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 appears to stem from distinct coinages that blend "biotechnology" with "engineering" or "pioneering". The Cambridge, Massachusetts drug-screening company Bioneering Technologies identifies itself as focusing on "the integration of biotechnology, engineering, and pioneering services (hence, Bioneering)."