Senior Level Principal Research Engineer Jobs

Senior level principal research engineer jobs place experienced engineers at the center of research strategy, owning technical direction and leading the cross-functional teams that move complex projects from hypothesis to production. Roles are concentrated across Science & Research, Technology & Software, and Biotechnology & Pharmaceuticals, with 30% remote or hybrid availability, and employers like AbbVie, Riot Games, and Inflection AI hiring at this level now.

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Overview

Open roles24
Top stateCalifornia
Top employerAbbVie
Top cityLos Angeles, CA
Work type70% On-site
Top industryScience

Showing 5 of 24+ Senior Level Principal Research Engineer jobs

Principal Research Scientist I, Biologics CMC Developability Modeling
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Added 3d ago
Principal Research Scientist I, Biologics CMC Developability Modeling
AbbVie
North Chicago, Illinois
IT Support
Project Management
Technical Program Management
$125k - $237k/yr
Hybrid
Master's degree in chemistry
10,000+

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Principal Research Scientist I
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Added 1w ago
Principal Research Scientist I
AbbVie
North Chicago, Illinois
Data Science & Analytics
Software Engineering
Healthcare Administration
Laboratory Research
Data Science
$125k - $237k/yr
On-Site
Doctorate
10,000+

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Principal Research Scientist II
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Added 1w ago
Principal Research Scientist II
AbbVie
North Chicago, Illinois
Laboratory Research
Biotech & Life Sciences
Clinical Trials & Medical Research
Healthcare Administration
$142k - $269k/yr
On-Site
Doctorate
10,000+

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Principal Research Scientist, Molecular Pharmacology
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Added 3w ago
Principal Research Scientist, Molecular Pharmacology
Elanco
Indianapolis, Indiana
Clinical Trials
Laboratory Research
Research & Academia
Master of Science
5,001-10,000

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Principal Research Scientist I - Analytical R&D
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Added 2mo ago
Principal Research Scientist I - Analytical R&D
AbbVie
North Chicago, Illinois
Clinical Trials
Laboratory Research
Research & Academia
$125k - $237k/yr
Bachelor of Science
10,000+

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Senior Level Principal Research Engineer Job Market

Who's Hiring

AbbVie5 open roles
Riot Games2 open roles
Inflection AI2 open roles

Top Industries Hiring

  • Science & Research
  • Technology & Software
  • Biotechnology & Pharmaceuticals
  • Medical Devices
  • Gaming & Esports

Senior Level Principal Research Engineer Jobs: Frequently Asked Questions

How do I get a senior level principal research engineer job?

Candidates who land senior level principal research engineer roles typically demonstrate a history of independently scoping and delivering high-impact research programs, not just contributing to them. Employers at this level look for evidence of technical leadership: defining research roadmaps, publishing or patenting original work, and mentoring junior engineers. A portfolio of shipped systems or cited research that influenced product or policy decisions gives candidates a clear edge.

Which companies hire senior level principal research engineers?

Companies hiring senior level principal research engineers right now include AbbVie, Riot Games, and Inflection AI, based on current listings on Migrate Mate as of November 2026. Hiring at this level tends to concentrate in organizations with dedicated research divisions, including large technology firms, defense and aerospace contractors, and industrial R&D laboratories that fund multi-year research programs.

Are there remote senior level principal research engineer jobs?

Yes, though availability varies by specialty and employer. About 30% of senior level principal research engineer openings are remote or hybrid as of November 2026, reflecting the demand for experienced researchers who can lead distributed teams and collaborate across sites. Roles tied to lab work, hardware, or classified programs are more likely to require on-site presence.

What makes a principal research engineer role senior level?

Senior level principal research engineers own the full research lifecycle rather than executing within someone else's scope. They define research questions, allocate resources, set quality standards, and are accountable for outcomes across a program or product area. At this stage, mentoring other engineers and influencing organizational research strategy are expected, not optional. The work carries organization-wide technical consequence rather than team-level impact.

Which industries hire the most senior level principal research engineers?

Senior Level principal research engineer roles concentrate in Science & Research, Technology & Software, and Biotechnology & Pharmaceuticals, based on current listings on Migrate Mate as of November 2026. These sectors invest heavily in sustained R&D programs that require senior engineers who can operate with autonomy, manage research risk, and translate findings into scalable systems or defensible intellectual property.