Criminal Investigator

Criminal Investigator Employment Type:

0 -

Full-time Regular Pay Range:

$89,125.00 - 133,688.00

Location:

Castle Rock, CO Overtime Exempt:

N Elected Office /

Department:

DISTRICT ATTORNEY

Performs a variety of semi-complex to complex investigations of conventional crimes, as well as crimes filed and prosecuted through any of the Office's specialized units in support of the statutory requirements of the Office of the District Attorney. Assists in all investigative aspects of the prosecution of cases, from pre-filing through final case disposition. Generally, the hiring range is $89,125-$111,407 annually. Qualifications, education and experience as it relates to the position will be taken into consideration when determining hiring salary. Your future is important to us. Douglas County offers a comprehensive benefits package — including medical, dental, vision, and retirement plans — plus a wide range of additional resources to support your health, growth, and overall well-being. View the full Employee Benefits Guide View the full job description here

EXAMPLES OF DUTIES

: (The following examples of essential duties are intended to be illustrative only and are not intended to be all-inclusive). Conducts pre and post case filing investigations of semi-complicated conventional crime activities, as well as complicated and often sensitive investigations; analyzes initial data to determine probable criminal law violations, case validity, and course of investigation; prepares preliminary witness/suspect lists, gathers evidence and documents through reports and supporting evidentiary lists those findings of fact to be included in the case file. Performs surveillance activities as necessary, researches a wide variety of records and related documents; compiles, indexes, records and analyzes relevant data to develop case file as necessary for court filing; employs various evidence gathering techniques, including but not limited to witness interviews, suspect interrogation, wiretaps, crime scene searches, polygraph analysis and crime lab analysis. Meets periodically with attorney(s) to discuss case preparation and advise in areas (such as plea bargaining) on cases that are highly visible and sensitive. Coordinates investigations with other jurisdictional police agencies as necessary; may act as case coordinator to cooperating agencies' investigatory personnel; provides advice, expertise, or other assistance to these agencies within the 23rd Judicial District. Composes and prepares a variety of moderately complex to complex reports and warrant affidavits as required by law and established precedent; appears in court as required to testify as prosecution witness; serves as a special investigator for Grand Jury proceedings. Ability to readily and independently prepare search warrant - and court order - affidavits, and to plan and execute search warrants, arrest warrants, orders for non-testimonial evidence seizure, and court-ordered production of records. Performs all of the associated duties, including but not limited to: office and witness security, meetings with attorneys, public relations, handling citizens' complaints/inquiries, process serving, and transportation of case principals to court, may perform specialized functions in support of fellow workers' professional standards requirements, e.g., weapons training and arrest procedures. Attends various professional meetings and seminars to exchange information and/or to discuss current or innovative techniques related to the field of criminal investigation; provides technical assistance/training to agencies within the 23rd Judicial District; may aid with the preparation of annual unit budget requests.

NOTE:

Every incumbent in this position is expected to be fully competent in all of these duties, and independently capable of immediately performing all of these complex investigative functions under adverse conditions and without significant supervision.

MINIMUM QUALIFICATIONS

EDUCATION :

Bachelor degree in Criminal Justice or a closely related field and Colorado POST certification as a Peace Officer.

EXPERIENCE

: Four (4) years of previous police experience, two (2) of which must be at the level of Criminal Investigator (e.g. Police Detective) or any equivalent combination of education and experience. Experience in Special Victims Crimes, cellular device analysis, or other specialized investigative techniques is preferred.

CERTIFICATIONS, LICENSES, & REGISTRATIONS

: Must possess a valid Colorado Driver's License upon hire, with complying insurance. Review of motor vehicle record is required at time of hire and periodically throughout employment. Possession of or the ability to obtain Colorado POST certification as a Peace Officer, and minimally qualified as a marksman to established unit standards. Physical ability to complete and maintain required arrest control and firearms-retention training. This position requires successful completion of a criminal background check including fingerprinting through a national database.

ADDITIONAL INFORMATION

Closing Date:

5/21/2026 4:59PM MST. Review of applications will begin immediately and continue until a suitable candidate is selected. The job details outlined in this posting may represent a modified summary of the full job description. For a full copy of the job description

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to view our job classifications. In the event of an emergency/disaster in or near the County, all County employees are expected to make every effort to be available to assist the County Manager, Elected/Appointed Officials and Department Directors to ensure the continued operation of any and all necessary County functions. This may mean being available to perform additional duties and hours beyond what is normally required. In the event that an exempt employee does work more than 40 hours a week in support of County operations during an emergency, such employee may receive overtime or other appropriate wage compensation in accordance with existing County policies or at the discretion of the County. Apply Now Share Save Job