Charles River Laboratories H-1B Visa Sponsorship Jobs USA
Charles River Laboratories sponsors H-1B visas for scientific and research professionals, with sponsorship concentrated in laboratory, preclinical research, and life sciences roles. It's a recognized sponsor in the contract research organization space, making it a viable target for international candidates with specialized scientific backgrounds.
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Get Access To All JobsReq ID #: 234059
Location: Horsham, PA, US
Shift: 1st
Job Type: Full time
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 histology laboratory procedures. Participate in the documentation of all activities as required. Assist with shipping and receiving of samples.
Job Description
ESSENTIAL DUTIES AND RESPONSIBILITIES:
- Assist with and perform basic histology procedures (trimming, processing, embedding, microtomy, staining, and coverslipping).
- Receive samples, complete tracking documentation, and prepare pathology materials and data for shipment and archiving.
- Perform all other related duties as assigned.
The pay range for this position is $22.00/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.) required. Associate’s degree (A.A./A.S.) or equivalent in a biological science preferred.
Experience: 1 year of pathology laboratory experience. An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
Certification/Licensure: None.
Other: Placement at this level requires successful completion/competency of the required tasks of the position preceding this level and continued ability to perform those tasks are required. Must be able to perform effectively as a team member, accurately record data, follow verbal and written instructions, maintain a positive work atmosphere, communicate effectively, and interact in a professional manner with management, coworkers, and sponsors. Must be able to differentiate normal from abnormal tissue and know correct anatomic terms. Experience with computer software programs is preferred.
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 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 worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.
We’re committed to providing benefits that elevate your quality of life. Based on your position these may include:
- bonus/incentives based on performance
- 401K
- paid time off
- stock purchase program
- Health and wellness coverage
- employee and family wellbeing support programs
- work life balance flexibility
Equal Employment Opportunity
Charles River is an equal opportunity employer and is committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws.
It is unlawful in some states (including Massachusetts) to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
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 crrecruitment_US@crl.com. This contact is for accommodation requests for individuals with disabilities only and cannot be used to inquire about the status of applications.
Req ID #: 234059
Location: Horsham, PA, US
Shift: 1st
Job Type: Full time
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 histology laboratory procedures. Participate in the documentation of all activities as required. Assist with shipping and receiving of samples.
Job Description
ESSENTIAL DUTIES AND RESPONSIBILITIES:
- Assist with and perform basic histology procedures (trimming, processing, embedding, microtomy, staining, and coverslipping).
- Receive samples, complete tracking documentation, and prepare pathology materials and data for shipment and archiving.
- Perform all other related duties as assigned.
The pay range for this position is $22.00/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.) required. Associate’s degree (A.A./A.S.) or equivalent in a biological science preferred.
Experience: 1 year of pathology laboratory experience. An equivalent combination of education and experience may be accepted as a satisfactory substitute for the specific education and experience listed above.
Certification/Licensure: None.
Other: Placement at this level requires successful completion/competency of the required tasks of the position preceding this level and continued ability to perform those tasks are required. Must be able to perform effectively as a team member, accurately record data, follow verbal and written instructions, maintain a positive work atmosphere, communicate effectively, and interact in a professional manner with management, coworkers, and sponsors. Must be able to differentiate normal from abnormal tissue and know correct anatomic terms. Experience with computer software programs is preferred.
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 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 worked on 80% of the drugs approved by the U.S. Food and Drug Administration (FDA) in the past five years.
We’re committed to providing benefits that elevate your quality of life. Based on your position these may include:
- bonus/incentives based on performance
- 401K
- paid time off
- stock purchase program
- Health and wellness coverage
- employee and family wellbeing support programs
- work life balance flexibility
Equal Employment Opportunity
Charles River is an equal opportunity employer and is committed to providing equal employment opportunities for all qualified applicants and employees without regard to race, color, sex, religion, national origin, ancestry, age, mental or physical disability, family status, pregnancy, military or veteran status, or any other characteristic protected by federal, state, or local laws.
It is unlawful in some states (including Massachusetts) to require or administer a lie detector test as a condition of employment or continued employment. An employer who violates this law shall be subject to criminal penalties and civil liability.
