This reflective essay demonstrates the capability to reflect on being an effective engineer while negotiating agreements amid mining and oil gas companies and traditional owners for the success of engineering projects. The essay focuses on investigating the history of the treatment of Aboriginal Australians and how it may impact the ethical practice of engineering. The author uses the DIEP framework (Describe, Interpret, Evaluate, and Plan) to reflect on their insights and learning from the research. The essay also discusses the importance of cross-cultural communication and engagement with Indigenous Australians in engineering projects.