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Sanna Sirainen's work experience includes being a Chief Source Analyst at M-Brain Finland from an unspecified starting year. Before that, they worked at Nokia Networks as a Production Operator from June 2004 to August 2008. Additionally, they were a Micromechanic at Aikamuoto oy in January and February 2008, and at Oxford Instruments in January 2007.

Sanna Sirainen attended The Finnish School of Watchmaking from 2005 to 2008, where they completed a Micromechanic degree.