Research Specialist I (Aquatics)

Req ID #:  190394

Bethesda, MD, US, 20892-0602

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.

IMPORTANT:   In order to be considered for this position, a resume/CV must be uploaded and submitted during the application process.  Please make sure work history and education are added correctly.

Job Summary

We are looking for a Research Specialist I (Aquatics) to join our Insourcing Solutions team, located in Bethesda, MD.

How will you have an impact?
This is the moment to use your talents and imagine those talents contributing to improving global health and peoples’ lives. In the RSI role, you can do that by ensuring the health and well-being of all the aquatic species, providing technical support, as well as the integrity of the research. 

Why work at Charles River? 
We offer an excellent onboarding program for our new employees; internal career development, competitive benefits, $1,000 Sign-On Bonus, and $30-31 an hour. 

What you will do!
In this role, you will utilize existing quality standards and procedures to provide colony management support for aquatic species, namely Zebrafish. Duties may include general lab support, husbandry, colony management and recordkeeping of stock and mutant lines. Additional duties might include system preventative maintenance and troubleshooting systems, as well as providing technical training to new staff (including coordinating tasks for summer high school students) and assisting post-docs with projects.


You will also assist with performing genetic mapping, generating, and screening transgenic lines for desired trait expression; as well as assisting in performing DNA, RNA, and morpholino injections. You may also assist in performing various bench-top Molecular biology procedures, like PCR, gel electrophoresis, Western blotting, bacterial culture and transfection, mini-prep, cloning, genomic DNA isolation, DNA sequencing, purification, sub-cloning to include ligation and analysis of minipreps, DNA purification, restriction digestion mRNA extraction, cryopreservation, IVF, reverse transcription, and in situ hybridization. You may also be tasked with coordinating imports and exports of fish and/or embryos.

Job Qualifications

Who are we looking for?

A candidate that possesses a B.S. in either Biological Sciences, animal science, or similar discipline; OR an AA in Veterinary Technology; and have a minimum three years’ experience working in an animal research environment with aquatic species. An equivalent combination of education and experience may be accepted as a satisfactory substitute for what is listed. 


If you are interested in contributing to the well-being of our communities, not only across the country but around the world, please join us and BE THE DIFFERENCE!

IMPORTANT: A resume is required to be considered for this position. If you have not uploaded your resume in your candidate profile, please return to upload field and attach your resume/CV. 

Vaccine Mandate
Charles River is a U.S. Federal Contractor.  As a result, we must follow the Presidential Executive Order to mandate vaccinations, and ensure our employees are fully vaccinated against COVID-19.  Our main priority is the wellbeing, health, and safety of our people. We require proof of vaccination from all employees. 

Anyone with requests for disability-related and/or religious exemptions should contact Talent Acquisition ( so that information can be provided about the accommodation process at Charles River.


About Insourcing Solutions
Charles River Insourcing Solutions℠ can streamline research by delivering operational and cost efficiencies through the strategic insourcing of GMP, GLP and non-GLP research services from discovery through safety assessment. Insourcing Solutions℠ provides you with the ability to maintain control of your facility and expertise while leveraging available space.

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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