Hi @kevweath -
It sounds like some certificates need to be added to your keystore? Tobias talks about that in a MySQL context in this thread:
I also did a little digging and found this link on the Snowflake forum, which may be of some use to your IT folks:
I will also tag @tobias.koetter here to see if he has any specific suggestions for you about connecting to Snowflake in this case.