Job DescriptionThe 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.
QualificationsEducation:
- 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.
- 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.
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 https://jobs.merck.com/us/en/compensation-and-benefits.
You can apply for this role through https://jobs.merck.com/us/en (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:07/14/2026
*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. 
