DevOps Engineer / Linux Systems Administrator

Quick Facts

• Role: DevOps Engineer / Linux Systems Administrator

Description

You will be responsible for the stable operation of Ubuntu servers and applications for a digital certification and AI platform. The role includes administering, monitoring, and optimizing server infrastructure, handling updates and upgrades, and troubleshooting Nginx, PHP, MariaDB, Redis, Supervisor, Plesk, and SSL/TLS.

Responsibilities

• Ensure stable operations of Ubuntu servers and applications
• Administer, monitor, and optimize server infrastructure
• Install security updates and plan/execute Ubuntu upgrades
• Administer and troubleshoot Nginx, PHP, MariaDB, Redis, Supervisor, Plesk, and SSL/TLS certificates
• Analyze and resolve performance issues and incidents
• Monitor the full system landscape and proactively detect errors
• Perform root-cause analysis for outages or unusual system behavior
• Work closely with the development team
• Isolate technical issues and, if needed, specify precise Laravel hotfix requirements
• Optionally implement smaller Laravel hotfixes
• Prepare for, support, and follow up on external penetration tests
• Support continuous improvements to the security architecture

Requirements

• Multi-year experience with Linux servers (Ubuntu)
• Very strong knowledge of Nginx
• Experience with PHP applications
• Good knowledge of MariaDB/MySQL
• Experience with Redis and Supervisor
• Confident use of Plesk
• Experience with SSL/TLS, certificates, and server security
• Analytical thinking and structured troubleshooting
• Independent and reliable working style
• Experience with Git
• Knowledge of web security (OWASP, hardening)
• Experience accompanying or conducting penetration tests
• Experience with performance tuning and monitoring
• Experience with Laravel and debugging complex Laravel applications

Benefits

• Flexible working hours with options for remote work/home office
• Ongoing in-company training and professional development
• Annual salary range: €50,000–€70,000
• Short decision paths, high ownership, and the opportunity to actively shape infrastructure and processes