Charles River
Charles River

20 Charles River Jobs Hiring Near You

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 ...

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 ...

New

Wir alle bei Charles River teilen eine große Leidenschaft, wenn wir unsere gemeinsame Mission verfolgen: Wir wollen ein gesünderes Leben schaffen . Die Möglichkeit, im Leben von Menschen auf der ...

Histology Technician

Horsham, PA · On-site

$25 - $35/hr

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 ...

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 ...

Molecular Technologist I

Newark, DE · On-site

$21 - $22/hr

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 ...

New

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 ...

Charles River Jobs Information

What is it like to work at Charles River?

Charles River Laboratories is a global company that values collaboration, innovation, and a commitment to quality, fostering a culture of teamwork and mutual respect among its employees. The company operates in a dynamic environment with a diverse range of roles, from laboratory research and development to sales and marketing, with a focus on advancing human health and well-being through its services and products. Working at Charles River offers opportunities for professional growth and development, with access to cutting-edge technologies and a global network of colleagues, making it an attractive choice for those seeking a challenging and rewarding career in the life sciences industry.

What makes Charles River an attractive place to work?

Charles River is a leading provider of solutions and services for the life sciences industry, offering a wide range of products and services that support the development and manufacture of pharmaceuticals and biotechnology products. The company's workplace is characterized by a culture of innovation, collaboration, and teamwork, with opportunities for employees to work on cutting-edge projects and contribute to the development of new products and services. Joining Charles River can provide professionals with opportunities for growth, professional development, and making a meaningful impact in the life sciences industry.

Do workers at Charles River Laboratories get paid breaks?

Yes. Most people get paid breaks.
67% of people say they get paid breaks.
Based on data from 76 people who took the Breakroom Quiz between November 2024 and July 2026.

Does Charles River Laboratories pay people when they’re sick?

Yes. Most people get paid when they’re sick.
89% of people say they would get paid if they were sick but scheduled to work.
Based on data from 35 people who took the Breakroom Quiz between July 2025 and July 2026.

At Charles River Laboratories, are sick days and vacation days separate paid time off?

Sick days and vacation days are separate paid time off.
88% of people say they don’t have to use vacation days when they’re out sick.
Based on data from 33 people who took the Breakroom Quiz between July 2025 and July 2026.

Is the health insurance from Charles River Laboratories affordable enough for their workers?

Most people say the health insurance costs are okay.
94% of people say the health insurance costs are okay
Based on data from 51 people who took the Breakroom Quiz between March 2025 and July 2026.

Do people get paid time off at Charles River Laboratories?

Most people get paid time off work.
95% of people say they get paid time off.
Based on data from 37 people who took the Breakroom Quiz between July 2025 and July 2026.

How far ahead of time do people find out their work schedule?

Most people find out their schedule less than four weeks ahead of time.
  • 71% of people with changing schedules find out their shifts one week or less ahead of time.
  • 12% of people with changing schedules find out their shifts two weeks ahead of time.
  • 0% of people with changing schedules find out their shifts three weeks ahead of time.
  • 18% of people with changing schedules find out their shifts four weeks or more ahead of time.

Based on data from 17 people who took the Breakroom Quiz between December 2024 and May 2026.

Do workers at Charles River Laboratories worry about hours?

Most people don’t worry about getting enough hours.
95% of people report they don’t worry about getting enough hours.
Based on data from 66 people who took the Breakroom Quiz between November 2024 and May 2026.

Do Charles River Laboratories workers get to choose the shifts they work?

Most people get to choose which shifts they work.
71% report that they have enough control over which shifts they work.
Based on data from 52 people who took the Breakroom Quiz between December 2024 and May 2026.

How easy is it for Charles River Laboratories workers to change shifts?

Some people find it hard to change shifts.
34% of people report that it’s hard to change shifts if they need to.
Based on data from 35 people who took the Breakroom Quiz between November 2024 and May 2026.

How easy is it to get time off at Charles River Laboratories?

Most people find it easy to get time off.
91% of people report it’s easy to get time off.
Based on data from 34 people who took the Breakroom Quiz between July 2025 and July 2026.

Do Charles River Laboratories managers change schedules at the last minute?

Most managers don’t change people’s schedules at the last minute.
90% of people say their manager doesn’t change their shift schedule at the last minute.
Based on data from 67 people who took the Breakroom Quiz between November 2024 and May 2026.

Do jobs at Charles River Laboratories spill into time workers aren’t paid for?

