Careers in the Federal Protective Service (FPS) provide a safe and secure working environment for federal workers and visitors in federal facilities nationwide. Explore the various career paths available at the premier provider of security and law enforcement services at U.S. federal government facilities Work at DHS The Department of Homeland Security (DHS) has a vital mission to secure the nation from the many threats we face. This mission requires the dedication of more than 250,000 employees in jobs that range from aviation to border security, emergency response, and cybersecurity analyst to chemical facility inspector. How to apply to: federal application process, understanding federal job announcements, writing a federal resume, veterans employment.