Ultahost is looking for a skilled Linux System Administrator (L3) to join our technical operations team. As a senior support engineer, you’ll be responsible for handling complex tickets, solving Linux-based hosting issues, and ensuring high-quality service to our customers. This role requires strong problem-solving skills, familiarity with Proxmox, and the ability to resolve daily hosting-related technical issues efficiently.nnKey Responsibilities:nManage and resolve advanced support tickets related to Linux hosting environmentsnTroubleshoot and fix issues with WordPress, LiteSpeed, cPanel, and general server performancenHandle Proxmox-related tasks including VPS management, container troubleshooting, and cluster maintenance (1–2 years experience required)nPerform daily tasks such as SSL installations, domain pointing, DNS adjustments, email configuration, and user access controlsnManage server backups, migrations, and system recovery proceduresnEnsure ticket response SLAs are met and escalate when needednWork with other engineers and teams to improve knowledge base and automation processesnnRequirements:n3+ years of experience in Linux server administration (hosting industry preferred)n1–2 years of hands-on experience with Proxmox virtualizationnStrong knowledge of web hosting stack: Apache/Nginx, MySQL, PHP, DNS, email serversnExperience with WordPress, SSL setup, domain configuration, and LiteSpeed tuningnComfortable with command-line tools and common Linux distributions (Ubuntu, CentOS, Debian)nAbility to troubleshoot under pressure and communicate solutions clearlynnWhy Join Ultahost?nWork in a high-performance technical team serving a global client basenRemote flexibility and 24/7 team collaborationnCareer growth opportunities into infrastructure, DevOps, or cloud rolesnCompetitive compensation and long-term stabilitynApply now or refer someone who fits this role perfectly.