Sergio Freitas Machado email & phone information | Senior Telecommunications Specialist in Oi S.A (2010-08-01 - 2010-08)

Sergio Freitas Machado

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Senior Telecommunications Specialist in Oi S.A (2010-08-01 - 2010-08)

Telecommunications Specialist in Embratel (1999-07 - 2007-02)

Supervisor in Nesic Brasil S/A (1998-02 - 1999-07)

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Rio De Janeiro, Rio De Janeiro, Brazil

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s*****.********@g****.com + 1 more

linkedin + 2 more

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