Staff Infrastructure System Engineer (f/m)

Ledger; Paris; Hybride; EUR 70 000 - 90 000; Plein temps

Résumé du poste

A leading technology firm in Paris seeks an experienced Infrastructure Engineer to design and manage system infrastructure. The role involves monitoring, troubleshooting, and implementing security measures. Candidates should have over 10 years of Linux system administration experience and familiarity with virtualization technologies. Comprehensive compensation packages and hybrid work options are provided.

Prestations

Flexible work options

Health & Wellness support

Financial growth opportunities

Commuter allowance

Learning & Development

Qualifications

• 10+ years of experience in Linux system administration in high availability environments.
• Experience with virtualization and containerization environments.
• Hands-on experience with configuration management tools.

Responsabilités

• Design and administer systems infrastructure including core services and internal tools.
• Monitor, optimize, and troubleshoot hardware or software incidents.
• Ensure documentation of Ledger's infrastructure systems is up to date.

Connaissances

Linux system administration

Virtualization and containerization (K8s, Docker, Proxmox)

Configuration management (Ansible)

System monitoring (Prometheus)

Knowledge of encryption and PKI technologies

Communication skills

Creative problem solving

Outils

Terraform

SaltStack

Description du poste

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.

The Team

You love high availability systems, monitoring and automation, and want to work in a diverse, international and interdependent team? Join our infrastructure team.

What you’ll be doing:

• Design, configuration and administration of systems infrastructure including core services, internal tools, monitoring solutions and bare metal servers
• Researching, piloting, integrating, and implementing new technologies and infrastructure solutions
• Supporting and contributing to the delivery of source code version management, continuous integration tools, and package management solutions
• Accurately sizing and forecasting systems work packages within the infrastructure domain
• Act as point of escalation for the design or setup of any systems delivery
• Monitoring, optimizing and troubleshooting, diagnosing and resolving hardware or software incidents and problems
• Protecting data, software, and hardware by coordinating, planning and implementing security measures
• Configuration, monitoring and maintenance of backup and replication routines and organizing disaster recovery readiness
• Ensure documentation of Ledger's infrastructure systems is up to date

What we’re looking for:

• At least 10 years of experience in Linux system administration and management in a high availability environment.
• Experience with virtualization and containerization environments (K8s, Docker, Proxmox)
• Hands‑on experience with configuration management tools such as Ansible and Infrastructure‑as‑code solutions such as SaltStack or Terraform
• Working knowledge of system monitoring tools- especially Prometheus.
• Knowledge of encryption and PKI technologies.
• 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
• Creative problem solving and solutions assessment skills with an ability to identify develop and implement solutions to meet the needs of the business

Nice to have:

• Experience in Public Cloud deployments on AWS.
• Hands‑on experience with self‑hosted K8s clusters
• Knowledge of application transport and network infrastructure protocols.
• Experience in Datacenter operations or network devices

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:

• Flexible work options - Our hybrid policy allows employees to work from home up to 3 times per week
• Health & Wellness support - Health and Life Insurance.
• Financial growth opportunities - Employees can become shareholders in Ledger as well as other financial benefits depending on your country of work.
• Commuter allowance - Ledger offers a commuter allowance to contribute to your preferred means of transportation.
• Learning & Development - A comprehensive suite of training solutions providing a personalised learning experience for every employee.

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.