--- title: River Jobs — Open Roles, Pay and Visa Sponsorship description: Explore Charles River Laboratories careers and learn about its research models, discovery, safety assessment, and manufacturing services. type: company url: https://www.foundrole.com/companies/charles-river-laboratories date: 2026-11-13T20:04:16Z og_description: Learn how Charles River Laboratories supports drug, vaccine, and therapeutic development through research models, preclinical services, and manufacturing solutions. og_image: https://www.foundrole.com/og/qtiifl.png breadcrumbs: - label: Home url: https://www.foundrole.com/ - label: Sectors url: https://www.foundrole.com/sectors - label: Pharmaceuticals and Biotechnology url: https://www.foundrole.com/sectors/pharmaceuticals-and-biotechnology - label: Biotechnology Research url: https://www.foundrole.com/sectors/pharmaceuticals-and-biotechnology/biotechnology-research --- # River Jobs ![River](https://www.foundrole.com/img/dd/companies/pi40tm/m-criver-com.webp?v=1&utm_source=ai_markdown) Charles River Laboratories is a global life-sciences company and contract research organization supporting drug, vaccine, and therapeutic development. | | | |---|---| | **Headquarters** | Wilmington, Massachusetts | | **Size** | 10,001+ employees | | **Industry** | Biotechnology Research | | **Website** | https://www.criver.com/ | ## Open jobs at River - Sample Management Technician — Ashland, OH - Summer Intern Internal Audit — Wilmington, MA · Hybrid - Scientist I NGS Innovation — Wayne, PA - Cagewash Attendant I — Bethesda, MD - Supervisor Behavioral Services — Reno, NV - Associate Director Finance Network Profitability & Strategic Performance — Wilmington, MA · Remote - Veterinary Technician I — Ashland, OH - Security Officer — Reno, NV - Technician I Clinical Pathology — Ashland, OH - [Animal Care Technician I](https://www.foundrole.com/jobs/animal-care-technician-i-at-river-01a1411a-dcac-72bd-91e0-77929f6c749c?utm_source=ai_markdown) — 3 locations - Summer Intern Architectural Engineer, Facilities — Wilmington, MA · Remote - Summer Intern Surgery Support — Mattawan, MI - Summer Intern Clinical Pathology — Mattawan, MI - Summer Intern Archive — Ashland, OH - Summer Intern Marketing Operations Excellence — Wilmington, MA · Hybrid - Talent Acquisition Partner — Reno, NV · Hybrid - [Central Services Technician I](https://www.foundrole.com/jobs/cage-wash-technician-i-at-river-01a17b5f-2d86-7677-9fdd-192b69350c88?utm_source=ai_markdown) — 2 locations - Security Officer — Reno, NV - Research Analyst I, Analytical Chemistry — Shrewsbury, MA - Veterinary Technician I — Bethesda, MD ## Summary - Postings on employer career sites published Nov 1, 2025 – Nov 13, 2026: 721 - Median salary: $44K - Salary range (P25–P75): $38K – $51K - Remote share: 15.3% ## What should I know about River? ### About Headquartered in Wilmington, Massachusetts, it serves pharmaceutical, biotechnology, government, and academic customers across the discovery and development continuum. ### History Veterinarian Henry Foster founded Charles River in Boston in 1947 to supply laboratory animals to local researchers. The company moved its headquarters to Wilmington, Massachusetts, in 1955 and expanded internationally with a French production facility in 1966. After a period under Bausch & Lomb ownership, Charles River returned to independent ownership and later became publicly traded on the New York Stock Exchange. ### Markets and services Charles River supports therapeutic development through three connected lines: - Research Models and Services - supplies research models and associated support for biomedical studies. - Discovery and Safety Assessment - provides early discovery, testing, and preclinical safety services for drug candidates. - Manufacturing Solutions - offers testing and other services that help clients manufacture and release biologic and pharmaceutical products safely. - Founded: 1947 - Revenue: US$4.02 billion (full year 2025) - Ticker: CRL ## Jobs at River - [Administrative Support Specialist III at River](https://www.foundrole.com/jobs/administrative-support-specialist-iii-at-river-01a189f8-82e0-7054-b8c0-70f19f1f61ad?utm_source=ai_markdown) - [Cage Repair Technician at River](https://www.foundrole.com/jobs/cage-repair-technician-at-river-01a18b85-7250-75e6-b5a7-ed6e6d9f10fe?utm_source=ai_markdown) - [Research Technician Assistant I at River](https://www.foundrole.com/jobs/research-technician-assistant-i-at-river-01a18476-a4d7-7ede-a803-7b4916cbc1e5?utm_source=ai_markdown) - [Animal Care Technician at River](https://www.foundrole.com/jobs/animal-care-technician-at-river-01a1838a-e947-7b21-8792-b70718815e21?utm_source=ai_markdown) - [Animal Care Technician I at River](https://www.foundrole.com/jobs/animal-care-technician-i-at-river-01a17f08-ab41-76d0-873b-134d3cfd1c38?utm_source=ai_markdown) - [Animal Care Technician II at River](https://www.foundrole.com/jobs/animal-care-technician-ii-at-river-01a17e8f-a0f3-7aa3-a413-171b942f9bc9?utm_source=ai_markdown) - [Central Services Technician I at River](https://www.foundrole.com/jobs/cage-wash-technician-i-at-river-01a17b5f-2d86-7677-9fdd-192b69350c88?utm_source=ai_markdown) - [Animal Care Technician I at River](https://www.foundrole.com/jobs/animal-care-technician-i-at-river-01a17a6f-e3f5-7ff0-b177-00689c36c5f3?utm_source=ai_markdown) - [Animal Care Technician II at River](https://www.foundrole.com/jobs/animal-care-technician-ii-at-river-01a179ed-7853-7dae-91fb-8013fedb663e?utm_source=ai_markdown) - [Security Officer at River](https://www.foundrole.com/jobs/security-officer-at-river-01a179ed-7854-7a39-b9ed-3dd56a7155e9?utm_source=ai_markdown) - [Project Manager IV at River](https://www.foundrole.com/jobs/project-manager-iv-at-river-01a16b5a-0764-788f-80a2-79933ec6bfdf?utm_source=ai_markdown) - [Technician I, Histology at River](https://www.foundrole.com/jobs/technician-i-histology-at-river-01a0ed60-a89a-7b8d-900e-24436c8dcddb?utm_source=ai_markdown) - [Research Technician Assistant at River](https://www.foundrole.com/jobs/research-technician-assistant-at-river-01a16740-2094-722d-9810-da307972ff79?utm_source=ai_markdown) - [Animal Care Technician at River](https://www.foundrole.com/jobs/animal-care-technician-at-river-01a16740-2092-7c9c-8a90-46749320fe67?utm_source=ai_markdown) - [Scientific Coordinator at River](https://www.foundrole.com/jobs/scientific-coordinator-at-river-01a166cc-58ea-75d6-9dcb-a73375d0531e?utm_source=ai_markdown) - [Animal Care Technician at River](https://www.foundrole.com/jobs/animal-caretaker-i-at-river-01a16654-5a9c-728f-9155-22854ea22fca?utm_source=ai_markdown) - [Surgical Diagnostic Associate I at River](https://www.foundrole.com/jobs/surgical-diagnostic-associate-i-at-river-01a16078-96d6-739d-ab90-1ec987695bdd?utm_source=ai_markdown) - [Surgical Lab Technician I at River](https://www.foundrole.com/jobs/surgical-lab-technician-i-at-river-01a16078-96d7-72da-bf48-30f399eadc99?utm_source=ai_markdown) - [Animal Care Technician I at River](https://www.foundrole.com/jobs/animal-care-technician-i-at-river-01a15c57-5ddf-76ac-85af-47842618df84?utm_source=ai_markdown) - [Cage Wash Operator at River](https://www.foundrole.com/jobs/vivarium-support-technician-at-river-01a15be4-90ee-77fc-b79f-daa56e5a041b?utm_source=ai_markdown) - [Environmental Health Safety Specialist at