Official website of the Department of Homeland Security
Mission Critical Occupations
Mission Critical Occupations (MCOs) are considered core to DHS and these occupations most directly affect mission success. Priority MCOs are identified as having the greatest impact on the Department’s goals and objectives.
| Occupational Series | Component | Job Title | Responsibilities |
|---|---|---|---|
| 0083 | USSS | Police (Uniformed Division) | Protect facilities and venues secured for U.S. Secret Service protectees. Mandated by law to provide physical security for the White House Complex and the Vice President’s residence at the Naval Observatory. It also provides security for the Treasury Department building and foreign diplomatic missions in Washington, D.C. |
| 0089 | FEMA | Emergency Management Specialist | Involves preparing for and carrying out all emergency functions (excluding primary military forces functions) to mitigate, prepare for, respond to, and recover from emergencies and disasters; and to aid victims suffering from injury or damage resulting from disaster caused by natural and man-made hazards. |
| 1801 | CBP | Marine Interdiction Agent | Perform marine law enforcement operations involving the detection, prevention, interdiction and apprehension of terrorist, terrorist weapons and other contraband and persons from illegally entering or attacking the United States. |
| 1801 | FLETC | Law Enforcement Instructor | Requires extensive Law Enforcement experience. Instructors teach a variety of courses and specialty areas such as: behavioral sciences, computer and financial investigations, counter terrorism, driver training, enforcement operations, firearms, forensics and investigative technologies, legal, marine training, and physical techniques. |
| 1801 | ICE | Deportation Officer | Uphold U.S. immigration law at, within, and beyond our borders against those who present a danger to our national security, are a threat to public safety, or who otherwise undermine the integrity of our immigration system. |
| 1801 | TSA | Federal Air Marshal | Detects, deters and defeats hostile acts against aviation. Federal Air Marshals are armed federal law enforcement officers deployed on passenger flights worldwide to protect airline passengers and crew against the risk of criminal and terrorist violence. |
| 1802 | TSA | Transportation Security Officer | Conduct security screening of passengers, baggage and cargo at airports to prevent any deadly or dangerous objects from being transported onto an aircraft. |
| 1811 | ICE | Criminal Investigator | Protect the United States against terrorist and other criminal organizations that threaten our safety and national security. Also targets transnational criminal enterprises that seek to exploit America's legitimate trade, travel, and financial systems. |
| 1811 | USSS | Criminal Investigator | Special agents investigate violations of laws relating to financial crimes such as credit card and access device fraud, as well as computer-based attacks on the nation’s banking and telecommunications. In the field of protection Secret Service special agents develop and implement innovative strategies to mitigate threats to our nation’s leaders. |
| 1881/2181 | CBP | Air Interdiction Agent | Perform air law enforcement operations involving the detection, prevention, interdiction, and apprehension of terrorist, terrorist weapons and other contraband and persons from illegally entering or attacking the United States. |
| 1895 | CBP | Customs and Border Protection Officer | Responsible for border security, including anti-terrorism, immigration, anti-smuggling, trade compliance, and agriculture protection at U.S. ports of entry. |
| 1896 | CBP | Border Patrol Agent | Prevent terrorists and terrorists’ weapons from entering the United States by securing our land borders and coastal waters between ports of entry. |
| Multi-Series | All Components | Cybersecurity | The Cyber workforce encompasses the skills required to:
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