This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps:Browse City Jobs Application Information. Before you apply, before you begin your application, gather the following documents. Customize your letter: Use language from the job posting and reference the specific employer and their industry, showing you've done your research. Description of Position Requirements (e.g. I attest with my signature below that I have given to Cristo Rey San José Jesuit High School true and complete information on this application. An employment verification letter can help prove income for a green card. Find a sample employment verification letter for immigration here. Your employer should provide you with a letter that clearly outlines your job duties and expected career path.