Recently all the core team members have left the company and only the remaining senior engineer and offshore employee ( me and another engineer) is left and the core engineer will also be going away soon.
Manager is asking us (offshore team) to figure the stuff out ourselves as the core engineer will soon leave too.
In this case how can I take the opportunity to up my game and take more ownership of the system. Any advice about the whole situation?
Then 'the system' is not your problem.
first thing, you ask for a core engineer salary. After they say yes you figure out