Employment Opportunity

Forensic Scientist I-III (DNA Analysis)

Texas Department of Public Safety, Austin, Texas

Salary: $3,615.69 - $4,933.11 Monthly

Final Filing Date: May 22, 2017

Performs a variety of complex, independent laboratory tests, analysis, classifications, comparisons and identifications of all types of physical evidence from crime scenes with emphasis and specific recognized expertise in an optional or specialty area identified above. Interprets analytical results, establishes and maintains records pertaining to casework and court testimony, and composes technical reports. Testifies as an expert witness in court. May assist in training personnel. May be required to assume the duties of the Headquarters or Regional Laboratory Manager in his or her absence. Work is performed under general direction.

Duties and Requirements Click to read more


  • Receives and returns evidence items and completes proper forms according to strict transfer procedures to guarantee and maintain the integrity of accepted chain of evidence for each item.
  • Contacts various law enforcement officials, crime victims, and others to obtain and/or provide information related to offense to which provided evidence items are relevant.
  • Prepares preliminary and final reports concerning results of each analysis performed.
  • May assist in crime scene investigations, as assigned.
  • Reads required training materials and demonstrates understanding of procedures through analysis of proficiency test samples provided.
  • Learns the examination of stains to determine the presence of blood and other human body tissues and secretions, procedures used to extract DNA from these tissues, and to conduct DNA typing tests to compare criminal evidence with samples of known origin.
  • Learns to evaluate, interpret, and document the DNA tests, and to review the work of other DNA analysts.
  • Serves as an expert witness in court, giving testimony regarding the results of analyses and examinations of physical evidence.
  • Assists in training technical personnel in laboratory procedures, as assigned.
  • Researches forensic science field and studies current material in scientific journals regarding new advances and techniques in forensic examinations.
  • Lectures to or instructs law enforcement groups, schools, and others at the discretion of, or, in absence of supervisor.
  • Initiates and/or conducts experiments or research with new procedures and techniques as assigned.
  • Represents the Department at conferences and meetings.
  • Maintains professional contact with nationwide forensic examiners.
  • Maintains section administrative paperwork and/or coordinates laboratory examinations and court appearances in the absence of the supervisor, as requested.
  • Performs more exacting and intricate examinations in most difficult cases and assists and teaches other examiners in the more difficult examinations.
  • Performs other duties as assigned.


Forensic Scientist I
  • Graduation from an accredited four-year college or university with a major in biology, chemistry or forensic science AND a minimum of one (1) 3-semester-hour course each in genetics, upper division molecular biology (molecular genetics), and biochemistry.
Forensic Scientist II
  • Graduation from an accredited four-year college or university with a major in biology, chemistry, or forensic science AND a minimum of one (1) 3-semester-hour course each in genetics, upper division molecular biology (molecular genetics) and biochemistry PLUS a minimum of one (1) year of work experience as a Forensic Scientist I or the equivalent experience in another recognized crime laboratory.
Forensic Scientist III
  • Graduation from an accredited four-year college or university with a major in biology, chemistry or a forensic science AND a minimum of one (1) 3-semester-hour course each in genetics, upper division molecular biology (molecular genetics), and biochemistry PLUS a minimum of three (3) years of work experience as a Forensic Scientist II or the equivalent work experience in the same forensic discipline.
  • Skill in the use of laboratory equipment and materials.
  • Ability to learn principles, techniques, and procedures related to these disciplines.
  • Ability to conduct microscopic examinations requiring accuracy and concentration.
  • Ability to acquire a working knowledge of Departmental rules, regulations, policies and procedures.
  • Ability to communicate findings, orally and in writing, in a clear, concise and effective manner.
  • Ability to conduct complex analysis and prepare detailed technical reports.
  • Considerable knowledge of the procedures for the extraction of DNA from tissue samples, of the electrophoretic methods of characterizing DNA, and of the protocols for reporting technical results.
  • Knowledge of criminal court proceedings and rules of evidence.
  • Knowledge of the proper safety procedures for the handling of the numerous hazardous caustic, flammable, and/or carcinogenic chemicals.
  • Knowledge of proper disinfection procedures to be used when in contact with deceased or living specimens which are potential carriers of biological pathogens.
  • Ability to present scientific data and the results of analysis to a lay jury in an understandable manner.
  • Ability to detect and collect pertinent evidence at crime scenes.
  • Ability to prepare detailed technical reports.
  • Skill in expert witness testimony in courts of law.
  • Ability to remain calm under pressure of court testimony.
  • Ability to work effectively with crime laboratory, legal, and law enforcement personnel.
  • Ability to conduct tedious macroscopic and microscopic examinations requiring integrity, accuracy and concentration.
  • Ability to tolerate pressure of deadlines.
  • Ability to report the results of laboratory tests clearly and concisely, orally and in writing.
  • Ability to coordinate work in absence of supervisor.
  • Ability to make recommendations to management concerning improvements in methodology and equipment.
  • Visual acuity sufficient to perceive minute differences and details and to withstand the strain of continued close work.
  • Frequent and often unanticipated travel is required.

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How to apply: Apply online

Posted: May 9, 2017

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