Mailroom/Copy Center Clerk

Req ID #:  139327

Wilmington, MA, US, 01887

For 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.

Job Summary

We are seeking a Mailroom / Copy Center Clerk for our Corporate Headquarters located in Wilmington, MA. The Clerk is responsible for various administrative functions, including: mail distribution, faxing, copying, binding and laminating. Participate in developing, maintaining and continuously improving mail room processes and procedures. 


The following are the responsibilities related to the Mailroom / Copy Center Clerk position:

  • Sort and distribute incoming and interoffice mail.
  • Open and seal envelopes; date-stamp material; maintain employee rosters and location lists; weigh and stamp outgoing mail; readdress misdirected mail; deliver mail; assist other clerical employees by performing such duties as copying, stuffing and labeling envelopes.
  • Maintain inventory of mail and copier supplies and prepare outgoing mail by computing postage, completing required post office forms, and logging required data such as registered mail.
  • Prepare overnight packages for pick up (Fedex, UPS, DHL etc.) as required.
  • Operate postage meters and maintain petty cash fund for sales of stamps to employees.
  • Process classified or sensitive mail in accordance with security and confidentiality regulations.
  • Schedule and complete copy and other projects to meet quality standards and deadlines.
  • Provide training on work flow and machine operations as necessary.
  • Assist in developing and communicating daily routine for mail and copy room functions, including fax.
  • Assist in developing performance and operation procedures to improve quality and consistency.
  • Maintain all mail room equipment, supplies and provide key operator services.
  • Operate light weight vehicle to pick up and deliver mail, supplies and print projects. 
  • Make equipment recommendations.
  • Provide support to switchboard and reception desk.
  • Performs other related duties as assigned

The following are the qualifications related to the Mailroom / Copy Center Clerk position:

  • Education:  High school diploma or General Education Degree (G.E.D.) required.
  • Experience:  1-2 years related experience required.
  • An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
  • Certification/Licensure:  Valid driver’s license.
  • Other: Must possess outstanding customer service skills and attention to detail. Must have the ability to multitask, take initiative, and be a team player. Proficiency in Microsoft Office Word, Excel and ability to quickly learn shipping software is required. Bi-lingual (English/Spanish) a plus.

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 by December 8, 2021.  Our main priority is the wellbeing, health, and safety of our people. We will be requiring 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 Corporate Functions
The Corporate Functions provide operational support across Charles River in areas such as Human Resources, Finance, IT, Legal, Sales, Quality Assurance, Marketing, and Corporate Development. They partner with their colleagues across the company to develop and drive strategies and to set global standards. The functions are essential to providing a bridge between strategic vision and operational readiness, to ensure ongoing functional innovation and capability improvement.  

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 18,000 employees within 100 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 >80% of the drugs approved by the FDA for the past 3 years.

Equal Employment Opportunity
Charles River Laboratories is an Equal Opportunity Employer - M/F/Disabled/Vet.

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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