Central Services Technician I (Cagewash I)

Charles River Laboratories, Inc.
Cambridge, MA

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 experienced Central Services Technician I (Cagewash) to join our Insourcing Solutions team located in Cambridge, MA.

As the Central Services Technician I, you will provide cleaning and maintenance of laboratory animal caging, equipment, and cage preparation areas, as well as cleaning of animal support areas.

Additional responsibilities include:

  • Transport caging and equipment between animal areas and cage washrooms.
  • Receive and store feed, bedding, and supplies.
  • Provide quality assurance to the cagewash area.
  • Ensure that all logbooks, checklists, and other records are completed in a timely fashion.
  • Conduct and collect various aseptic sampling for the monitoring of water quality, sanitized animal racks, and equipment.
  • Inspect enrichment devices, cages, and other items, and perform all other related duties as assigned.

Job Qualifications

The following are minimum requirements related to the Central Services Technician I position:

  • High school diploma, general education degree (G.E.D.) or equivalent
  • Minimum of six months experience working in a laboratory animal facility performing cage wash duties, or working with glassware cleaning or a commercial dishwashing operation.

The pay range for this position is $20.00-22.00 USD per hour. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

Vaccine Mandate

This position services client(s) that requires us to ensure our employees are fully vaccinated against COVID-19. We will require proof of vaccination from all employees servicing client(s) with COVID-19 Vaccination requirements.

About Insourcing Solutions
Charles River Insourcing Solutions℠ can streamline research by delivering operational and cost efficiencies through the strategic insourcing of GMP, GLP and non-GLP research services from discovery through safety assessment. Insourcing Solutions℠ provides you with the ability to maintain control of your facility and expertise while leveraging available space.


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 worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.

We’re committed to providing benefits that elevate your quality of life. Based on your position these may include: bonus/incentives based on performance, 401K, paid time off, stock purchase program, Health and wellness coverage, employee and family wellbeing support programs, and work life balance flexibility.


Equal Employment Opportunity

Charles River is an equal opportunity employer and is committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws.

It is unlawful in some states (including Massachusetts) to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.

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.

For more information, please visit

Posted 2025-07-25

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