Principal Scientist Jobs

Principal Scientist jobs are open across pharmaceuticals, biotechnology, materials science, and government research, from senior scientist to staff and principal levels, with specializations in drug discovery, computational modeling, and analytical chemistry. Find a role that fits from the openings below and apply directly.

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Overview

Open roles373+
Top stateCalifornia
Top employerAbbVie
Top citySan Francisco, CA
Work type81% On-site
Top industryBiotechnology

Showing 5 of 373+ Principal Scientist jobs

Merck
Associate Principal Scientist
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Merck
New 1h ago
Associate Principal Scientist
Merck
Rahway, New Jersey
Laboratory Research
Clinical Trials & Medical Research
Data Science & Analytics
Clinical Trials
Data Science
$142k - $224k/yr
Hybrid
Doctorate
10,000+

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Flagship Pioneering, Inc.
Principal Scientist / Senior Principal Scientist, Bioanalytical Lead
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Flagship Pioneering, Inc.
New 2h ago
Principal Scientist / Senior Principal Scientist, Bioanalytical Lead
Flagship Pioneering, Inc.
Cambridge, Massachusetts
Laboratory Research
Biotech & Life Sciences
Clinical Trials & Medical Research
Healthcare Administration
Clinical Trials
$148k - $237k/yr
On-Site
Doctorate

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Novartis
Principal Scientist II - Pharmacology
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Novartis
New 5h ago
Principal Scientist II - Pharmacology
Novartis
Cambridge, Massachusetts
Laboratory Research
Biotech & Life Sciences
Clinical Trials & Medical Research
Clinical Trials
$126k - $234k/yr
On-Site
Doctorate
10,000+

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Sanofi
Senior Principal Scientist
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Sanofi
New 5h ago
Senior Principal Scientist
Sanofi
Cambridge, Massachusetts
Laboratory Research
Biotech & Life Sciences
Clinical Trials & Medical Research
Environmental & Physical Sciences
Clinical Trials
$149k - $215k/yr
On-Site
Doctorate
10,000+

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Merck
Principal Scientist
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Merck
New 13h ago
Principal Scientist
Merck
South San Francisco, California
Laboratory Research
Biotech & Life Sciences
$176k - $277k/yr
On-Site
Doctorate
10,000+

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Principal Scientist Job Market

A snapshot from current openings nationwide, updated as new roles post.

Who's Hiring

  • AbbVie
    AbbVie21
  • Merck
    Merck21
  • Capital One
    Capital One20
  • Genentech
    Genentech20
  • Amazon
    Amazon11

Top Industries Hiring

  • Biotechnology & Pharmaceuticals110
  • Technology & Software66
  • Science & Research62
  • Consulting & Professional Services24
  • Healthcare & Medical Services21

What Employers Look For

The qualifications that appear most often in principal scientist jobs.

  • PhD in a relevant scientific discipline such as biology, chemistry, biochemistry, or a related field
  • Eight or more years of hands-on research experience in industry or government settings
  • Demonstrated record of first- or senior-author peer-reviewed publications and patent contributions
  • Proficiency with domain-specific tools such as molecular modeling software, analytical instrumentation, or statistical programming languages
  • Experience leading cross-functional project teams and mentoring junior scientists or postdoctoral researchers
  • Familiarity with regulatory submission processes such as IND, NDA, or equivalent documentation standards

Tips for Your Principal Scientist Job Search

Tailor your resume to publication impact

Principal scientist resumes live or die on demonstrated scientific leadership. Quantify your contributions by citing patents filed, peer-reviewed publications as first or senior author, and programs you advanced from discovery to development stage rather than listing duties.

Highlight cross-functional leadership experience

Hiring managers for principal scientist roles expect you to have led collaborations with regulatory, clinical, or engineering teams. Name the teams you partnered with, the decisions you influenced, and the outcomes those partnerships produced to distinguish your candidacy.

Apply early to roles that fit

Migrate Mate lists principal scientist openings from across the United States in one place, so you can find roles that match your specialization and apply directly to each listing without hunting across multiple sources.

Target job titles one level above your current role

Companies post the same scope of work under 'Senior Scientist,' 'Principal Scientist,' and 'Staff Scientist' interchangeably. Search all three variants and read the responsibilities carefully. Applying only to exact title matches means missing a large portion of relevant openings.

Prepare a scientific narrative for your interviews

Principal scientist interviews typically include a research seminar or whiteboard session. Practice presenting one flagship project from hypothesis through data to business decision in under 20 minutes, anticipating questions about failed experiments and how you redirected the work.

Negotiate scope and resources, not just compensation

At the principal level, negotiating headcount, lab budget, and independent project time matters as much as base pay. Before your offer conversation, identify the resources you need to deliver on the role's stated goals and be ready to make that case directly.

Principal Scientist Jobs: Frequently Asked Questions

Which companies are hiring the most principal scientists?

The companies hiring the most principal scientists right now include AbbVie, Merck, and Capital One, with the largest share of openings in California, Massachusetts, and New Jersey, based on current listings on Migrate Mate as of June 2026. Pharmaceutical, biotech, and contract research organizations consistently account for the majority of active openings.

How many principal scientist jobs are remote?

About 19% of principal scientist openings are fully remote or hybrid as of June 2026, though the share varies significantly by specialization. Computational biology, bioinformatics, and data science-adjacent principal scientist roles are the most likely to offer remote arrangements, while wet lab and instrumentation-heavy positions almost always require on-site presence.

How do you become a principal scientist?

Becoming a principal scientist typically requires a PhD in a relevant field followed by several years of progressively independent research experience in industry or government. You build toward the role by leading projects rather than executing tasks, publishing or patenting original work, and demonstrating that you can set scientific direction for a team. Transitioning from senior scientist to principal usually happens when you've shown you can define problems, not just solve them.

Can you get a principal scientist job without extensive experience?

Candidates with strong doctoral and postdoctoral credentials can sometimes step directly into junior principal scientist roles at smaller biotechs or startups, where title bands are compressed. The key is demonstrating scientific independence through publications, patents, or conference presentations rather than years on the job. Targeting companies that are early in building out a research function gives you the best chance of being hired at this level before accumulating a decade of industry experience.

What does the principal scientist interview process look like?

The principal scientist interview process typically includes an initial recruiter screen, one or two technical interviews with senior scientists or research directors, a research seminar where you present your past work to the broader team, and a final round with leadership or cross-functional stakeholders. Be ready to discuss not just your scientific results but the decisions you made along the way, how you handled setbacks, and how your work connected to business or program goals.

Where can I find and apply to principal scientist jobs?

You can find and apply to principal scientist jobs on Migrate Mate, which lists current openings from across the United States. The listings cover a range of industries and specializations, from pharmaceuticals and biotechnology to government research and materials science. Find roles that match your background and apply directly to each listing from the page.

See All 373+ Principal Scientist Jobs

Jump back to the full list of openings and apply to any principal scientist role that fits.

Find Principal Scientist Jobs