Technical Support Engineer / Linux Systems Administrator (L2/L3) at TechBiz Global GmbH

TechBiz Global GmbH; Roma; In loco; EUR 45.000 - 65.000; Tempo pieno

Descrizione del lavoro

TechBiz Global GmbH in Roma, Italy seeks a Technical Support Engineer / Linux Systems Administrator to maintain Linux systems, host panels, and web stacks. You will support WordPress/Laravel apps, manage mail, and ensure security with WAFs and backups.

The role emphasizes collaboration within the tech team, troubleshooting across Apache/Nginx/LiteSpeed, and enabling smooth migrations and disaster recovery. Multilingual communication helps client support.

Competenze

• Several years of hands-on experience in web hosting with technical support and system administration.
• Advanced proficiency in Linux system administration and troubleshooting.
• Cross‑platform support in Windows Server environments (IIS, MSSQL).
• Deep understanding of cPanel/WHM, CloudLinux (LVE, CageFS, Selectors) and HTTP web server configurations (Apache, Nginx, LiteSpeed).
• Strong knowledge of web technologies, databases, and server-side debugging.
• Solid networking fundamentals (TCP/IP, DNS).
• Ability to manage escalated tickets and collaborate with teams to deliver custom solutions.
• Nice-to-have automation: Bash, Python utilities, Ansible playbooks.

Mansioni

• Administer and maintain GNU/Linux systems and virtualized/containerized environments (OpenVZ, KVM, Docker).
• Deploy, manage, and troubleshoot hosting control panels (cPanel/WHM, Plesk) in shared hosting.
• Support web applications (WordPress, Laravel) and PHP/Node.js/Python stacks.
• Configure and maintain network/firewall/WAF security (ModSecurity, Imunify360).
• Troubleshoot mail flow; familiar with Exim, Dovecot, SPF, DKIM, DMARC and relays.
• Monitor services and tune Apache, Nginx, LiteSpeed, MySQL/MariaDB; occasional PostgreSQL/Redis.
• Assist in migrations, backups, DR, failovers, and caching/CDN strategies.
• Provide multilingual support and clear client communication.

Conoscenze

Linux administration

Networking

Troubleshooting

Cross‑platform support

Bash scripting

Python utilities

English fluency

Strumenti

OpenVZ

KVM

Docker

cPanel/WHM

Plesk

Apache

Nginx

LiteSpeed

MySQL/MariaDB

Redis

Dovecot

Exim

SPF/DKIM/DMARC

ModSecurity/Imunify360

WHMCS

Ansible

Bash scripting

Python

Descrizione del lavoro

Technical Support Engineer / Linux Systems Administrator (L2/L3) at TechBiz Global GmbH in Roma, LAZ, IT.

Key Responsibilities

• 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: Help configure and maintain network protocols, firewalls, and WAFs (ModSecurity, Imunify360). Work 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.

Required Qualifications

• Experience: Several years of hands‑on experience in the web hosting industry in both technical support and system administration.
• 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.
• Nice‑to‑Have Automation & Scripting: Proficiency in writing Bash scripts, Python utilities, and utilizing Ansible playbooks to help the team automate routine deployments and maintenance tasks.
• Billing & Integration: Experience with WHMCS backend architecture and custom module integrations.
• Hardware & Architecture: Familiarity with high‑density enterprise server architectures and large‑scale account consolidation workflows.
• Multilingual Support: Professional fluency in English is highly advantageous for internal documentation and diverse client communication.