Job change after getting sinp in international skilled woker category

[bhaskar321]

Hello Friends,
I have one question I got my sinp I had applied in international skilled worker category and I am working as a manager on a gas station. My field of studies was computer science now I am getting a good job in my field so can I can change my job or I have to apply sinp again through new employer.
Thanks
I appreciate all of your replies.