Logo TechBiz Global GmbH

Technical Support Engineer / Linux Systems Administrator

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Job

  • Level
    Experienced
  • Job Field
    IT, System, Security
  • Employment Type
    Full Time
  • Contract Type
    Permanent employment
  • Location
    Augsburg
  • Working Model
    Onsite
  • Job Summary

    In this role, you administer Linux systems, manage web hosting operations, optimize web applications, and configure network security while handling technical support requests and supporting infrastructure projects.

    Job Technologies

    Your role in the team

    • Infrastructure Collaboration: Work within the technical team to administer and maintain GNU/Linux operating systems and virtualized/containerized environments (OpenVZ, KVM, Docker, etc).
    • Web Hosting Operations: Participate in the deployment, management, and troubleshooting of industry-standard control panels (like cPanel/WHM, Plesk) within shared hosting environments.
    • Application & Web Stack Support: Troubleshoot and optimize web applications built on common web technologies, frameworks, and CMS platforms (WordPress, Laravel, etc.). Assist clients and resolve complex issues related to PHP, with knowledge of Node.js and Python stacks considered a strong plus.
    • Network & Security Operations: Assist in configuring and maintaining network protocols, firewalls, and WAFs (ModSecurity, Imunify360). Collaborate with the team to identify, respond to, and mitigate security incidents (malware, phishing, DoS, etc.).
    • Mail Server Administration: Troubleshoot mail flow and deliverability issues, you are already familiar with Exim, Dovecot, SPF, DKIM, DMARC, and the use of external mail relays.
    • Performance & DevOps: Contribute to routine service monitoring and execute performance tuning across Apache, Nginx, LiteSpeed, and database engines (mainly MySQL/MariaDB, and rarely PostgreSQL and Redis).
    • Reliability & Migrations: Support infrastructure projects, including migration of hosting accounts, VMs, and mail systems. Assist in testing and implementing disaster recovery, backups, failovers, and caching/CDN strategies.

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    Our expectations of you

    Qualifications

    • OS Mastery: Advanced proficiency in Linux system administration and troubleshooting. Familiarity with Windows Server environments (including IIS, MSSQL) for cross-platform support cases.
    • Hosting Stacks: Deep understanding of the cPanel/WHM ecosystem, CloudLinux (LVE, CageFS, Selectors), PHP configuration, and typical shared hosting constraints and workarounds. In addition to proven expertise configuring, managing, and troubleshooting HTTP web servers (Apache, Nginx, LiteSpeed, etc.).
    • Web Technologies: Strong grasp of web server mechanics, relational/NoSQL databases, and the ability to debug complex web apps at the server level.
    • Networking Fundamentals: Solid understanding of TCP/IP, DNS, and network protocols.
    • Communication: Strong ability to manage escalated support tickets and collaborate with peers to provide custom technical solutions for clients.

    Experience

    • Several years of hands-on experience in the web hosting industry in both technical support and system administration.

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    Topics You Will Work On

    Job Locations

    • Location Augsburg

      Bayern

      Germany

    About Your Employer

    TechBiz Global GmbH

    TechBiz Global GmbH

    TechBiz Global GmbH is a leading company in the field of IT recruitment and software development. The company supports its clients in scaling and achieving new successes. Based in Germany, it offers a variety of services.

    Description

  • Company Type
    Recruiting Agency
  • Working Model
    Full Remote, Hybrid, Onsite
  • Industry
    Internet, IT, Telecommunication
  • Logo TechBiz Global GmbH

    Technical Support Engineer / Linux Systems Administrator

    Location
    Augsburg
    Working Model
    Onsite
    Diversity
    Open for all genders
    English Only
    English only required

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