Jobs / TechBiz Global GmbH

Technical Support Engineer / Linux Systems Administrator (L2/L3)

TechBiz Global GmbH · Madrid, MD, Spain
Madrid, MD, SpainOnsite
Remuneration
Not specified
Location
Madrid, MD, Spain
Visa sponsorship
Not specified

Job summary

TechBiz Global is seeking a Technical Support Engineer / Linux Systems Administrator to join a client's team. The role involves administering Linux systems, managing web hosting operations, and troubleshooting complex issues in a collaborative environment.

Qualifications

  • Several years of hands-on experience in the web hosting industry in both technical support and system administration
  • Advanced proficiency in Linux system administration and troubleshooting
  • Deep understanding of the cPanel/WHM ecosystem, CloudLinux (LVE, CageFS, Selectors), PHP configuration, and typical shared hosting constraints and workarounds
  • Strong grasp of web server mechanics, relational/NoSQL databases, and the ability to debug complex web apps at the server level
  • Solid understanding of TCP/IP, DNS, and network protocols
  • Strong ability to manage escalated support tickets and collaborate with peers to provide custom technical solutions for clients

Responsibilities

  • Work within the technical team to administer and maintain GNU/Linux operating systems and virtualized/containerized environments (OpenVZ, KVM, Docker, etc)
  • Participate in the deployment, management, and troubleshooting of industry-standard control panels (like cPanel/WHM, Plesk) within shared hosting environments
  • Troubleshoot and optimize web applications built on common web technologies, frameworks and CMS platforms (WordPress, Laravel, etc)
  • Help configure and maintain network protocols, firewalls, and WAFs (ModSecurity, Imunify360)
  • Troubleshoot mail flow and deliverability issues, you are already familiar with Exim, Dovecot, SPF, DKIM, DMARC, and the use of external mail relays
  • Contribute to routine service monitoring and execute performance tuning across Apache, Nginx, LiteSpeed, and database engines (mainly MySQL/MariaDB, and rarely PostgreSQL and Redis)
  • Support infrastructure projects, including migration of hosting accounts, VMs, and mail systems

Skills

AnsibleBashDockerLinuxMariaDBMySQLNGINXNode.jsPHPPostgreSQLPythonRedisWindowsWindows Server

Relocation

No