Rarely. The job doesn't usually spill into unpaid time.
9% of people report that their job takes up time that they don’t get paid for.
Based on data from 64 people who took the Breakroom Quiz between November 2024 and May 2026.

How easy is it to take sick days at Charles River Laboratories?

Most people find it easy to take sick days.
94% of people report that it’s easy to take time off if they are sick.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.

Is working at Charles River Laboratories good if you’re a parent or caregiver?

Only some parents and caregivers say this is a good place to work.
35% of people who care for a child or other relative report this isn’t a good place to work.
Based on data from 20 people who took the Breakroom Quiz between November 2024 and June 2026.

Do people at Charles River Laboratories feel treated with respect by their managers?

Most people feel treated with respect by their managers.
85% of people say they’re treated with respect by their managers.
Based on data from 34 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people at Charles River Laboratories get to take their breaks without interruption?

Only some people get breaks without interruption.
36% of people report that their breaks get interrupted.
Based on data from 33 people who took the Breakroom Quiz between July 2025 and July 2026.

Is it stressful to work at Charles River Laboratories?

Most people feel stressed out here.
72% of people say they often feel stressed out at work.
Based on data from 36 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people at Charles River Laboratories enjoy their jobs?

Most people enjoy their job.
68% of people report they enjoy their job.
Based on data from 72 people who took the Breakroom Quiz between November 2024 and July 2026.

Do people at Charles River Laboratories recommend working with their team?

Only some people recommend working with their team.
49% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 37 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people get enough training when they start at Charles River Laboratories?

Most people got enough training when they started.
73% of people report they got enough training when they started working here.
Based on data from 37 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people get support to advance at Charles River Laboratories?

Most people are given support to advance their career here.
In the last year, 83% of people report being given support to advance their career here.
Based on data from 35 people who took the Breakroom Quiz between July 2025 and July 2026.

Do people think Charles River Laboratories’s headquarters understands what’s happening where they work?

Most people think headquarters doesn’t understand what’s happening where they work.
71% of people think that this employer’s headquarters or owners don’t have a good understanding of what’s really happening where they work.
Based on data from 34 people who took the Breakroom Quiz between July 2025 and June 2026.

Do workers feel well informed about how Charles River Laboratories is doing?

Only some people feel well informed about how the company is doing.
46% of people feel that they aren’t kept well informed about how the company is doing as a whole.
Based on data from 35 people who took the Breakroom Quiz between July 2025 and July 2026.
What are the most popular states for Charles River jobs?
What are the most popular categories at Charles River?
Infographic showing various job openings at Charles River in the United States as of August 2026, with employment types broken down into 98% Full Time, 1% Part Time, and 1% Nights. Highlights an 100% Physical job distribution.

Histology Technician I

Charles River

Horsham, PA • On-site

$22/hr

Other

Medical, Retirement, PTO

Re-posted 11 hours ago


Charles River Laboratories rating

8.3

Company rating: 8.3 out of 10

Based on 93 frontline employees who took The Breakroom Quiz

21st of 86 rated pharmaceutical


Job description

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 Overview
Perform basic histology laboratory procedures. Participate in the documentation of all activities as required. Assist with shipping and receiving of samples.
Job Description
ESSENTIAL DUTIES AND RESPONSIBILITIES:
Assist with and perform basic histology procedures (trimming, processing, embedding, microtomy, staining, and coverslipping).
Receive samples, complete tracking documentation, and prepare pathology materials and data for shipment and archiving.
Perform all other related duties as assigned.
The pay range for this position is $22.00/hour. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.
QUALIFICATIONS:
Education: High school diploma or General Education Degree (G.E.D.) required. Associate's degree (A.A./A.S.) or equivalent in a biological science preferred.
Experience: 1 year of pathology laboratory experience.
An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
Certification/Licensure: None.
Other: Placement at this level requires successful completion/competency of the required tasks of the position preceding this level and continued ability to perform those tasks are required. Must be able to perform effectively as a team member, accurately record data, follow verbal and written instructions, maintain a positive work atmosphere, communicate effectively, and interact in a professional manner with management, coworkers, and sponsors. Must be able to differentiate normal from abnormal tissue and know correct anatomic terms. Experience with computer software programs is preferred.
Education
No degree required
Physical Requirements
About Safety Assessment
Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market. Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.
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.
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Charles River logo

About Charles River

Sourced by ZipRecruiter

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 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.

Industry

Scientific research and development services

Company size

10,000+ Employees

Headquarters location

Wilmington, MA, US

Year founded

1947