Employment Opportunity


Arapahoe County Sheriff's Office, Littleton, Colorado


Final Filing Date: Open until filled

Under limited direction from the Supervising Criminalist, this position performs a variety of professional crime laboratory/forensic analyses and crime scene duties including recognition, documentation and collection of physical evidence and reconstruction of events as required. Directs activities at crime scene regarding collection and analysis of evidence, and performs professional and administrative duties associated with the processing of evidence.

Duties and Requirements Click to read more


  • Responsible for the recognition, identification, documentation, and scientific collection of all physical evidence pertinent to the investigation of a criminal act.
  • Examines crime scenes to discover, preserve, collect, photograph, video, and identify physical evidence.
  • Performs latent print comparisons of recorded prints as well as evidentiary latent prints, identifies fingerprints, and utilizes Automated Fingerprint Identification Systems. (AFIS/AFIX/IAFIS).
  • Collects trace evidence.
  • Interprets the scientific data gathered and prepares meaningful reports in a manner to be presented to a judge and jury in a court of law.
  • Prepares sketches and diagrams to include dimensions of scene and to establish location of evidence and relationships of all relevant data.
  • Prepares detailed reports and documentation for investigative use and court proceedings.
  • Prepares, processes and maintains a variety of written reports and records pertaining to lab processes and activities.
  • Documents, handles, packages, and receipts evidence to maintain chain of custody in accordance with established forensic practices under state and federal laws.
  • Directs law enforcement personnel at crime scenes to ensure continuity and preservation of evidence.
  • Appears in court as an expert witness as required.
  • Instructs other agency members in Criminalistics, crime scene processing and training seminars, to include outside law enforcement agencies under mutual aid requests.
  • Makes presumptive field tests of suspected illegal drugs to determine type.
  • Performs various techniques to restore obliterated numbers on firearms and other metal objects.
  • Maintains agency photographic and processing equipment in clean and operating order.
  • May be assigned to train new employees and or act as a trainer to coworkers in specific specialty areas.
  • Operates computers and standard office equipment including commonly used computer software programs.
  • Maintains regular and acceptable attendance.
  • Is available and willing to work such overtime per day or per week as the Sheriff's Office determines is necessary or desirable to meet its needs.
  • Is available and willing to work such weekends and holidays as the Sheriff's Office determines are necessary or desirable to meet its needs.
  • Performs duties both in the office and in the field.
  • Interacts effectively with others.
  • Performs other duties as assigned.


  • Extensive knowledge of criminal acts, methods of operation and investigative procedures.
  • Extensive knowledge of modern forensic laboratory equipment and procedure
  • Extensive knowledge of criminal acts, methods of operation and investigative procedures.
  • Extensive knowledge of all areas of Criminalistics.
  • Considerable knowledge of criminal law, criminal court proceedings and rules of evidence.
  • Knowledge of NCIC Fingerprint classification systems.
  • Knowledge of law enforcement accreditation standards at the Sheriff's Office.
  • Knowledge of computers and commonly used computer software programs.
  • Working knowledge of digital image processing software (e.g., Photoshop).
  • Skill in the use of laboratory and photographic equipment and materials.
  • Ability to operate computers and commonly used computer software programs, as well as any other standard office equipment as required by position.
  • Ability to give acceptable expert testimony in courts of law.
  • Ability to establish and maintain effective working relationships with superiors, coworkers and other law enforcement/judicial personnel.
  • Ability to communicate effectively in verbal and written English, to include public speaking.
  • Ability to apply sound reasoning and decision-making.
  • Ability to interact in a professional manner with all staff.
  • Ability to get along well with others.


  • Bachelor's Degree in Forensic Science, Natural Sciences, Criminalistics or a closely related field.
  • Two (2) years experience performing crime scene and/or laboratory duties associated with the processing of evidence in a law enforcement agency.
  • OR
  • Any equivalent combination of education and experience that satisfy the requirements of the job as approved by the Sheriff.
  • EDUCATION: Master's Degree in Forensic Science, Natural Science, Criminalistics, or a closely related field.
  • EXPERIENCE: Three years experience performing crime scene and laboratory duties including latent print analysis and comparisons in a law enforcement agency, and IAI certifications in Crime Scene Investigations and Latent Print Examinations.
  • Must obtain CPR and First Aid certification within the initial probationary period.
  • Must possess a valid Colorado Driver's License.
  • Must be available for on-call work schedule assignments that require working nights, weekends and holidays.
  • Must successfully complete the initial probationary period and training.

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How to apply: Apply online

Posted: September 14, 2017

NOTE: The is not responsible for typographical errors or omissions in employment notices on this web site. Often, employers change final filing dates, change duties and/or requirements, or close employment openings without notice. If you are interested in a job posted on this site be sure to contact the employer to see if changes in the filing date or job announcement have been made. Employers can also provide more information about open positions that does not appear in the announcements on these pages.