An employer has to want to hire you for a job that qualifies for a visa. As part of the interview I need to share a job offer letter.My employer wants to write it but needs to know what all should go inside the letter. Click on the job title, and then Apply, to complete the application. You can use Remove if you want to delete an application without completing it. Upload employment documents in the ISSM Portal. Jobs, careers, and internship opportunities, and employment benefits information ; Benefits. Benefit information for current, prospective, and retired employees. In most cases, you must have a specific job offer to even be able to apply for a work visa in the United States. The process consists of the following steps: Create an Account.