Merck Posted September 18, 2026

Principal Medical Writer

North Wales, Pennsylvania, United States of America FULL_TIME
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About this opportunity

Job Description

The Clinical and Regulatory Strategic Communications (CRSC) department within Global Clinical Trial Operations (GCTO) creates and delivers high-quality regulated content in support of our development pipeline and enables data sharing for our customers. We are a strategic partner that ensures excellence and compliance with applicable laws while incorporating health literacy principles in the development of public-facing materials.

The Principal Medical Writer, in partnership with a project lead, leverages strategic and scientific expertise to develop, author, edit, and lead the review of accurate, clear, and compliant clinical, regulatory, and/or public‑facing documents, across multiple programs and therapeutic areas, in support of the company portfolio.

In this role, the Principal Medical Writer:

Is recognized as a subject matter expert in the design, planning, authoring, editing, and review of accurate, clear, high-quality documents that reflect applicable medical writing best practices (e.g., lean writing, health literacy) and evolving regulatory requirements

Is recognized as a strong scientific contributor and collaborator on cross-functional teams and demonstrates an understanding of team and project leadership responsibilities

Applies critical thinking, problem solving, and negotiation skills to implement innovative solutions to complex challenges across the medical writing scope of work (e.g., documents, content, processes, timelines, tools) while navigating project team dynamics

Provides program oversight by keeping project leads and/or management informed and escalates, as needed, issues that could impact timelines, quality, or compliance

Demonstrates expertise in medical writing-specific tools and technology platforms

Leads initiatives to improve medical writing processes and standards; may serve as a resource for this work internally and externally, as appropriate

Applies in-depth knowledge of clinical development, relevant regulations, disease areas, and company products. Demonstrates a developing understanding of the pharmaceutical industry beyond clinical research

Provides scientific and operational mentorship, coaching and/or project oversight to support other medical writers

May manage direct reports including workload, professional development, and performance management

Qualifications

Required: Bachelor’s degree or higher preferably in a health, scientific, or relevant discipline (e.g., life sciences, pharmacy, medicine, public health)

5+ years of relevant medical writing or industry experience

Required skills & experience

Experience managing complex writing projects in a deadline-driven environment and leading teams of medical writers and/or cross-functional team members

Ability to critically evaluate and interpret clinical data clearly, objectively, and in accordance with regulatory requirements and industry guidelines

Demonstrated critical thinking and problem-solving capabilities, with an ability to innovate, influence, and drive change

Demonstrated effective leadership across organizational levels, including conflict resolution, negotiation, navigating teams through ambiguity, and decision making

Excellent oral and written communication and presentation skills

Technical expertise in commonly used office applications (e.g., Microsoft Office Suite) shared document systems (e.g., SharePoint) and willingness to learn and adapt to emerging technology

Preferred skills & experience

Clinical and Regulatory Medical Writer (MW):

Experience independently preparing a various set of clinical regulatory documents (e.g., protocols, clinical study reports, clinical submission documents) in accordance with regulatory requirements and industry guidelines.

clinicaltrialjobs

Required Skills:

Adaptability, Clinical Studies, Clinical Trials Operations, Data Analysis, Good Clinical Practice (GCP), Health Literacy, Medical Writing, Project Management, Regulatory Compliance, Stakeholder Alignment, Standard Operating Procedure (SOP), Strategic Thinking

Preferred Skills:

Clinical Trials, Leadership, Regulatory Submissions, Technical Knowledge

Current Employees apply HERE

Current Contingent Workers apply HERE

US and Puerto Rico Residents Only:

Our company is committed to inclusion, ensuring that candidates can engage in a hiring process that exhibits their true capabilities. Please click here if you need an accommodation during the application or hiring process.

