Firearms Examiner

Maricopa County • Phoenix, AZ • 1d ago

This job was posted by https://www.azjobconnection.gov : For more information, please see: https://www.azjobconnection.gov/jobs/7129362

About the Position

The Firearms Examiner collects, preserves, examines, and interprets physical evidence associated with specific criminal acts related to firearms and tool mark identification. The examiner prepares complex documentation and written reports and presents finding in criminal court. This position performs highly sensitive tasks that require compliance with law enforcement rules and regulations relating to forensic examinations and evidence gathering.

**Essential Job Tasks

(**This is not an all-inclusive list of all job duties that may be required; employees will be required to perform other related duties as assigned.)

Examines evidence using forensic techniques; prioritizes procedures

and preserves appropriate samples for any subsequent forensic analysis.

Maintains knowledge of the historical development of firearms and

tool mark identification, to perform various @types of evidentiary examination procedures (e.g. appropriate sample sizes, standards, control mechanisms, testing conditions).

Examines firearms, ammunition and components, and related evidence.

Test fires firearms for mechanical function, safety, accuracy etc.

Designs and conducts research related to cases.

Enters and searches data in NIBIN.

Writes scientific examination reports, prepares courtroom testimony

and demonstratives, testify in court, and discuss laboratory results with law enforcement and attorneys.

Communicates in multiple formats with supervisors, MCSO staff,

county employees, attorneys, and other experts in the field to exchange information regarding analyses of evidence.

Consults and coordinates with forensic scientists, law enforcement,

attorneys, forensic experts, and others regarding analysis, comparison, and identification of physical evidence.

Inspects and evaluates equipment and standard operating procedures

to determine compliance with standards, regulations, specifications, and guidelines.

Works routinely with chemicals using personal protective equipment

when appropriate and ensure safety protocols.

Prepares mathematical and statistical computations, graphs, charts,

and diagrams to complete and report scientific examinations.

Determines characteristic ammunition and components used in shooting

events and analyzing correlation to any firearm in question.

Maintains firearm and toolmark training.

Completes technical and/or chemical tests on firearms related

evidence.

Follows the proper chain of custody protocol.

Maintains firearms related equipment and supplies, including

calibrations and ordering of inventory.

Conducts scheduled tours of the Firearms Laboratory to the public.

Possess the knowledge and ability to perform casework which if

handled incorrectly could result in liability (loss of life, wrongful conviction, mistrial, inaccurate capital case factors, etc.)

Working Conditions

Maricopa County is an EEO/ADA Reasonable Accommodation Employer.

The following environments described are only representative of how the essential job tasks are currently performed or envisioned. As such, to accommodate a disability or limitation, the essential job tasks may be performed in ways other than described on these pages.

Work is typically performed in the laboratory and occasionally outdoors at a crime scene in various weather conditions and for extended periods of time. Duties may require working after normal working hours, on call status, and working in hazardous conditions.

Work Environment

Indoors and outdoors

In temperatures above 90 degrees, rarely below 40 degrees

Dim and/or bright light

Exposure to biohazardous materials

Chemicals/fumes including those present during gunfire

High decibel levels

Conditions may include smoke/dust, wet/damp areas, stairs/ladders

Physical Environment

Sitting, standing, walking

Driving a vehicle

Speaking, hearing, seeing, reading

Distinguishing color

Bending/kneeling

Reaching, twisting, climbing

Crawling, crouching,

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