Internship - Cyber Software Engineer -Mithril Security


Mithril Security is a deep tech startup specializing in cybersecurity solutions that ensure data confidentiality and model protection in AI processes. We utilize secure enclaves (secure environment protection by encryption) to deploy AI algorithms safely, enhancing user privacy and security.

We want to facilitate the adoption of artificial intelligence with new security solutions. So we are open-source toolkits to allow AI providers to move to the next level in terms of AI safety. Interested in AI safety challenges? Check out our blog!

Our Confidential AI technology has gained recognition among key industry players. Notably, the OpenAI Cybersecurity Grant Program has supported our work, funding our R&D efforts to deploy AI models securely in enclaves. We were the first ones to create a Confidential AI inference open-source solution. Additionally, we are working with the Future of Life Institute on developing hardware-backed AI governance tooling.

Accelerated by the prestigious UC Berkeley SkyDeck program and 42, Mithril Security has rapidly grown. Our dynamic team of AI cybersecurity experts has successfully secured $1.4M in pre-seed funding from US and European investors.

Located in a Parisian coworking space (13th arrondissement, close to Square René Le Gall), we are a young team gathered around a tech passion, completed with regular after-work events.

Join us in our mission to make AI safety a reality. At Mithril Security, we are not just building technology; we are shaping the future of secure and ethical AI.

We are looking to recruit new motivated profiles, so feel free to browse our offers and apply!
o revolutionize AI and cybersecurity!

Job Description

Your job:

You will be part of our cybersecurity team. You will be in charge of implementing the security architecture. The main purpose of this role is to deploy our secure enclave and improve the secure deployment of the AI inference server.

The first big project will be testing solutions for deploying a Confidential environment inside a Kubernetes cluster. Modifying the core of Kubernetes will be a big part of the job.

This role welcomes candidates who may be junior but possess a strong willingness to learn and adapt quickly, especially in the realm of Confidential Computing, leveraging the resources provided by Mithril Security.

Technical environment:

Our technical environment primarily revolves around Rust, Python, and Go.

We utilize Confidential Computing platforms such as AMD SEV-SNP, Intel TDX, and Hopper 100 GPUs in conjunction with cybersecurity and networking concepts. Azure and GCP are our primary hosting platforms, and GitHub is our collaboration tool.

Preferred Experience


At Mithril Security, we value two things:

  • Technical excellence (you get complex stuff done)

  • Reliability (work given to you is done predictably)

Skills and knowledge: 

Essential skills:

  • Proficiency in one of the following languages: Rust or GO

  • Excellent ability with cloud stack including Kubernetes and Terraform is mandatory

In addition, these elements will be valuable for this application:

  • Cybersecurity knowledge is preferred.

  • Cloud security knowledge is a big plus.

  • Comfortable working in a collaborative team environment.

  • A junior profile will be accepted, but experiences are favored.

  • Any proof of outstanding skills in the above domain: price, awards, attendance to hackathon and competition. Please list them in the “Cover letter section”.

Benefits of the position:

  • Work on cutting-edge technology

  • Play a decisive role in innovative projects

  • Opportunity to create an innovative by working on an impactful solution

Other requirements:

  • Candidates must work in person with the cybersécurity team in France in Paris 13th.

  • You need to speak English (B2+ minimum). French is optional.

Recruitment Process

Recruitment Process

We start by giving you a take-home assignment to evaluate your ability to learn new concepts fast, solve problems, and your autonomy. You are expected to set your own timeline for the assignment. Speed in completing tasks is valuable, but the skill of establishing and meeting deadlines is paramount.

  1. Take-home assignment to evaluate learning ability, problem-solving, and autonomy.

  2. Interview with a security engineer.

  3. Final interview with the CEO.

  • Please complete the WTJ form to help us learn more about you. We will contact you shortly. If you are responsive, this process can be expedited!

Additional Information

  • Contract Type: Full-Time
  • Location: Paris
  • Occasional remote authorized