Security Officer

Individuals in these positions are responsible for performing entry level work of moderate difficulty providing security, safety and protection for person and property. Work is performed under direct supervision of a high ranking officer. Work involves physical exertion including walking and standing, detaining individuals, preparing reports and extensive public contact. Work is reviewed through reports, meeting and observation of duties performed for compliance with established rules and regulatory guidelines.

Examples of Duties

  • Patrols assigned facility, on foot, to guard and protect persons and property against vandalism, arson, prowlers and other conditions that could lead to loss of life or property.
  • Inspects buildings for open doors or windows, damage, safety hazards, and faulty mechanical problems.
  • Responds to emergency radio calls including accidents, bomb threats, fires and hostage situations.
  • Investigates suspected crimes on the premises including larcenies and stolen articles.
  • Assists the general public, visitors and employees by answering questions, locating offices and escorting to specific locations.
  • Reports all pertinent data of action taken during a shift by maintaining a written log and orally giving information to shift supervisor.
  • Restrains and detains persons who damage property and molest or harass persons for arrest by police authority.
  • Operates two way communication system to monitor and provide assistance for routine activities and as contact for the medical examiner and investigators.
  • Performs related work as required.
  • Minimum Qualifications
  • Must be at least 21 years of age, possess a high school diploma or equivalent and one year experience in security, law enforcement or investigative work; or any equivalent combination of training and experience
Ability to be licensed as a Security Officer by the St. Louis County Police Department. Possession of a valid Driver's License and have five or less points assessed against driving record at the time of application.
No residency requirement. Must be a citizen of the United States or must possess a valid work permit and must submit an application for United States citizenship when eligible.
Weight must be in proportion to height according to Department standards (see Weight Standards/Approved Chart for Commissioned and Security Officer Employees). Applicants who do not meet these standards will be given the opportunity to participate in a physical condition assessment. The assessment is conducted at the St. Louis County and Municipal Police Academy and will include sit-ups, push-ups, and a 1.5 mile run. Applicants are expected to meet the minimum requirements in each category.
No minimum uncorrected requirements; eyesight must be correctable to 20/20.
Must be free from conviction of a Felony. A Class "A" Misdemeanor conviction will be cause for immediate dismissal from the process, unless otherwise directed by the Chief of Police.
Must possess a valid State Driver's License by date of employment and have five (5) or less points charged against his/her driving record at time of application.

Must have an "Honorable" discharge, or a discharge "Under Honorable Conditions" if having served in the military.







  • Knowledge of the methods and practices used in a modern security program.
  • Some knowledge of applicable laws and ordinances.
  • Ability to remain alert at all times and to detect suspicious or unusual occurrences.
  • Ability to use good judgment, discretion, and tact and react quickly to situations.
  • Ability to understand and effectively carry out oral and written instructions.
  • Ability to enforce rules and regulations firmly, tactfully, and impartially.
  • Ability to communicate effectively both orally and in writing.
  • Additional Information


Under the regulations of the Police Department, all appointments to the St. Louis County Police Department are made on the basis of a continuously open, competitive hiring process conducted under the supervision of the Personnel Services Unit. Each applicant must successfully complete each stage of the selection process before becoming eligible to proceed to the next step. The selection steps, in their order, take up to six months to complete:
A review and detailed evaluation of Personal History Questionnaire and supporting documents to determine if applicant meets the minimum requirements for the position.
The Board shall attempt to seek out individuals whose motivation and suitability for the position best meets the needs of the Department.
A thorough background investigation will be conducted on all security officer applicants in the areas of past employment record and reputation, personal references, neighborhood reputation, police record check, credit history and military record (when applicable). The background investigation is concluded with a polygraph examination in an attempt to verify information received from and about the applicant. Results of the polygraph examination are confidential and will be considered with the applicant's total file.


A further evaluation to determine the candidate's overall fitness for the position, including appearance, self-expression, mental alertness and suitability for security officer duties.
The Commanding Officer, Division of Special Operations will determine the members of the Final Review Board. The board is to examine each applicant during an oral interview. On recommendation of the Final Review Board, both the Commanding Officer, Division of Special Operations, and the Executive Director, Division of Operational Support, will recommend to the Chief of Police that the applicant be offered a conditional offer of employment as a security officer, pending the results of a physical examination and a psychological evaluation.
In the event an applicant is eliminated during any phase of the process, reapplication may not be made for six months unless circumstances indicate that an earlier review may be warranted.
Each applicant will be required to meet the medical standards as approved by the Department and agreed to by the contract physician. If the contract physician does not recommend the applicant due to not being able to perform the essential job functions of the position sought, the Chief of Police may rescind the conditional offer of employment. These examinations will be given after a conditional offer of employment by a Department designated physician and psychologist and shall consist of various organic tests to determine the applicant's suitability for the rigors of security officer work. The psychological exam will be used to determine the applicant's suitability for security officer work. If a Department designated physician or psychologist finds that the applicant meets physical and psychological standards for employment, the applicant will be appointed.
There is a probationary period of 12 months for new employees. During this period, probationary security officers must demonstrate their ability and willingness to perform security duties.