For 75 years, Charles River employees have worked together to assist in the discovery, development ... Ability to communicate verbally and in writing at all levels inside and outside the organization.

60 Charles River Technical Writer Jobs Hiring Near You
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Ability to communicate verbally and in writing at all levels inside and outside the organization.
Technical Training Specialist Analytical Services
Wayne, PA · On-site
$34.75 - $36/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Effective written and verbal communication skills. Ability to adapt to changing environments ...
Technical Training Specialist Analytical Services
Wayne, PA · On-site
$34.75 - $36/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Effective written and verbal communication skills. Ability to adapt to changing environments ...
Histology Technician
Horsham, PA · On-site
$25 - $35/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Perform method development experiments trouble shoot technical challenges, and/or offer solutions ...
Histology Technician
Horsham, PA · On-site
$25 - $35/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Perform method development experiments trouble shoot technical challenges, and/or offer solutions ...
Veterinary Technician I
Cambridge, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
Veterinary Technician I
Cambridge, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
Veterinary Technician I
Boston, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Preferred • Basic veterinary and clinical technical skills. • AALAS certification (ALAT or ...
Veterinary Technician I
Boston, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Preferred • Basic veterinary and clinical technical skills. • AALAS certification (ALAT or ...
Veterinary Technician I
Ashland, OH · On-site
$25/hr
Charles River employees are innovative thinkers, who are dedicated to continuous learning and ... both written and verbal. Must be proficient in routine veterinary technical and husbandry ...
Veterinary Technician I
Ashland, OH · On-site
$25/hr
Charles River employees are innovative thinkers, who are dedicated to continuous learning and ... both written and verbal. Must be proficient in routine veterinary technical and husbandry ...
Veterinary Technician I
Boston, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
Veterinary Technician I
Boston, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Provide technical assistance Job Qualifications The following are minimum requirements related to ...
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Provide technical assistance Job Qualifications The following are minimum requirements related to ...
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical laboratory activities in support of client studies or procedures. Performs ...
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical laboratory activities in support of client studies or procedures. Performs ...
Histology Technician
Horsham, PA · On-site
$25 - $35/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Perform method development experiments trouble shoot technical challenges, and/or offer solutions ...
Histology Technician
Horsham, PA · On-site
$25 - $35/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Perform method development experiments trouble shoot technical challenges, and/or offer solutions ...
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Analyze scientific problems, troubleshoot analytical methods and technical issues; * Write ...
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Analyze scientific problems, troubleshoot analytical methods and technical issues; * Write ...
Veterinary Technician I
Cambridge, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
Veterinary Technician I
Cambridge, MA · On-site
$30 - $32/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Basic veterinary and clinical technical skills. * AALAS certification (ALAT or higher)
Research Analyst I - Lab Sciences
Reno, NV · On-site
$24/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical laboratory activities in support of client studies or procedures. Performs ...
Research Analyst I - Lab Sciences
Reno, NV · On-site
$24/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical laboratory activities in support of client studies or procedures. Performs ...
Senior Veterinary Pathologist
Wilmington, MA · On-site
$220K - $230K/yr
Charles River employees are innovative thinkers, who are dedicated to continuous learning and ... Write comprehensive pathology reports detailing all test articles effects and correlates with other ...
Senior Veterinary Pathologist
Wilmington, MA · On-site
$220K - $230K/yr
Charles River employees are innovative thinkers, who are dedicated to continuous learning and ... Write comprehensive pathology reports detailing all test articles effects and correlates with other ...
Technician I - Clinical Pathology, 2nd Shift
Mattawan, MI · On-site
$20/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical tasks in the conduct of in vivo research studies or support services in ...
Technician I - Clinical Pathology, 2nd Shift
Mattawan, MI · On-site
$20/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Performs technical tasks in the conduct of in vivo research studies or support services in ...
Histology Technician I
Shrewsbury, MA · On-site
$26/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... and written instructions, maintain a positive work atmosphere, communicate effectively, and ...
Histology Technician I
Shrewsbury, MA · On-site
$26/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... and written instructions, maintain a positive work atmosphere, communicate effectively, and ...
Histology Technician I
Horsham, PA · On-site
$22/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... and written instructions, maintain a positive work atmosphere, communicate effectively, and ...
Histology Technician I
Horsham, PA · On-site
$22/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... and written instructions, maintain a positive work atmosphere, communicate effectively, and ...
Cagewash Technician I
Chicago, IL · On-site
$18.34/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Prepare and submit required written records, charts, logs, and inventories * Actively interact with ...
Cagewash Technician I
Chicago, IL · On-site
$18.34/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Prepare and submit required written records, charts, logs, and inventories * Actively interact with ...
Veterinary Technician I ($5K Sign On Bonus)!
Reno, NV · On-site
$28/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... technical staff and/or Attending Veterinarian. * Assess and follow-up on animal health concerns
Veterinary Technician I ($5K Sign On Bonus)!
Reno, NV · On-site
$28/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... technical staff and/or Attending Veterinarian. * Assess and follow-up on animal health concerns
Animal Care Technician I
Hamilton, MT · On-site
$22/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Provide technical assistance Job Qualifications The following are minimum requirements related to ...
