Infrastructure System Administrator - Internship

About Ledger

We’re a team of experts pushing the limits of what’s possible, united by our common goal to unlock true freedom through digital ownership, making technology accessible for all. We believe in a world where users, creators and enterprises manage their value with ownership and freedom. Our curiosity drives us to innovate, empowering individuals on a global scale. We believe change is constant and our team moves forward as one, with a culture of problem-solving where every employee is empowered and supported to challenge tradition and create solutions. Our mission is simple: to make self-custody accessible and give people the keys to their own financial futures. If you want to make a true impact, we want you to join us at Ledger.

At Ledger, we’re proud to be the global platform for digital assets and Web3, with over 20% of the world’s crypto assets secured through our Ledger devices. With our headquarters in Paris, and offices in Vierzon, Grenoble, Montpellier, London, Portland, Geneva, Zurich and Central Singapore, we have a team of around 600 professionals developing a variety of products and services to enable individuals and companies to securely buy, store, swap, grow and manage crypto assets – including the Ledger hardware wallets line with more than 7.5 millions units already sold in 200 countries.

Internship duration: 6 months

Over a 6‑month internship, the Infrastructure Administrator Intern will audit and align our codebase access management to industry best practices; strengthen policy enforcement and least‑privilege controls; and support operational reliability by improving monitoring and alerting for our self‑hosted infrastructure and services. The intern will also provide user support for access and tooling issues, collaborating with engineering and security teams to document the current state, close gaps, automate repeatable controls, and enhance visibility through actionable alerts and clear runbooks.

What you'll be doing:

• Support of Engineering tools services users

• Configuration, maintenance and administration of systems infrastructure including core services, internal tools, monitoring solutions and bare metal servers

• Contributing to the identification, test and implementation of new system technologies and solutions

• Contributing to projects for the delivery of new systems features and requests by our infrastructure, development and DevOps teams

• Sizing and forecasting systems work packages and working with other technical experts and project managers to deliver work on-schedule and within requirements

• Ensure documentation and tracking of Ledger's infrastructure solutions and hardware is up to date

What we're looking for:

• Hands-on experience with in Linux system administration and management in a high availability environment.

• Hands-on experience with configuration management tools such as Ansible or SaltStack.

• Experience with virtualization environments and Docker or other container technologies

• Working knowledge of system monitoring tools- especially Prometheus.

• Coding in a scripting language e.g bash and/or Python.

• Highly motivated and self-driven. Your level of autonomy is proven

• You know how to communicate, convince, explain, and justify your choices

• You are honest and realistic

• You are fluent in English, French is a plus

Bonus

• Experience in Datacenter operations or network devices

• Knowledge with Kubernetes.

• Experience with CI/CD tools like Github, Jenkins

At Ledger, we are dedicated to continually investing in our employees which is why we offer more than just salaries; we provide comprehensive compensation packages that include a wide range of benefits. Here are some of the benefits you can look forward to:

• Social: Frequent social events, snacks and drinks

• Transportation allowance: Ledger offers a commuter allowance to contribute to your preferred means of transportation.

• Lunch vouchers: Ledger offers a meal allowance with Swile

• Vacation: 1 day off for every full month of work, in addition to national holidays

• Compensation: €1,500 a month

For regionally specific benefits, your Talent Acquisition contact will be able to provide you with more information.

We’re committed to building an inclusive hiring process. If you need any adjustments or accommodations, just let us know, we’ll do our best to support you.