Jefferson County, Colorado Sheriff’s Department

Criminalist Sr., DNA Analyst

Closing Date



$2,465.54 - $3,661.05 Biweekly
$64,104.07 - $95,187.30 Annually

The Community

The Jefferson County Sheriff's Office (JCSO) was founded in November 1859 and today serves 189,000 plus residents in the unincorporated areas of the county. The Sheriff's Office has grown and advanced along with its communities. Today, it is one of the most progressive law enforcement agencies in the nation. As the largest full-service sheriff's office in Colorado, the agency has more than 540 sworn deputies and more than 280 non-sworn employees who provide services to the community. The mission of the Jefferson County Sheriff's Office is to PROTECT – SERVE – ENFORCE. Our vision is for Jefferson County to be a safe place to Live, Learn, Work and Play.

The Organization

In 2013, the Jefferson County Sheriff's Office entered into an agreement with other Law Enforcement agencies within Jefferson County to establish the Jefferson County Regional Crime Laboratory (JCRCL). The JCRCL serves over 550,000 citizens in the county. The laboratory is housed in a 16,500 sq. ft. facility attached to the Sheriff's Office and provides services in the following forensic disciplines: Controlled Substances, Latent Print Processing and comparison, Firearms Examination, Forensic Biology Screening and DNA Analysis, Crime Scene Response, Digital Imaging, and Forensic Evidence Training. In 2008, the crime lab achieved full accreditation through the American Society of Crime Laboratory Directors Laboratory Accreditation Board (ASCLD/LAB). In 2013, the crime lab achieved ISO:17025 accreditation through ASCLD/LAB and has maintained this accreditation through the expansions of scope to include Forensic Biology and Firearms Examination. The JCRCL continues to provide the best services possible to law enforcement, the District Attorney's office, and the citizens of Jefferson County.

The Position

Under general supervision, the senior criminalist is expected to perform technical forensic work for the Jefferson County Regional Crime Laboratory (JCRCL). Work involves the analysis of biological material from submitted evidence items, generating written technical reports of all examinations and analyses performed, and giving expert testimony in court proceedings.

Essential Duties

This is an advanced position and requires knowledge of and experience in the examination and collection of biological evidence, current DNA typing technologies, interpretation and comparison of DNA profiles, and the application of statistical approaches (specifically likelihood ratios and probabilistic genotyping). This position requires adherence to current FBI Quality Assurance Standards, including but not limited to proficiency testing, technical review, instrument maintenance, reagent testing, validation of new procedures, and maintaining the necessary requirements for laboratory accreditation. In addition, this position requires communication with customers (investigators, attorneys, and other law enforcement personnel) related to any forensic biology request for examination and the interpretation of the results obtained. Involves generating written technical reports of all examinations performed. Involves court preparation, providing expert testimony and presentation in legal proceedings.


A Baccalaureate or an advanced degree in a natural science, criminalistics or a closely related field is required. An advanced degree is preferred. Must meet the education requirements of the Quality Assurance Standards for Forensic DNA Testing Laboratories Three to five years of forensic laboratory experience in human DNA analysis is required. Direct experience with Life Technologies equipment, organic extractions, robotic instrumentation, PrepfilerTM Automate Express extractions, real time PCR and modern STR-PCR techniques is preferred. Preference given for work experience in an accredited laboratory and/or candidates with assessment/audit experience.

To Apply

Applicants must fully complete all components of the application, including supplemental questions. Please attach a professional resume and copies of any applicable certification to the application. The hiring process will remain open until filled. Questions about the application process should be directed to the Jefferson County Sheriff's Office Recruiting Unit at


An Equal Opportunity Employer