Brambilla specialized in modern history, graduating in 1967 University of Milan.
She worked first as an assistant before becoming a professor at the Faculty of Letters and Philosophy of the University of Milan, starting in 1983.
She coordinated the Italian-French university degree in two-year specialization in modern history.
[1][2] Brambilla wrote several essays and collaborated in editing some periodicals, such as Rivista di storia della filosofia, Rivista di storia della Chiesa in Italia, Rivista di studi politici internazionali, Società e storia, Diritto comunitario e degli scambi internazionali, Quaderni storici, Nuova Rivista Storica, Rivista Storica Italiana[4] and Communications of the Political Research Center of the Sorbonne.
She was a member of the board of Unicomli, providing a series of history editions for Lombardy.