Samuel is a results-driven DevOps Engineer and IT Infrastructure Administrator with years of hands-on experience in server administration, DevOps engineering, cloud infrastructure, and IT security. Proficient in Docker, Kubernetes, Grafana, Prometheus, Linux, and Amazon Web Services (AWS), he excels in troubleshooting and resolving issues, as well as installing and configuring software, hardware, and networks.
Work experience
1. Monitor and maintain the availability of all servers and services (production, staging, training, test environments). 2. Troubleshoot and resolve issues affecting the availability and performance of servers and services. 3. Create and maintain related documentation, SLA reports, and disaster recovery plans.
• Implement and manage Kubernetes clusters and other IT infrastructure and services in both cloud and on-premises environments using Infrastructure as Code (IaC) and configuration management tools. • Develop and oversee the implementation of the MQTT protocol for smart meters to ensure secure data transmission and minimize latency, thereby enhancing the overall performance of the smart grid.
• Spearheaded the migration of SLS monitoring platform infrastructure to Amazon Elastic Kubernetes Service (AWS EKS), optimizing resource utilization, application availability and performance. • Collaborated with development teams to design and implement CI/CD pipelines for build automation, testing, and deployment strategies to multiple environments using GitHub Actions and Argo CD.
• Enhanced operational efficiency by automating routine tasks and system configurations using Ansible playbooks and Makefiles, leading to more agile and reliable operational processes • Managed and monitored production environments, ensuring high availability and quick response to anomalies and incidents detection using Prometheus, Prophet Model and Grafana. • Orchestrated containerized applications using Kubernetes.
• Improved the efficiency of business operations by ensuring constant up-time of cloud resources, on-premises server infrastructures and ensured proper resynchronization and replication of virtual machines for backup and disaster recovery purpose • Conducted routine system updates, patches, and security audits to ensure a secure and up-to-date infrastructure for a multi-platform environment consisting of both windows and Linux operating systems.
Education
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