Can a employer select a currently sponsored employee for a post which has not been advertised for 28 days , if the SOC code / responsibilities will not change?

The difference between two posts is purchasing office and senior purchasing officer.

Thanks to everyone in advance.

I am currently employed as procurement officer and a position within procurement has become available which will result in change of job title but the SOC code will remain same which means I donot have to make a fresh application for sponsorship. ( if this is incorrect- please advise). However, my ...