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 crrecruitment_US@crl.com. 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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Get Access To All JobsTips for Finding Charles River Laboratories H-1B Jobs
Target scientific and research roles directly
Charles River Labs focuses H-1B sponsorship on roles requiring specialized scientific expertise, including lab scientists, toxicologists, pathologists, and research associates. Prioritizing positions with clear degree requirements in biology, chemistry, or veterinary sciences strengthens your sponsorship case significantly.
Understand the contract research organization model
Charles River operates as a CRO, meaning project-based work and client deliverables drive hiring. Demonstrating familiarity with GLP compliance, preclinical study design, or regulatory submissions signals you can contribute immediately, which makes sponsorship a more straightforward decision for hiring managers.
Engage early in the hiring process about sponsorship
H-1B sponsorship requires employer action before the April lottery window. When you reach the offer stage, confirm Charles River's willingness to file early. Recruiters at established sponsors like Charles River are familiar with the process, so this conversation rarely comes as a surprise.
Use verified sponsorship data when applying
Not every job listing clearly states H-1B sponsorship eligibility. Migrate Mate surfaces verified sponsors so you can filter by real sponsorship history, helping you focus your applications on Charles River roles where international candidates have a realistic path forward.
Align your credentials with specialty occupation standards
USCIS requires H-1B roles to qualify as specialty occupations tied to a specific degree field. For Charles River positions, ensure your degree directly corresponds to the advertised role, whether that's toxicology, microbiology, pharmacology, or a related scientific discipline.
Prepare for a technical interview process
Charles River's hiring in science and research roles involves detailed technical assessments. Coming prepared with knowledge of in vivo or in vitro study methodologies, regulatory frameworks like FDA GLP guidelines, or species-specific expertise demonstrates the specialized value that supports the H-1B specialty occupation argument.
Charles River Laboratories H-1B Visa Sponsorship: Frequently Asked Questions
Does Charles River Laboratories sponsor H-1B visas?
Yes, Charles River Laboratories sponsors H-1B visas. The company has an established record of sponsoring international candidates, particularly for scientific and research roles that require specialized expertise. Sponsorship is most common in laboratory sciences, preclinical research, pathology, and regulatory affairs, where the specialty occupation requirement is clearly met by the role's degree demands.
Which roles and departments at Charles River Laboratories are most likely to receive H-1B sponsorship?
H-1B sponsorship at Charles River is concentrated in roles with clear specialty occupation credentials. Lab scientists, research associates, toxicologists, veterinary pathologists, bioanalytical chemists, and regulatory affairs specialists are among the positions most commonly sponsored. Departments supporting preclinical drug development and GLP-compliant study execution tend to drive the majority of sponsorship activity.
How does the H-1B application process work at Charles River Laboratories?
Once Charles River extends an offer and confirms sponsorship, their legal or HR team files a Labor Condition Application with the Department of Labor, then submits the H-1B petition to USCIS. The petition must be filed during the annual cap registration window each March. Charles River's familiarity with the process means the steps are well-established internally, though timelines depend on USCIS processing choices.
How do I improve my chances of securing H-1B sponsorship at Charles River Laboratories?
Focus on roles where your degree field directly matches the position's scientific discipline, since that alignment is the foundation of any H-1B specialty occupation claim. Migrate Mate can help you identify Charles River postings where international sponsorship has historically been offered, so you're applying to the right openings from the start rather than filtering after the fact.
What timeline should I expect for H-1B sponsorship at Charles River Laboratories?
The H-1B process follows USCIS's annual cap cycle, with registration opening in March and approved petitions taking effect October 1 at the earliest. From offer to authorization, the process typically spans several months depending on whether premium processing is used. Candidates on OPT can often begin work before H-1B approval through cap-gap provisions, which Charles River's HR team should be able to walk you through.
What is the prevailing wage for H-1B jobs at Charles River Laboratories?
H-1B employers must pay at least the prevailing wage, which is determined when they file the Labor Condition Application with the Department of Labor. The rate is based on the role, location, and experience level, and ensures international hires are paid comparably to U.S. workers in the same position. You can look up prevailing wage rates for any occupation and location using the DOL's OFLC Wage Search tool.