Why Tetra Tech International Development? As a leading global development consulting firm, our purpose is to contribute to a world where people, communities and the planet thrive. Tetra Tech International Development works with governments, businesses and NGOs to solve complex development challenges. Our dedicated team helps partners including DFAT, USAID and the Asian Development Bank to deliver effective and sustainable projects in more than 80 countries around the world. 2-year contract Located at the Australian Embassy, Phnom Penh, Cambodia Provide advanced technical advice to DFAT and its local partners