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Systemadministrator Linux (m/w/d)

Aachen, NORDRHEIN_WESTFALEN💼 Full-time🗓 2026-06-24 → 2026-09-18

Core

Maintaining stability and scaling complex, highly available environments for enterprise CRM software serving tens of thousands of daily users.

Role type

Senior Linux System Administrator (Infrastructure)

Builds

Production Linux infrastructure, high-availability services, and automated deployment pipelines.

Domain

Enterprise IT Infrastructure / Cloud Operations

Deliverable

production ML models | product features | dashboards & analysis | infrastructure

Required skills

Linux administration (Ubuntu/Debian), Ansible automation, TCP/IP networking, troubleshooting, high-availability system design, storage management, virtualization concepts

Preferred skills

OpenStack, MariaDB, Quobyte, Mail infrastructure, monitoring solutions

Technologies

Ubuntu, Debian, Ansible, OpenStack, Quobyte, MariaDB

Responsibilities

Managing and evolving productive Linux infrastructures in distributed enterprise landscapes, performing systematic troubleshooting for complex incidents, automating operational processes and configuration management, provisioning high-availability services (web servers, databases, mail systems, load balancers), optimizing network components (TCP/IP, routing, VLANs, DNS), and assuming operational responsibility including on-call duties.

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