Applied to a different position on their website, was forwarded a description of the Data and Operations Analyst role to see if I was interested. Subsequent steps involved viewing some media on Bridgewater's culture and taking some personality tests. Was invited up for an onsite interview for a full day, involving q&a sessions with the employees and group and solo interviews. I get the sense that they're really looking for people who understand the culture so make sure you read the "Principles" handbook on their website.