This is fantastic advice. Thank you so much!A modern CV in France should be no more than 2 pages, preferably 1. The CV is usually put through a program to pick up key words, thus thinning out applicants.
Here are a couple of useful articles
Most employer still require a lettre de motivation (especially given the CV is so short), which is an excellent way to explain why you should be hired. See this article
You will note that the above articles differ greatly from the link provided by Bev which is an EU standard - France as usual is different
Cadre emploi by the way is a good site to look for positions of the type you are seeking.