Research Support Specialist IV
Charles River Laboratories International
Baltimore, MD · Posted October 27, 2026
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AI use among industrial engineering technologists and technicians is little observed so far. Measured exposure for industrial engineering technologists and technicians: 0% (little observed).
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Charles River Laboratories International has filed one layoff notice in the last twelve months, covering 20 workers, most recently February 2026. These are public filings with state labor departments, and an open role can sit alongside them. See the filings
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About the job
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 looking for a Research Support Specialist IV to join our Insourcing Solutions Team in Baltimore, MD.
As the RSS IV, you will be responsible for handling rats, collecting biological samples, performing necropsies and data input management.
Additional responsibilities include:
Provides technical and husbandry support for rats within the facility
Ensures that cages are labeled correctly with information regarding strain or lineage, sex and sexual status of mice and rats
Provides animal identification: ear notching, tail tattoo or transponder
Assists with the supervision of specialized care of animals including preparation of special diets and medicated water, care of immature, aged and special animals
May be required to perform IP, IM. ID, and SQ injections, oral gavage, submandibular, eye, and cardiac bleeds, full body perfusion and dissection
May be required to become proficient at performing surgical services such as jugular, carotid, femoral vessel cannulation, CSF collection, stereotaxic intracranial implants and liver resection
Interfaces with research staff to assist with logistics and scheduling of projects, and conduct research and laboratory support services as directed
Conducts behavioral testing on rats to assess locomotors, cognitive, sensory and emotional functions
Ensure that proper veterinary care and treatment for animals is maintained and records are documented completely
Job Qualifications
Education: HS diploma or GED equivalency required
Experience/Certification: 1-year experience with research animals + LAT certification OR Bachelor of Science in Animal Science or similar + 3 years of experience working with research animals OR 10-13 years of experience working with research animals
The hourly for this position is $42/hour. The schedule is Monday through Friday 7AM-3:30PM, you must be available some weekends and holidays when necessary.
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 crrecruitment_US@crl.com. 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 www.criver.com.