Ceph Engineer – Developer

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October 25

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ELITS

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Telecommunications • IT-Consulting • DevOps

ELITS is a company founded in 2006 that has grown from a small team to a global workforce. It aims to be one of Sweden’s best workplaces by focusing on customer satisfaction and employee development. ELITS offers a diverse range of roles, including telecommunications, IT consulting, DevOps development, and more. The company values strong relationships with employees, customers, and communities, emphasizing honesty, transparency, and continuous improvement. With a family-friendly culture, ELITS promotes work-life balance, creativity, and simplicity in its operations.

51 - 200 employees

📡 Telecommunications

📋 Description

• Deep-dive into Ceph code and architecture (RADOS, RGW, core storage) to optimize performance and scalability for production workloads. • Profile, benchmark, and troubleshoot performance issues at scale—spanning tens of petabytes and thousands of clients—to identify architectural and operational bottlenecks. • Lead internal knowledge development and mentorship on Ceph expertise across the IaaS and Operations teams. • Actively contribute upstream to the Ceph project by submitting patches, participating in design discussions, and influencing features critical to cloud provider use cases (e.g., multi-AZ, RGW performance, tiering). • Develop and maintain internal build pipelines and necessary extensions, ensuring compliance and long-term maintainability. • Partner with Platform Operations to enhance observability, maintain stability, and accelerate issue resolution in production clusters. • Collaborate with other squads to ensure Ceph capabilities evolve in line with upcoming roadmap items such as GPU-aaS, Backup-aaS, Bare-metal-aaS, and DB-aaS.

🎯 Requirements

• Proven track record operating Ceph at scale (multi-petabyte, high-availability clusters) in production environments. • Strong C++ development experience for system-level software, especially within Ceph core components. • In-depth knowledge of performance tuning (OSD placement, CRUSH maps, BlueStore tuning, cache tiering, RGW optimization). • Solid understanding of Linux systems engineering, networking, and storage I/O paths. • Proficiency with Ansible (playbooks, roles, collections) for large-scale operations and Python for custom modules, Ceph tooling, and automation workflows. • Hands-on experience with performance analysis tools ( perf , flamegraphs , distributed tracing). • Familiarity with Go for building lightweight or performance-sensitive utilities is an asset. • Bachelor’s degree in Engineering, Computer Science, or a related field, or equivalent experience and training.

🏖️ Benefits

• Remote work options • Professional development opportunities