noun, masculine/ɛ̃.fɔʁ.ma.ti.sjɛ̃/plural: informaticiens
informaticien is masculine in French.
computer specialist, computer scientist; IT worker
“Une revanche très maladroite et inopportune puisque les élus brillent par leur absence et les ingénieurs, informaticiens, physiciens et autres ne déméritent aucunement.” — A very clumsy and inopportune revenge since the elected officials are conspicuous by their absence, and the engineers, computer scientists, physicists, and others, are in no way deserving.
From informatique + -ien.