Network architecture & segmentation
Design multi-site architectures, structure VLANs and zones, control flows and turn network evidence into understandable rules.
Montpellier · Networks · Cybersecurity
Valentin HebertNetwork & Cybersecurity Engineer
I design, deploy and operate network and security infrastructure — then build the tools that make those operations more reliable, explainable and straightforward.
VHNetwork
& Security
& Security
Design
Deploy
Operate
Automate
10+years across networks & telecoms
2020network security engineer at SNS Security
3documented case studies
01 / From operations to tooling
From operations to tooling
My work connects architecture, operations and automation: understand the actual risk, preserve traceability, then deliver an outcome that can be tested and operated.
02 / Expertise
Areas of expertise
Routing, SD-WAN & remote access
Deploy and troubleshoot connectivity, VPNs and dynamic routing where availability and operational clarity matter.
Security & SASE
Implement security policies, access controls and SASE architectures while accounting for operations, incidents and user experience.
03 / Selected work
Selected work
Tools born from concrete operational needs, presented with their actual status and limitations.
Explainable network segmentation
FortiFlow2
Turn traffic observations into traceable, controlled and understandable FortiGate policy proposals.
Functionally validated candidate · final confidence review planned
Fortinet upgrade intelligence
FortiUpgrade
Query recommended paths, enrich every step and monitor useful version, vulnerability and notification signals.
Deployed · maintenance mode
Usage observability for Hermes
quota-hermes
Expose quotas, windows, balances, context and qualified cost without sending provider credentials to the browser.
Open source · version 1.0.4 published
04 / Contact
A network, security or automation challenge?
Let’s discuss your environment, operational constraints and expected outcome.