Careers

Build what matters together

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.

aerial view of a group working around a table

People-powered excellence

3,000+

experts, including 300+ AI scientists and data specialists driving innovation 

13%

of revenue invested in R&D, sustaining long‑term technological leadership

1,600

patents supporting differentiated, sovereign technologies

60+

projects contributed for major EU and government‑funded innovation programmes

Ready to join us?

As part of our move toward greater autonomy, we are temporarily using the Atos Group’s recruitment infrastructure to centralise your applications. Simply enter “Bull” in the search field to find our projects and teams.

Apply in 3 steps:

  1. Go to the Atos careers portal

  2. Keyword: Type “Bull” to see our exclusive opportunities

  3. Application: Choose your mission and apply directly!

Explore the challenges that await you and submit your application: we review every profile with the utmost care to build the future of Bull together with you. No AI processed applications, no automated filtering, just a human approach.

Bull is now an independent company, an adventure we don’t envision without you. We look forward to discovering your talent and welcoming you to Bull!

Woman interesting in a career at Bull

growth_icon_outline_dark

100% European Infrastructure

From hardware to virtualization platform, ensuring sovereignty, compliance, and full auditability through open-source engineering.

end_to_end_icon_dark_outline

Reliable, Cost-Efficient Performance

Robust and future-proof virtualization solution delivering 60–80% lower TCO compared to traditional options.

end_to_end_icon_dark_outline

Tailored, Scalable Architecture

Flexible configurations with BullSequana SH or BullSequana SA to meet diverse workload needs.

end_to_end_icon_dark_outline

High Density and Low Latency

Lightweight hypervisor and optimized design for maximum VM-to-core ratio.

growth_icon_outline_dark

End-to-End Security

Full supply chain transparency, advanced hardware protection, and trusted execution technologies.

end_to_end_icon_dark_outline

Energy Efficiency

Reduced power consumption per workload with eco-conscious infrastructure design and smart VM scheduling.

end_to_end_icon_dark_outline

Easy Expansion and Automation

Modular, composable hardware with API-driven orchestration for seamless scalability.

end_to_end_icon_dark_outline

Easy Deployment

An already validated reference architecture and a SPOC for hardware-software integration and support.

Related Resources

Warranty
  • BullSequana SA11/21 warranty
  • BullSequana SA10/20 warranty 
Recommended products and solutions

Related resources

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. 

FAQ

For the moment, Bull job opportunities are still hosted on the Atos careers platform. This is a temporary situation linked to the transition period following Bull’s independence.

All positions identified with “Bull” in the job description or keywords correspond to roles within Bull.

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.

Get in touch

Contact us