Lenstra was founded by passionate computer science engineers with a proven track record of delivering high-quality solutions. By combining technical excellence with a strong vision, we support top-tier clients across industries such as Banking & Insurance, Luxury, and Technology.Our expertise is structured around four core pillars: Software Development, DevSecOps, Data & AI, and Product. Through a holistic understanding of our clients’ environments, we help them address their most complex challenges—from building robust software and secure cloud platforms to designing data-driven solutions that accelerate business impact.About the roleWe are currently helping an investment management client with the deployment of their physical and virtual Linux servers based on the needs of the business teams, automation of deployments and support of the Development teams for building tools.The successful candidates will:Work across multiple data centers in Europe, Asia, and the AmericasManage an infrastructure composed of several thousand Linux serversWork on a large VMware vSphere infrastructureHelp the teams upgrade from RHEL 7 to RHEL 9Is skilled in enterprise storage solutions (Dell, EMC, Purestorage, etc.)Manage several high-performance computing clusters (Slurm)Interfere on a large technical area using: Puppet, Ansible, Docker, Git, Python, Bash, Nagios, GrafanaRequirements:In depth knowledge of LinuxRHEL (Red Hat Entreprise Linux) Great infrastructure as Code competencies: Puppet or AnsibleExperience with infrastructure development using Python or BashExpertise with enterprise NAS/SAN storage technologiesProven experience with VMWare virtualisation technologiesMastery of Git and DockerLocation: This job is based in Paris, on a hybrid set-up (3 days onsite, 2 days at home).Our recruitment process consists in 3 interviews:1 introductory call with the recruiter1 technical interview1 behavioural interview with one of the partners