Employment Opportunity

Forensic Scientist II (Crime Scene)

Department of Forensic Sciences, Washington, DC

Salary: $76,082.00 - $97,340.00 per year

Final Filing Date: March 20, 2017

This position is located in the Department of Forensic Sciences (DFS). The mission of the DFS is to provide high-quality, timely, accurate, and reliable forensic science services using best practices and best available technology, focusing on unbiased science and transparency, to enhance public safety and health.

Duties and Requirements Click to read more


  • The position is responsible for recognizing and recovering evidence in criminal investigations at the scene(s) of crime(s) by analyzing, photographing, collecting, preserving, and presenting physical evidence. Crime scenes include person crimes, such as homicides, sexual assaults, and robberies, as well as property crimes and traffic accidents, etc.
  • Investigates crime scenes in various locations in the city; assists with sealing the crime scene to protect and preserve important evidence.
  • Collects fingerprints/palm prints, tire and shoe prints, tool mark impressions, firearms, wound imprints of the deceased person(s) hair, clothing, fibers, and biological evidence to facilitate positive identification and/or elimination; and analyzes and records crime scenes showing correlation between evidence and the scene, and performs various chemical and photographic processes in the field or laboratory.
  • Photographs evidence at the crime scene that specifically correlates with collected data using film and digital cameras and other evidence deemed appropriate for the case. Ensures that all persons who enters/visits the crime scene do not tamper with any evidence to avoid “evidence tampering” which might become an issue in court proceedings. Processes evidence in the laboratory using special powders, chemical solutions, forensic light sources, and various cameras, lenses, and filters in order to develop and preserve evidence.
  • Attends autopsies to photograph injuries and fingerprint the deceased for identification purposes.
  • Assists with improving operations, decrease turnaround time, streamline work processes, and work cooperatively and jointly with other scientists/staff members or the public to provide seamless customer service; also researches to determine if new and/or revised methods for performing analyses are warranted or determines the effectiveness of current analytical methods. Follows evidence control procedures to maintain the proper chain-of-custody on evidence, collected evidence, proper packaging, storage and integrity and insures evidence is locked securely in a designate location before and after analysis.
  • Advises on the collection of evidence in each case, including those involving deaths, especially when homicide is suspected; evaluates risks concerning or identifying hazardous materials in the field and in the laboratory. Conducts a wide variety of complex and difficult analyses; decides what tests and procedures to use; and may conduct quantitative and qualitative analysis by using specific techniques, including but not limited to physical testing, visual analysis, identification and classification, comparisons, etc.
  • Utilizes computer software to analyze results of tests in order to perform calculations and keeps up-to-date on current studies, pamphlet, journals, and books for use in devising new and untraditional methods and tests/evaluations; develops charts, graphs, and tables as aids to conduct tests, evaluates laboratory test results in the area of concern; and prepares technical reports on findings and project results.
  • Testifies in court as an expert witness in connection with the evidence processed, developed and preserved. Prepares detailed reports and supplements; and accepts documents and bar codes evidence associated with each crime scene case. Trains and provides technical guidance to lower level staff and trains law enforcement personnel in crime scene related topics.
  • Performs other related duties as assigned.


  • Comprehensive knowledge of principles, theories, concepts and practices of analytical chemistry, physical science or biology or related field.
  • Comprehensive knowledge of mathematics and statistics as they relate to analytical laboratory work. Knowledge of safety practices and procedures that apply to field analysis, particularly in the forensic laboratories; and knowledge, skill and ability to maintain research methods and techniques, keeps informed of current literature and/precedence relevant to the forensic scientific fields.
  • Knowledge of and skill in collecting and processing crime scene evidence utilizing a variety of technical equipment, materials, methods and photographic processes; and ability to perform complex scientific analyses and adhere to quality assurance standards and processes with these methods. Research skills associated with the crime scene, scientific methods, techniques and testing are required.
  • Comprehensive knowledge of the rules of evidence and the methods used in presenting evidence in court; and policies and procedures for maintaining the chain-of-evidence integrity.
  • Ability to prepare technical forms, reports and other correspondence; and excellent oral and written communication skills. Maintains working relationships with associates, consultants, stakeholders, and the general public; and ability to work safely without presenting a threat to self or others.
  • Ability to testify effectively in court.
  • Skill and ability to use a personal computer to prepare, store, and retrieve data and knowledge of software affiliated with crime scene data.
Licensures, Certifications and other requirements
  • Subject to criminal background checks, background investigations, and mandatory drug and alcohol testing, as applicable.
  • Required to submit a buccal swab for the purposes of the DNA Quality Control database for the DFS.
  • A Bachelor of Science degree in a natural or forensic science from an accredited university; graduates of programs accredited by the Forensic Science Educational Program Accreditation Commission (FEPAC), www.aafs.org/fepac are preferred; and successful completion of the DFS Crime Scene Sciences competency testing and minimum five (5) years of equivalent experience at another forensic laboratory.
Work Experience
  • Successful completion of the DFS Crime Scene Sciences competency testing and minimum five (5) years of equivalent experience at another forensic laboratory.
Work Environment
  • This position’s duty station will be housed within the Consolidated Forensic Laboratory (CFL) which is a protection-sensitive facility.
  • Work is performed in the field at the crime scenes; in the laboratory during testing, analysis, and autopsies, as well as in an office setting when preparing documentation/reports, etc. Also work in a variety of weather conditions with exposure to the elements and travel/walk over rough, uneven, or rocky surfaces. The incumbent may be exposed to hazardous materials, toxic substances, and blood borne pathogens and is required to follow safe field and laboratory practices and wear protective clothing, including facial masks, safety glasses, gloves, etc. Additionally, may be exposed to various objectionable materials (e.g., pornography, etc.)
  • The nature of the DFS mission necessarily involves the potential risks associated with biological or chemical hazards, including morgue functions. Although contact with these functions is intended to be minimal, the risks are nevertheless possible; training to recognize, address, and mitigate these risks is required as is dealing with potentially personally difficult topics, such as crime, death, and disease.

Do you have the Education Required? See available on-line and campus-based degree programs now!

How to apply: Apply online

Posted: March 13, 2017

NOTE: The crime-scene-investigator.net 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.