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.

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People-powered excellence

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.

If you are proactively interested in joining Bull and would like to be considered for future opportunities, please feel free to contact us at careers@bull.com. However, we encourage you to apply directly to our current open positions whenever possible, as this allows for a faster and more tailored recruitment process, enabling direct alignment between your skills, the role requirements, and the hiring teams involved.

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

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100% European Infrastructure

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

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Reliable, Cost-Efficient Performance

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

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Tailored, Scalable Architecture

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

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High Density and Low Latency

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

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End-to-End Security

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

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Energy Efficiency

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

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Easy Expansion and Automation

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

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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. 

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Bull announces 500 recruitments in 2026

Bull unveils a major recruitment plan to hire 500 employees in 2026. Bull is pursuing this strategic investment reflects as part of its growth trajectory.

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Podcast

Bull Voices

Bull Voices is our podcast series dedicated to the women and men who make Bull what it is. Engineers, researchers, architects and experts share their journeys, their roles, and what it really means to work on cutting‑edge technologies at Bull.

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.

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