As an Equal Employment Opportunity Employer, we provide equal opportunities to all employees and applicants for employment and prohibit discrimination on the basis of race, color, age, religion, sex, sexual orientation, gender identity, national origin, protected veteran status, disability status, or other applicable legally protected characteristics.  As a federal contractor, we comply with all affirmative action requirements for protected veterans and individuals with disabilities.  For more information about personal rights under the U.S. Equal Opportunity Employment laws, visit:

EEOC Know Your Rights

EEOC GINA Supplement​

We are proud to be a company that embraces the value of bringing together, talented, and committed people with diverse experiences, perspectives, skills and backgrounds. The fastest way to breakthrough innovation is when people with diverse ideas, broad experiences, backgrounds, and skills come together in an inclusive environment. We encourage our colleagues to respectfully challenge one another’s thinking and approach problems collectively.

Learn more about your rights, including under California, Colorado and other US State Acts

The salary range for this role is

$142,400.00 - $224,100.00

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting. An employee’s position within the salary range will be based on several factors including, but not limited to relevant education, qualifications, certifications, experience, skills, geographic location, government requirements, and business or organizational needs.

The successful candidate will be eligible for annual bonus and long-term incentive, if applicable.

We offer a comprehensive package of benefits.  Available benefits include medical, dental, vision healthcare and other insurance benefits (for employee and family), retirement benefits, including 401(k), paid holidays, vacation, and compassionate and sick days. More information about benefits is available at https://jobs.merck.com/us/en/compensation-and-benefits .

You can apply for this role through https://jobs.merck.com/us/en (or via the Workday Jobs Hub if you are a current employee). The application deadline for this position is stated on this posting.

San Francisco Residents Only:  We will consider qualified applicants with arrest and conviction records for employment in compliance with the San Francisco Fair Chance Ordinance

Los Angeles Residents Only:  We will consider for employment all qualified applicants, including those with criminal histories, in a manner consistent with the requirements of applicable state and local laws, including the City of Los Angeles’ Fair Chance Initiative for Hiring Ordinance

Search Firm Representatives Please Read Carefully 

Merck & Co., Inc., Rahway, NJ, USA, also known as Merck Sharp & Dohme LLC, Rahway, NJ, USA, does not accept unsolicited assistance from search firms for employment opportunities. All CVs / resumes submitted by search firms to any employee at our company without a valid written search agreement in place for this position will be deemed the sole property of our company.  No fee will be paid in the event a candidate is hired by our company as a result of an agency referral where no pre-existing agreement is in place. Where agency agreements are in place, introductions are position specific. Please, no phone calls or emails.

Employee Status:

Regular

Relocation:

No relocation

VISA Sponsorship:

No

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

N/A

Job Posting End Date:

09/26/2026 *A job posting is effective until 11:59:59PM on the day BEFORE  the listed job posting end date. Please ensure you apply to a job posting no later than the day BEFORE the job posting end date.

Requisition ID:R418208

Job details

Seniority
Principal
Function
Clinical Development
Therapeutic area
Not listed
Location
North Wales, Pennsylvania, United States of America
Employment type
FULL_TIME

How this role compares

Computed from every other active Clinical Development role in our database, not just this employer's listings.

We currently track 440 comparable Principal Clinical Development roles across 66 biopharma companies.

440Comparable roles tracked
400Currently active
66Companies hiring similar roles
35Countries represented

Salary context

183 of 440 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 $142,400/yr – $224,100/yr
Peer group range $0 – $392,100 (median $251,050)

Where these roles are based

Top locations among the 440 comparable roles

United States275
India37
United Kingdom29
China10
Switzerland9
Germany8

+ 29 more countries

Seniority mix

440 of 440 peers have a known seniority level

Director251
Senior149
Principal40

Therapeutic area mix

96 of 440 peers have a known therapeutic area; the rest are genuinely unlabeled, not hidden

Oncology53
Neuroscience13
Immunology9
Cardiovascular / CVRM8
Respiratory6
Dermatology & Aesthetics3
Ophthalmology2
Vaccines & Infectious Disease1
Rare Disease1

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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.

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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.