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Sr Associate Scientist Jobs (NOW HIRING)

Pfizer

Senior Associate Scientist

Pearl River, NY

$68K - $114K/yr

As a Senior Associate Scientist Biology, you will be at the forefront of our mission, contributing to the development of innovative therapies and vaccines that have the potential to transform patient ...

Pfizer, Inc.

Senior Associate Scientist

Pearl River, NY · On-site

$68K - $114K/yr

As a Senior Associate Scientist Biology, you will be at the forefront of our mission, contributing to the development of innovative therapies and vaccines that have the potential to transform patient ...

Gilead

Sr Associate Scientist, Biology

Foster City, CA

$126K - $164K/yr

We are seeking a skilled Sr. Associate Scientist to support pharmacokinetic (PK) bioanalysis of large molecules across discovery and early development programs. This individual will play a key role ...

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How much do sr associate scientist jobs pay per hour?

As of Jun 27, 2026, the average hourly pay for sr associate scientist in the United States is $35.92, according to ZipRecruiter salary data. Most workers in this role earn between $27.88 and $40.87 per hour, depending on experience, location, and employer.

What types of cross-functional collaboration can a Sr Associate Scientist expect in their daily work?

As a Sr Associate Scientist, you will regularly collaborate with multidisciplinary teams, including research associates, principal scientists, project managers, and sometimes regulatory affairs or quality assurance staff. Your role often involves sharing experimental results, coordinating timelines, and integrating feedback from colleagues in related departments such as analytical chemistry or process development. Effective communication and teamwork are essential, as project success relies on the seamless integration of diverse expertise. This collaborative environment not only supports your immediate project goals but also provides valuable opportunities for professional growth and learning from peers.

What are Sr Associate Scientists?

Sr Associate Scientists are experienced professionals who conduct scientific research and experiments, often within industries like pharmaceuticals, biotechnology, or environmental sciences. They design and execute studies, analyze data, and help develop new products, processes, or technologies. Typically, they work under the guidance of more senior scientists but have substantial autonomy and may mentor junior staff. Their work often contributes to scientific publications, regulatory submissions, or product development milestones.

What is the difference between Sr Associate Scientist vs Associate Scientist?

AspectSr Associate ScientistAssociate Scientist
Required CredentialsBachelor's or Master's in relevant field; some roles may prefer PhDBachelor's or Master's in relevant field
Work EnvironmentLaboratory, research, and development settingsLaboratory, research, and development settings
Employer & Industry UsagePharmaceutical, biotech, and research organizationsPharmaceutical, biotech, and research organizations
Common Search & ComparisonYesYes

The main difference between a Sr Associate Scientist and an Associate Scientist lies in experience and responsibility. A Sr Associate Scientist typically has more experience, may lead projects, and contribute to experimental design, whereas an Associate Scientist supports research activities under supervision. Both roles are common in biotech and pharmaceutical industries, requiring similar educational backgrounds and working in laboratory environments.

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

To thrive as a Sr Associate Scientist, you need a solid background in scientific research, data analysis, and experimental design, usually supported by a bachelor's or master's degree in a relevant field. Familiarity with laboratory information management systems (LIMS), advanced analytical instruments, and relevant regulatory or safety certifications is often required. Strong problem-solving abilities, attention to detail, and effective communication skills help you excel in collaborative research environments. These competencies ensure scientific rigor, regulatory compliance, and the successful advancement of research projects.
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Sr Associate Scientist jobs near you
Infographic showing various Sr Associate Scientist job openings in the United States as of June 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $74,723 per year, or $35.9 per hour.
Senior Associate Scientist - Immunization

Senior Associate Scientist - Immunization

Regeneron Pharmaceuticals, Inc.

Tarrytown, NY • On-site

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago

Regeneron rating

8.7

Company rating: 8.7 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

13th of 73 rated pharmaceutical

Job description

At Regeneron, we use science and innovation to develop life-changing medicines for people with serious diseases. We are seeking a Senior Associate Scientist to join our group in Technology and Discovery Centers investigating B Cell biology. We study methods to elicit robust B cell responses as well as develop approaches to characterize and isolate B cells of interest.
This position offers the opportunity to contribute to a fast-growing, science-driven organization making a meaningful difference to patients worldwide.
When & where:
Location- Tarrytown, NY- 5 days on-site
Discover your role:
  • Optimizing strategies to elicit robust B cell responses in vivo
  • Characterizing B cell development in genetically engineered mice
  • Developing approaches to characterize plasma cell responses
  • Planning and executing in vivo mouse immunization studies
  • ELISA-based assays to measure antibody responses
  • Multi-color flow cytometry staining and analysis
  • Primary B cell culture
  • Presenting data in small and large group settings

This Role May Be for You If You Have Experience:
  • You can drive a project under the supervision of a Senior Principal Scientist by designing and executing experiments, interpreting data and making figures
  • You are highly organized and have experience managing a project, including maintaining an up-to-date lab notebook and detailed records
  • You have exceptional critical thinking skills with appreciation for rigorous optimization and controls
  • You can work collaboratively and are adaptable based on the evolving needs of the group

The role requires:
  • Senior Associate Scientist: you must possess a bachelor's degree with at least 4 years of experience or a master's degree with at least 2 years of experience working in a cellular immunology research laboratory, in either academia or industry
  • Associate Scientist: you must possess a bachelor's degree with at least 2 years of experience working in a cellular immunology research laboratory, in either academia or industry
  • Experience with vaccination, tissue isolation, blood sampling, multi-parameter flow cytometry, and ELISA is required
  • Some knowledge of B cell and plasma cell biology, as well as experience in primary culture of B cells and plasma cells, is a plus
  • Outstanding candidates with relevant technical experience but in an adjacent field of immunology will be considered

Does this sound like you? Apply now to take your first step towards living the Regeneron Way! We are committed to building a workplace with an inclusive culture. Regeneron is an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion or belief (or lack thereof), sex, sexual orientation, gender identity or expression, gender reassignment, marital or civil partnership status, civil status, pregnancy or parental status, age, disability, nationality, citizenship status, ethnic or national origin, membership of the Traveler community, familial status, genetic information, military or veteran status, or any other characteristic protected under applicable law. Where required, we will provide reasonable accommodation to applicants with known disabilities or chronic illnesses during the recruitment process, unless such accommodation would impose undue hardship.
Where necessary, we disclose salary ranges for roles in all countries in which we operate. The final offer will be determined within the relevant range based on the country of employment, specific role level, and your skills and experience. In some countries, collective bargaining agreements (CBAs) may apply and influence certain elements of pay or benefits. Regeneron offers a competitive and comprehensive total rewards package which may include, depending on country and role: annual bonuses or other incentive plans, equity awards, pension or retirement benefits, 401(k) company match, health and wellness programs, fitness centers, insurance benefits (e.g. medical, dental, vision, life and disability), paid time off, and family support benefits. For additional information about Regeneron benefits in the U.S., please visit https://careers.regeneron.com/en/working-at-regeneron/total-rewards/. For other locations, additional information will be provided during the recruitment process. If you have any questions, please speak with your recruiter.
Please be advised that at Regeneron, we believe we do our best work when we are together. For that reason, many roles are required to be performed on-site. Please speak with your recruiter and hiring manager for more information about on-site expectations for your role and location.
As part of the recruitment process, certain background checks may be conducted in accordance with the laws of the country where the position is based. The purpose of such checks is to verify certain information prior to the commencement of employment such as identity, right to work and educational qualifications.
For jobs in Canada: this posting is for an existing position.
Salary Range (annually)
$70,300.00 - $110,100.00

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