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Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # (M/W) Infrastructure, Systems & Automation Administrator - **Company:** Wandercraft - **Location:** Paris, France - **Experience:** Experienced - **Salary:** €45,000.0 - **Contract:** Permanent contract - **Skills:** Proxmox, Microsoft Windows, Active Directory, Amazon S3, User Authentication, Bash Shell, Ubuntu (Operating System), Software as a Service, Cyber Security, Information Systems, Debian Linux, Linux, Disaster Recovery, Identity and Access Management, IT Management, Networking Hardware, Internet Protocol Security (IP SEC), Virtual Private Networks (VPN), Python (Programming Language), Network Security, Linux System Administration, Network Architecture, Routing, Network Segmentation, OpenVPN, Linux Containers, Samba (Software), Virtual Local Area Networks, Virtual Machines, Virtualization Technology, Backup and Restore, Wi-Fi Technology, Computer Networking Systems, Firewalls (Computer Science), Git, Gitlab-ci, Infrastructure Automation Frameworks, Information Technology, Fortinet, ZFS File System, Puppet, Docker - **Published:** June 14, 2026 - **Apply:** https://fr.indeed.com/viewjob?jk=3f55f2bf52177d19 ## About the Role Do you have experience in Linux?, Do you have a Master's degree?, * Diploma: Bachelor's degree to Master's degree (BSc to MSc) in Computer Science, Information Systems, Networks, Cybersecurity, or a related field. * Required experience: A minimum of 3 to 5 years of professional experience in systems administration, Linux infrastructure management, or hybrid IT environments is required. Solid knowledge of network infrastructures, virtualized environments, Microsoft 365 administration, and identity management mechanisms (Active Directory / Entra ID) is expected. A strong interest in IT automation, infrastructure optimization, and continuous improvement of IT processes is highly valued. * Skills (hard and softskills) : * Linux Administration - Expert Level * Windows Administration - Independent Level * Virtualization - Independent Level * Networking - Expert Level * Microsoft 365 - Expert Level * Active Directory / Entra ID - Expert Level * Identity Management & IAM - Independent Level * IT Automation - Expert Level * Backup & Disaster Recovery (DRP) - Independent Level * Authentication & SSO - Independent Level * Next-Generation Firewalls (NGFW) - Independent Level * Docker - Basic Knowledge * Git - Basic Knowledge * Risk Assessment - Independent Level * Troubleshooting - Expert Level * Documentation - Expert Level * Technical English -Advanced Level ## Description Reporting to the IT Manager, the Infrastructure, Systems & Automation Administrator will be responsible for the following duties. This position plays a strategic role in the continuous evolution of the company's IT infrastructure, with a strong focus on Linux environments, automation, identity management, and hybrid infrastructures. Systems Administration & Virtualization * Administration of the virtualized infrastructure based on Proxmox VE * Management of virtual machines and Linux containers * Administration of Linux systems (Debian / Ubuntu) * Management of Docker environments and internal services * Monitoring and ensuring the operational continuity of IT infrastructure Backup, Disaster Recovery & Storage * Administration of backup systems through Proxmox Backup Server * Management of local and external backup strategies (Wasabi S3) * Execution of restoration tests and participation in Disaster Recovery Planning (DRP) * Management of ZFS storage systems Network & Security * Administration of network equipment and Fortinet firewalls * Management of VPN solutions (IPSec / OpenVPN) * Management of VLANs, routing and network segmentation * Participation in network infrastructure evolution and cybersecurity projects * Deployment and maintenance of WiFi infrastructures Microsoft 365, Identity & Directory Services * Administration of Active Directory / Samba-AD and hybrid environments * Management of identities, groups, access policies and directory synchronization * Administration of Microsoft 365 / Exchange Online / Entra ID * Participation in the evolution of IAM and SSO solutions for internal and SaaS applications * Management of access rights across Linux and Windows environments * Deployment and maintenance of Linux workstation integration mechanisms within the identity infrastructure Workstation Management & Linux Environment * Administration, deployment and maintenance of Linux workstations * Administration and evolution of configuration management tools (Puppet) * Management of updates, configuration and lifecycle of Linux workstations * Participation in provisioning automation and compliance maintenance of user devices * Management of authentication and Linux workstation integration mechanisms within the IT infrastructure User Support & Assistance * Technical support for end users (Level 1 / 2 / 3) * Management of hardware and software incidents * Preparation and deployment of workstations * Writing and maintaining technical documentation and procedures Projects & Continuous Improvement * Automation of systems administration and workstation management tasks (Bash, Python, Puppet, GitLab CI/CD) * Participation in the industrialization and standardization of IT deployments * Development and improvement of automated installation and configuration mechanisms * Contribution to continuous improvement of IT tools and internal processes IT Governance & Documentation * Participation in defining technical standards and IT best practices * Documentation of architectures and operational procedures * Contribution to infrastructure evolution and strategic IT discussions ## Related Videos - [Docker network without Docker](https://www.wearedevelopers.com/videos/1418-docker-network-without-docker) - [My journey into DevOps world - How it all started!](https://www.wearedevelopers.com/videos/545-my-journey-into-devops-world-how-it-all-started) - [How a Small Team Shrank a Microsoft Monorepo by 94%](https://www.wearedevelopers.com/videos/1236-how-a-small-team-shrank-a-microsoft-monorepo-by-94) - [Docker Compose: Rediscovered](https://www.wearedevelopers.com/videos/1978-docker-compose-rediscovered) - [Docker exec without Docker](https://www.wearedevelopers.com/videos/1094-docker-exec-without-docker) - [Docker build without Docker](https://www.wearedevelopers.com/videos/100114-docker-build-without-docker) ## Related Articles - [Best Coding Boot Camps in Germany](https://www.wearedevelopers.com/magazine/237-best-coding-boot-camps-in-germany) - [The Most Popular IT Jobs on the Market](https://www.wearedevelopers.com/magazine/376-the-most-popular-it-jobs-on-the-market) - [Where to Find Entry-Level Software Engineering Jobs](https://www.wearedevelopers.com/magazine/397-where-to-find-entry-level-software-engineering-jobs) - [Fully Remote Software Engineer Jobs](https://www.wearedevelopers.com/magazine/447-fully-remote-software-engineer-jobs) - [Top-Paying Tech Jobs (with Salaries)](https://www.wearedevelopers.com/magazine/372-top-paying-tech-jobs-with-salaries) - [Find a Developer Job: 12 Best Job Sites For Developers](https://www.wearedevelopers.com/magazine/165-find-a-developer-job-12-best-job-sites-for-developers)