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Linux System Engineer (f/m/d) Monitoring & Container Technologies

At IONOS, the leading European provider of cloud infrastructure, cloud services and hosting services, you will work together with a wide range of teams. We are characterized by open structures, a friendly working culture and flat hierarchies with a strong team spirit. We firmly believe that work and fun are compatible, and offer you the right environment for this. Our constant growth means that we are always looking for new colleagues. Become part of IONOS and grow with us.

I want to apply now via online application form


Our team of highly motivated Observability and Operations experts is looking for more teammates. As a system administrator you will operate and improve together with site reliability engineers and network engineers our observability stack from metal to BGP announcement.

In a culture which places great value on creative ideas, agile working methods, initiative, and participation you can expect the following tasks:

  • You will actively maintain (provision, operate, migrate) systems for cross-company monitoring and reporting on Linux and participate in an on-call service rotation.
  • Support company goals through efficient operating architecture, active lifecycle management and lean processes in an agile DevOps environment.
  • You will continuously update your knowledge and experience in handling Linux and networking technologies and contribute them effectively to the team.
  • You will analyze problems, resolve incidents in accordance with the respective ITIL processes, and document them.


  • The foundation of your success is a completed computer science degree or equivalent qualification.
  • 2+ years of practical experience in administering 100+ Linux systems (no specific Distribution) in 3+ data centers.
  • Experience with monitoring, configuration, VCS, and visualization tools (Icinga2, Puppet, Ansible, git, grafana).
  • Familiar with databases, messaging, and metric systems (collectd/telegraf, Apache Kafka, Apache Cassandra, Metrictank, ELK).
  • Understanding of modern software architectures and their deployment (REST, Microservices, Docker, CI/CD).
  • Knowledge of network and infrastructure services (DNS, BGP, VLANs, Firewalling, IPv6).
  • Scripting/programming knowledge (bash, python, golang, Java, etc.).
  • The ability to communicate with an international team fluently in English (B2), German is a benefit.


We welcome a structured and independent work approach, as well as open and cooperative communication with your own and other teams.

We offer:

  • Flexible working hours or remote office options.
  • Extensive training opportunities (e-learning, conferences, seminars, mentoring).
  • Various benefits (discounts on company products, company pension scheme).
  • Various health offerings (JobRad leasing, internal health & sports courses, discounts at fitness studios).
  • Free coffee, additional beverages, and fruits in the office buildings.
  • A modern workplace in a newly constructed office building completed in 2020, including our own company canteen.

Job info

Location: Karlsruhe or Work from home
Type: Full-time
Category: IT Software Development
Work experience: Professionals
Reference ID: 3804


IONOS is the leading European digitalization partner for small and medium-sized businesses (SMB). The company serves around six million customers and operates across 18 markets in Europe and North America, with its services being accessible worldwide. With its Web Presence & Productivity portfolio, IONOS acts as a 'one-stop shop' for all digitalization needs: from domains and web hosting to classic website builders and do-it-yourself solutions, from e-commerce to online marketing tools. In addition, the company offers Cloud Solutions to enterprises who are looking to move to the cloud as their businesses evolve. 

We value diversity and welcome all applications - regardless of, for example, gender, nationality, ethnic or social origin, religion, disability, age as well as sexual orientation and identity, physical characteristics, marital status or any other irrelevant factor subject to applicable law.

Recruiting Team IONOS
Hinterm Hauptbahnhof 3-5
D-76135 Karlsruhe