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Washington University of St. Louis Research Technician II - Developmental Biology - 49071 in St. Louis, Missouri

Job Type/Schedule

This position is full-time and works approximately 40 hours per week.

Department Name/Job Location

This position is in the Department of Developmental Biology. This position is for the Medical School Campus.

Essential Functions


As part of the research services aspect of the Zebrafish Facility, we are looking for a research technician with experience in molecular biology, that will assist with the carrying out of specific experiments that are available as a service to zebrafish investigators (mutant lines generation using genome editing approaches, microinjections, and genotyping) as well as general husbandry duties. The employee will split their time 50/50 with support research services and providing general fish husbandry.


  1. Assists with research studies, experiments and assays, including collection of data, preparation of solutions and set-up and maintenance of equipment. Main experimental duties include molecular biology, genetics, zebrafish husbandry and microinjection.
  2. Performs data entry and maintains data files on research.
  3. Following standard operating procedures for working with zebrafish, performs the following duties, which include (but are not limited to):
  4. Records daily light, temperature and humidity controls.
  5. Records water quality which includes pH, conductivity, ammonia levels, and nitrate levels.
  6. Performs daily, weekly, monthly and yearly operations to maintain the operating quality of the Fish Facility equipment as well as the health of the fish.
  7. Performs feedings of the adult and baby fish.
  8. Maintains and harvests saltwater rotifers and stocks young zebrafish larvae on nursery system.
  9. Labels and sanitizes fish tanks.
  10. Washes and cleans/sterilizes tanks and other equipment. Operates cleaning equipment including washer and autoclave.

  11. Receives and stores materials and supplies.

  12. Maintains close surveillance of fish health, reporting signs of illness/problems to facility supervisor.
  13. Participates in training and continuing education.
  14. Complies with established safety procedures and maintains required documentation on laboratory and specimen conditions.
  15. Ensures lab conditions and equipment are properly cleaned and maintained in accordance with established procedures.
  16. Assists with general lab maintenance and cleaning.

Required Qualifications

Bachelor’s degree and up to one year of experience in a laboratory setting or an equivalent combination of education and experience equaling four years.

Preferred Qualifications

  • Enthusiasm for molecular biology, genetics, and zebrafish research.
  • Prior experience in molecular biology.
  • Proficiency in basic molecular techniques, including DNA, RNA, PCR and molecular cloning.

Salary Range

The hiring range for this position is $14.07 - $18.99 per hour.

Pre-Employment Screening

All external candidates receiving an offer for employment will be required to submit to pre-employment screening for this position. Current employees applying for a new position within the university may be subject to this requirement. The screenings will include a criminal background check and, as applicable for the position, other background checks, drug screen, employment and education or licensure/certification verification, physical examination, certain vaccinations and/or governmental registry checks. All offers are contingent upon successful completion of required screening.

Department Summary

Washington University in St. Louis is home to one of the largest zebrafish facilities in the world and with robotic feeding and cleaning systems, it is the world’s most modern. The facility allows large-scale, collaborative projects that would not be possible for individual investigators, helping scientists understand human development and disease, from birth defects and cancer to muscle and nerve disorders.


This position is eligible for full-time benefits. Please click the following link to view a summary of benefits: https://wustl.box.com/s/8wkhs25yssf0775x9d6nd6vqa7obpth7.

Applicant Special Instructions


This position works in a laboratory environment with potential exposure to biological, chemical and radioactive hazards. The individual must be physically able to wear protective equipment and to provide standard care to research animals.

EOE Statement

Washington University is an Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, age, sex, sexual orientation, gender identity or expression, national origin, genetic information, disability, or protected veteran status.

Job Title: Research Technician II - Developmental Biology - 49071

Job ID: 49071

Location: Medical School

Full/Part Time: Full-Time

Regular/Temporary: Regular