Knowledge Base

What are the requirements for becoming a Thornton firefighter?

Persons interested in becoming a City of Thornton firefighter must submit an online job application during the posting period to be considered.

  • To be notified when a position becomes available, visit:, click on VIEW OPEN POSITIONS, select MENU and then SUBSCRIBE TO ALERTS. When the job is posted externally within the next 12-month period, a notification email will be sent and you will then be able to apply online. 
  • Requirements for the position of firefighter include:  High School diploma or GED; EMT Basic or higher medical provider certification, EMT-P is preferred; successful completion of the requirements for Colorado State Firefighter I or higher certification within one year of entry-on-duty; a valid Colorado drivers license with a safe driving record.
  • The City of Thornton participates in the Colorado FIREfighter Testing Consortium to conduct the written examinations for entry level firefighter positions.  An application and fee may be required.  Testing is conducted twice per year.  Those who successfully pass the written test are placed in a centralized pool of candidates for one year from the test date. 
  • City of Thornton conducts additional testing such as the Candidate Physical Ability Test (CPAT), oral board examinations, and other selection and background processes for potential new fire recruits.  

To learn more about our recruitment process, speak with our Human Resources Office at 303-538-7245.

Updated 2/12/2018 12:28 PM
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