Charles River Labs Logo

Charles River Labs Employee Reviews, Feedback, Testimonials

Preclinical and clinical laboratory servicesWilmington, United States10,001-50,000 employees
4
6 reviews

About Charles River Labs

Charles River Labs (Charles River Laboratories) is a prominent preclinical contract research organization headquartered in Wilmington, Massachusetts, that supports drug discovery and development with animal models, toxicology, bioanalytics and GMP bi...

Detailed Employee Ratings

3.5
Work-Life Balance
3.5
Compensation
4
Company Culture
4
Career Growth
4.2
Job Security

Ratings and highlights for Charles River Labs are currently compiled with AI assistance from publicly available sources to give you an early picture. Worked here? Write the first verified review.

Are you from Charles River Labs? Claim this profile.

Filter Reviews

6 reviews found

Employee Reviews (6)

Read authentic experiences from current and former employees at Charles River Labs

4.0
Verified Anonymous

Animal Care Technician Review

Animal Research ServicesFull-timeOn-site
Sep 5, 2025

What I liked

Good training and clear animal welfare standards. Team-oriented environment and hands-on experience every day.

Areas for improvement

Work is physically demanding and pay/overtime policies could be improved in some locations.

4.0
Verified Anonymous

Project Manager Review

Operations / Program ManagementFull-timeHybrid
Jul 15, 2025

What I liked

Good job stability and supportive senior leadership. Cross-site collaboration at Charles River Labs is strong and professionally run.

Areas for improvement

Timelines can be aggressive and some projects are understaffed which creates pressure.

4.0
Verified Anonymous

Laboratory Technician Review

Analytical ServicesFull-timeOn-site
May 20, 2025

What I liked

Hands-on lab work, clear SOPs and a strong safety culture. Colleagues are helpful and there are steady learning opportunities.

Areas for improvement

Pay could be better given the cost of living here, and shift work can be tiring during busy seasons.

5.0
Verified Anonymous

Senior Scientist Review

Biology / Discovery SciencesFull-timeHybrid
Mar 12, 2025

What I liked

Strong scientific leadership, collaborative teams and excellent training resources. Charles River Labs invests in equipment and professional development.

Areas for improvement

Some administrative paperwork and procurement can be slow, which delays experiments occasionally.

3.0
Verified Anonymous

Quality Assurance Specialist Review

Quality AssuranceFull-timeOn-site
Feb 1, 2025

What I liked

Strong focus on compliance and good standard operating procedures. Coworkers were supportive during audits.

Areas for improvement

Long hours during audit season, management sometimes seems disconnected from day-to-day lab realities, and limited clear career progression.

4.0
Verified Anonymous

Software Engineer - Data Review

IT / Data ScienceFull-timeRemote
Jan 15, 2025

What I liked

Flexible remote policy, interesting data problems and a decent learning budget. Benefits are competitive and the team is global.

Areas for improvement

Decision making across global teams can be slow and promotions sometimes take longer than expected.

Interview Questions

No interview questions shared yet for Charles River Labs. Be the first!

Questions & Answers

No questions yet for Charles River Labs. Be the first to ask!

Open Roles

See open roles at Charles River Labs