Share this Job
Job Req ID:  105276


We are seeking an Animal Facility Assistant. Animal Facility Assistant is an important member of the research team in providing the highest standards of animal care, welfare and technical assistance in support of research initiatives. Work independently in tasks that are routine yet complex. Conduct work in accordance with several policies including the USDA Animal Welfare Act, the ILAR Guide for the Care and Use of Laboratory Animals, the Johns Hopkins University and the Animal Care and Use Committee policies, and the standard operating procedures for the animal facility. Performs sanitation, husbandry and all support functions required for the humane care of a wide variety of laboratory animal species including rodents, rabbits, birds, frogs. Must achieve Assistant Laboratory Animal Technician (ALAT) certification within fifteen (15) months of employment as Animal Facility Assistant.

*For qualified candidates with an existing ALAT Certification, an Animal Facility Specialist opportunity will be offered at a higher pay grade.

Specific Duties & Responsibilities

  • Perform all the tasks of the Animal Cage Washer as needed.
  • Clean, sanitize and sterilize animal cages, feeders, water bottles, animal rooms, support space and related equipment.
  • Fill animal feeders, bowls and water bottles or other containers with the appropriate types and amounts of food and drinking water in accordance with schedules and detailed instructions.
  • Use aseptic technique and disease prevention principles in a Class I or Class II biological safety cabinet. Remove animals from soiled cages and transfers them to clean, sterilized cages in accordance with schedules and detailed instructions.
  • Work under isolation conditions using specialized caging units such as micro-isolation cages and individually ventilated cage systems while adhering to aseptic techniques and disease prevention principles.
  • Place bedding, feed, water bottles, etc. into assembled, sanitized cages.
  • Observe and report to supervisor signs of animal injuries, illness or irregularities in appearance, health and environment such as abnormal food consumption, death, abnormal stool or unusual behavior.
  • Assist in providing routine treatments as instructed including procedures such as ear mite medication, clipping overgrown teeth, etc.
  • Perform euthanasia following detailed training and instructions.
  • Receive and process incoming animals and materials. Assist in examining incoming animals for compliance with specifications, rejecting unsuitable animals and referring questionable cases to the supervisor.
  • Assist in maintaining colonies of genetically altered rodents and may be required to perform data collection.
  • Maintain accurate records of the numbers and types of animals cared for and the animal's food and water consumption.
  • Calculate the animal census.
  • Maintain detailed records of animal room environmental factors such as temperature, humidity, lighting and other environmental controls and report deviations to the supervisor. Note this information on the room environment log sheet.
  • Maintain adequate stock of feed, bedding and other supplies.
  • Report to supervisor the need for repairs to cages and support equipment.
  • Perform preventive maintenance and minor repairs on automated watering systems, individually ventilated cage systems and other support equipment. Adjust and repair automatic drinking devices.
  • Lubricate equipment, make minor adjustments and repairs to cages and other equipment and change air filters related to laboratory animal equipment and facilities as needed, using hand tools if required.
  • Collect, process and remove waste material. Know and follow appropriate procedure for disposal of animal carcasses, bio-hazardous wastes, etc.
  • Observe all safety policies and procedures and use equipment and chemical treatments properly to avoid harming animals, self, others and damaging property.
  • Perform tasks that require the use of personal protective equipment such as safety glasses, safety shoes, protective clothing and gloves, fume hoods, biological safety cabinets, etc.
  • Follow good laboratory practice and good housekeeping procedures in accordance with standard operating procedures, health, safety and environmental policies.
  • Maintain equipment and work area in clean and orderly condition. To sanitize their area, reach upper cages or to clean animal racks or shelves.
  • Perform other duties as assigned.

Minimum Qualifications
  • High school Degree or equivalent.
  • Must achieve Assistant Laboratory Animal Technician (ALAT) certification from the American Association of Laboratory Animal Science (AALAS) within fifteen months of employment as an Animal Facility Assistant.

Preferred Qualifications
  • One (1) year of laboratory animal care or related experience.

*This is a Bargaining Unit position. All newly hired employees in Bargaining Unit positions shall be considered “probationary” employees until completion of 90 calendar days of employment. These employees shall become members of the Bargaining Unit if this employment continues beyond four months. The university will notify the employees’ union. Bargaining Unit employees shall become eligible for benefits upon completion of their probationary period.


Classified Title: BU Animal Facility Assistant-SSR 
Working Title: Animal Facility Assistant or Animal Facility Specialist if ALAT certified at the time of hire     
Role/Level/Range: USKILLD3/01/BU  
Starting Salary Range: $15.60 per hour Animal Facility Assistant, $19.40 per hour Animal Facility Specialist​​​​​​​ 
Employee group: Casual status with Full Time Schedule during 90 day probationary period   
Schedule: 40 hours, 5 days per week 
Exempt Status: Non-Exempt 
Location: 04-MD:School of Medicine Campus 
Department name: 10003430-SOM Admin Research Animal Resources 
Personnel area: School of Medicine 


Please refer to the job description above to see which forms of equivalency are permitted for this position. If permitted, equivalencies will follow these guidelines:
JHU Equivalency Formula: 30 undergraduate degree credits (semester hours) or 18 graduate degree credits may substitute for one year of experience. Additional related experience may substitute for required education on the same basis. For jobs where equivalency is permitted, up to two years of non-related college course work may be applied towards the total minimum education/experience required for the respective job.

**Applicants who do not meet the posted requirements but are completing their final academic semester/quarter will be considered eligible for employment and may be asked to provide additional information confirming their academic completion date.

The successful candidate(s) for this position will be subject to a pre-employment background check. Johns Hopkins is committed to hiring individuals with a justice-involved background, consistent with applicable policies and current practice. A prior criminal history does not automatically preclude candidates from employment at Johns Hopkins University. In accordance with applicable law, the university will review, on an individual basis, the date of a candidate’s conviction, the nature of the conviction and how the conviction relates to an essential job-related qualification or function.


The Johns Hopkins University values diversity, equity and inclusion and advances these through our key strategic framework, the JHU Roadmap on Diversity and Inclusion.


Equal Opportunity Employer

All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or status as a protected veteran.


EEO is the Law
Learn more:


Accommodation Information

If you are interested in applying for employment with The Johns Hopkins University and require special assistance or accommodation during any part of the pre-employment process, please contact the Talent Acquisition Office at For TTY users, call via Maryland Relay or dial 711. For more information about workplace accommodations or accessibility at Johns Hopkins University, please visit


Johns Hopkins has mandated COVID-19 and influenza vaccines, as applicable. Exceptions to the COVID and flu vaccine requirements may be provided to individuals for religious beliefs or medical reasons. Requests for an exception must be submitted to the JHU vaccination registry. For additional information, applicants for SOM positions should visit and all other JHU applicants should visit


The following additional provisions may apply, depending on campus. Your recruiter will advise accordingly.

The pre-employment physical for positions in clinical areas, laboratories, working with research subjects, or involving community contact requires documentation of immune status against Rubella (German measles), Rubeola (Measles), Mumps, Varicella (chickenpox), Hepatitis B and documentation of having received the Tdap (Tetanus, diphtheria, pertussis) vaccination. This may include documentation of having two (2) MMR vaccines; two (2) Varicella vaccines; or antibody status to these diseases from laboratory testing. Blood tests for immunities to these diseases are ordinarily included in the pre-employment physical exam except for those employees who provide results of blood tests or immunization documentation from their own health care providers. Any vaccinations required for these diseases will be given at no cost in our Occupational Health office.


Note: Job Postings are updated daily and remain online until filled.



School of Medicine - East Baltimore Campus