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Principal Scientist Jobs (NOW HIRING)

Principal Scientist, Biologics, Sterile Drug Product Commercialization As part of Our Company's Manufacturing Division, the Sterile Drug Product Commercialization group provides the technical process ...

How about this one? We're seeking an Principal Scientist to work with one of our top global biopharmaceutical clients in the Carolina, PR area. With us, it's all about finding the job that's just ...

The Principal Scientist serves as a subject matter expert and technical leader, driving innovation and high-impact research and development initiatives across dental chemical consumables. This role ...

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Position Overview The Principal Scientist, X-ray Crystallography, will play a foundational role in establishing and leading the organization's crystallography capability. This is a unique opportunity ...

Principal Scientist

Mundelein, IL ยท On-site

$116K - $174K/yr

Job Summary The Principal Scientist is responsible for contributing to the development and support of products and technologies within the Chemistry R&D group at Medline. The ideal candidate will ...

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Position Overview The Principal Scientist, X-ray Crystallography, will play a foundational role in establishing and leading the organization's crystallography capability. This is a unique opportunity ...

Job Summary The Principal Scientist is responsible for contributing to the development and support of products and technologies within the Chemistry R&D group at Medline. The ideal candidate will ...

Job Summary The Principal Scientist is responsible for contributing to the development and support of products and technologies within the Chemistry R&D group at Medline. The ideal candidate will ...

As a Principal Scientist on the KCAS BioPharma services team, you get to further our mission as a core technical expert in quantifying proteins and anti-drug antibodies. You will provide oversight in ...

As a Principal Scientist at CAI, you will play an integral part of the machine learning team, which consists of data scientists, psychometricians, linguists, and software engineers. Our team focuses ...

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Principal Scientist information

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$68.5K

$144K

$190.5K

How much do principal scientist jobs pay per year?

As of Jun 9, 2026, the average yearly pay for principal scientist in the United States is $144,009.00, according to ZipRecruiter salary data. Most workers in this role earn between $117,500.00 and $169,000.00 per year, depending on experience, location, and employer.

What Is a Principal Scientist?

A principal scientist takes the lead in research and development on a project. Staff researchers turn to the principal scientist for guidance and direction. As a principal scientist, your job duties include developing the research strategies to be used on the project, directing the research of staff scientists assigned to the project, and monitoring the progress of the study. The principal scientist may also be required to report progress to management and the funding organization.

What is the difference between Principal Scientist vs Senior Scientist?

AspectPrincipal ScientistSenior Scientist
Required CredentialsAdvanced degrees (PhD or equivalent), extensive research experienceMaster's or PhD, significant research background
Work EnvironmentLeads research projects, strategic planning, cross-functional collaborationConducts experiments, data analysis, supports project goals
Employer & Industry UsageResearch institutions, biotech, pharma, tech companiesResearch labs, R&D departments in similar industries

The main difference between a Principal Scientist and a Senior Scientist lies in their level of responsibility and scope. Principal Scientists typically lead research initiatives, set strategic directions, and have more experience, while Senior Scientists focus on executing research tasks and supporting project objectives. Both roles require advanced degrees and research expertise, but Principal Scientists hold a higher leadership and strategic role within organizations.

What are Principal Scientists?

Principal Scientists are senior-level research professionals who lead scientific projects and teams within organizations such as research institutes, pharmaceutical companies, or technology firms. They are responsible for designing experiments, overseeing research operations, mentoring junior scientists, and ensuring the quality and innovation of scientific output. Principal Scientists often serve as subject matter experts and play a key role in strategic decision-making, grant writing, and publishing research findings. Their work significantly influences the direction and success of scientific initiatives.

What are the key skills and qualifications needed to thrive as a Principal Scientist, and why are they important?

To thrive as a Principal Scientist, you need advanced expertise in your scientific discipline, a doctoral degree (PhD or equivalent), and a solid track record of research accomplishments. Familiarity with specialized laboratory equipment, data analysis software, and compliance with regulatory standards is typically required. Strong leadership, project management, and communication skills are essential for mentoring teams and collaborating across departments. These competencies enable Principal Scientists to drive innovation, ensure scientific rigor, and deliver impactful research outcomes.

How does a Principal Scientist typically collaborate with cross-functional teams in a research organization?

Principal Scientists often serve as key liaisons between research, development, and business units. They lead project teams, facilitate knowledge sharing, and ensure scientific strategies align with organizational goals. Collaboration may involve guiding junior scientists, working with regulatory affairs, and coordinating with manufacturing or quality assurance departments to translate research findings into practical applications. Effective communication and leadership skills are essential, as Principal Scientists must synthesize diverse perspectives to drive projects forward.
What cities are hiring for Principal Scientist jobs? Cities with the most Principal Scientist job openings:
What are the most commonly searched types of Principal Scientist jobs? The most popular types of Principal Scientist jobs are:
Who are the top companies hiring for Principal Scientist jobs? The top employers for Principal Scientist jobs are:
What states have the most Principal Scientist jobs? States with the most job openings for Principal Scientist jobs include:
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Infographic showing various Principal Scientist job openings in the United States as of June 2026, with employment types broken down into 1% As Needed, 64% Full Time, 30% Part Time, 4% Contract, and 1% Nights. Highlights an 94% Physical, 2% Hybrid, and 4% Remote job distribution, with an average salary of $144,009 per year, or $69.2 per hour.
Principal Scientist, Engineering

Principal Scientist, Engineering

MSD

West Point, PA โ€ข On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

Posted 19 days ago


Job description

Job Description

Principal Scientist, Biologics, Sterile Drug Product Commercialization

As part of Our Company's Manufacturing Division, the Sterile Drug Product Commercialization group provides the technical process leadership and laboratory capabilities for late stage and commercial drug product processes for biologics.

