Industrial Systems and Networks Engineer - Internship - M/F

AssystemNantesJob.bopublished 09/29/2026
Machine translation — original language: French.Show original

Responding to the challenges of the energy transition and strengthening our sovereignty are 21st-century priorities. At the heart of these issues, Assystem supports its clients in the realization of their most strategic projects. And to achieve this, our 8,000 Switchers mobilize their expertise in engineering, project management, and digital.

Present in 13 countries (Europe, Middle East, Central Asia, North America), we contribute to the development of new nuclear electricity production capacities, the maintenance of existing installations in operational conditions, as well as the design and realization of critical infrastructures, particularly in the defense sector.

Your future team Under the responsibility of Karl, Industrial IT Team Manager, you will be a driving force in a team specialized in computerized systems in the field of performance improvement, working in close collaboration with major industrial players. You will participate in the design and realization of projects aimed at controlling production processes, monitoring industrial installations, and the rational use of raw materials and energy.

Your missions 🔹 Conduct an assessment of existing network architectures on industrial sites, 🔹 Map communication equipment: Industrial Routers, managed Switches, industrial Wi-Fi Access Points, industrial Firewalls, Programmable Logic Controllers, communication Gateways, 🔹 Analyze the performance and resilience of network infrastructures, 🔹 Participate in the definition of a standardized industrial network architecture, 🔹 Study network segmentation mechanisms: VLAN, inter-VLAN Routing, network Redundancy, industrial DMZ, 🔹 Contribute to the improvement of Wi-Fi coverage in workshops, 🔹 Participate in the implementation of network supervision tools, 🔹 Write technical standards and associated documentation, 🔹 Participate in the testing and validation of proposed solutions.

This end-of-studies internship is much more than a simple professional opportunity; it offers stimulating career evolution perspectives upon graduation. Prepare for short-term travel within France for the commissioning of your projects.

Why do your internship at Assystem? We have 3 good reasons to convince you! 🏆 Quickly develop your skills thanks to high value-added missions, close support, and a structured integration process including follow-up points throughout your internship. 🥐 Evolve in a benevolent environment where team spirit is a reality: 87% of our interns and apprentices highlight the quality of the social climate at Assystem. 📈 Build your professional future within a group that recruits more than 100 interns every year and where 75% of interns continue the adventure in a CDI or apprenticeship!

Your assets and prerequisites for success 🔹 In a BAC+5 training focused on control-command systems, more specifically industrial networks and equipment, you are looking for a 6-month internship to validate your degree.   🔹 Autonomy, rigor, organization, team spirit, analytical skills, and strong technical abilities are your distinguishing traits. 🔹 Proficiency in English is mandatory. Join us to give a new dimension to your career within a passionate team at Assystem, where excellence and innovation are our daily drivers. Send us your application now to take part in this enriching professional adventure!

We are committed to respecting equal treatment between candidates, and we cultivate all forms of diversity. At Assystem, only skills matter! If you wish to bring any situation or specific needs to the attention of Assystem, do not hesitate: you will be supported!