River](https://www.foundrole.com/jobs/environmental-health-safety-specialist-at-river-01a15af2-5084-7d79-89e1-81c6a4ded97f?utm_source=ai_markdown) - [Animal Support Technician I at River](https://www.foundrole.com/jobs/animal-support-technician-i-at-river-01a1478c-6885-707c-8b81-dd482166da67?utm_source=ai_markdown) - [Animal Care Technician I at River](https://www.foundrole.com/jobs/animal-care-technician-i-at-river-01a1411a-dcac-72bd-91e0-77929f6c749c?utm_source=ai_markdown) - [Technician I Molecular Imaging at River](https://www.foundrole.com/jobs/technician-i-molecular-imaging-at-river-01a13b96-2945-7823-8b5a-6e87904d980f?utm_source=ai_markdown) - [Technical Trainer I at River](https://www.foundrole.com/jobs/technical-trainer-i-at-river-01a10e53-7c66-7cef-a0bb-20537c555cdb?utm_source=ai_markdown) - [Operations Manager at River](https://www.foundrole.com/jobs/operations-manager-at-river-01a10d68-82db-7974-b435-d4d68cf60855?utm_source=ai_markdown) - [Animal Support Technician I at River](https://www.foundrole.com/jobs/animal-support-technician-i-at-river-01a0feca-0b95-7ae8-a5ae-e2094c4b87ac?utm_source=ai_markdown) - [Animal Support Technician I at River](https://www.foundrole.com/jobs/animal-support-technician-i-at-river-01a0fa2f-5529-76f7-bf7b-5897de54bc39?utm_source=ai_markdown) - [Cagewash Attendant I at River](https://www.foundrole.com/jobs/cagewash-attendant-i-at-river-01a0eecd-8cec-779e-b66d-070365cfa508?utm_source=ai_markdown) - [Sample Management Technician I at River](https://www.foundrole.com/jobs/sample-management-technician-i-at-river-01a0ed5f-a441-7d67-99bc-934c9469f816?utm_source=ai_markdown) - [Cagewash Technician I at River](https://www.foundrole.com/jobs/cagewash-technician-i-at-river-01a0ed5b-3b75-7783-a36e-2bf4c11e65f3?utm_source=ai_markdown) ## Frequently Asked Questions ### Is River hiring in the US? Yes. River has 195 open jobs in the US right now, taken from its own careers site. Open a job to see its requirements and how to apply. ### What do the posted salaries at River cover? The median advertised annual pay is $43,680, based on 479 postings with pay from Nov 1, 2025 – Nov 13, 2026. These are the figures the employer advertises, not accepted offers or total compensation. ### Can I work remotely at River? River has 15 remote jobs in the US right now. Each job sets its own location and work eligibility requirements. ### Does River sponsor H-1B visas? No H-1B filings are linked to River in the U.S. Department of Labor disclosure data for FY2026 Q1 – FY2026 Q4. That is not a guarantee that the employer will refuse sponsorship; ask about the specific role. ### Why don’t some River jobs show pay? Some employer postings do not state a salary. Only postings with stated pay contribute to the pay comparison; a median requires at least 30 salaried postings. An estimate is labelled separately. ### How can I hear about new River jobs? Create a job alert for River to receive matching roles as they appear. Choose the frequency in your alert settings. ## Similar companies - [Frontage Laboratories jobs](https://www.foundrole.com/companies/frontage-laboratories?utm_source=ai_markdown) - [Regeneron jobs](https://www.foundrole.com/companies/regeneron?utm_source=ai_markdown) - [Biogen jobs](https://www.foundrole.com/companies/biogen?utm_source=ai_markdown) - [ICON plc jobs](https://www.foundrole.com/companies/icon-plc?utm_source=ai_markdown) - [Fortrea jobs](https://www.foundrole.com/companies/fortrea?utm_source=ai_markdown) - [Vertex Pharmaceuticals jobs](https://www.foundrole.com/companies/vertex-pharmaceuticals?utm_source=ai_markdown) - [Labcorp jobs](https://www.foundrole.com/companies/labcorp?utm_source=ai_markdown) - [Syneos Health