It really depends if you want to take on that responsibility of managing that aspect of their business. It would also mean that if that person fails or needs to be replaced it is also your problem.
Ohhh … tks @TLS_Tom, was not expecting receiving an answer directly from you on my first post on the forum.
That will come into discussion with the client once we define if it’ll be a full MSP or a Hybrid approach, the latter being the one they asked for since they want to keep some of their existing IT staff. Probably will push towards them keeping their existent DBA and we won’t cover support for the poorly developed software they have.