Vincent Kraemer is a seasoned middleware and applications administrator with nine years of focused experience managing JBOSS, WebSphere, Apache, Tomcat and database platforms for large enterprises, currently supporting the CEA via ATOS Infogérance. He combines deep hands‑on skills in Linux/Windows/Solaris environments, application migrations, incident management and platform upgrades with practical DB administration across MySQL, MariaDB and Sybase. Earlier roles show strong foundations in IT operations, virtualization (VMware), SAN provisioning and VIP desktop support, reflecting an ability to operate across infrastructure and application layers. An active contributor to the ivre network reconnaissance project, he added JA3 fingerprinting and UI filtering features—an indicator of applied security interest and backend development capability. Based in Paris, he pairs customer-focused service delivery with a pragmatic approach to automation and supervision in production-critical environments. Colleagues value him for reliably bridging operational discipline and incremental technical improvement.
9 years of coding experience
10 years of employment as a software developer
Mise en réseau de systèmes informatiques et télécommunications, Mise en réseau de systèmes informatiques et télécommunications at D2B informatique MONTREUIL
Network recon framework. Build your own, self-hosted and fully-controlled alternatives to Shodan / ZoomEye / Censys and GreyNoise, run your Passive DNS service, build your taylor-made EASM tool, collect and analyse network intelligence from your sensors, and much more! Uses Nmap, Masscan, Zeek, p0f, ProjectDiscovery tools, etc.
Role in this project:
Back-end Developer
Contributions:42 commits, 20 PRs, 2 branches in 11 months
Contributions summary:Vincent primarily contributed to the `ivre/ivre` project by adding functionality to handle and display JA3 fingerprints within the network recon framework. The code changes involve modifying and adding new methods in the `view.py` and `db/__init__.py` files to merge and filter JA3 fingerprints. Furthermore, the user introduced user-agent filtering functionality and enhanced the web interface by improving the layout for small devices. The user also added tests for the JA3 filters.
Impacket is a collection of Python classes for working with network protocols.
Contributions:10 PRs, 6 pushes, 2 branches in 2 years 1 month
pythongeventnetworkingimpacketclasses-python
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