Forensic Scientist - Firearms

Centre of Forensic Sciences , Toronto, ON, CA


  • To provide scientific direction, guidance and expertise to design, research, develop, modify and direct and carry out the application of analytical systems used for conducting forensic testing of all types of firearms, ammunition, propellants tools and their markings seized during criminal and other investigations.
  • To act as a technical resource and scientific authority within and for the ministry.
  • To provide testimony as an expert witness in all levels of courts of law, coroners' inquests and other official tribunals such as Provincial inquiries, public commissions, medical boards of inquiry and other official hearings.


  • Providing objective, independent scientific expertise by participating as a scientific advisor in assigned cases during the investigative stage of police and other official investigations; assisting in directing the course of the investigation by providing expert opinion or investigative test results which may alter or re-focus the direction of an investigation; attending at scenes of crime and autopsies in order to provide expert opinion; reviewing the work or testimony of other experts and advising as to its validity and relevance.
  • Examining and analyzing evidential material submitted during the course of police, fire marshal, coroner and other investigations in support of the criminal justice system; determining the priority of items to be analyzed and the type of analysis required; drawing conclusions form scientific analysis and documenting process and results.
  • Conducting basic chemical analyses for gunpowder or other residues on clothing or skin to determine such factors as proximity of muzzle, etc.
  • Comparing and matching items with previously known material in order to assist with the examination and to make possible linkages with specific firearms/tools or to cross-reference with other evidence.
  • Test firing firearms in order to obtain comparison material to duplicate characteristics found at the crime scene, to test for muzzle proximity, or to measure muzzle velocity with a chronograph etc.
  • Providing information and training on the application of forensic science to clients including police officers, crown attorneys, defence lawyers, coroners, pathologists, fire investigation officials, and others in the proper collection and preservation of evidential materials and in understanding the parameters of scientific test results.
  • Acting as an expert, by speaking or testifying at internal and public meetings; providing testimony as an expert witness in all levels of court and in other public forums.
  • Conducting, planning and coordinating research and development of analytical systems in a forensic science laboratory from original concept through final delivery. Designing and implementing new technologies and reviewing new or innovative methods in conducting forensic examinations and analyses in support of investigations, e.g. new laboratory instrumentation, new methods of testing, new applications of known procedures from other scientific fields and the application of new scientific knowledge based on own or others' research.
  • Preparing reports for publication and providing peer review for submissions to international journals, presenting findings at national/international conferences, and discussing scientific findings in the area of forensic science and their impact on the justice system.
  • Participating in the laboratory accreditation process by ensuring that requirements are met for the maintenance of the laboratory accreditation standards by providing peer review of cases of other scientists, by demonstrating, through an annual external testing process, personal excellence in carrying out scientific analysis, research and interpretation and by participating in the development of laboratory procedural, safety and training manuals.
  • Providing project management and group leadership in assigned cases by acting as scientific resource to other scientists and technologists, assigning and monitoring case work, setting priorities, ensuring project deadlines are met, providing liaison with clients in the criminal justice system, and by ensuring compliance with the Occupational Health and Safety requirements that apply to the work; providing input to the performance appraisal of technologists.


An honours BSc. degree or its equivalent in one of the physical, life or forensic sciences.


Salary: $1,522.31 - $1,963.41 Per Week* (G22 Salary Note) *Indicates the salary listed as per the OPSEU Collective Agreement.

How to apply

You must apply online. Your cover letter and resume combined should not exceed five (5) pages. For tips and tools on how to write a concise cover letter and resume, review the Writing a Cover Letter and Resume: Tips, Tools and Resources. Customize your cover letter and resume to the qualifications listed on the job ad. Using concrete examples, you must show how you demonstrated the requirements for this job. We rely on the information you provide to us. Read the job description to make sure you understand this job. OPS employees are required to quote their WIN EMPLOYEE ID number when applying. If you require a disability related accommodation in order to participate in the recruitment process, please Contact Us to provide your contact information. Recruitment services team will contact you within 48 hours.