Welcome to Haleon. We’re a purpose-driven, world-class consumer company putting everyday health in the hands of millions. In just three years since our launch, we’ve grown, evolved and are now entering an exciting new chapter – one filled with bold ambitions and enormous opportunity.

Our trusted portfolio of brands – including Sensodyne®, Panadol®, Advil®, Voltaren®, Theraflu®, Otrivin®, and Centrum® – lead in resilient and growing categories. What sets us apart is our unique blend of deep human understanding and trusted science.

Now it’s time to fully realise the full potential of our business and our people. We do this through our Win as One strategy. It puts our purpose – to deliver better everyday health with humanity – at the heart of everything we do. It unites us, inspires us, and challenges us to be better every day, driven by our agile, performance-focused culture.

About the Role

A career in Toxicology where none of us stand still. 

Toxicology is one of five key functions within Haleon's Clinical Development organization and plays a critical role in supporting the safety of ingredients and products across our portfolio. The team partners closely with Regulatory Affairs, CMC, Consumer Safety, and other R&D functions to generate scientific evidence, support regulatory submissions, and ensure ingredient safety. The role also provides exposure to how toxicology supports product development, innovation, and consumer safety across a global organization.  

As a Toxicology Co-op, you will support projects focused on toxicology information management, scientific documentation, literature review, and regulatory support activities. You will help organize and maintain toxicology data and reports, contribute to the development of ingredient monographs, and assist with projects that improve how safety information is collected, stored, and utilized across the organization.  

What will your individual contribution at Haleon be? 

With guidance from Toxicology Associate Directors and Senior Toxicologists, you will: 

• Review, evaluate, and summarize scientific literature and toxicological data on ingredients and impurities.  

• Assist with updating toxicology ingredient monographs and identifying data gaps. 

• Support the organization, cataloging, and migration of toxicology documents and historical study files.  

• Conduct literature searches and assist with updating reports to ensure information remains current and accurate. 

• Contribute to the preparation and maintenance of scientific and regulatory documentation.  

• Collaborate with colleagues across Toxicology, Regulatory Affairs, CMC, and other R&D functions on documentation and information management projects.  

• Support initiatives that improve the accessibility, organization, and quality of toxicology information and records.  

Essential Qualifications 

• Currently pursuing a Bachelor's or Master's degree in Toxicology, Pharmacology, Biology, Chemistry, Biochemistry, Public Health, or a related scientific discipline. 

• Expected graduation date between December 2027 and May 2028. 

• Strong written, verbal, and interpersonal communication skills. 

• Demonstrated organizational skills and attention to detail. 

• Ability to manage multiple priorities and work effectively in a collaborative environment. 

Preferred Qualifications 

• Interest in toxicology, consumer safety, regulatory science, or product development. 

• Strong analytical and problem-solving skills. 

• Demonstrated initiative, curiosity, and the ability to work independently. 

Eligibility and Program Requirements: 

• This internship requires working at the designated location. Candidates requiring relocation are responsible for arranging and funding their own housing, transportation, and relocation needs. 

• Candidate must be able to work full-time (40 hours/ week) Monday-Friday ~8am-5pm for 6 months. 

• Candidate must be authorized to work in the United States and will not require sponsorship in the future. Work authorization documentation will be required during the application process. 

• The position is based in Warren, NJ requiring an in-office presence of 3 days per week 

Expected start date: Jan 2027   

Compensation for this internship is based on academic standing and degree program: 

• Freshman: $20.00/hour 

• Sophomore: $22.50/hour 

• Junior: $24.50/hour 

• Senior: $26.00/hour 

• Master's Student (Non-Engineering): $28.00/hour 

• Master's Student (Engineering): $30.00/hour 

Job Posting End Date

Equal Opportunities

Haleon are committed to mobilising our purpose in a way that represents the diverse consumers and communities who rely on our brands every day. It guides us in creating an inclusive culture, where different backgrounds and views are valued and respected – all in support of understanding and best serving the needs of our consumers and unleashing the full potential of our people. It’s important to us that Haleon is a place where all our employees feel they truly belong.

During the application process, we may ask you to share some personal information, which is entirely voluntary. This information ensures we meet certain regulatory and reporting obligations and supports the development, refinement, and execution of our inclusion and belonging programmes that are open to all Haleon employees. 

The personal information you provide will be kept confidential, used only for legitimate business purposes, and will never be used in making any employment decisions, including hiring decisions.

Please note that if you are a US Licensed Healthcare Professional or Healthcare Professional as defined by the laws of the state issuing your license, Haleon may be required to capture and report expenses Haleon incurs, on your behalf, in the event you are afforded an interview for employment. This capture of applicable transfers of value is necessary to ensure Haleon’s compliance to all federal and state US Transparency requirements.

Accommodation Requests

If you require a reasonable accommodation or other assistance to apply for a job at Haleon at any stage of the application process, please contact us by sending an email to [email protected]. Please include the following in your email: 

Use subject line: ‘Haleon Careers: Job Accommodation Request’ 

Your Name and contact information 

Requisition ID and Job Title you are interested in 

Location of Requisition (city/state or province/country) 

Description of specific accommodation you are requesting 

Please note: Resumes, CVs, or other requests outside of accommodation support submitted to this email box will not be accepted.

Note to candidates

The Haleon recruitment team will contact you using a Haleon email account (@haleon.com). If you are not sure whether the email you received is from Haleon, please get in touch.