Systems & Network Engineer (M/F)

About the role

Permanent contract - Executive status 📍 Les Ulis (91) - onsite, 1 day of remote work per week after validation of the probationary period 💶 €50,000 to €65,000 gross annual, depending on profile Informadis, a company of the E.Leclerc Movement, is the telecom operator, integrator, maintainer, and host (2 datacenters) for E.Leclerc stores. We are strengthening our IT Engineering team and recruiting two Systems & Network Engineers. You will design Informadis products and technical solutions: you will define architectures and reference configurations, document them, write the procedures that teams will then apply, and provide level 3 expertise within your scope. Each of the two positions has a primary focus, either systems or networks, with an interest in the other: projects involve both. Areas of intervention Systems • Develop installation and migration procedures for client servers to Windows Server 2025 • Design reference servers for the catalog and evolve them • Define the standardized domain, group policies, and workstation management (Active Directory, GPO) • Design and size remote desktop farms (RDS) for stores • Lead the virtualization migration from VMware to Datacenter Virtualization Solution (DCS), and ensure the reliability of storage, backup, and monitoring • Develop PowerShell deployment and migration scripts Networks • Design store network architecture: switching, VLAN, routing, addressing plan • Develop reference configurations for switches and replacement procedures • Define security rules and remote access on Fortinet firewalls • Design inter-site links and the hosting network • Evolve the internal telephony platform (Asterisk) and build the operator SIP trunk infrastructure (interconnection, SBC) by 2027 Design, documentation, and compliance • Establish recommendation rules used by pre-sales and estimate deployment times • Write documentation and operating procedures, and transmit them to the teams who apply them • Validate the technical feasibility of recommendations and support complex files • Translate ISO 27001 and NIS2 requirements into technical rules within your scope • Provide level 3 expertise within your scope No on-call duty. Occasional travel (stores, datacenters) is possible depending on projects: analysis, pilot, tests. Your profile • Master's degree (engineering school or equivalent), minimum 5 years of experience in a company, managed services, or integration • Systems focus: Windows Server, Active Directory, GPO, and RDS. Virtualization and PowerShell appreciated • Network focus: switching, routing, VLAN, and firewalls. Fortinet and ToIP/SIP appreciated • Taste for design, formalization, and transmission: knowing how to write a procedure that someone else can apply without you • Mastery of both domains is not required. Certifications appreciated, not required What we offer • Executive status • Smartphone (iPhone or Samsung, your choice) and laptop • Health insurance 100% covered • Restaurant card • Gratification bonus and profit-sharing bonus • 1 day of remote work per week after validation of the probationary period This position is open to everyone, including people with disabilities. The personal data collected as part of this recruitment is processed in accordance with the GDPR. It is kept for 2 years and you have the right to access, rectify, and delete it by writing to Jobs in France on Arbeitnow