1

Principal Scientist Assay Development Jobs in California

You will work on-site full-time and bring deep expertise in biophysical assay development and high ... Principal Scientist I/Principal Scientist II Position Location: onsite, La Jolla, CA #LI-onsite We ...

Principal Bioinformatician

San Diego, CA · On-site

$150 - $200/hr

We are seeking an innovative and highly experienced Principal Scientist in Bioinformatics to lead the design, development, and optimization of advanced PCR-based multiplex assays using cutting‑edge ...

Principal Bioinformatician

San Diego, CA · On-site

$129K - $216K/yr

We are seeking an innovative and highly experienced Principal Scientist in Bioinformatics to lead the design, development, and optimization of advanced PCR-based multiplex assays using cutting-edge ...

next page

Showing results 1-20

Principal Scientist Assay Development information

What does a principal scientist assay development do?

A Principal Scientist in Assay Development leads the design, optimization, and validation of assays used for research, diagnostics, or drug development. They oversee laboratory teams, develop protocols, and ensure that assays meet regulatory and quality standards. Their role also involves troubleshooting complex scientific problems, collaborating with cross-functional teams, and staying current with technological advances in assay technologies. Principal Scientists play a key role in translating scientific concepts into reliable, reproducible assays that support broader organizational goals.

What are some common challenges faced by principal scientists assay development, and how can they be addressed?

Principal Scientists in Assay Development often encounter challenges such as optimizing assay sensitivity and specificity, troubleshooting inconsistent results, and scaling up assays for high-throughput screening. Addressing these issues requires strong analytical thinking, effective cross-functional collaboration with research, engineering, and quality assurance teams, and staying updated with the latest technological advances. Regularly reviewing validation protocols and actively participating in peer discussions can also help in overcoming technical hurdles and ensuring robust assay performance.

What are the key skills and qualifications needed to thrive as a principal scientist assay development, and why are they important?

To thrive as a Principal Scientist Assay Development, you need advanced expertise in biochemistry or molecular biology, a PhD or equivalent experience, and a strong background in assay design and validation. Familiarity with laboratory automation, data analysis software, and regulatory compliance systems such as GLP/GMP is typically required. Leadership, project management, and effective communication are crucial soft skills for guiding teams and collaborating across departments. These skills ensure robust assay performance, regulatory adherence, and efficient innovation in complex scientific environments.

What is the difference between Principal Scientist Assay Development vs Senior Scientist Assay Development?

AspectPrincipal Scientist Assay DevelopmentSenior Scientist Assay Development
CredentialsAdvanced degree (PhD or equivalent), extensive experienceMaster's or PhD, significant industry experience
Work EnvironmentLeads assay development projects, strategic planningExecutes assay development tasks, supports project teams
Employer & Industry UsagePharmaceutical, biotech, CROs, biotech companiesPharmaceutical, biotech, research labs

The main difference between Principal Scientist Assay Development and Senior Scientist Assay Development lies in their level of responsibility and leadership. Principal Scientists typically lead projects, set strategies, and have more extensive experience, while Senior Scientists focus on executing assays and supporting project goals. Both roles require strong technical expertise, but the Principal Scientist position involves higher-level decision-making and oversight.

What are popular job titles related to Principal Scientist Assay Development jobs in California?

For Principal Scientist Assay Development jobs in California, the most frequently searched job titles are:

What job categories do people searching Principal Scientist Assay Development jobs in California look for?

The top searched job categories for Principal Scientist Assay Development jobs in California are:

What cities in California are hiring for Principal Scientist Assay Development jobs?

Cities in California with the most Principal Scientist Assay Development job openings:

Infographic showing various Principal Scientist Assay Development job openings in California as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 16% Part Time, and 2% Contract. Highlights an 91% Physical, 3% Hybrid, and 6% Remote job distribution.

Principal Scientist, Biophysicist

Novartis Group Companies

San Diego, CA • On-site

$119K - $222K/yr

Other

Medical, Life, Retirement, PTO

Re-posted 24 days ago


Job description

Job Description Summary

We are seeking a highly motivated and experienced Principal Scientist / Biophysicist to join our dynamic team in La Jolla, CA. You will work on-site full-time and bring deep expertise in biophysical assay development and high-throughput screening. If you have a passion for advancing scientific discovery and thrive in a fast-paced, collaborative, and cross-disciplinary environment, we encourage you to apply.


