A closing agent is a real estate professional who helps the buyer, seller, and lender to complete a property sale. Your primary job duties in this career include drawing up the appropriate paperwork, delivering documents to all the interested parties, ensuring that they sign the documents, and filing them properly. This is a research-heavy job, as it is your responsibility to ensure that there are no legal, tax, or regulatory issues connected to the title or sale. You complete most of your duties in an office setting.