Vertex Pharmaceuticals Inc (US) Posted September 14, 2026

Analytical Development Principal Scientist, Microbiology & Viral Safety

Boston, United States Full time
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Vertex Pharmaceuticals Inc (US) is the source of truth for this posting and owns the application process. We surface normalized context and market comparison you won't find on the original listing.

About this opportunity

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

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

Job details

Seniority
Principal
Function
Manufacturing & CMC
Therapeutic area
Not listed
Location
Boston, United States
Employment type
Full time

How this role compares

Computed from every other active Manufacturing & CMC role in our database, not just this employer's listings.

We currently track 497 comparable Principal Manufacturing & CMC roles across 84 biopharma companies.

497Comparable roles tracked
483Currently active
84Companies hiring similar roles
32Countries represented

Salary context

208 of 497 peers report a salary range (USD, annualized)

Peers share this role's job function and a matching or adjacent seniority level -- not necessarily the same therapeutic area or country.

This roleSubject $140,800/yr – $211,200/yr
Lowest disclosed · Senior Manufacturing Technician · Genz. Therap Product LP $24/hr – $32/hr (≈ $49,920–$66,560/yr)
Peer group range $58,240 – $288,000 (median $150,600)

Where these roles are based

Top locations among the 497 comparable roles

United States322
India40
Ireland22
Netherlands20
Singapore8
United Kingdom8

+ 26 more countries

Seniority mix

497 of 497 peers have a known seniority level

Senior324
Principal91
Director82

Therapeutic area mix

3 of 497 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Vaccines & Infectious Disease2
Oncology1

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The closest matches from our peer group, ranked by how similar they are, not how well you'd qualify for them -- treat this as market context, not a guaranteed shortlist; a weak match is labeled as one below.

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Notify me about similar jobs

Get an email when we spot other openings like this one – same job function, comparable seniority, roles you'd actually want to see.

How we calculate "similar"

No black box, no LLM guesswork: a deterministic score built from four normalized attributes. Here's this role's own peer group at different match levels, so you can see the mechanism, not just the result.

Every comparison starts from the same 100-point budget: 25 for working in the same function, 40 for the same therapeutic area, 20 for the same or adjacent seniority, 15 for the same country. A dimension we can't confirm on both sides contributes nothing, never a guess, never a free pass.

60%
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Unmatched or unknown dimensions score exactly the same: 0 points, never a partial guess. A role we know almost nothing about beyond its function bottoms out at 25%; it never inflates to 100% just because there's little to compare against. Seniority uses a defined ladder (Associate → Manager → Associate Director → Senior → Principal → Director → Senior Director → Executive/VP) so "Director" and "Senior Director" count as adjacent, but "Director" and "Executive/VP" do not.