* Timespan: August 2024 - September 2025
* Description:
- Some projects carried out and skills developed in the company as part of a 3/4-week work-study program.
- Company: Delta Sertec.
Networking: Restructuring the security network at a critical facility

- Design of high-availability network architectures with independent link redundancy, differentiated according to customer resources.
- Implementation of ANSSI recommendations and guidelines, use of ANSSI-qualified security components.
- Mapping of network segmentation and VPN tunnels.
- Scaling of next-generation firewalls with integrated intrusion prevention systems, notably according to throughput and port density.
- Management of certification authority chains, enabling trusted relationships to be established and encrypted data to be exchanged between devices.
- Power balances and estimates of power supply requirements.
Cybersecurity: Development of a Cybersecurity unit

- Development of solutions and technical audit offers for IT security and cybersecurity.
- Implementation of main reference frameworks for the development of standardized audit solutions: CIS Controls, NIST Cybersecurity Framework, etc.
- Production of technical and financial documentation for offers.
- Development of a partnership with La Plateforme digital school.
System: On-site deployment of virtualization technologies, network services and business software

- Deployment and operation of Proxmox hyperconverged infrastructures, with distributed storage.
- Design and deployment of architectures to guarantee high availability of software solutions.
- Networking dedicated to the design and development of connected solutions.
- Containerized deployment of project management software and network services.
Physical security: Development of hypervision interfaces for building management systems

- Design of graphical elements and intuitive user interfaces, integrated into hypervision interfaces.
- Integration and interconnection of industrial communication protocols: Modbus and derivatives, OPC UA, etc.
- Integration of technological ecosystems covering anti-intrusion, access control, video protection, intercom systems, etc.
Documents and deliverables
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