This guide describes how to apply for jobs using the Career Page web site. The process consists of the following steps:A sample letter offering a job contingent upon the results of a background check or other criteria. Fill out an application online. Upload your resume to automatically fill in some information. Upload your resume to automatically fill in some information. Include a job description. Search and apply for federal jobs. Learn about unique hiring paths for veterans, students and graduates, individuals with a disability, and more. Job Opportunities ; Optical DSP Application Engineer, Oct.