with other developers to migrate part of SQS to RabbitMQ, resulting in a 44% monthly cost reduction on SQS.• Continually optimized the CI/CD pipeline, reducing deployment runtime from 20 minutes to 5 minutes.• Conducted cost optimization across various aspects, including adjusting the snapshot backup process to save 25% in costs, changing EBS volume usage strategies on database servers to save 17%, and working with Tech Lead in selecting more cost-effective instance types, etc. Show less

Hanoi, Vietnam

Primary Role:• Managed over 30 physical servers and nearly 200 VMs on VMware, predominantly Linux but still have Windows.• Collaborated with project partners to meet system infrastructure requirements.• Monitoring systems' health by using PRTG and Application Manager.• Reported to the IT Manager about system incidents on a weekly basis and proposed upgrading and replacing plans when servers have hardware issues. • Evaluated security, potential threats, and vulnerabilities… Show more Primary Role:• Managed over 30 physical servers and nearly 200 VMs on VMware, predominantly Linux but still have Windows.• Collaborated with project partners to meet system infrastructure requirements.• Monitoring systems' health by using PRTG and Application Manager.• Reported to the IT Manager about system incidents on a weekly basis and proposed upgrading and replacing plans when servers have hardware issues. • Evaluated security, potential threats, and vulnerabilities and implemented appropriate courses of action.• Implemented Windows and Linux security hardening: kernel patch, Fail2Ban, etc.• Designing and advising system architecture for the Development Team according to their requirements.• Support the Development team in building CI/CD process. • Automated application deployment and repetitive tasks with Bash scripts.• Managed version control with Subversion (TortoiseSVN)• Conducted research and development of new technologies for business.• Implemented backup and archiving policies.• Managed company hardware and software assets and supported other departments with IT issues.Achievements:• Implemented monitoring systems from scratch by using Application Manager and PRTG, leading to improvement in incident response times.• Implemented high availability (HA) for all services, e.g. Web servers, MySQL, and RabbitMQ, enhancing system reliability and reducing downtime significantly.• Supported and advised the Development team in migrating numerous applications running on Windows to a Linux environment, significantly optimizing performance and reducing licensing overhead based on the company’s requirements. Show less

Hanoi, Vietnam

• Provided remote technical support for customers facing issues with Windows Server, Windows 7 to 10, Wi-Fi technologies, and other network-related problems. • Resolved system and network incidents promptly and effectively.• Escalated unresolved issues to relevant departments to dispatch on-site technicians for further assistance.

Master'S Degree, Information Technology

Degree Of Engineer, Information Technology