g
gayashanjayasi

Uditha Jayasing

@gayashanjayasi

System Administrator

Sri Lanka
Anglais
Certaines informations sont présentées en anglais.
À propos de moi
I’m a Systems Administrator who enjoys working with technology, solving problems, and keeping IT systems running smoothly. I’m always interested in learning new things and improving the way I work.... Plus d’infos

Compétences

g
gayashanjayasi
Uditha Jayasing
hors ligne • 
Temps de réponse moyen de 1 heure

Voir mes services

Support informatique
I will set up and secure your linux or windows server
De40 $US / projetPlus de détails
Administration de serveur
I will update PHP and apply linux server security patches
De15 $US / projetPlus de détails

Portfolio

Expérience professionnelle

Domain

System administrator

Domain • Temps plein

May 2024 - Present • 2 yrs 5 mos

Manage and maintain Linux-based servers, web applications, and IT infrastructure in a production environment. Provide technical support, troubleshoot system and application issues, and maintain reliable and secure services. • Administer Linux servers (Ubuntu/Debian) and web servers including Apache, Nginx, and Caddy • Deploy and maintain PHP, PHP-FPM, MariaDB/MySQL, Docker, and web applications • Manage DNS, SSL/TLS certificates, Cloudflare, firewalls, VPNs, and server security • Monitor system performance, troubleshoot networking and server issues, and resolve service outages • Maintain and support Moodle LMS, WordPress, and other web-based platforms • Perform server migrations, backups, updates, configuration, and performance optimization • Implement security monitoring and vulnerability assessment using tools such as Wazuh, SentinelOne, Nessus, and OWASP ZAP • Automate routine administration tasks using Bash scripting and cron • Provide technical support and troubleshoot Linux, networking, application, and infrastructure issues