Contact Us Employment Main Number: (713) 274-5445. This guide describes how to apply for jobs using the Career Page web site.The process consists of the following steps: Explore our detailed guide on employment background checks, covering how to run checks, what they show, and how long they take. Application Process: 1 Pre-Screening 2 Pre-Employment 3 Job Testing 4 Background Investigation 5 Review Process 6 Medical Examinations 7 Job Offer All employment applicants and volunteers are required to sign a Criminal History Background Check Authorization. Application Process - Starting Out. How do I apply for a job? Please read the following before completing application. The application form for job application.