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Raymond MERCIER, Network and System freelance Security consultant.


Expert since more than 20 years in security (audit, architecture, development...), networks (firewalls, routers, switches...) and systems (Windows, Linux, Solaris...) in several domains of activity:

  • Security audit
  • Architecture definition
  • Hardware integration
  • Users training
  • Software development


I have a great skill of off-shore / on-shore turnkey projects with short or long missions on-site all over the world.


Have a look to my professional experience and my offer of services and do not hesitate to contact me for more information:

  • This email address is being protected from spambots. You need JavaScript enabled to view it.
  • +33 (0)6 52 71 28 64
  • LinkedIn profile
  • Viadeo profile

The Circitor was an officer in the Roman legions in charge of doing night patrols, inspecting guard posts and monitoring the garrison.