Three rounds of interviews (Hiring Manager, and members of the team) plus screening call with the recruiter. Included a aptitude test that you're given 48 hours to complete. Interviews were both technical and situational.
Interview questions [1]
Question 1
Their test asked to design a actuator system including calculations, design considerations, CAD model, and recommendations for the system
I applied online. The process took 6 weeks. I interviewed at Rocket Lab (Albuquerque, NM)
Interview
Phone screening with HR (15 minutes), phone interview with hiring manager (30 minutes), 2nd phone interview with hiring manager and team engineer (1 hour), final in-person interview and presentation to engineering team (3 hours).