If he's still open to technology, I would recommend picking up Salesforce. As a Salesforce admin with experience working in sales, he could be a valuable asset

If he's still open to technology, I would recommend picking up Salesforce. As a Salesforce admin with experience working in sales, he could be a valuable asset to a company. The admin certification is not as difficult to pick up and many people within the industry see the industry experience to be a big asset.