Toxicology Senior Research Fellow

Vertex Pharmaceuticals Incorporated
paid time off, 401(k)
United States, Massachusetts, Boston
50 Northern Avenue (Show on map)
Aug 16, 2025
Job Description General Summary: The Toxicology Senior Research Fellow is self-reliant with a proven record of accomplishments, both leading others, and independently identifying and solving complex problems using sophisticated scientific methods and analytical thought, across a number of critical and diverse projects. As a member of the Preclinical Safety Assessment (PSA) organization, this person will be responsible for the development of non-clinical safety, scientific and regulatory strategies, provide guidance, mentorship of PSA and VCGT staff, and preparation of high-quality reports and presentations. Key Duties and Responsibilities: Designs and performs sophisticated and complex, technically challenging experiments that impact the achievement of department and project goals PSA representative on Project and Development teams from compound selection through loss of exclusivity Responsible for development and alignment of nonclinical strategies to support clinical development of assigned projects Responsible for the planning, design, oversight, and communication of results from toxicology studies Responsible for lead authorship of internal and external regulatory documents/dossiers (IB, CTX, IND, NDA, briefing books, regulatory queries, expert report etc.) Address and resolve toxicologic issues in drug development programs, and assess the relevance of any toxicologic findings to human safety Conduct risk assessments for impurities, degradation products, novel excipients, and metabolites Communicate critical and significant project information to various bodies including PSA leadership, project teams and other Vertex leadership forums Prepares high quality reports and presentations to clearly communicate study plans and results to peers, management and project teams Keeps up to date with current literature and emerging industry trends in general pharmaceutical toxicology and therapeutics. Participates in relevant continuing education activities and drives own professional development. Build strong scientific collaborations with external groups within the academic & industrial sectors with the intent of enhancing Vertex's PSA capabilities Knowledge and Skills: Subject matter expertise in toxicology and the design and interpretation of in vitro and in vivo studies in common preclinical species Proficient knowledge of general toxicology, the design and interpretation of studies to support regulatory submissions Experience in the development of biologics and small molecules Excellent written, verbal communications and ability to persuade others presenting technical/scientific concepts to diverse audiences Strong problem solver who is highly organized with the ability to thrive and to lead in an environment with rapidly changing priorities Education and Experience: Bachelor's, Master's, or PhD in Toxicology, Pharmacology or a related life sciences Bachelor's degree and 15 years' experience or Master's degree and 12 years' experience or PhD and 9 years' experience #LI-BS1 Pay Range: $229,600 - $344,400 Disclosure Statement: The range provided is based on what we believe is a reasonable estimate for the base salary pay range for this job at the time of posting. This role is eligible for an annual bonus and annual equity awards. Some roles may also be eligible for overtime pay, in accordance with federal and state requirements. Actual base salary pay will be based on a number of factors, including skills, competencies, experience, and other job-related factors permitted by law. At Vertex, our Total Rewards offerings also include inclusive market-leading benefits to meet our employees wherever they are in their career, financial, family and wellbeing journey while providing flexibility and resources to support their growth and aspirations. From medical, dental and vision benefits to generous paid time off (including a week-long company shutdown in the Summer and the Winter), educational assistance programs including student loan repayment, a generous commuting subsidy, matching charitable donations, 401(k) and so much more. Flex Designation: Hybrid-Eligible Or On-Site Eligible Flex Eligibility Status: In this Hybrid-Eligible role, you can choose to be designated as: 1. Hybrid: work remotely up to two days per week; or select 2. On-Site: work five days per week on-site with ad hoc flexibility. Note: The Flex status for this position is subject to Vertex's Policy on Flex @ Vertex Program and may be changed at any time. Company Information Vertex is a global biotechnology company that invests in scientific innovation. Vertex is committed to equal employment opportunity and non-discrimination for all employees and qualified applicants without regard to a person's race, color, sex, gender identity or expression, age, religion, national origin, ancestry, ethnicity, disability, veteran status, genetic information, sexual orientation, marital status, or any characteristic protected under applicable law. Vertex is an E-Verify Employer in the United States. Vertex will make reasonable accommodations for qualified individuals with known disabilities, in accordance with applicable law. Any applicant requiring an accommodation in connection with the hiring process and/or to perform the essential functions of the position for which the applicant has applied should make a request to the recruiter or hiring manager, or contact Talent Acquisition at ApplicationAssistance@vrtx.com