Laboratory Technician Jobs at Charles River Laboratories with Visa Sponsorship
Charles River Laboratories hires Laboratory Technicians across its preclinical and contract research operations, supporting drug safety, toxicology, and in vivo study work. The company has a consistent track record of sponsoring work visas for qualified candidates in laboratory and scientific roles.
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Req ID #: 233246
Location: Houston, TX, US
Job Type: Full time
Shift: 1st
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
This is an entry-level position where you can gain experience and begin your career in life sciences. Training provided!
As a Primate Technician I, you will be responsible for the daily care of research animals. Your contribution will ensure the health and well-being of our animals, as well as impact the lives of patients across the world.
Training schedule: Monday – Friday, 6:15am – 2:45pm
Permanent schedule: Sunday – Thursday or Tuesday – Saturday, 5:45am – 2:15pm
Responsibilities:
- Providing food and water
- Inspect feeding and watering devices for proper function
- Cleaning and sanitizing cages and enclosures
- Observe animals for overall health and wellbeing
- Assisting with the movement of animals
- Log animal care data and maintain accurate records
- Other assigned duties, including restocking supplies
Work Environment & Physical Demands:
- Work is performed in a warm, climate controlled environment.
- PPE (protective equipment) includes regular use of surgical mask, cap, goggles, face shield, scrubs, and boots.
- The warm setting, physicality of the job duties, and use of personal protective equipment (PPE), when combined, frequently cause employees to become hot and sweaty.
- Job duties require employee to regularly stoop, crouch, kneel, and reach up with hands and arms to perform repetitive tasks, and walk and stand for extended periods of time.
- Employee must be able to regularly lift, hold and/or move up to 50 pounds.
Job Qualifications
If you possess the following qualities, we will train you in the rest:
- High School Diploma or GED preferred, but not required
- Animal care experience preferred
- Previous experience in a physically demanding role
- Previous experience maintaining records and complying with regulations and Standard Operating Procedures (SOPs)
- Strong attention to detail
- Enjoys being part of a team
- Flexible and available to work holidays (on rotational basis) and overtime as needed
The starting pay for this position is $17.75 per hour.
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.
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 120 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 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 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 #: 233246
Location: Houston, TX, US
Job Type: Full time
Shift: 1st
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
This is an entry-level position where you can gain experience and begin your career in life sciences. Training provided!
As a Primate Technician I, you will be responsible for the daily care of research animals. Your contribution will ensure the health and well-being of our animals, as well as impact the lives of patients across the world.
Training schedule: Monday – Friday, 6:15am – 2:45pm
Permanent schedule: Sunday – Thursday or Tuesday – Saturday, 5:45am – 2:15pm
Responsibilities:
- Providing food and water
- Inspect feeding and watering devices for proper function
- Cleaning and sanitizing cages and enclosures
- Observe animals for overall health and wellbeing
- Assisting with the movement of animals
- Log animal care data and maintain accurate records
- Other assigned duties, including restocking supplies
Work Environment & Physical Demands:
- Work is performed in a warm, climate controlled environment.
- PPE (protective equipment) includes regular use of surgical mask, cap, goggles, face shield, scrubs, and boots.
- The warm setting, physicality of the job duties, and use of personal protective equipment (PPE), when combined, frequently cause employees to become hot and sweaty.
- Job duties require employee to regularly stoop, crouch, kneel, and reach up with hands and arms to perform repetitive tasks, and walk and stand for extended periods of time.
- Employee must be able to regularly lift, hold and/or move up to 50 pounds.
Job Qualifications
If you possess the following qualities, we will train you in the rest:
- High School Diploma or GED preferred, but not required
- Animal care experience preferred
- Previous experience in a physically demanding role
- Previous experience maintaining records and complying with regulations and Standard Operating Procedures (SOPs)
- Strong attention to detail
- Enjoys being part of a team
- Flexible and available to work holidays (on rotational basis) and overtime as needed
The starting pay for this position is $17.75 per hour.
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.
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 120 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 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 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 Laboratory Technician Jobs at Charles River Laboratories Jobs
Align Your Credentials to CRL Study Types
Charles River runs GLP-compliant toxicology and safety pharmacology studies. Highlighting hands-on experience with in vivo procedures, necropsy, or histology sample prep in your resume signals direct fit for their core lab technician workflows.
Prioritize Sites With High Lab Technician Turnover
Charles River operates dozens of preclinical facilities across the U.S. Research which sites are actively hiring Laboratory Technicians, as facilities in states like Massachusetts, Michigan, and Nevada tend to recruit most consistently for bench-level roles.
Clarify OPT Start Dates Before Accepting an Offer
F-1 OPT authorization must align with your DSO-reported start date. If Charles River's onboarding timeline shifts, even by a week, confirm your I-20 reflects the updated date before your first day to avoid a status gap.
Understand the H-1B Cap-Exempt Advantage
Contract research organizations like Charles River are not cap-exempt, so H-1B petitions go through the annual lottery. Time your application cycle accordingly and confirm your employer is filing by the April 1 registration deadline.
Browse Open Roles Before Reaching Out to Recruiters
Use Migrate Mate to filter Laboratory Technician openings at Charles River Laboratories by visa type. Applying to roles already listed as sponsorship-eligible strengthens your position and reduces back-and-forth with hiring teams about immigration support.
Laboratory Technician at Charles River Laboratories jobs are hiring across the US. Find yours.
Find Laboratory Technician at Charles River Laboratories JobsFrequently Asked Questions
Does Charles River Laboratories sponsor H-1B visas for Laboratory Technicians?
Yes, Charles River Laboratories sponsors H-1B visas for Laboratory Technician roles. Because Charles River is a for-profit contract research organization, its petitions are subject to the annual H-1B cap and lottery. Candidates should plan around the USCIS registration window, which opens in March each year, and confirm sponsorship intent early in the hiring process.
Which visa types are commonly used for Laboratory Technician roles at Charles River Laboratories?
Laboratory Technicians at Charles River are commonly sponsored under H-1B, F-1 OPT, F-1 CPT, TN, and EB-2 or EB-3 immigrant visa categories. F-1 OPT and CPT are typical entry points for recent graduates, while H-1B and TN cover longer-term employment. EB-2 and EB-3 green card sponsorship is available for candidates in more senior or specialized technician roles after establishing tenure.
What qualifications and experience does Charles River Laboratories expect for Laboratory Technician roles?
Most Laboratory Technician roles at Charles River require a bachelor's degree in a life science field such as biology, biochemistry, or animal science, plus hands-on laboratory experience. Familiarity with GLP regulations, in vivo study support, necropsy procedures, or histology processing is a strong differentiator. Some sites also prefer candidates with AALAS certification or direct contract research experience.
How do I apply for Laboratory Technician jobs at Charles River Laboratories?
You can browse Laboratory Technician openings at Charles River Laboratories through Migrate Mate, which filters roles specifically by visa sponsorship type so you can identify positions where H-1B, OPT, or TN support is already confirmed. Once you identify a target role, apply directly through Charles River's careers portal and flag your visa status in your application or initial recruiter screen.
How long does the visa sponsorship process take for a Laboratory Technician at Charles River Laboratories?
Timeline depends on the visa category. F-1 OPT authorization from USCIS currently takes up to three to five months, so apply early relative to your graduation date. H-1B petitions filed in April have an October 1 start date if selected in the lottery. EB-3 green card sponsorship through PERM labor certification typically runs 18 to 36 months from filing to an approved immigrant petition, not including priority date wait times.
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