Job
- Level
- Senior
- Location
- Cologne
- Working Model
- Onsite
- Job Field
- IT, System, DevOps
- Employment Type
- Full Time
- Contract Type
- Permanent employment
Job Summary
In this role, you will develop the storage architecture for an on-premise cloud platform, operate Ceph clusters, and optimize automation strategies using Kubernetes and OpenStack, ensuring high availability and performance.
Job Technologies
Your role in the team
- You will help us build, operate and industrialize the storage foundation of our on-premise cloud platform.
- As part of a small, experienced team, you will own the Ceph clusters behind our block, object, and file storage services - essentially the storage on which every customer workload ultimately runs.
- The platform is still actively being built, which means you will have real influence on the storage architecture, hardware lifecycle, automation strategy and technical direction.
- The role goes beyond Ceph itself: you will regularly work across bare metal, networking, OpenStack, Kubernetes and GitOps.
- As a Senior Engineer, you take ownership of your area and help make storage predictable, durable and highly automated as we scale into the petabytes.
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Our expectations of you
Qualifications
- You know the Ceph fundamentals from real-world operations: CRUSH, pools and placement groups, replication vs. erasure coding, BlueStore, scrubbing, recovery and backfill under load.
- You have managed storage infrastructure end to end, from the physical layer with drives, firmware, BIOS, controllers and hardware diagnostics through rebalancing, host drains, capacity expansion and hardware generation migrations.
- You are comfortable using Kubernetes as a control plane, not only as a workload runtime, and understand operators/controllers, custom resources, reconciliation and GitOps.
- You can also move confidently around OpenStack and debug issues involving Ironic, Neutron, Nova or Glance when needed.
- You have dealt with situations where durability really matters - such as degraded or near-full clusters, recovery under load or split-brain conditions - and you are used to making changes in a staged, evidence-based and reversible way.
- You have strong Linux and bare-metal skills, understand the block layer, filesystems and I/O behaviour, and are comfortable working with Ansible, Terraform and GitOps.
- AI-assisted engineering is already part of your day-to-day work.
- You work autonomously, bring a strong sense of ownership, and are comfortable debugging problems where the actual root cause may sit somewhere between storage, networking, Kubernetes and OpenStack.
- You would rather verify what is happening from evidence than assume how the system should behave.
- We work in an international environment in English, so you should feel comfortable discussing technical topics, documenting decisions and working with the team in English.
Experience
- Several years of hands-on experience as an SRE, Storage Engineer or Platform Engineer running production storage infrastructure, with solid experience deploying, operating and debugging Ceph in production.
- You have practical experience with LLMs and agentic tools and know where they can meaningfully support development, testing, reviews or operations.
- Ideally, you also bring experience with RGW / S3, RBD mirroring, CephFS or ceph-csi, deeper OpenStack storage integrations and Go and/or Python.
- Experience with VLAN/BGP, storage performance tuning, NVMe/BlueStore, observability, data protection, encryption, auto-remediation, security baselines, or multi-site storage is also relevant for the role.
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What we offer
- Exceptional team spirit across all departments and national borders; we live #OneTeam.
- Exciting work in a highly innovative and international environment with cutting-edge technologies.
- 32 vacation days, increasing with length of service.
- Flexible working hours, home office options, and a secure permanent position with market- and performance-based compensation.
- Employer-funded pension plan and an attractive insurance package.
- OVHcloud covers 50% of public transportation costs.
- Up to €400 annual financial contribution from OVHcloud towards sports activities (gym membership, sports classes, etc.).
- Through Corporate Benefits, you receive attractive discounts at numerous shops and companies.
- We contribute to the leasing of your cargo bike.
- Regular company events and free cold and hot beverages.
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Benefits
Work-Life-Integration
Topics You Will Work On
Job Locations
About Your Employer
gridscale GmbH
gridscale ist ein europäischer IaaS- und PaaS-Anbieter und schafft mit seiner innovativen Technologie die Basis für anspruchsvolle Cloud-Lösungen. Das Unternehmen mit Hauptsitz in Köln bietet zukunftsorientierten und digital ausgerichteten Nutzern mit seiner hochautomatisierten Architektur eine Lösung, in der sie flexibel zwischen einer Vielzahl an Infrastructure-as-a-Service-Komponenten sowie komplementären Platform-as-Service-Elementen wählen können.
Description
- Founding Year
- 2014
- Company Type
- Established Company
- Working Model
- Hybrid, Onsite
- Industry
- Internet, IT, Telecommunication
Senior Site Reliability Engineer - Ceph / On-Prem Cloud Storage
- Location
- Cologne
- Working Model
- Onsite
- Diversity
- Open for all genders
- English Only
- English only required
