Impija replaced Mateus Magala, who joined the African Development Bank (AfDB) in October last year.
The announcement was made by cabinet spokesperson Ana Comoana, at a media briefing late on Tuesday after a cabinet meeting.
Prior to his appointment, Impija served as executive administrator of Business Planning and Development at EDM.
He graduated in Electrical Engineering from Eduardo Mondlane University in 1995, and worked as Director of Systems Planning, and Transport Network, among others, at EDM.