Animal Care Technician I
Hamilton, MT · On-site
$22/hr
For 75 years, Charles River employees have worked together to assist in the discovery, development ... Provide technical assistance Job Qualifications The following are minimum requirements related to ...
Charles River Jobs Information
What is it like to work at Charles River?
What makes Charles River an attractive place to work?
Do workers at Charles River Laboratories get paid breaks?
34% of people say they don’t get paid breaks.
Based on data from 77 people who took the Breakroom Quiz between November 2024 and August 2026.
Does Charles River Laboratories pay people when they’re sick?
83% of people say they would get paid if they were sick but scheduled to work.
Based on data from 30 people who took the Breakroom Quiz between August 2025 and August 2026.
At Charles River Laboratories, are sick days and vacation days separate paid time off?
87% of people say they don’t have to use vacation days when they’re out sick.
Based on data from 45 people who took the Breakroom Quiz between May 2025 and August 2026.
Is the health insurance from Charles River Laboratories affordable enough for their workers?
94% of people say the health insurance costs are okay
Based on data from 52 people who took the Breakroom Quiz between March 2025 and August 2026.
Do people get paid time off at Charles River Laboratories?
94% of people say they get paid time off.
Based on data from 32 people who took the Breakroom Quiz between August 2025 and August 2026.
How far ahead of time do people find out their work schedule?
- 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?
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?
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?
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?
89% of people report it’s easy to get time off.
Based on data from 84 people who took the Breakroom Quiz between November 2024 and August 2026.
Do Charles River Laboratories managers change 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?
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?
97% of people report that it’s easy to take time off if they are sick.
Based on data from 31 people who took the Breakroom Quiz between August 2025 and August 2026.
Is working at Charles River Laboratories good if you’re a parent or caregiver?
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?
72% of people say they’re treated with respect by their managers.
Based on data from 83 people who took the Breakroom Quiz between November 2024 and August 2026.
Do people at Charles River Laboratories get to take their breaks without interruption?
36% of people report that their breaks get interrupted.
Based on data from 81 people who took the Breakroom Quiz between November 2024 and August 2026.
Is it stressful to work at Charles River Laboratories?
65% of people say they often feel stressed at work.
Based on data from 31 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people at Charles River Laboratories enjoy their jobs?
68% of people report they enjoy their job.
Based on data from 73 people who took the Breakroom Quiz between November 2024 and August 2026.
Do people at Charles River Laboratories recommend working with their team?
41% of people report that they wouldn’t recommend working with their immediate team to a friend.
Based on data from 32 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people get enough training when they start at Charles River Laboratories?
75% of people report they got enough training when they started working here.
Based on data from 32 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people get support to advance at Charles River Laboratories?
In the last year, 84% of people report being given support to advance their career here.
Based on data from 31 people who took the Breakroom Quiz between August 2025 and August 2026.
Do people think Charles River Laboratories’s headquarters understands what’s happening where they work?
80% 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 82 people who took the Breakroom Quiz between November 2024 and August 2026.
Do workers feel well informed about how Charles River Laboratories 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 other companies are hiring for Technical Writer jobs?
What are the most popular jobs at Charles River?
What are the most popular categories at Charles River?

$25/hr
Full-time
Medical, Retirement, PTO
Posted 27 days ago
Charles River Laboratories rating
8.4
Based on 94 frontline employees who took The Breakroom Quiz
22nd 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.
We are seeking a Technical Trainer I - In-Life for our Training & Development Team located in Mattawan, MI.
The Technical Trainer I role is responsible for providing initial species skill development during the new hire period, and additional skills training beyond the new hire period. The trainer will work directly with the training and production management to facilitate training employees. A successful candidate must meet the job description requirements and possess experience working on production studies in husbandry and technical skills for large animal, small animal, NHP and/or multi-species areas. Preferred husbandry skills include daily observations, feeding/watering, room cleaning, animal handling, cage rotations, body weight measurement, detailed observations as well as other fundamental animal functions. Technical proficiency in multiple routes of blood collection and test material administration preferred.
The pay for this position is $25/hr USD. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.
- HS/GED/Bachelor's degree with 1-4 years of relevant experience; LAT certification preferred.
- Large animal, small animal, NHP, and/or multi-species experience in husbandry and technical skills on production studies required.
- Demonstrated proficiency in required departmental technical skills; previous training experience preferred.
- Demonstrated knowledge of department processes and procedures.
- Ability to communicate verbally and in writing at all levels inside and outside the organization.
- Basic familiarity with Microsoft Office Suite.
- Computer skills, commensurate with Essential Functions, including the ability to learn a validated system.
- Ability to work extended hours beyond normal work schedule to include, but not limited to evenings, weekends, extended shifts, and/or extra shifts; sometimes on short notice.
- Ability to work under specific time constraints.
- Must be authorized to work in the United States without a sponsor visa, now or in the future.
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.
What Charles River Laboratories employees say
Pay
Benefits
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Workplace
Get the full story on Breakroom
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