Seyed Ali Shobayri, Seyed Ali Shobayri is of mixed Iranian and Scottish descent who found the path of the Ahlul Bayt (a) by his own research. He holds a BA in Islamic Studies from Middlesex University through the... Answered 10 months ago

Bismillah, 

Asalamu Alaykom, 

Earning a halal income is an act of worship and is pleasing to Allah swt. Yes, it is true that some jobs may also fit into different catergories too. For example a job which involves charity related work such as helping the needy people or orphans could fall under the category of mustahab jobs. You may then get jobs which fall under the category of makruh such as selling Kafans or working in a slaughterhouse. Such jobs although not haram, become makruh as a kafan seller may wish more people to die for sales to go up, and the one who slaughters animals for meat, may become used to such an action and cold hearted. 
 

What one should be careful of is falling into a job which is in the haram category making ones income unlawful. 
 

May Allah grant you success