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Charles River Laboratories Embryology Lab Technologist in Wilmington, Massachusetts

Embryology Lab Technologist

Req ID #: 217730


Wilmington, MA, US, 01887

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 Summary

We are seeking anEmbryology Lab Technologistin ourEmbryology Departmentat ourWilmington, MAlocation.

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.


  • 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.


  • Associate degree (A.A. /A.S.) or higher degree equivalent in Biological Science, Lab Animal Science, or related discipline.

  • 1 years related experience and/or training.

  • An equivalent combination of education and experience will be accepted as a satisfactory substitute for the specific education and experience listed above.

  • 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.


  • Bachelor's degree (B.A./B.S.) in Biological Science, Lab Animal Science, or related discipline

  • 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 supported the development of 86% of the drugs approved by the FDA in 2021.

Equal Employment Opportunity

Charles River Laboratories is an Equal Opportunity Employer - all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, veteran or disability status.

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 This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.

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