Contract Criminalist - Firearms Examiner

City of Aurora, CO
Full time Full day
Aurora, CO

Summary of Job Duties

  • This posting is continuous posting and will remain open until filled, however is subject to close at any time without prior notice. If you have applied for this position in the past 6 months, please do not reapply as your application may not be reviewed. Thank you.*

The City of Aurora's Police Department is looking for and experienced Firearms Examiner to perform analysis of forensic evidence through a variety of methods related to firearms and toolmarks as needed to support the criminal investigation functions of the Police Department.


  • Examines & compares for identification, forensic evidence related to firearms and toolmarks by employing physical, microscopic, chemical, photographic & instrumental techniques

  • Analysis include mechanical function checks of firearms, fired bullet & cartridge case identifications, gunshot/bullet residue examinations, muzzle-to-target distance determinations, projectile velocity analysis, tool & toolmark identifications, physical match comparisons, serial number restoration and other specialized identification problems

  • May also assist in the processing/analysis of crime scenes as required

  • Prepares reports on analysis and crime scene investigations

  • May assist and advise investigators and prosecuting attorneys regarding cases, results, and expected testimony

  • Performs additional duties as assigned



  • Bachelor's Degree from an accredited college or university in criminalistics, chemistry, biology, physics or directly related field


  • 1 year of specialized training in firearms/toolmark examination

  • At least 2 years experience conducting firearms/toolmark examination,

  • At least 1 year experience in conducting independent firearm/toolmark examinations and testimony as an expert

An equivalent combination of education, training and experience that demonstrates required knowledge, skills and abilities may be considered.


  • Knowledge of appropriate scientific procedures and equipment used in firearm/toolmark examination

  • Investigative methods and techniques

  • Rules of evidence and court testimony


  • Ability to establish and maintain effective working relationships with employees and citizens

  • Handle stressful situations with tact and diplomacy

  • Communicate effectively both orally and in writing

  • Organize and prioritize work

  • Properly use and maintain scientific equipment

  • Prepare accurate reports

  • Testify effectively on scientific matters and work in any weather condition and under adverse physical circumstances


  • Skill in firearm/toolmark examination and crime scene investigation


  • Colorado Driver's License with a good driving record

  • This position may require the incumbent to occasionally use personal equipment (e.g. vehicle, cell phone, tools, etc.) in the course of their employment


Physical Demands:

  • Light to moderate physical work requiring ability to lift 50 pounds with or without assistance

  • Regular lifting and carrying of 10 to 20 pounds of equipment and/or evidence

  • Regular standing and walking to investigate crime scene

  • Hand/eye coordination to operate computer, laboratory instruments, and other testing instruments, and video equipment

  • Foot/eye coordination to operate motor vehicle; visual acuity correctable to 20/40 with no color impairment to interpret data

  • Speech communication, hearing, and listening to maintain communications with other employees and citizens

Equipment Used:

  • Computer, camera, laboratory instruments, and video equipment

Work Environment:

  • Works primarily in an office/laboratory environment with some work outdoors at crime scenes

  • Possible exposure to biohazard contamination, chemicals, odors, and noise

For Veterans points: Please show all of your employment history, including military service and related documentation (DD214) on the application.

The City of Aurora is an equal opportunity employer. We are required by state and federal agencies to keep certain statistical records on applicants. It will not be used in any way to discriminate against you because of your sex, race, age, sexual orientation, creed, national origin, disability or military status, gender identity, unless related to a bona fide occupational qualification as defined by the Colorado Civil Rights Commission and the Equal Opportunity Commission.

If you need assistance in completing this application, please feel free to contact our office at: 303-739-7225 or visit us at 15151 E Alameda Pkwy., Suite 3500, Aurora, CO 80012.

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