You can add multiple asset custom fields to any screen you want for JIRA and JIRA Service Desk. And you can filter its content by form(s).

It is possible to create a custom field for IT by filtering IT forms and also it is possible to create another asset custom field for Human Resources by selecting forms for HR. 

JIRA

 

 

JIRA Service Desk

Asset custom field is searchable auto-complete and a multi-select field type.