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On Call Preclinical Cro Jobs (NOW HIRING)

Clinical Veterinarian

Bethesda, MD · On-site

$74 - $82/hr

Provide emergency care (all species), including on call emergency duties. * Perform euthanasia ... About Charles River Charles River is an early-stage contract research organization (CRO). We have ...

... CRO) specializing in preclinical and clinical trials to assess the safety, metabolism, and efficacy ... Additionally, there will be rotating weekends when you will be on call. The typical schedule is ...

On Call Preclinical Cro information

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$44K

$103.2K

$239.5K

How much do on call preclinical cro jobs pay per year?

As of Aug 11, 2026, the average yearly pay for on call preclinical cro in the United States is $103,249.00, according to ZipRecruiter salary data. Most workers in this role earn between $56,000.00 and $200,000.00 per year, depending on experience, location, and employer.
What are the most commonly searched types of Preclinical Cro jobs? The most popular types of Preclinical Cro jobs are:

$33/hr

Full-time

Medical, Retirement, PTO

Posted 10 days ago


Charles River Laboratories rating

8.4

Company rating: 8.4 out of 10

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.

Job Overview

Independently perform advanced necropsy procedures in support of preclinical research studies. Prepare, review, and maintain study documentation, perform quality control reviews of study data, and serve as a technical resource for pathology and necropsy-related activities. Provide guidance and training to less experienced staff while ensuring compliance with applicable protocols, regulatory requirements, and quality standards.

Essential Duties and Responsibilities

  • Independently perform specialized necropsy procedures, including tissue collection for special analyses, perfusion fixation, fetal evaluations, specialized dissections, neurodissections, and gross pathology photography.
  • Prepare study-specific necropsy procedures, technical documentation, and supporting records.
  • Conduct quality control reviews of study data and documentation to ensure accuracy, completeness, and regulatory compliance.
  • Assist in the preparation of responses to audits, deviations, inspections, and other internal or external reviews.
  • Participate in method development initiatives, troubleshoot technical challenges, and recommend process improvements.
  • Serve as a subject matter resource for pathology and necropsy-related study activities.
  • Attend and contribute to study meetings and may lead discussions related to pathology and necropsy procedures.
  • Train and mentor junior staff in necropsy techniques, procedures, and best practices.
  • Perform basic histology procedures, including trimming, processing, embedding, microtomy, staining, and coverslipping, as needed.
  • Assist with advanced histology techniques, including slide quality control, special staining procedures, serial/step sectioning, and preparation of thin or thick tissue sections.
  • Maintain a safe and organized laboratory environment while adhering to company, regulatory, and safety requirements.

Qualifications


Education

  • High School Diploma or GED required.
  • Associate’s or Bachelor’s degree in Biology, Animal Science, Pathology, or a related life science discipline preferred.

Experience

  • Minimum of 3 years of pathology laboratory and/or necropsy experience.
  • Experience supporting GLP studies and working within a regulated laboratory environment preferred.

Additional Qualifications

  • Equivalent combinations of education and experience may be considered.
  • Demonstrated competency in necropsy procedures and completion of all required skills associated with preceding job levels.
  • Strong attention to detail with the ability to accurately document and review study data.
  • Effective verbal and written communication skills.
  • Ability to work independently and collaboratively in a team environment.
  • Proficiency with standard computer applications and laboratory documentation systems preferred.
  • Commitment to quality, safety, and continuous improvement.
  • Available for occasional weekend, holiday, and/or on-call work as required based on study demands.

The pay rate for this position is $33.00/hour.  Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

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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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