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Embryology Laboratory Technologist (Temporary Opportunity)

Charles River Laboratories, Inc.
Wilmington, MA Temporary
POSTED ON 8/29/2026
AVAILABLE BEFORE 9/27/2026

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 Description

We are seeking an Embryology Lab Technologist in our Embryology Department at our Wilmington, MA location.

 

This is a short term assignment with limited benefits.

 

Work Schedule:  Monday-Thursday - 6:00 am - 3:30 pm & Friday 6:00 am - 10:00 am

 

This individual will assist in production of embryos via in vitro fertilization (IVF), collection of embryos from naturally mated animals, cryopreservation of embryos and sperm, quality control (QC) of the produced material, and keeping track of Key Performance Indicators (KPI) to gauge production success rates. Training in skills to promote further career advancement is part of this position and may include learning basic rodent survival surgery and embryo microinjection. 

 

ESSENTIAL DUTIES AND RESPONSIBILITIES: 

  • Use IVF to generate rodent embryos.
  • Collect embryos from oviduct and uterine tissue from naturally mated rodents.
  • Assess embryo quality.
  • Embryo cryopreservation.
  • Collect and cryopreserve sperm.
  • QC cryopreserved material.
  • Assist in maintenance of cryopreserved material.
  • Conduct Mouse Embryo Assays and Sperm Motility Assays to QC media and plasticware used in the lab.
  • Occasionally assist with dissection of rodent reproductive tracts.
  • Occasionally assist with animal husbandry in both Individually Ventilated Cage (IVC) Racks and in rodent Isolator Units.
  • Assist supervisors with mentoring and training of new personnel. 
  • May act as team leader in specific departmental projects.
  • Understand and comply with all Standard Operating Procedures (SOPs) and biosecurity procedures.
  • Ensure proper record-keeping using the Internet Colony Management (ICM) software.
  • Use simple computer programs, databases, and applications
  • Comply with all local, state, and federal laws governing the use of research animals.
  • Work under deadlines with general guidance.
  • Weekends and holidays may be required
  • Perform all other related duties as assigned.


MINIMUM QUALIFICATIONS:

The following are minimum requirements related to the Embryology Laboratory Technologist role:

Candidates must possess one of the following:

  • Bachelor's degree (B.A./B.S.) in Biological Science, Lab Animal Science, or related discipline.
  • Associate degree plus 1 year husbandry or lab experience in a laboratory/animal facility.
  • High school diploma/General education development plus 2-3 years husbandry or lab experience in a laboratory/animal facility.

 

In addition:

  • Must be comfortable handling rodents, primarily mice and rats.
  • Proficient in computers (ie:  MS Office Suite).
  • Ability to accurately complete detailed work.
  • Ability to lift 35 lbs. in weight.
     

PREFERRED QUALIFICATIONS:

  • Broad knowledge of biology lab practices.
  • Prior experience working with rodents.
  • General familiarity working with computer databases.

 

 

The hourly pay rate for this position is $24.00.  Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

About Research Models & Services
Fundamental to basic research and discovery is the use of in vivo models to help identify disease targets and determine potential biological pathways that regulate the condition.  As the world’s leader in the production and distribution of the highest quality research animal, with 1 out of 2 animal models produced for preclinical research globally, we understand the importance of this step. With seven decades of experience, our expertise is unmatched, allowing us to provide you with the perfect model, including disease-specific and preconditioned options, for basic research and beyond.


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.

Salary : $24

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