I applied online. The process took 1 day. I interviewed at US Immigration and Customs Enforcement (Washington, DC) in Sept 2017
Interview
Panel Interview with mainly statisticians and business managers with standard 6 questions lasting about an hour; one of which had a phd. Basic greeting in the beginning then went through the standard questions.
Interview questions [1]
Question 1
Explain a high level overview of calculus used in machine learning algorithms.
Describe a time of joining multiple datasets together; was parallel computing leveraged?
2 Standard questions on basic project management skills / collecting appropriate business requirements for an analysis publication.