Job Description

Internal Job Title: Principal Scientist I/Principal Scientist II

Position Location: onsite, La Jolla, CA #LI-onsite

We are seeking a highly motivated and experienced Principal Scientist / Biophysicist to join our dynamic team in La Jolla, CA. You will work on-site full-time and bring deep expertise in biophysical assay development and high-throughput screening. If you have a passion for advancing scientific discovery and thrive in a fast-paced, collaborative, and cross-disciplinary environment, we encourage you to apply.

Key Responsibilities:

  • Design, develop, and optimize biophysical assays (e.g., SPR, BLI) for characterization of small molecules.

  • Execute routine assays for defining structure-activity relationships.

  • Implement and manage automation solutions to enhance assay throughput and data quality.

  • Collaborate with cross-functional teams to integrate new technologies and workflows into ongoing research projects.

  • Analyze, interpret, and present scientific data to internal and external stakeholders.

  • Maintain detailed laboratory records, contribute to the preparation of research reports and publications, and represent the team through internal presentations.

Essential Requirements:

  • Ph.D. (post-doc preferred), in a relevant scientific discipline (e.g., Biophysics, Biochemistry, Bioengineering, or a related field), with 2+ years of industrial experience in drug discovery

  • Deep expertise in designing, validating, executing and troubleshooting biophysical assays.

  • Ability to manage multiple projects independently and adapt to evolving research priorities.

  • Ability to innovate, keep up with the expanding field, recommend and bring in new technologies.

  • Strong analytical, troubleshooting, and problem-solving skills.

  • Excellent communication and teamwork abilities.

Desirable Requirements:

  • Experience in integrating novel or emerging technologies into [high-throughput] screening workflows.

  • Familiarity with data analysis software and electronic laboratory management systems.

  • Hands-on experience with laboratory automation platforms and liquid handling systems.

The salary for this position is expected to range between $108,500 and $201,500 per year for Principal Scientist I, and between $119,700 and $222,300 per year for Principal Scientist II. The final salary offered is determined based on factors like, but not limited to, relevant skills andexperience, and upon joining Novartis will be reviewed periodically. Novartis may change the publishedsalary range based on company and market factors.


Your compensation will include a performance-based cash incentive and, depending on the level of therole, eligibility to be considered for annual equity awards.


US-based eligible employees will receive a comprehensive benefits package that includes health, life anddisability benefits, a 401(k) with company contribution and match, and a variety of other benefits. Inaddition, employees are eligible for a generous time off package including vacation, personal days,holidays and other leaves.


To learn more about the culture, rewards and benefits we offer our people click here.


EEO Statement:

The Novartis Group of Companies are Equal Opportunity Employers. We do not discriminate in recruitment, hiring, training, promotion or other employment practices for reasons of race, color, religion, sex, national origin, age, sexual orientation, gender identity or expression, marital or veteran status, disability, or any other legally protected status.


Accessibility and reasonable accommodations

The Novartis Group of Companies are committed to working with and providing reasonable accommodation to individuals with disabilities. If, because of a medical condition or disability, you need a reasonable accommodation for any part of the application process, or to perform the essential functions of a position, please send an e-mail to us.reasonableaccommodations@novartis.com or call +1(877)395-2339 and let us know the nature of your request and your contact information. Please include the job requisition number in your message.


Salary Range

$108,500.00 - $201,500.00


Skills Desired

Analytical Skill (Inactive), Analytical Skill (Inactive), Analytical Thinking, Chemical Biology, Chemistry, Clinical Trials, Collaboration, Communication Skills (Inactive), Curious Mindset, Data (Inactive), Data Analysis, Design of Experiments (DOE), Detail-Oriented, Drug Development, Drug Discovery Process, Ethics, Gene Therapy, Immunology, Inventory Management, Laboratory (Inactive), Leading Project Teams, Lifesciences (Inactive), Machine Learning (ML), Management (Inactive), Medical Research {+ 10 more}