Staff Infrastructure System Engineer, Ledger

Ledger

Location:
France, Paris

Category:
IT - Administration

Contract Type:
Not provided

Salary:

Not provided

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Job Description:

Staff Infrastructure System Engineer role at Ledger, focused on designing, configuring and administering systems infrastructure including core services, internal tools, monitoring solutions and bare metal servers. The position involves researching and implementing new technologies, supporting continuous integration tools, and ensuring high availability of systems in a digital assets and Web3 platform environment.

Job Responsibility:

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

Requirements:

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
Proven level of autonomy
Ability to communicate, convince, explain, and justify choices
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

What we offer:

Flexible work options - 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
Commuter allowance - contribution to preferred means of transportation
Learning & Development - comprehensive suite of training solutions providing personalised learning experience

Additional Information:

Job Posted:
October 29, 2025

Employment Type:

Fulltime

Work Type:

Hybrid work

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Staff Infrastructure System Engineer