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Level 3 Linux Administrator

Posted 19 days ago

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.


Key Responsibilities:

  • Manage and resolve advanced support tickets related to Linux hosting environments
  • Troubleshoot and fix issues with WordPress, LiteSpeed, cPanel, and general server performance
  • Handle Proxmox-related tasks including VPS management, container troubleshooting, and cluster maintenance (1–2 years experience required)
  • Perform daily tasks such as SSL installations, domain pointing, DNS adjustments, email configuration, and user access controls
  • Manage server backups, migrations, and system recovery procedures
  • Ensure ticket response SLAs are met and escalate when needed
  • Work with other engineers and teams to improve knowledge base and automation processes

Requirements:

  • 3+ years of experience in Linux server administration (hosting industry preferred)
  • 1–2 years of hands-on experience with Proxmox virtualization
  • Strong knowledge of web hosting stack: Apache/Nginx, MySQL, PHP, DNS, email servers
  • Experience with WordPress, SSL setup, domain configuration, and LiteSpeed tuning
  • Comfortable with command-line tools and common Linux distributions (Ubuntu, CentOS, Debian)
  • Ability to troubleshoot under pressure and communicate solutions clearly

Why Join Ultahost?

  • Work in a high-performance technical team serving a global client base
  • flexibility and 24/7 team collaboration
  • Career growth opportunities into infrastructure, DevOps, or cloud roles
  • Competitive compensation and long-term stability

If you’re ready to tackle real infrastructure challenges and support thousands of users daily, we want to hear from you.

Apply now or refer someone who fits this role perfectly.

Apply for this Position

This job was posted via the UltaHost careers portal. Your application will be handled directly by their hiring team.
Please mention BigRemoteJob when applying!

  • UltaHost - is a leader in fast Hosting solutions for mission critical websites & apps. UltaHost provides shared, reseller, virtual private server, and dedicated web hosting with an additional presence in Delaware, Middletown, USA.

    Website: https://ultahost.com

    HQ Location: Middletown, Delaware

    Established: 2019

    Company Size: 201-500

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