Senior Ceph/Rook-Ceph + Kubernetes Storage Engineer

Globaldev Group is a team of professionals specializing in creating engineering teams for technological businesses for Western Europe, Israel, and the USA focusing on long-term product teams with modern technology stacks. Established in 2010 in Kharkiv, they have offices in Berlin and development hubs in Israel, Ukraine, Portugal, and Poland, and currently employ 220 people.

• 5+ years in DevOps, SRE, infrastructure, or storage engineering
• Deep hands-on production Ceph experience including OSD, MON, MGR, PGs, recovery, backfill, capacity planning, performance tuning, scaling, and high availability
• Experience building, operating, upgrading, and troubleshooting production Ceph clusters
• Hands-on Rook-Ceph in Kubernetes (preferably business-critical production environments)
• Strong Kubernetes knowledge including CSI/storage integration
• Linux administration and troubleshooting at OS/hardware level
• Automation experience with Ansible
• Experience with Helm
• Monitoring and observability with Prometheus and Grafana
• Experience investigating storage performance, latency, disk failures, network bottlenecks, and recovery issues
• Strong understanding of failure domains, CRUSH topology, replication, and storage architecture
• Good English communication skills

Highly valuable but not mandatory:

• OpenStack experience, especially Ceph integration with Cinder, Glance, Nova, and RBD
• Petabyte-scale Ceph environments
• Bare-metal infrastructure
• Large production Rook-Ceph clusters
• CephFS and RGW/S3 experience
• Customer-facing troubleshooting/support experience

• Focus on production Ceph environments and Kubernetes storage
• Infrastructure troubleshooting
• Building, operating, upgrading, and troubleshooting production Ceph clusters