Junior HPC Network Engineer - Paris Region

About Mistral

Mistral provides full-stack AI solutions: from frontier models to developer tools, applications, and compute. We partner with enterprises tackling the hardest problems—across high-stakes industries like finance, manufacturing, defense, healthcare, and the public sector—co-creating customized AI systems that they can run on their terms.

We are a dynamic, collaborative team passionate about AI and its potential to transform society. Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between Europe, North America, Asia and the Middle East. We are creative, low-ego and team-spirited.

About Mistral

At Mistral AI, we believe in the power of AI to simplify tasks, save time, and enhance learning and creativity. Our technology is designed to integrate seamlessly into daily working life.

We democratize AI through high-performance, optimized, open-source and cutting-edge models, products and solutions. Our comprehensive AI platform is designed to meet enterprise needs, whether on-premises or in cloud environments. Our offerings include le Chat, the AI assistant for life and work.

We are a dynamic, collaborative team passionate about AI and its potential to transform society.

Our diverse workforce thrives in competitive environments and is committed to driving innovation. Our teams are distributed between France, USA, UK, Germany and Singapore. We are creative, low-ego and team-spirited.

Join us to be part of a pioneering company shaping the future of AI. Together, we can make a meaningful impact. See more about our culture on .

About the Role

As a Junior HPC Network Engineer, you will support the design, deployment, and optimization of high-performance network infrastructures for Mistral’s HPC clusters and AI workloads. You will work closely with senior engineers to learn, troubleshoot, and contribute to the networking solutions that power our AI research and production environments. This role is ideal for someone eager to grow their expertise in HPC networking while collaborating with a cross-functional team.

Key Responsibilities

• Assist in the design and deployment of high-performance, low-latency network architectures for HPC environments, including InfiniBand, RoCE, and high-speed Ethernet, under the guidance of senior engineers.

• Support the integration of networking solutions with compute clusters, storage systems, and cloud platforms, collaborating with HPC, DevOps, and AI research teams.

• Troubleshoot network issues with supervision, following escalation procedures to minimize downtime and maximize performance.

• Monitor network performance, capacity, and security, and assist in implementing improvements as directed.

• Document network configurations, architectures, and operational procedures to ensure knowledge is shared and retained.

• Stay updated with emerging HPC networking technologies and best practices, and participate in their adoption within Mistral.

• Learn from senior team members to develop expertise in HPC networking protocols, hardware, and automation tools.

Qualifications & Experience

Technical Skills (Required)

• Basic understanding of networking protocols (e.g., TCP/IP, InfiniBand, or RoCE).

• Familiarity with network hardware (e.g., switches, routers, NICs) from vendors like Mellanox, Cisco, or Arista (hands-on experience is a plus).

• Exposure to network automation tools (e.g., Ansible, Python scripting) or a strong willingness to learn.

• Basic knowledge of HPC environments, parallel computing, or distributed systems (academic or project-based experience is acceptable).

• Awareness of network security best practices.

Technical Skills (Nice to Have)

• Experience with Linux/Unix systems and command-line tools.

• Exposure to cloud networking (AWS, GCP, Azure) or hybrid environments.

• Familiarity with monitoring tools (e.g., Prometheus, Grafana, Wireshark).

Soft Skills:

• Strong problem-solving and analytical skills with a willingness to learn.

• Ability to thrive in a fast-paced, collaborative environment with guidance from senior team members.

• Excellent communication skills (English required; French is a plus).

• Eagerness to document and share knowledge with the team.

Education

• Bachelor’s or Master’s degree in Computer Science, Engineering, or a related field OR equivalent practical experience (e.g., internships, personal projects, or certifications).

• Recent graduates or early-career professionals are encouraged to apply

Why Join Mistral?

• Impact : Contribute to scaling Mistral’s cutting-edge AI infrastructure from day one.

• Growth : Accelerated learning in a high-growth startup environment with mentorship from senior engineers.

• Collaboration : Work with a talented, supportive team passionate about AI and technology.

• Flexibility : Competitive compensation, benefits, and the chance to build foundational skills in HPC networking.

What we offer

We offer a comprehensive benefits package designed to support your well-being, growth, and work-life balance. Benefits vary by country and may include healthcare coverage, parental leave, retirement plans, relocation support, wellness programs, meal and transportation allowances, and other location-specific perks.

For the most up-to-date details on benefits available in your location, please refer to our Benefits page .

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