Analytical Development Principal Scientist, Microbiology & Viral Safety

Vertex Pharmaceuticals LLC; Boston (MA); Hybrid; USD 141,000 - 211,000; Full time

Benefits offered by this job

Annual bonus

Equity awards

Paid time off

Job summary

Vertex Pharmaceuticals LLC in Boston, MA seeks a Principal Scientist for Analytical Development focused on Microbiology & Viral Safety. You will lead assay development, qualification, validation, and lifecycle management while guiding regulatory submissions and interactions with health authorities.

The role demands deep expertise in adventitious agent safety, cross-functional collaboration, and strong scientific communication. On-site, five days per week.

Qualifications

• Advanced degree in Microbiology, Virology or related field with relevant industry experience.
• Experience in assay development, qualification, validation, transfer and lifecycle management.
• Strong regulatory knowledge and readiness for health authority interactions.

Responsibilities

• Serve as subject matter expert for microbiology and viral safety assays across programs.
• Lead development, qualification, validation, transfer and lifecycle management of assays.
• Provide guidance on risk assessment, testing strategies and regulatory milestones.
• Author dossiers, protocols and reports to support submissions and inspections.
• Drive rapid microbiological methods and collaborations with external labs.
• Represent the organization in scientific forums and industry consortia.
• Lead wet lab development activities and hands-on experimental work.

Skills

Microbiology

Virology

Adventitious agent safety

Regulatory submissions

Cross-functional collaboration

Scientific communication

Analytical leadership

Education

PhD in Microbiology/Virology

MS in a related field

Bachelor's with substantial experience

Job description

## Analytical Development Principal Scientist, Microbiology & Viral SafetyApply: Boston, MA: Full time: Posted Today: REQ-30101**Job Description**We are seeking a highly skilled Principal Scientist, Analytical Development – Microbiology & Viral Safety to provide strategic and technical leadership for microbiology and viral safety testing across multiple development programs. This role will serve as the subject matter expert for microbiological and virological assays, supporting control strategy development, process development, regulatory submissions, and commercial readiness. The ideal candidate will bring deep expertise in microbiological and virological risk assessment, as well as assay evaluation, development, qualification, validation, and lifecycle management. This individual will also demonstrate strong cross-functional collaboration skills and a passion for scientific innovation.**Key Duties and Responsibilities:*** Serve as the primary subject matter expert for microbiology and viral safety assays across cell and gene therapy and biologics programs, providing strategic and technical leadership to support development, manufacturing, and regulatory objectives* Lead the development, qualification, validation, transfer, implementation, and lifecycle management of microbiological assays, including mycoplasma, sterility, Gram stain, and endotoxin methods, as well as viral safety assays* Provide technical guidance to cross-functional teams on microbiological and virological risk assessment, assay selection, and testing strategies to support product development, process changes, investigations, and regulatory milestones* Author and review technical dossiers, validation plans, protocols, reports, and scientific justifications to support regulatory submissions, health authority interactions, and inspection readiness* Drive innovation in rapid and alternative microbiological methods to improve testing efficiency, strengthen manufacturing support, and enable scalable solutions for clinical and commercial programs* Lead the evaluation, development, validation, transfer, and implementation of rapid and alternative microbiological methods in collaboration with internal stakeholders and external testing laboratories* Represent the organization in external scientific forums, industry consortia, and collaborative initiatives to strengthen internal capabilities and advance best practices in adventitious agent safety* Lead wet lab development activities, including hands-on experimental work**Knowledge and Skills:*** Strong expertise in microbiology, virology, and adventitious agent safety* Strong knowledge of regulatory expectations for microbiological and viral safety testing for clinical and commercial products* Experience supporting regulatory submissions, inspections, and health authority interactions* Demonstrated ability to work effectively across cross-functional teams and with external partners* Strong written, verbal, and scientific communication skills* Experience in cell and gene therapy, biologics, or advanced therapy medicinal products (ATMPs)* Familiarity with rapid and alternative microbiological methods and implementation strategies* Participation in industry working groups, scientific forums, or consortia.* Strong understanding of GMP environments and manufacturing support requirements**Education and Experience:*** Advanced degree in Microbiology, Virology, Biological Sciences, Pharmaceutical Sciences, or a related field; PhD preferred, with MS candidates considered based on significant relevant experience* PhD and 4+ years, or Master's and 7+ years**,** or Bachelor's and 10+ years* Significant industry experience in assay development, qualification, validation, transfer, and lifecycle management At Vertex, we embrace continuous learning and encourage employees to stay informed on advances in AI, technology, automation, and industry trends. We seek talent who bring an external perspective, demonstrate curiosity and sound judgment, and thoughtfully adopt new capabilities that improve decision-making, drive innovation, increase efficiency, and help deliver better outcomes for patients.**Pay Range:**$140,800 - $211,200**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:**On-Site Designated**Flex Eligibility Status:**In this **On-Site** designated role, you will 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.#LI-Onsite