It is the division's leader in sterile product and process development, responsible for late-stage commercialization activities including process scale up, technology transfer to internal and external sites, process validation, authoring of regulatory submissions and support of significant manufacturing investigations. The group is responsible for establishing the science, engineering and knowledge required for today's innovative and accelerated commercialization of biologics and combination products.

We are seeking an experienced Principal Scientist to advance and commercialize biologics pipeline programs. As a member of the drug product team, the Principal Scientist will have a key focus on driving excellence in process characterization, scale up, transfer and process validation activities.

Accountabilities and Responsibilities for this position include but are not limited to the following:

  • Execute and provides oversight to biologics product and process design, development, characterization, technology transfer, and robust commercial validation

  • Leads and/or serves on cross functional biologics drug product (DP) working groups and manages DP activities through filing and Process Performance Qualification (PPQ), including registration stability study execution, process characterization plan and execution, tech transfer control strategy, process development, PPQ readiness, PAI (PreApproval Inspection) readiness, approval, launch and postlaunch support.

  • Ensures commercialization programs meet requirements related to science, quality, reliability, schedule, and cost.

  • Drives strategic initiatives (technical and/or business process related) in the department and with partner groups, that enable more efficient and rapid commercialization of innovative products

  • Provides mentorship, technical oversight and strategic guidance to employees. Uses advanced experience gained on scientific/technical issues to guide others to address non routine and/or difficult issues.

  • Develops a process and product development plan. Influences decisions related to primary packaging and combination product design.

  • Responsible for the design and execution of DP development and commercialization studies, new product introduction and process validation at commercial sites.

  • Ensures fit-for-purpose scale-down models are developed and employed. Establishes and validates platform engineering and scientific models for sterile product and process commercialization.

  • Innovates and drives best practices for commercial site tech transfer, facility fit and development of the DP control strategy. Includes the classification of process parameters, performance parameters, operating ranges, in-process controls. Drives and influences process demonstration and qualification (PPQ) and shelf-life strategies.

  • Influences CMC regulatory strategy and is accountable for DP CMC sections of filing. Reviews regulatory strategy and filing readiness and supports preparations for agency meetings. Authors and reviews regulatory submissions.

  • Drives continuous and phase appropriate process optimization towards standardized platforms for liquid, lyophilized, and combination product presentations.

  • Establishes and fosters a culture of high performance, out of the box thinking, innovation and learning, empowerment, diversity and inclusion.

Travel:

This position may require travel up to 25%; Must be able to travel for this position.

Position Qualifications:

Education Minimum Requirements

  • B.S. in Chemical Engineering, Biochemical Engineering Bio-engineering, Pharmaceuticals, Biochemistry, Microbiology, or related field with 12 years of relevant experience; or

  • Master's degree in Chemical Engineering, Biochemical Engineering Bio-engineering, Pharmaceuticals, Biochemistry, Microbiology, or related field with 10 years of relevant experience; or

  • Ph.D. in Chemical Engineering, Biochemical Engineering Bio-engineering, Pharmaceuticals, Biochemistry, Microbiology, or related field with 8 years of relevant experience

Required Experience and Skills:

  • Experience with drug product process development, optimization, and/or process characterization of biologics (mAbs, ADCs and/or fusion proteins)

  • Experience with at scale biologics drug product manufacturing and fill finish operations

  • Experience with late-stage commercialization of biologics programs

  • Technical expertise in sterile drug product fill finish related manufacturing processes for large molecules, including laboratory and/or fundamental models for key unit operations.

  • Experience with technology transfer and scale-up of processes to pilot and/or manufacturing scales.

  • Excellent oral and written communication skills. Ability to effectively articulate understanding of process science, in order to drive decision making, impact assessments, design of studies, etc, in a multi-disciplinary team environment

Preferred Experience and Skills

  • Experience in biologics drug product fill finish process optimization, scale-up and technology transfer of sterile products to pilot/commercial

  • Operations experience in the manufacturing of potent and sterile drug products, at pilot and/or commercial scale.

  • Experience with commercialization of biologics programs through PPQ and launch

  • Working knowledge in analytical methods and product attributes for biologics

  • Working knowledge of regulatory requirements for commercialization and registration of sterile drug products, including application of Quality by Design principles

  • Working knowledge of current Good Manufacturing Practices (cGMPs) for manufacturing of sterile dosage forms and current ICH Quality norms, as applied in Manufacturing Science and Technology or Technical Operations.

  • Working knowledge of statistical methods for DOE design and data analysis, statistical process control (SPC), multivariate analysis (MVA), and/or process analytical technologies (PAT) techniques for manufacturing processes

  • Experience in Data Analytics, Computer Modeling, and Digital Applications.

  • Working understanding of analytical methods to characterize biologics and other sterile drug products

Required Skills:

Accountability, Accountability, Biochemistry, Biologics, Biomedical Engineering, Biopharmaceuticals, Chemical Engineering, Clinical Manufacturing, Cross-Functional Teamwork, Decision Making, Design Management, Driving Continuous Improvement, Drug Product Development, Drug Product Manufacturing, Good Manufacturing Practices (GMP), Manufacturing Processes, Manufacturing Scale-Up, Mentorship, Multivariate Data Analysis, New Product Introduction Process, Planning, Process Characterization, Process Control, Process Design, Process Optimization {+ 4 more}

Preferred Skills:

Biological Manufacturing

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

$173,200.00 - $272,600.00

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:

Domestic

VISA Sponsorship:

Yes

Travel Requirements:

10%

Flexible Work Arrangements:

Not Applicable

Shift:

Not Indicated

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

06/3/2026

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