Are you passionate about managing infrastructure at a scale that few in Europe can offer? At
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IONOS, Europe’s #1 hosting provider, we are looking for a
Specialist System Administrator
with a leadership profile to join our critical infrastructure team.
This is not a routine maintenance position. You will join at a pivotal moment to work with the technical operations of
Stretch
(our next-generation web hosting platform) and ensure the operational continuity of an ecosystem encompassing over 500 servers across 28 data centers.
The Challenge: Your Mission
Your primary objective will be to stabilize and grow the infrastructure following the migration of major platforms (such as Telekom) into the IONOS ecosystem. You will be a key player in mitigating operational risks and ensuring hosting services continue to run seamlessly while we rebuild and expand the team in Spain.
Key Responsibilities:
Platform Management:
Build, maintain, and optimize large-scale Linux platforms and
Ceph
storage clusters.
Continuity & Support:
Provide Level 3 support, working closely with Level 2 teams and participating in on-call rotations (approx. 1 week every 6) after an initial adaptation period.
Knowledge Transfer:
Collaborate with colleagues in Cologne (Germany) to absorb institutional knowledge of legacy systems and document critical processes.
Continuous Improvement:
Identify performance bottlenecks and propose/implement proactive improvements to the existing architecture.
Your Profile
We are looking for 3 passionates about
Open Source, who remain calm under pressure and enjoy solving complex technical puzzles.
Experience:
Minimum of 3 years in Linux systems administration, with at least 1-2 years in team leadership or technical management roles.
Automation & Configuration:
Strong command of configuration management tools ( Puppet, Saltstack ) and orchestration tools ( Ansible, Terraform ).
Scripting:
Advanced proficiency in
BASH and Python .
Cloud & Virtualization:
Hands-on experience with
OpenStack .
Observability:
Proficiency with monitoring tools such as
Prometheus and Grafana .
Desired Requirements
Networking knowledge (TCP/IP v4/v6, load balancing with HAProxy, routing).
Experience with SQL databases (MySQL, PostgreSQL).
Familiarity with containers ( Docker, Podman, Kubernetes ) and CI/CD pipelines.
Experience with
ZFS
file systems.
Global Scale:
You will work on one of the largest and most advanced hosting platforms in Europe. The volume of data and traffic you will handle is rarely found in other companies.
Real Impact:
Your work will directly impact the stability of thousands of web services and the success of critical corporate-level migrations.
Learning Culture:
We value curiosity. You will have access to continuous training, tech talks, and an environment that fosters professional growth.
Stability and Future:
You will be part of a long-term growth strategy in Spain, enjoying the benefits of belonging to a solid, industry-leading group.
Are you ready for the challenge? xhfqzwm Apply now and help shape the technical future of IONOS.
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