This usage of the term appears to come from independent coinages based on a portmanteau of "biotechnology" and "engineering" and/or "pioneering". The Cambridge, Massachusetts drug-screening company Bioneering Technologies describes itself as being focused on "the fusion between biotechnology, engineering, and pioneering services (hence, Bioneering)."
The term's usage originates from separate coinages that incorporate "biotechnology" with "engineering" or "pioneering". The Cambridge, Massachusetts drug-screening company Bioneering Technologies characterizes itself as being centered on "the fusion of biotechnology, engineering, and pioneering services (thus, Bioneering)."