Pasadena-based consulting engineering services firm Tetra Tech Inc. announced on Jan. 17 that it has signed an agreement to acquire Australia’s Norman Disney & Young, an infrastructure engineering design firm that focuses on environmentally friendly buildings, for an undisclosed amount.

Norman Disney of Sydney employees more than 700 people across 13 offices in Australia, the United Kingdom, New Zealand, Hong Kong and Canada. The company provides engineering design services for commercial offices, education, health, industrial, residential, hotel, retail and transport facilities.

Tetra Tech acquired another Australian firm, Coffey International, in 2015 for about $78 million.

Technology reporter Garrett Reim can be reached at [email protected]. Follow him on Twitter @garrettreim for the latest in L.A. tech news.