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.

3,000+experts, including 300+ AI scientists and data specialists driving innovation
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13%of revenue invested in R&D, sustaining long‑term technological leadership |
1,600patents supporting differentiated, sovereign technologies |
60+projects contributed for major EU and government‑funded innovation programmes |
Bull is an independent company, but for the time being, our job opportunities are still published on the Atos careers website.
To explore current Bull openings:
Go to the Atos careers portal
Use the search function
Enter “Bull” in the keywords field
Browse the roles that match your profile and interests
This will allow you to easily identify positions within Bull and apply directly online.
We look forward to discovering your talent and welcoming you to Bull!

Discover our latest publications. Here, at Bull, 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.
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From hardware to virtualization platform, ensuring sovereignty, compliance, and full auditability through open-source engineering.
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Robust and future-proof virtualization solution delivering 60–80% lower TCO compared to traditional options.
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Flexible configurations with BullSequana SH or BullSequana SA to meet diverse workload needs.
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Lightweight hypervisor and optimized design for maximum VM-to-core ratio.
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Full supply chain transparency, advanced hardware protection, and trusted execution technologies.
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Reduced power consumption per workload with eco-conscious infrastructure design and smart VM scheduling.
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Modular, composable hardware with API-driven orchestration for seamless scalability.
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An already validated reference architecture and a SPOC for hardware-software integration and support.
Yes. Even though applications are submitted via the Atos platform, successful candidates will join Bull, work with Bull teams, and contribute to Bull projects.
Yes. Bull is working towards hosting its job opportunities directly on its own platforms. Until then, the Atos careers website remains the official channel for applications.