Job Description

About Bull

Bull is a story. One with a century of European innovation and a working environment where experts design powerful, sustainable, and sovereign digital solutions, enabling states and industries to retain full control over their data and their AI.

Bull is also thousands of engineers, researchers, and passionate tech people shaping the future of high‑performance computing, AI, and quantum technologies.

Every day, our teams push the boundaries of what is technologically possible – from next‑generation HPC architectures to exascale supercomputers – supported by world‑class R&D, more than 1,600 patents, and unique end‑to‑end capabilities spanning hardware design, software engineering, data science and quantum research.

We are a people‑centric, innovation‑driven company, where collaboration spans Europe, the Americas and India. We share a common vision of a responsible and sustainable innovation that delivers concrete impact for our customers.

Virtualized Platform Administrator

Main Mission ensure optimal operation, availability, and performance of the VATES / XCP-ng virtualization platform.

Responsibilities

• XCP-ng pool management: hosts, hypervisors, virtual networks, SR

• VM monitoring and resource optimization (CPU/RAM/IOPS)

• Automation through Xen Orchestra, Vates API, or scripts (Python/Bash)

• VM lifecycle management (creation, migration, snapshots, HA)

• HA setup, live migration, cluster optimization

• Participation in deployments, hypervisor patching, and orchestrator updates

• Collaboration with storage team (NetApp provisioning)

• Level 2/3 virtualization incident resolution

• Hypervisor network management

Key Skills

• XCP-ng hypervisors, Xen Orchestra, Linux

• Scripting (Bash/Python)

• SR knowledge (iSCSI / NFS / Storage Repos)

Why join us?

• Work on high-impact projects integrating cloud, AI, and data technologies.
• A collaborative environment focused on innovation, mentorship, and knowledge-sharing.
• Training and Certifications: Access to continuous learning and career development opportunities.
• Flexible working environment
• Competitive salary and benefits package.
• Reimbursement: Get a yearly fixed amount for reimbursement.
• Performance Bonus: Earn an annual performance bonus based on your achievements.
• Career Advancement: Explore numerous opportunities for professional growth and career advancement.
• Extra Vacation Days: Take advantage of additional vacation days to relax and recharge.

Join us!

Here, your ideas, your curiosity, and your technical excellence directly shape the next era of advanced computing - unlocking enterprise value, accelerating scientific progress, and driving positive impact for society.