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Staff Storage Reliability Engineer (f/m/d)

Ionos2

Berlin (IONOS SE) Hybrid permanent

Posted: December 9, 2025

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Job Description

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.

Staff Storage Reliability Engineer for our global, public Object Storage platform, built upon Ceph. You'll be engineering solutions to scale in production, working with our operations team to build, deploy and maintain our platforms.

Currently in double digit PetaBytes, deployed in multiple locations, our Ceph platform is a high growth and a critical part of our internal and public infrastructure. You will be expected to contribute to the ongoing development, improve and maintain our production environments and ensure that uptime, performance and security are maintained with scaling.

Tasks

Ceph Deployment and Management:

• Deploying, configuring, and maintaining Ceph clusters, including managing storage pools, placement groups, and other core components.

• Performance Optimization:

• Tuning Ceph for optimal performance, addressing bottlenecks, and ensuring efficient resource utilization.

Automation:

• Developing and implementing automation strategies for Ceph deployments, upgrades, and maintenance tasks.

• Troubleshooting and Problem Solving:

• Diagnosing and resolving complex technical issues related to Ceph storage, often involving collaboration with other teams.

Collaboration:

• Working closely with development teams, system administrators, and other stakeholders to integrate Ceph into various systems and applications.

Staying Updated:

• Keeping abreast of the latest Ceph developments, new features, and best practices.

• Participating in the Ceph community and sharing knowledge.

Qualifications

• 5 years+ experience as a Senior Linux Engineer or Site Reliability Engineer; Deep and broad understanding of Linux systems and networking.

• Proficiency in Ceph storage architecture and administration.

• Knowledge of Cloud Storage technologies (File, Object, Block)

• Experience with automation tools (eg, Ansible), monitoring and observability

• Familiarity with cloud platforms and containerization technologies (eg, docker).

• Excellent problem-solving and troubleshooting skills, strong communication and collaboration abilities.

Benefits

• Hybrid working model.

• Flexible working hours through trust-based working hours.

• At some locations a subsidized canteen and various free drinks.

• Modern office space with very good transport connections.

• Various employee discounts for activities and products.

• Employee events such as summer and winter parties, as well as workshops.

• Numerous training and development opportunities.

• Various health offers, such as sports and health courses.

About IONOS

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.

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