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Lab Assistant - Histology

Job in Shrewsbury, Worcester County, Massachusetts, 01545, USA
Listing for: Charles River
Full Time position
Listed on 2026-06-02
Job specializations:
  • Research/Development
    Medical Technologist & Lab Technician, Clinical Research
Salary/Wage Range or Industry Benchmark: 18 - 21 USD Hourly USD 18.00 21.00 HOUR
Job Description & How to Apply Below
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 Overview

Perform basic laboratory and record-keeping tasks. Support the functions of the in-life, necropsy and formulation/analytical groups.

Job Description

ESSENTIAL DUTIES AND RESPONSIBILITIES:Wash and dry glassware and distribute to appropriate locations within the laboratory. Keep glass-washing area clean and organized. May sterilize glassware and other items using an autoclave.

Label collection tubes and perform laboratory set-up/clean-up (e.g., dusting, mopping floors, emptying & filling feed jars, etc).Perform basic husbandry duties such as liner changes or filling of feed jars.

Verify and record the temperature of assigned refrigerators or freezers.

Assist in the archiving of study-specific samples (e.g. back-up formulations, biological liquids or animal tissues).Assist in preparing for animal arrivals. This may include preparing cages (attaching water lines, feed jars, cage tag holders), ensuring sippers work, ensuring cages are appropriate for species being housed and placing cage tags on the holders.

Process biological samples (e.g. plasma, serum, whole blood, urine, etc.) for possible analysis.

Assist technical personnel with clerical duties (e.g., filing, making copies, cage tags, etc.).Monitor and maintain inventory and stock assigned areas (e.g. PPE Stations, 1st aid boxes).May record observations and measurements for basic lab/research task (e.g. behavioral evaluations).Handle, restrain, and transfer small to medium size animals from one location to another.

Operate basic lab equipment and perform routine maintenance as needed.

Perform limited troubleshooting and calibration of instruments as appropriate for assigned area.

May be responsible for preparing simple lab solutions (e.g., buffers, media/common vehicles, bleach, and eye wash)).May generate reports, master data sheets, forms and hand record data.

Perform all tasks in compliance with Good Laboratory Practice Regulations (GLPs) and Standard Operating Procedures (SOPs).Transport, via company vehicles (truck, golf cart or car) supplies to multiple buildings (e.g. test articles, bio-hazard boxes, dry ice, reagents, etc Perform all other related duties as assigned.

The pay for this position is between $18.00 - $21.00/hour. Please note that salaries vary within the range based on factors including, but not limited to, experience, skills, education, certifications, and location.

QUALIFICATIONS:Education:
High school diploma or General Education Degree (G.E.D.).

Experience:

None.

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

Certification/Licensure:
Must have valid, state-issued, driver's license.

Other:
Must be detail-oriented and have general familiarity with lab procedures. Good verbal communication skills required. Basic computer skills; familiarity with Microsoft Office software

Education

No degree required

Physical Requirements

About Safety Assessment
Charles River is committed to helping our partners expedite their preclinical drug development with exceptional safety assessment services, state-of-the-art facilities and expert regulatory guidance. From individual specialty toxicology and IND enabling studies to tailored packages and total laboratory support, our deeply experienced team can design and execute programs that anticipate challenges and avoid roadblocks for a smooth, efficient journey to market.

Each year approximately 300 investigational new drug (IND) programs are conducted in our Safety Assessment facilities.

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…
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