Sovereign Platform Engineer - Confidential Computing

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.

Key Responsibilities:

Build and industrialize confidential computing platforms

• Design and implement Kubernetes-based platforms leveraging technologies such as Intel TDX, confidential containers, and Kata Containers
• Embed security-by-design principles including cryptography, secure boot, attestation, and secrets management
• Apply Zero Trust principles to workload identity, verification, and isolation
• Define reference architectures and deployable patterns for sovereign cloud environments
• Design lifecycle management, orchestration, and automation capabilities across private, hybrid, and sovereign cloud infrastructures

Prototype, develop, and validate solutions

• Build prototypes and proofs of concept to evaluate emerging technologies
• Contribute to sovereign platform and DPU technology roadmaps
• Develop platform components and tooling using Go, Rust, Python, or C/C++
• Transform experimental concepts into validated assets ready for transfer to R&D
• Evaluate hardware/software integration across processors, accelerators, virtualization, containers, and orchestration layers

Measure and optimize performance

• Benchmark and optimize platform performance across hardware, virtualization, container, and orchestration layers
• Assess security versus performance trade-offs
• Provide data-driven recommendations to support architectural and product decisions

Leverage and contribute to open-source ecosystems

• Work with Kubernetes, KVM, QEMU, Kata Containers, Confidential Containers, attestation frameworks, and key management services
• Troubleshoot and improve components across the stack, including Linux system layers when required
• Contribute integrations, fixes, and enhancements aligned with platform objectives

Bridge customer needs, hardware innovation, and cloud services

• Translate low-level security capabilities into consumable platform services
• Collaborate closely with Cloud Distinguished Architects, customer teams, and technology partners
• Support the definition and prioritization of confidential computing use cases
• Influence platform roadmaps, product requirements, and technology directions
• Engage internal and external stakeholders to evaluate and validate emerging technologies

Profile

Experience

• 10+ years of experience in platform engineering, infrastructure, cloud, cybersecurity, datacenter technologies, or related domains
• Experience working with R&D, product organizations, partners, and customers to industrialize innovative technologies
• Hands-on experience with Kubernetes, Linux, containers, cryptography, attestation, secure boot, or secrets management
• Experience with cloud orchestration, infrastructure automation, and systems engineering
• Practical development experience in Go, Rust, Python, or C/C++

Technical Skills

• Confidential Computing technologies, Trusted Execution Environments (TEEs), and attestation
• Hardware root of trust, platform integrity, and secure boot
• Sovereign infrastructure technologies including DPUs, trusted silicon, and accelerators
• Cloud-native, virtualization, and container technologies
• Linux and systems engineering
• Hybrid cloud orchestration and management platforms
• Performance engineering, benchmarking, and optimization
• Open-source platforms and collaborative development practices

Leadership Skills

• Lead complex technical initiatives from exploration through industrialization
• Translate emerging technologies into platform capabilities and architectural guidance
• Communicate effectively with engineers, customers, partners, and senior stakeholders
• Influence technical and strategic decisions across multiple organizations
• Build trusted relationships with customers, partners, and internal teams

Languages

• Professional fluency in English is required.
• French is considered a strong plus.

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.