Tosin B. Ogunyemi

About Tosin B. Ogunyemi

Hi,I am a high-performing Linux & Cloud System Administrator with over 5 years of experience in the IT industry.My passion for managing AWS infrastructure and security, monitoring, troubleshooting system performance and resolving technical issues and configuring hardware and software made me incredibly valuable to my team and effective in the work that I do because I care so deeply about doing a great job and having a significant impact on people around me.One of my top priorities and greatest skills is team collaboration, working closely with developers, DevOps engineer and other IT Teams to find the best approach to monitoring,optimization and solving problems.

Experience

1. System Administrator

   Canadian Solar Inc.

   Feb 2024 — Present

   ebruary 2024 – Present * Provided hands-on technical support by resolving security vulnerabilities, patching servers, and applying software updates to ensure system stability and currency for end-users.* Utilized Ansible automation to streamline user account management and network configurations, improving efficiency for field deployments and support tickets.* Proactively monitored system health and analyzed logs to diagnose and resolve complex performance bottlenecks, ensuring maximum uptime and reliability.* Implemented and managed robust security measures, including SSH key-based authentication, custom SSH ports, and firewall rules, to secure host systems and protect user data.* Managed physical storage with LVM and configured RAID storage on servers, ensuring data redundancy and optimal performance for on-site systems.* Delivered technical support and training to system engineers and end-users, developing comprehensive documentation for technical and non-technical audiences.* Contributed to the development of robust outage management and incident response protocols, collaborating with cross-functional teams for swift issue resolution.* Developed batch scripts to automate routine tasks, which saved time and enhance overall productivity.