jobs](https://www.foundrole.com/companies/syneos-health?utm_source=ai_markdown) - [IQVIA jobs](https://www.foundrole.com/companies/iqvia?utm_source=ai_markdown) - [Amgen jobs](https://www.foundrole.com/companies/amgen?utm_source=ai_markdown) [Browse all companies](https://www.foundrole.com/companies?utm_source=ai_markdown) ## Cities where River hires - [Reno, NV](https://www.foundrole.com/locations/us/nevada/reno?utm_source=ai_markdown) — 30 jobs - [Bethesda, MD](https://www.foundrole.com/locations/us/maryland/bethesda?utm_source=ai_markdown) — 13 jobs - [Baltimore, MD](https://www.foundrole.com/locations/us/maryland/baltimore?utm_source=ai_markdown) — 5 jobs - [Charleston, SC](https://www.foundrole.com/locations/us/south-carolina/charleston?utm_source=ai_markdown) — 4 jobs - [Raleigh, NC](https://www.foundrole.com/locations/us/north-carolina/raleigh?utm_source=ai_markdown) — 4 jobs - [San Diego, CA](https://www.foundrole.com/locations/us/california/san-diego?utm_source=ai_markdown) — 4 jobs - [Cambridge, MA](https://www.foundrole.com/locations/us/massachusetts/cambridge?utm_source=ai_markdown) — 3 jobs - [Newark, DE](https://www.foundrole.com/locations/us/delaware/newark?utm_source=ai_markdown) — 3 jobs - [Worcester, MA](https://www.foundrole.com/locations/us/massachusetts/worcester?utm_source=ai_markdown) — 3 jobs - [Boston, MA](https://www.foundrole.com/locations/us/massachusetts/boston?utm_source=ai_markdown) — 2 jobs ## Jobs at River by field - [Personal Services](https://www.foundrole.com/careers/personal-services?utm_source=ai_markdown) — 49 jobs - [Science & Research](https://www.foundrole.com/careers/science-and-research?utm_source=ai_markdown) — 47 jobs - [Healthcare & Medicine](https://www.foundrole.com/careers/healthcare-and-medicine?utm_source=ai_markdown) — 42 jobs ## Jobs at River by specialty - [Animal Care & Training](https://www.foundrole.com/careers/personal-services/animal-care-and-training?utm_source=ai_markdown) — 49 jobs - [Scientific Technicians](https://www.foundrole.com/careers/science-and-research/scientific-technicians?utm_source=ai_markdown) — 14 jobs - [Clinical Laboratory Science](https://www.foundrole.com/careers/healthcare-and-medicine/clinical-laboratory-science?utm_source=ai_markdown) — 14 jobs - [Research & Development](https://www.foundrole.com/careers/science-and-research/research-and-development?utm_source=ai_markdown) — 12 jobs ## Related pages - [Biotechnology Research](https://www.foundrole.com/sectors/pharmaceuticals-and-biotechnology/biotechnology-research?utm_source=ai_markdown) — 14150 jobs - [Pharmaceuticals and Biotechnology](https://www.foundrole.com/sectors/pharmaceuticals-and-biotechnology?utm_source=ai_markdown) — 56193 jobs - [Top H1B sponsors in Pharmaceuticals and Biotechnology](https://www.foundrole.com/h1b-sponsors/pharmaceuticals-and-biotechnology?utm_source=ai_markdown) - [Top H1B sponsors in Biotechnology Research](https://www.foundrole.com/h1b-sponsors/biotechnology-research?utm_source=ai_markdown) ## Browse - [Companies](https://www.foundrole.com/companies?utm_source=ai_markdown) - [Jobs by country](https://www.foundrole.com/locations?utm_source=ai_markdown) - [Jobs in the United States by state and city](https://www.foundrole.com/locations/us?utm_source=ai_markdown) - [H1B sponsors by location](https://www.foundrole.com/h1b-sponsors?utm_source=ai_markdown) - [H1B salaries](https://www.foundrole.com/h1b-salaries?utm_source=ai_markdown) - [Sectors and industries](https://www.foundrole.com/sectors?utm_source=ai_markdown) - [Jobs by career field](https://www.foundrole.com/careers?utm_source=ai_markdown) - [Latest jobs](https://www.foundrole.com/jobs/latest?utm_source=ai_markdown)