How to apply to: federal application process, understanding federal job announcements, writing a federal resume, veterans employment. Explore the various career paths available at the premier provider of security and law enforcement services at U.S. federal government facilities DHS is Hiring The Department of Homeland Security has a vital mission to secure the Nation from the many threats we face. This requires the dedication of more than 260,000 employees in jobs that range from aviation and border security to emergency response, from cybersecurity analysis to chemical facility inspections. DHS has unique career opportunities to help secure our borders, airports, seaports, and waterways; research and develop the latest security technologies; respond to natural disasters or terrorists’ assaults; and analyze intelligence reports.