Animal Care Associate - Part Time (Weekends)

Req ID #:  222991

Wilmington, MA, US, 01887

For 75 years, Charles River employees have worked together to assist in the discovery, development and safe manufacture of new drug therapies. When you join our family, you will have a significant impact on the health and well-being of people across the globe. Whether your background is in life sciences, finance, IT, sales or another area, your skills will play an important role in the work we perform. In return, we’ll help you build a career that you can feel passionate about.

Job Summary

We are seeking an Animal Care Associate to work part-time on weekends in our GEMS-Breed Department located in Wilmington, MA.   You must be able to work both Saturday and Sunday, a 4-6 hour shift each day.


The Animal Care Associate will maintain and monitor the health, production, and physical environment of Charles River or external customer animals (rodents) within isolators, micro-isolator caging and/or ventilated cage systems.


This position starts off as temporary with the potential to become a regular CRL employee.


Benefits include: 

  • A shift differential for all hours worked on the weekend
  • Paid sick time
  • Paid Volunteer Time off
  • 401K Participation
  • Use of our onsite gym



  • Perform animal husbandry which will include feeding, watering and cleaning cages.
  • Implement breeding and sampling procedures to ensure customer satisfaction.
  • Maintain physical environment cleanliness, biosecurity and accurate department/animal records within the internal database system.
  • Comply with all Standard Operating Procedures (SOPs) and operating equipment and supplies per safety and ergonomic guidelines.
  • Complete other duties as required.



  • Must be a minimum of 18 years of age.
  • No experience needed.  Training will be provided.
  • Must have a reliable form of transportation.
  • Must be able to work both Saturdays and Sundays.


The pay rate for this position is $18.00 per hour.  Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

About Research Models & Services
Fundamental to basic research and discovery is the use of in vivo models to help identify disease targets and determine potential biological pathways that regulate the condition.  As the world’s leader in the production and distribution of the highest quality research animal, with 1 out of 2 animal models produced for preclinical research globally, we understand the importance of this step. With seven decades of experience, our expertise is unmatched, allowing us to provide you with the perfect model, including disease-specific and preconditioned options, for basic research and beyond.

About Charles River
Charles River is an early-stage contract research organization (CRO). We have built upon our foundation of laboratory animal medicine and science to develop a diverse portfolio of discovery and safety assessment services, both Good Laboratory Practice (GLP) and non-GLP, to support clients from target identification through preclinical development. Charles River also provides a suite of products and services to support our clients’ clinical laboratory testing needs and manufacturing activities. Utilizing this broad portfolio of products and services enables our clients to create a more flexible drug development model, which reduces their costs, enhances their productivity and effectiveness to increase speed to market.


With over 20,000 employees within 110 facilities in over 20 countries around the globe, we are strategically positioned to coordinate worldwide resources and apply multidisciplinary perspectives in resolving our client’s unique challenges. Our client base includes global pharmaceutical companies, biotechnology companies, government agencies and hospitals and academic institutions around the world.


At Charles River, we are passionate about our role in improving the quality of people’s lives. Our mission, our excellent science and our strong sense of purpose guide us in all that we do, and we approach each day with the knowledge that our work helps to improve the health and well-being of many across the globe. We have proudly supported the development of 86% of the drugs approved by the FDA in 2021.


Equal Employment Opportunity

Charles River Laboratories is an Equal Opportunity Employer - all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.


If you are interested in applying to Charles River Laboratories and need special assistance or an accommodation due to a disability to complete any forms or to otherwise participate in the resume submission process, please contact a member of our Human Resources team by sending an e-mail message to [email protected]. This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.


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