Makanaka T

Technical Lead

Afrosoft Holdings Limited • Período integral

Sep 2021 - Present • 4 yrs 8 mos

• Successfully led the technical support team in resolving complex Tier 2/3 Linux-based environment issues with a 95% first-contact resolution rate, significantly reducing downtime and enhancing overall system reliability. • Diagnosed and remedied critical OS-level failures, including boot process errors and performance bottlenecks, thereby minimizing system outages and ensuring continuous operational efficiency. • Expertly configured, managed, and secured Linux servers (RHEL, CentOS), implementing best practices in user management and system hardening to enhance security posture across the enterprise infrastructure. • Maintained, optimized, and scaled MariaDB and PostgreSQL databases to achieve 99.99% uptime, supporting the organization’s high-availability requirements and ensuring seamless data access for critical applications. • Developed and deployed robust Ansible playbooks that automated routine configuration, deployment, and provisioning tasks, reducing manual intervention by 40% and accelerating deployment cycles. • Designed and implemented an internal incident management system that streamlined issue tracking, prioritized ticket resolution, and improved incident response times by 30%, leading to increased team productivity. • Provided comprehensive support for hybrid IT environments, including virtualization platforms and enterprise firewall configurations, ensuring secure and efficient integration of diverse infrastructure components. • Conducted proactive system monitoring and performance tuning on Linux servers and databases, resulting in a 25% improvement in system responsiveness and stability. • Led cross-functional technical projects to upgrade and migrate critical systems with minimal disruption, demonstrating exceptional project management and technical expertise. • Developed detailed documentation and best practice guidelines for Linux server management, which became the standard reference for the IT support team and improved onboarding efficiency.