For nearly 70 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.

Working at Charles River

    Our culture: Discover a friendly, fun environment that nurtures teamwork, provides regular training, offers Equal Employment Opportunities and promotes a diverse workplace.

    Our campuses: Join a team that supports a variety of clients through every step of their drug’s development at locations around the world.

    Our careers: Browse our global career opportunities to find a position that matches your unique skills and talents.

Global Locations

    Charles River’s 65 locations in 18 countries offer something for everyone. With choices ranging from our corporate headquarters in Wilmington, Massachusetts, to our modern Reno, Nevada facility and our historic campus in Lyon, France, plus sites near mountains and coastlines and in places voted the “Best Place to Live,” you’ll find the perfect place for both your lifestyle and career.

    Explore our Locations »


    “The fact that you could grow in the company and transfer to other departments as well as other locations is great.”Employee in Wilmington, MA

We'll Help You Grow

    Helping our employees grow, both personally and professionally, is of utmost importance to us. Because when our employees thrive, we thrive, too.

    From day one, our employees are set up for success so that they can achieve both their short- and long-term career goals. Throughout the organization, a variety of training courses are offered to meet individual styles, from one-on-one meetings and classroom settings to collaborative virtual spaces and on-demand video learning.

    From seed to tree, we empower our employees, allowing them to grow and flourish into tomorrow’s leaders, today.

    “[There are] many opportunities to grow and develop skills on- and off-site.”
    –Employee in Spencerville, OH

Our Culture

    Charles River is passionate about our role in improving the quality of people’s lives. Our employees are equally passionate and committed. In the United States, our employees average 8.3 years with the company. Globally, almost 20% of our employees have more than 20 years of service.

    Every day, each of us strives to make a difference, and we recognize that our responsibility to improve people’s lives extends beyond therapeutic cures to our planet and the communities where we live and work.

    “I couldn’t be more proud of the people I work with! … we partnered up with Stop Hunger Now for an incredible One Day event where we packaged 10,000 meals to help fight against global hunger.”
    –Employee in Reno, NV

Why Charles River

    Make an impact: We are passionate about improving the quality of people’s lives. When you join our global family, you will help make a real difference in the world every day.

    Effect change: In the past two years, Charles River supported the development of more than 50% of the new treatments approved by the FDA.

    Find success: We encourage the growth and development of our exceptional employees—both personally and professionally.

    Give back: In 2015, our employees participated in 3,200 volunteer opportunities in their local communities, volunteering 14,000 hours through 430 events around the globe.

    “I enjoy and am proud of what I do at Charles River. Flexibility, benefits, promoting from within, and the comradery between employees.” –Employee in Raleigh, NC