Linux System Administrator
CurrentServe as the primary Systems Administrator for TSI's "Digital Products' Team," overseeing the configuration, updating, and monitoring of Network, Server, Application, and Web Tiers. Responsible for maintaining high-performance, secure, and scalable infrastructure to support business-critical web applications.Key Responsibilities and Achievements:Environment Management: Administer and optimize both Production and Staging Linux environments, ensuring high availability and performance.Developer Support: Provide technical support and infrastructure guidance to a 12-member Full-Stack Developer Team, facilitating efficient development workflows.Containerization Innovation: Engineered a fully-containerized multi-tier staging environment for streamlined software deployment testing, significantly improving the reliability and efficiency of the Digital Products' team's web application releases.AWS IAM Expertise: Designed, implemented, and maintain TSI's AWS IAM policy, managing users, roles, and permissions to ensure secure and appropriate access to cloud resources.Proactive Monitoring and Troubleshooting: Conduct comprehensive reviews of PHP, Nginx, Apache2, and MySQL log files to preemptively identify and resolve potential issues in resident codebases, minimizing downtime and optimizing application performance.Serverless Architecture Implementation: Successfully developed "Laravel on Lambda" – a pioneering project that deployed a fully functional Laravel application using serverless technologies (bref.sh). This initiative significantly reduced infrastructure dependencies and enhanced the scalability of legacy business applications.System Monitoring and Maintenance: Utilize Nagios and Cacti monitoring software to proactively detect and address server and network-level issues, ensuring optimal system performance and minimizing service disruptions.