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Principal Scientist Assay Development Jobs in Michigan

... Principal Scientist position at the Rahway, New Jersey site. This role is a laboratory-based ... Responsibilities include development of new assay platforms, benchmarking current approaches ...

... Principal Scientist position at the Rahway, New Jersey site. This role is a laboratory-based ... Responsibilities include development of new assay platforms, benchmarking current approaches ...

Development and execution of clinical pharmacology strategies to support later stages of ... MD or MD/PhD Primary responsibilities for the Principal Scientist include the following: * Working ...

$180K - $260K/yr

Principal Scientist, Data Science and AI Location: Princeton, NJ We are seeking an accomplished ... Direct the development of scalable pipelines for the ingestion and harmonization of massive ...

Scientist - Companion Animal Vaccines

Portage, MI · On-site

$33 - $41.50/hr

Experience in cell line development, assay development, in vivo models, and vaccine development is ... develop scientific conclusions from the experiments undertaken/completed, and report data to ...

Lead the development and continuous improvement of portfolio governance frameworks that guide ... Must have a PhD in Engineering, Computer Science, Data Science, Physical Sciences, Business ...

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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 Michigan?

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

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

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

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

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

Infographic showing various Principal Scientist Assay Development job openings in Michigan as of August 2026, with employment types broken down into 1% As Needed, 81% Full Time, 14% Part Time, 3% Contract, and 1% Nights. Highlights an 90% Physical, 4% Hybrid, and 6% Remote job distribution.

Associate Principal Scientist, Biologics Analytical R&D

Merck

On-site

Full-time

Medical, Dental, Vision, Retirement, PTO

This job post has expired today. Applications are no longer accepted.


Merck rating

8.0

Company rating: 8.0 out of 10

Based on 51 frontline employees who took The Breakroom Quiz

43rd of 86 rated pharmaceutical


Job description

Job Description

The Biologics Analytical Research & Development department (BAR&D) is seeking an Associate Principal Scientist position at the Rahway, New Jersey site. This role is a laboratory-based scientific role tasked with solving complex analytical challenges, to enable development of Biologics drug products.  The successful candidate must function well in a collaborative, fast-paced, multidisciplinary team environment.  The qualified candidate will be responsible for development, qualification, implementation, troubleshooting and transfer of analytical methods for monoclonal proteins or other complex therapeutic proteins. Responsibilities include development of new assay platforms, benchmarking current approaches/techniques to industry standards, and providing technical leadership of design of experiments and data interpretation.  Applicants must be highly organized, possess excellent oral/written communications skills, display scientific leadership, and a desire to conduct research and publish. Experience leading small groups of technical personnel and analytical projects will aid in distinguishing candidates. Evidence of strong cross-functional collaboration in an academic or industrial setting is also preferred. 

Qualifications
 

Education :

  • Chemistry, Biochemistry, Engineering, Pharmaceutical Sciences, or related field, B.S. with 10+ yrs, MS with 7+ yrs, or Ph.D. with 3+ yrs of relevant experience.

Required Experience and Skills:

  • Hands-on experience in separation sciences with chromatography, (e.g. SEC, RP, IEX, HILIC) and/or experience with capillary electrophoresis (CE) analysis (e.g. CE-SDS, iCIEF) for biologics.

  • Experience with residual impurity assay development using molecular biology and immunoassay techniques (ELISA, qPCR, etc.).

  • Ability to co-design, draft, execute/direct work related to method bridging, comparability, the setting of specifications, etc., from protocol to final report.  

  • Ability to design, execute and/or direct the development of release/stability and characterization methods for clinical trial material and in support of product/process development per ICH Q2 (R2) guidance through method qualification. 

  • Excellent oral and written communication skills; ability to work both independently and cross-functionally.

  • Authoring and reviewing of SOPs, technical reports, publications and appropriate sections of regulatory filings (e.g., IND, BLA).

  • Experience with matrix management and peer to peer coaching.

Preferred Experience and Skills:

  • Design of Experiment principles including statistical data analysis using JMP, MiniTab, FusionAE, etc.

  • Broad knowledge on the panel of biologics assays, charge & size variants, glycans, purity/impurity.

  • Understanding of protein degradation mechanisms and the link between analytical/orthogonal methodologies for analysis.

  • Experience with qualification, validation, and transfer of assays to a GLP or regulated laboratory environment as listed in ICH Q2 and USP<1033>.

  • Experience in representing analytical functional area on project teams. 

  • Experience in analysis of various Biologic modalities (e.g., mAb, antibody-drug conjugate, fusion protein)

  • Experience in data analytics

ARD

EligibleforERP

Required Skills:

Analytical Research and Development (R&D), Biochemistry, Biological Assay Development, Cell-Based Assays, Chromatographic Techniques, Enzyme Linked Immunosorbent Assay (ELISA), High-Performance Liquid Chromatography (HPLC), High Resolution Mass Spectrometry (HRMS), Immunoassays, Ion Exchange, Liquid Chromatography (LC), Liquid Chromatography-Mass Spectrometry (LC-MS), Mass Spectrometry Analysis, Pharmaceutical Sciences, Real Time Polymerase Chain Reaction (qPCR), Separation Sciences, Teamwork

Preferred Skills:

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

$142,400.00 - $224,100.00

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 .

You can apply for this role through (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:

No

Travel Requirements:

No Travel Required

Flexible Work Arrangements:

Not Applicable

Shift:

1st - Day

Valid Driving License:

No

Hazardous Material(s):

n/a

Job Posting End Date:

09/17/2026

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


Requisition ID: R


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